HOWELL CORP /DE/
10-Q, 1995-05-11
PETROLEUM & PETROLEUM PRODUCTS (NO BULK STATIONS)
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                UNITED STATES SECURITIES AND EXCHANGE COMMISSION
                            Washington, D. C.  20549




                                    FORM 10-Q


              [X]  QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d)
                     OF THE SECURITIES EXCHANGE ACT OF 1934

                  For the quarterly period ended March 31, 1995

                                       OR
                                        
             [ ]  TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)
                     OF THE SECURITIES EXCHANGE ACT OF 1934
                                        

                          Commission File Number 1-8704

                               HOWELL CORPORATION
             (Exact name of registrant as specified in its charter)


              Delaware                                74-1223027
   (State or other jurisdiction of         (I.R.S. Employer Identification No.)
    incorporation or organization)


     1111 Fannin, Suite 1500, Houston, Texas             77002
     (Address of principal executive offices)          (Zip Code)


                                 (713) 658-4000
              (Registrant's telephone number, including area code)


Indicate by check mark whether the registrant (1) has filed all reports required
to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during
the  preceding  12  months (or for such shorter period that the  registrant  was
required  to  file  such  reports), and (2) has  been  subject  to  such  filing
requirements for the past 90 days.

                                Yes    X      No

Indicate  the  number of shares outstanding on each of the issuer's  classes  of
common stock, as of the latest practicable date.

                Class                         Outstanding at April 25, 1995
     Common Stock, $1.00 par value                       4,836,876

                                        
                          This report contains 13 pages
<PAGE>
                       HOWELL CORPORATION AND SUBSIDIARIES

                                    Form 10-Q
                                        
                                      INDEX



                                                                      Page No.
Part  I.  Financial Information

Item 1.   Consolidated Statements of Earnings --
       Three months ended March 31, 1995 and 1994                          3

     Consolidated Balance Sheets --
       March 31, 1995 and December 31, 1994                                4

     Consolidated Statements of Cash Flows --
       Three months ended March 31, 1995 and 1994                          5

     Notes to Consolidated Financial Statements                            6

Item 2.   Management's Discussion and Analysis of Financial Condition
       and Results of Operations                                           9


Part II.  Other Information

Item 6.   Exhibits and Reports on Form 8-K                                 12
<PAGE>
                         PART I.  FINANCIAL INFORMATION
                                    (ITEM 1)



CONSOLIDATED STATEMENTS OF EARNINGS (UNAUDITED)
Howell Corporation and Subsidiaries

                                                    Quarter Ended March 31,
                                                          1995     1994

                                                     (In thousands, except
                                                       per share amounts)

Revenues                                               $151,516   $87,674
                                                       --------   -------
Cost and expenses:
     Products including operating expenses              146,823    83,979
     Selling, general and administrative expenses         2,856     2,659
                                                       --------   -------
                                                        149,679    86,638
                                                       --------   -------
Other income (expense):
     Interest expense                                      (627)     (509)
     Interest income                                         43         6
     Other-net                                               (4)      (28)
                                                       --------   -------
                                                           (588)     (531)
                                                       --------   -------

Earnings before income taxes                              1,249       505
Provision for income taxes                                  417       153
                                                       --------   -------
Net earnings                                           $    832   $   352
                                                       ========   =======

Weighted average common shares outstanding                4,837     4,837
                                                       ========   =======

Net earnings (loss) per common share                   $    .05   $  (.05)
                                                       ========   =======

Cash dividends per common share                        $    .04   $   .04
                                                       ========   =======

See accompanying Notes to Consolidated Financial Statements.

<PAGE>

CONSOLIDATED BALANCE SHEETS (UNAUDITED)
Howell Corporation and Subsidiaries

                                                       March 31, December 31,
                                                           1995     1994
                                                         (In thousands)
                    Assets
Current assets:
     Cash and cash equivalents                         $  2,631  $  3,340
     Trade accounts receivable, less allowance for
        doubtful accounts of $223,000 in 1995 and
        $214,000 in 1994                                 58,025    48,432
     Inventories                                          3,064     2,655
     Other current assets                                 1,605     1,520
                                                       --------  --------
          Total current assets                           65,325    55,947
                                                       --------  --------

Property, plant and equipment:
     Oil and gas properties, utilizing the full-cost
        method of accounting                            273,283   264,430
     Fee mineral properties, unproven                    18,188    18,200
     Other                                               99,311    34,837
     Less accumulated depreciation, depletion and
        amortization                                   (195,943) (192,694)
                                                       --------  --------
          Net property and equipment                    194,839   124,773
                                                       --------  --------
Other assets, net of accumulated amortization of
   $56,000 in 1995                                        2,255     1,720
                                                       --------  --------
          Total assets                                 $262,419  $182,440
                                                       ========  ========

          Liabilities and Shareholders' Equity

Current liabilities:
     Current portion of long-term debt                   $7,484    $2,670
     Accounts payable                                    52,825    46,178
     Accrued liabilities                                  5,335     5,152
                                                       --------  --------
          Total current liabilities                      65,644    54,000
                                                       --------  --------
Deferred income taxes                                    19,597    19,273
                                                       --------  --------
Other liabilities                                           150       150
                                                       --------  --------
Long-term debt                                          101,074    33,098
                                                       --------  --------
Commitments and contingencies
Shareholders' equity:
     Preferred stock, $1 par value; 690,000 shares
        issued and outstanding in 1995 and 1994,
        liquidation value of $17,250,000                    690       690
     Common stock, $1 par value; 4,836,876 issued and
        outstanding in 1995 and 1994                      4,837     4,837
     Additional paid-in capital                          33,518    33,518
     Retained earnings                                   36,909    36,874
                                                       --------  --------
          Total shareholders' equity                     75,954    75,919
                                                       --------  --------
          Total liabilities and shareholders' equity   $262,419  $182,440
                                                       ========  ========
See accompanying Notes to Consolidated Financial Statements.


<PAGE>
CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED)
Howell Corporation and Subsidiaries

                                                      Quarter Ended March 31,
                                                          1995      1994
                                                           (In thousands)
OPERATING ACTIVITIES:
     Net earnings                                       $   832   $   352
     Adjustments for noncash items:
          Depreciation, depletion and amortization        3,342     3,052
          Deferred income taxes                             324        (6)
          Loss (gain) on sales of assets                      1       (22)
     Increase in trade accounts receivable               (9,593)   (5,381)
     (Increase) decrease in inventories                    (409)      503
     (Increase) decrease in other current assets            (85)      432
     Increase in accounts payable                         6,647     2,727
     Increase in accrued and other liabilities              183     1,087
                                                        -------   -------
          Cash provided by operating activities           1,242     2,744
                                                        -------   -------

INVESTING ACTIVITIES:
     Proceeds from the disposition of property                3       253
     Additions to property, plant and equipment         (73,356)   (4,425)
     Other, net                                            (591)     (314)
                                                        -------   -------
          Cash utilized in investing activities         (73,944)   (4,486)
                                                        -------   -------

FINANCING ACTIVITIES:
     Long-term debt:
          Borrowings under revolving credit agreement    15,300       800
          Borrowing under term loan agreement            57,500         -
          Other repayments                                  (10)     (126)
     Cash dividends:
          Common shareholders                              (193)     (193)
          Preferred shareholders                           (604)     (604)
                                                        -------   -------
          Cash provided by (utilized in) financing
             activities                                  71,993      (123)
                                                        -------   -------

NET DECREASE IN CASH BALANCE                            $  (709)  $(1,865)
                                                        =======   =======
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION
Net cash paid for:

Interest                                                $   612   $   225
                                                        =======   =======
Income taxes                                            $    62   $    16
                                                        =======   =======

See accompanying Notes to Consolidated Financial Statements

<PAGE>

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)
Howell Corporation and Subsidiaries
March 31, 1995 and 1994

Note 1 - Basis of Financial Statement Preparation

The  consolidated  financial statements included herein have  been  prepared  by
Howell  Corporation  (the  Company) without audit, pursuant  to  the  rules  and
regulations  of  the Securities and Exchange Commission and in  accordance  with
generally  accepted  accounting principles.  In the opinion of  management,  all
adjustments  (all of which are normal and recurring) have been  made  which  are
necessary for a fair statement of the results of operations for the three months
ended  March 31, 1995 and 1994.  These consolidated financial statements  should
be  read in conjunction with the financial statements and notes thereto included
in the Company's latest Form 10-K.

Note 2 - Inventories

The components of inventories at the balance sheet dates are as follows:

                              March 31, December 31,
                                 1995       1994

                                  (In thousands)

    Refined products            $1,506     $1,333
    Crude oil                    1,033        578
    Other materials and supplies   525        744
                                ------     ------
                                $3,064     $2,655
                                ======     ======

In  order to mitigate the effects of future price fluctuations, the Company uses
a  limited  program  of hedging its crude oil inventories.   Crude  oil  futures
contracts  are  used as the hedging tool.  Changes in the market  value  of  the
futures  transactions are deferred until the gain or loss is recognized  on  the
hedged transactions.

Note 3 - Acquisition of Oil and Gas Properties

In  March  1995, the Company acquired all of the Mississippi operated properties
and  certain  other  assets of Norcen Explorer, Inc.,  for  $5.8  million.   The
properties include working interests in six fields with 21 producing wells.  The
estimated  proved reserves acquired were 961,029 barrels of oil and 1.0  Bcf  of
natural gas.

Note 4 - Acquisition of Pipeline Assets

On  March  31, 1995, the Company acquired from Exxon Pipeline Company  ("Exxon")
two  interstate crude oil pipeline systems and one intrastate crude oil pipeline
system.   The  interstate pipeline systems are located in Florida/Alabama  ("Jay
System")  and  Mississippi/Louisiana ("MS System").  The  intrastate  system  is
located  in  Texas  ("Texas  System").   Collectively,  the  purchase  of  these
pipelines and related assets comprise the "Exxon Transaction".

The  Texas  System  consists  of  a  555-mile  pipeline  system  extending  from
Groesbeck,  Texas, south to Texas City, Texas, and tanks for crude  oil  storage
with  a  total  capacity of approximately 1.9 million barrels.  The  Jay  System
consists of a 90-mile pipeline system that extends west from Santa Rosa  County,
Florida,  to  Mobile County, Alabama, and includes tanks with approximately  0.2
million  barrels  of  storage capacity.  The MS System consists  of  a  230-mile
pipeline  system  extending  from Jones County,  Mississippi,  to  Baton  Rouge,
Louisiana, and includes storage capacity of approximately 0.2 million barrels.

The  total negotiated purchase price paid to Exxon for the Exxon Transaction was
$63.5 million.  Of this amount, $6.3 million of the purchase price was paid as a
deposit  in February 1995 and the remainder at closing of the Exxon Transaction.
The  Exxon Transaction was financed through borrowings from banks.  See  Note  7
below.

Note 5 - Earnings Per Share

Earnings  (loss)  per  common share has been computed by dividing  net  earnings
(loss),  after reduction for preferred stock dividends, by the weighted  average
number  of common shares outstanding.  Shares issuable in connection with  stock
options  are  not  included in the per share computations since  their  dilutive
effect  is  less  than 3%.  Earnings per share assuming full dilution  does  not
result in a difference from earnings per share assuming no dilution.  The common
shares  issuable  upon conversion of the convertible preferred stock  are  anti-
dilutive, and the common shares issuable in connection with stock options result
in a dilutive effect of less than 3%.

Note 6 - Income Taxes

The  effective tax rate for the first quarter of 1995 and 1994 was 33% and  30%,
respectively.

Note 7 - Debt and Available Credit Facilities

On March 31, 1995, the Company replaced the Credit Facility and the LC Facility,
as  described  in  Note 5 of Notes to Consolidated Financial Statements  in  the
Company's Annual Report on Form 10-K for the year ended December 31, 1994,  with
two  new credit facilities.  The Credit Facility was replaced with a new  credit
facility among Howell Petroleum Corporation and Bank One, Texas, N.A.,  Bank  of
Montreal,  Compass  Bank  -  Houston and Den norske Bank  AS  (the  "HPC  Credit
Facility").  The borrowing base under the HPC Credit Facility was $43.3  million
at  March  31, 1995, and will decline by $0.8 million monthly beginning  May  1,
1995,  until  such time as it is redetermined.  The borrowing base  is  reviewed
semi-annually  by  the banks with mandatory payments if the borrowing  base,  as
determined solely by the banks based on the Company's interest in proved oil and
gas  reserves, is less than the outstanding balance on the loan.  The HPC Credit
Facility provides for a revolving period until June 1, 1997, with interest to be
paid  monthly at the rate selected by the Company of either (1) a Floating  Base
Rate  (as  defined in the HPC Credit Facility) that is generally the  prevailing
prime  rate  or (2) a rate based on LIBOR.  At the end of the revolving  period,
the  revolving  loan  converts  automatically to a  four-year  term  loan,  with
principal  payments  to  be made in sixteen quarterly  installments  along  with
accrued  interest on the unpaid principal balance at a rate equal to  the  prime
rate.   The  HPC  Credit Facility also provides for the issuance of  letters  of
credit  in  an  amount  up to $5.0 million.  The amount  of  letters  of  credit
outstanding reduces the amount of the available commitment.

The  HPC Credit Facility is collateralized by mortgages on substantially all  of
the  Company's  producing oil and gas properties, the  common  stock  of  Howell
Petroleum Corporation (HPC), the common stock of Howell Crude Oil Company  (HCO)
and the guarantee of the Company.  There is no compensating balance requirement,
and  the  HPC Credit Facility carries a commitment fee of 3/8% on the  available
portion   of  the  commitment.   Material  covenants  and  restrictions  include
requirements  to maintain a current ratio of current assets plus  the  available
portion  of the commitment to current liabilities, as defined in the HPC  Credit
Facility, of at least 1:1, to maintain tangible net worth, as defined in the HPC
Credit Facility, of a floating amount that was $65.7 million at March 31,  1995,
and  to  prohibit  certain  defined  types of additional  indebtedness  and  the
granting of certain liens on the Company's assets without the banks' approval.

The  LC Facility was replaced with a new credit facility among Howell Crude  Oil
Company, Bank One, Texas, N.A., Bank of Montreal, Compass Bank - Houston and Den
norske  Bank  AS (the "HCO Credit Facility").  The HCO Credit Facility  provides
for a term loan in an amount of $57.5 million and for the issuance of letters of
credit  in  the  aggregate not to exceed the lesser of  the  commitment  of  $15
million or the Borrowing Base, as defined in the HCO Credit Facility.  At  March
31, 1995, the Borrowing Base was $16.3 million.

Repayment  of the term loan will occur over a period not to exceed seven  years.
Beginning in July 1995, the Company will make payments in quarterly installments
of  $1.4  million.   In  addition, the Company is required  to  make  additional
repayments of the term loan, beginning in the second quarter of 1996,  equal  to
60%  of Excess Cash Flow, as defined in the HCO Credit Facility.  Interest  will
be  paid  monthly at the rate selected by the Company of either (1)  a  Floating
Base  Rate  (as  defined  in  the HCO Credit Facility)  that  is  generally  the
prevailing prime rate or (2) a rate based on LIBOR.

The  HCO  Credit  Facility carries a commitment fee of  1/4%  on  the  available
portion  of  the  commitment for letters of credit.  There  is  no  compensating
balance requirement.  The HCO Credit Facility is collateralized by the inventory
and  accounts receivable of HCO, the pipeline properties acquired in  the  Exxon
Transaction, the common stock of HCO and its subsidiaries, the common  stock  of
HPC, and the guarantee of the Company.

Note 8 - Commitments and Contingent Liabilities

Information  about  the  Company's commitments  and  contingent  liabilities  is
included in Notes 8 and 9 to the consolidated financial statements contained  in
the  Company's  1994  Annual  Report on Form 10-K.  There  were  no  significant
changes to such information during the first quarter of 1995.

<PAGE>
                         PART I.  FINANCIAL INFORMATION
                                    (ITEM 2)

           MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION
                            AND RESULTS OF OPERATIONS


RESULTS OF OPERATIONS

The  Company's  principal  business segments are oil  and  gas  exploration  and
production,  crude oil marketing, technical fuels and chemical  processing,  and
transportation.   Results of operations by segment for the  three  months  ended
March  31,  1995  and 1994 are presented below and discussed  in  the  following
sections.   The "Other" segment includes primarily depreciation and amortization
of  certain  assets  not  directly related to those segments  identified  above.
Selling,  general and administrative expenses incurred by each business  segment
are  included  in  the  determination of the operating profit  (loss)  for  that
business  segment.  General corporate expenses comprise the balance of  selling,
general and administrative expenses.

                                                  Three Months Ended March 31,
                                                          1995     1994
                                                         (In thousands)
Revenues

Oil and gas exploration and production                 $  7,546   $ 6,960
Crude oil marketing                                     138,880    76,521
Technical fuels and chemical processing                   7,697     7,200
Transportation                                            3,962     2,517
Intersegment Sales                                       (6,569)   (5,524)
                                                       --------   -------
                                                       $151,516   $87,674
                                                       ========   =======

Earnings

Oil and gas exploration and production                 $  1,712   $ 1,075
Crude oil marketing                                         513       373
Technical fuels and chemical processing                     262       295
Transportation                                              336       271
Other                                                       (65)     (105)
                                                       --------   -------
Operating profit                                          2,758     1,909
General corporate expense                                  (921)     (873)
Other income (expense)                                     (588)     (531)
                                                       --------   -------
Earnings before income taxes                              1,249       505
Provision for income taxes                                  417       153
                                                       --------   -------
Net earnings                                           $    832   $   352
                                                       ========   =======

Oil & Gas Exploration and Production

Revenues of the oil and gas exploration and production segment for the three
months ended March 31, 1995 and 1994 were as follows:

                                                  Three Months Ended March 31,
                                                          1995     1994
                                                          (In thousands)

Sales of oil and natural gas                             $6,503    $5,827
Sales of LaBarge other products                             537       640
Gas marketing                                               419       382
Minerals leasing and other                                   87       111
                                                         ------    ------
   Total revenues                                        $7,546    $6,960
                                                         ======    ======

Production and sales price per unit data for the three months ended March 31,
1995 and 1994 were as follows:

                                                  Three Months Ended March 31,
                                                           1995     1994
                                                          (In thousands)
Production:
  Crude oil (bbls per day)                                3,493     3,554
  Natural gas (Mcf per day)                               9,223     9,758
  Natural gas liquids (bbls per day)                        232       211

Sales prices:
  Crude oil (per bbl)                                    $15.90    $12.51
  Natural gas (per Mcf)                                    1.47      1.92
  Natural gas liquids (per bbl)                            9.84      7.85

Revenues from the sales of crude oil and natural gas increased due primarily  to
a 27% increase in the average sales price of the Company's crude oil production.
The  effect  on  the  Company's revenues of this rise  in  price  was  partially
mitigated  by a decrease in the volume and sales price of the Company's  natural
gas production.

Operating  profit of the oil and gas exploration and production segment  in  the
first  quarter  of 1995 was $1.7 million, an increase of $0.7 million  from  the
first  quarter  of  1994.  This improvement can be atrributed primarily  to  the
improved revenues discussed above.  A small reduction in G&A costs in the  first
quarter  of  1995  when compared to the first quarter of 1994 was  offset  by  a
similar  increase in depreciation, depletion and amortization  between  the  two
periods.

Crude Oil Marketing

Operating profit of the crude oil marketing segment increased $0.1 million  when
compared to the prior year period.  This increase in profit can be attributed to
a  higher  level  of  activity than in the 1994 period.   The  Company  marketed
approximately 45% more barrels than in the first quarter of 1994.  The margin on
these additional barrels resulted in higher operating profits.  The increase  in
barrels  combined with a more than $3 per barrel increase in oil prices  between
the two periods resulted in the 81% increase in revenues for this segment.

Technical Fuels and Chemical Processing

The technical fuels and chemical processing segment reported an operating profit
of  $0.3  million  for the first quarter of 1995, the same operating  profit  as
reported for the 1994 quarter.  A slight decrease in the volume of research  and
reference fuels sold in the 1995 period was offset by higher levels of  chemical
toll processing revenues.  The decline in fuels sold resulted from the timing of
purchases by customers.

Transportation

Operating  profit of the transportation segment increased 24% on a 57%  increase
in  revenues  in  the  1995  first quarter when compared  to  the  1994  period.
Operating  problems  in  the  plant of a major customer  resulted  in  decreased
utilization  of the Company's transportation fleet.  Fixed operating  costs  did
not decline with the utilization decrease, resulting in higher average costs per
dollar of revenue in the 1995 quarter.

Other Income (Expense)

Interest expense increased 23% in the first quarter of 1995 when compared to the
first  quarter  of  1994.  The majority of this increase can  be  attributed  to
higher  market  interest  rates.   In the 1995 quarter,  market  interest  rates
averaged more than 2.5% greater than in the 1994 period.  Since the majority  of
the  Company's  debt bears interest at market interest rates, this  increase  in
rates negatively impacted the Company.

Provision for Income Taxes

The  effective tax rate was 33% and 30% in the first quarter of 1995  and  1994,
respectively.

LIQUIDITY AND CAPITAL RESOURCES

The  Company  generated cash from operating activities in the first  quarter  of
1995  of $1.2 million.  During this quarter, the Company utilized the cash  flow
generated  from  operations, $0.2 million of the cash on hand  at  December  31,
1994,  and  net borrowings of $72.8 million to invest $73.4 million in additions
to  property,  plant and equipment and to pay $0.8 million of cash dividends  to
common and preferred shareholders.

The  additions  to  property,  plant and equipment consisted  primarily  of  the
acquisition  of  all  of  the Mississippi operated oil and  gas  properties  and
certain other assets of Norcen Explorer, Inc. (Norcen) for $5.8 million and  the
acquisition  of  three  crude oil pipeline systems from Exxon  Pipeline  Company
(Exxon) for $63.5 million.

These acquisitions were financed by two new credit facilities that replaced  the
existing  Credit  Facility and LC Facility described  in  Note  5  of  Notes  to
Consolidated  Financial Statements in the Company's Annual Report on  Form  10-K
for the year ended December 31, 1994.

The  Credit  Facility  was  replaced with a new  credit  facility  among  Howell
Petroleum Corporation and Bank One, Texas, N.A., Bank of Montreal, Compass  Bank
- -  Houston  and  Den norske Bank AS (the "HPC Credit Facility").  The  borrowing
base under the HPC Credit Facility was $43.3 million at March 31, 1995, and will
decline by $0.8 million monthly beginning May 1, 1995, until such time as it  is
redetermined.   The borrowing base is reviewed semi-annually by the  banks  with
mandatory  payments  if the borrowing base, as determined solely  by  the  banks
based on the Company's interest in proved oil and gas reserves, is less than the
outstanding  balance  on  the  loan.  The HPC Credit  Facility  provides  for  a
revolving  period until June 1, 1997, with interest to be paid  monthly  at  the
rate  selected by the Company of either (1) a Floating Base Rate (as defined  in
the  HPC Credit Facility) that is generally the prevailing prime rate or  (2)  a
rate  based  on  LIBOR.  At the end of the revolving period, the revolving  loan
converts automatically to a four-year term loan, with principal payments  to  be
made in sixteen quarterly installments along with accrued interest on the unpaid
principal  balance at a rate equal to the prime rate.  The HPC  Credit  Facility
also  provides  for the issuance of letters of credit in an amount  up  to  $5.0
million.  The amount of letters of credit outstanding reduces the amount of  the
available commitment.

The  HPC Credit Facility is collateralized by mortgages on substantially all  of
the  Company's  producing oil and gas properties, the  common  stock  of  Howell
Petroleum Corporation (HPC), the common stock of Howell Crude Oil Company  (HCO)
and the guarantee of the Company.  There is no compensating balance requirement,
and  the  HPC Credit Facility carries a commitment fee of 3/8% on the  available
portion   of  the  commitment.   Material  covenants  and  restrictions  include
requirements  to maintain a current ratio of current assets plus  the  available
portion  of the commitment to current liabilities, as defined in the HPC  Credit
Facility, of at least 1:1, to maintain tangible net worth, as defined in the HPC
Credit Facility, of a floating amount that was $65.7 million at March 31,  1995,
and  to  prohibit  certain  defined  types of additional  indebtedness  and  the
granting of certain liens on the Company's assets without the banks' approval.

The  LC Facility was replaced with a new credit facility among Howell Crude  Oil
Company, Bank One, Texas, N.A., Bank of Montreal, Compass Bank - Houston and Den
norske  Bank  AS (the "HCO Credit Facility").  The HCO Credit Facility  provides
for a term loan in an amount of $57.5 million and for the issuance of letters of
credit  in  the  aggregate not to exceed the lesser of  the  commitment  of  $15
million or the Borrowing Base, as defined in the HCO Credit Facility.  At  March
31, 1995, the Borrowing Base was $16.3 million.

Repayment  of the term loan will occur over a period not to exceed seven  years.
Beginning in July 1995, the Company will make payments in quarterly installments
of  $1.4  million.   In  addition, the Company is required  to  make  additional
repayments of the term loan, beginning in the second quarter of 1996,  equal  to
60%  of Excess Cash Flow, as defined in the HCO Credit Facility.  Interest  will
be  paid  monthly at the rate selected by the Company of either (1)  a  Floating
Base  Rate  (as  defined  in  the HCO Credit Facility)  that  is  generally  the
prevailing prime rate or (2) a rate based on LIBOR.

The  HCO  Credit  Facility carries a commitment fee of  1/4%  on  the  available
portion  of  the  commitment for letters of credit.  There  is  no  compensating
balance requirement.  The HCO Credit Facility is collateralized by the inventory
and  accounts receivable of HCO, the pipeline properties acquired in  the  Exxon
Transaction, the common stock of HCO and its subsidiaries, the commmon stock  of
HPC and the guarantee of the Company.


                           PART II.  OTHER INFORMATION

Item 6.  Exhibits and Reports on Form 8-K.

(a)  Exhibits
     10.1 Credit Agreement Among Howell Petroleum Corporation, as Borrower, Bank
One,  Texas,  N.A.  as  Agent and as a Lender, Bank of Montreal,  as  a  Lender,
Compass Bank - Houston as a Lender and Den norske Bank AS, as a Lender, dated as
of March 31, 1995.
      10.2  Guaranty by Howell Corporation in Favor of Bank One, Texas, National
Association,  as Agent, dated as of March 31, 1995 - Credit Facility  to  Howell
Petroleum Corporation
      10.3  Credit  Agreement Among Howell Crude Oil Company, as Borrower,  Bank
One,  Texas,  N.A.  as  Agent and as a Lender, Bank of Montreal,  as  a  Lender,
Compass Bank - Houston as a Lender and Den norske Bank AS, as a Lender, dated as
of March 31, 1995.
      10.4  Guaranty by Howell Corporation in Favor of Bank One, Texas, National
Association,  as Agent, dated as of March 31, 1995 - Credit Facility  to  Howell
Crude Oil Company.
      10.5 Guaranty by Howell Pipeline Texas, Inc., in Favor of Bank One, Texas,
National Association, as Agent, dated as of March 3,1 1995 - Credit Facility  to
Howell Crude Oil Company.
      10.6  Guaranty by Howell Pipeline USA, Inc. in Favor of Bank  One,  Texas,
National Association, as Agent, dated as of March 31, 1995 - Credit Facility  to
Howell Crude Oil Company.
     11   Computation of Earnings per Share

(b)  Reports on Form 8-K
      A  report  on  Form  8-K was filed on March 6, 1995, announcing  that  the
Registrant had signed a Purchase and Sale Agreement with Exxon Pipeline  Company
to acquire three crude oil pipelines.

      A  report  on  Form 8-K was filed on March 28, 1995, announcing  that  the
Registrant had purchased all of the Mississippi operated properties and  certain
other assets of Norcen Explorer, Inc.



                                    SIGNATURE

Pursuant  to  the  requirements of the Securities  Exchange  Act  of  1934,  the
Registrant  has  duly  caused this report to be signed  on  its  behalf  by  the
undersigned thereunto duly authorized.

                           Howell Corporation
                           (Registrant)



Date:  May 11, 1995        /s/ Allyn R. Skelton, II
                           ------------------------
                           Allyn R. Skelton, II
                           Senior  Vice  President  &  Chief Financial Officer
                           (Principal Financial and Accounting Officer)
                                                                                


EXHIBIT 10.1









                                CREDIT AGREEMENT
                                        
                                      AMONG
                                        
                          HOWELL PETROLEUM CORPORATION,
                                  AS BORROWER,
                                        
                             BANK ONE, TEXAS, N.A.,
                            AS AGENT AND AS A LENDER,
                                        
                                BANK OF MONTREAL,
                                  AS A LENDER,
                                        
                              COMPASS BANK-HOUSTON,
                                  AS A LENDER,
                                        
                                       AND
                                        
                               DEN NORSKE BANK AS,
                                   AS A LENDER
                                        
                                        
                           Dated as of March 31, 1995


<PAGE>
                                TABLE OF CONTENTS
     
                                                                Page

ARTICLE I DEFINITIONS AND INTERPRETATION

     1.1  Terms Defined Above                                     1
     1.2  Additional Defined Terms                                1
     1.3  Undefined Financial Accounting Terms                   16
     1.4  References                                             16
     1.5  Articles and Sections                                  16
     1.6  Number and Gender                                      16
     1.7  Incorporation of Exhibits                              17

ARTICLE II     TERMS OF FACILITY

     2.1  Revolving Line of Credit                               17
     2.2  Letter of Credit Facility                              18
     2.3  Limitations on Interest Periods                        19
     2.4  Limitation on Types of Loans                           20
     2.5  Use of Loan Proceeds and Letters of Credit             20
     2.6  Interest                                               20
     2.7  Repayment of Loans and Interest                        21
     2.8  General Terms                                          22
     2.9  Time, Place, and Method of Payments                    22
     2.10 Pro Rata Treatment; Adjustments                        22
     2.11 Borrowing Base Determinations                          23
     2.12 Mandatory Prepayments                                  24
     2.13 Voluntary Prepayments and Conversions of Loans         24
     2.14 Commitment Fee                                         25
     2.15 Facility Fee                                           25
     2.16 Letter of Credit Fee                                   25
     2.17 Agency Fee                                             25
     2.18 Loans to Satisfy Obligations of Borrower               25
     2.19 Security Interest in Accounts; Right of Offset         25
     2.20 General Provisions Relating to Interest                26
     2.21 Obligations Absolute                                   27
     2.22 Yield Protection                                       28
     2.23 Illegality                                             29
     2.24 Taxes                                                  30
     2.25 Replacement Lenders                                    31
     2.26 Regulatory Change                                      32
     2.27 Letters in Lieu of Transfer Orders                     32
     2.28 Power of Attorney                                      32

ARTICLE III    CONDITIONS

     3.1  Conditions Precedent to Initial Loan                   33
     3.2  Conditions Precedent to Each Loan                      35
     3.3  Conditions Precedent to Issuance of Letters of Credit  36

ARTICLE IV     REPRESENTATIONS AND WARRANTIES

     4.1  Due Authorization                                      37
     4.2  Corporate Existence                                    37
     4.3  Valid and Binding Obligations                          37
     4.4  Security Instruments                                   37
     4.5  Title to Assets                                        37
     4.6  Scope and Accuracy of Financial Statements             37
     4.7  No Material Misstatements                              38
     4.8  Liabilities, Litigation, and Restrictions              38
     4.9  Authorizations; Consents                               38
     4.10 Compliance with Laws                                   38
     4.11 ERISA                                                  38
     4.12 Environmental Laws                                     39
     4.13 Compliance with Federal Reserve Regulations            39
     4.14 Investment Company Act Compliance                      39
     4.15 Public Utility Holding Company Act Compliance          39
     4.16 Proper Filing of Tax Returns; Payment of Taxes Due     40
     4.17 Refunds                                                40
     4.18 Gas Contracts                                          40
     4.19 Intellectual Property                                  40
     4.20 Casualties or Taking of Property                       40
     4.21 Locations of Borrower                                  40
     4.22 Subsidiaries                                           41

ARTICLE V AFFIRMATIVE COVENANTS

     5.1  Maintenance and Access to Records                      41
     5.2  Monthly Financial Reports                              41
     5.3  Quarterly Financial Statements; Compliance
           Certificates                                          41
     5.4  Annual Financial Statements; Compliance Certificates   41
     5.5  Oil and Gas Reserve Reports                            42
     5.6  Title Opinions; Title Defects                          42
     5.7  Notices of Certain Events                              42
     5.8  Letters in Lieu of Transfer Orders; Division Orders    44
     5.9  Additional Information                                 44
     5.10 Compliance with Laws                                   44
     5.11 Payment of Assessments and Charges                     44
     5.12 Maintenance of Corporate Existence and Good Standing   44
     5.13 Further Assurances                                     45
     5.14 Fees and Expenses                                      45
     5.15 Operation of Oil and Gas Properties                    45
     5.16 Maintenance and Inspection of Properties               45
     5.17 Maintenance of Insurance                               46
     5.18 Maintenance of Operating Accounts                      46
     5.19 Indemnification                                        46

ARTICLE VI     NEGATIVE COVENANTS

     6.1  Indebtedness                                           47
     6.2  Contingent Obligations                                 48
     6.3  Liens                                                  48
     6.4  Sales of Assets                                        48
     6.5  Loans or Advances                                      48
     6.6  Investments                                            48
     6.7  Dividends and Distributions                            49
     6.8  Capital Expenditures                                   49
     6.9  Issuance of Stock; Changes in Corporate Structure      49
     6.10 Transactions with Affiliates                           49
     6.11 Lines of Business                                      49
     6.12 Rental or Lease Agreements                             49
     6.13 ERISA Compliance                                       49
     6.14 Tangible Net Worth                                     50
     6.15 Cash Flow Coverage                                     50

ARTICLE VII    EVENTS OF DEFAULT

     7.1  Enumeration of Events of Default                       50
     7.2  Remedies                                               52

ARTICLE VIII   THE AGENT

     8.1  Appointment                                            53
     8.2  Delegation of Duties                                   53
     8.3  Exculpatory Provisions                                 53
     8.4  Reliance by Agent                                      54
     8.5  Notice of Default                                      54
     8.6  Non-Reliance on Agent and Other Lenders                55
     8.7  Indemnification                                        55
     8.8  Restitution                                            56
     8.9  Agent in Its Individual Capacity                       56
     8.10 Successor Agent                                        57
     8.11 Applicable Parties                                     57

ARTICLE IX     MISCELLANEOUS

     9.1  Assignments; Participations                            57
     9.2  Survival of Representations, Warranties, and Covenants 58
     9.3  Notices                                                58
     9.4  Parties in Interest                                    59
     9.5  Rights of Third Parties                                59
     9.6  No Waiver; Rights Cumulative                           59
     9.7  Survival Upon Unenforceability                         59
     9.8  Amendments; Waivers                                    59
     9.9  Controlling Agreement                                  60
     9.10 GOVERNING LAW                                          60
     9.11 JURISDICTION AND VENUE                                 60
     9.12 WAIVER OF RIGHTS TO JURY TRIAL                         61
     9.13 ENTIRE AGREEMENT                                       61
     9.14 Counterparts                                           61


     LIST OF EXHIBITS

Exhibit I      -    Form of Note
Exhibit II     -    Form of Assignment Agreement
Exhibit III    -    Form of Borrowing Request
Exhibit IV     -    Commitment Amounts
Exhibit V      -    Form of Compliance Certificate
Exhibit VI     -    Existing Letters of Credit
Exhibit VII    -    Notice of Change in Total Debt to Capitalization Ratio
Exhibit VIII   -    Form of Opinion of Counsel
Exhibit IX     -    Form of Opinion of Local Counsel
Exhibit X      -    Disclosures

<PAGE>

          THIS CREDIT AGREEMENT is made and entered into as of the 31st day of
March, 1995, by and among HOWELL PETROLEUM CORPORATION, a Delaware corporation
(the "Borrower"), BANK ONE, TEXAS, N.A., a national banking association ("Bank
One"), BANK OF MONTREAL, a Canadian chartered bank ("BOM"), COMPASS BANK-
HOUSTON, a Texas state chartered banking institution ("Compass"), and DEN NORSKE
BANK AS, a Norwegian bank ("DNB;" with each of Bank One, BOM, Compass, DNB, and
each other lender that becomes a signatory hereto as provided in Section 9.1,
individually, together with its successors and assigns, a "Lender" and
collectively, together with their respective successors and assigns, the
"Lenders"), and Bank One, as agent for the Lenders (in such capacity, together
with its successors in such capacity pursuant to the terms hereof, the "Agent").


     W I T N E S S E T H:

          In consideration of the mutual covenants and agreements herein
contained, the parties hereto hereby agree as follows, amending and restating in
its entirety the Credit Agreement dated as of December 31, 1992, by and between
the Borrower and Bank One (as heretofore amended, restated, or supplemented, the
"Existing Credit Agreement").


                     ARTICLE IDEFINITIONS AND INTERPRETATION

1.1  Terms Defined Above.  As used in this Credit Agreement, the terms "Agent,"
"Bank One," "BOM," "Borrower," "Compass," "DNB," "Existing Credit Agreement,"
"Lender," and "Lenders" shall have the meaning assigned to them hereinabove.

1.2  Additional Defined Terms.  As used in this Credit Agreement, each of the
following terms shall have the meaning assigned thereto in this Section, unless
the context otherwise requires:

          "Additional Costs" shall mean costs which the Agent or any Lender
determines are attributable to its obligation to make or its making or
maintaining any LIBO Rate Loan or issuing or participating in Letters of Credit,
or any reduction in any amount receivable by the Agent or any Lender in respect
of any such obligation or any LIBO Rate Loan or Letter of Credit, resulting from
any Regulatory Change which (a) changes the basis of taxation of any amounts
payable to the Agent or such Lender under this Agreement or any Note in respect
of any LIBO Rate Loan or Letter of Credit (other than taxes imposed on the
overall net income of the Agent or such Lender or its Applicable Lending Office
for any such LIBO Rate Loan by the jurisdiction in which the Agent or such
Lender has its principal office or Applicable Lending Office), (b) imposes or
modifies any reserve, special deposit, minimum capital, capital ratio, or
similar requirements (other than the Reserve Requirement utilized in the
determination of the Adjusted LIBO Rate for such Loan) relating to any
extensions of credit or other assets of, or any deposits with or other
liabilities of, the Agent or such Lender (including LIBO Rate Loans and Dollar
deposits in the London interbank market in connection with LIBO Rate Loans), or
the Commitment of the Agent or such Lender, or the London interbank market, or
(c) imposes any other condition affecting this Agreement or any Note or any of
such extensions of credit, liabilities, or Commitments.

          "Adjusted LIBO Rate" shall mean, for any Interest Period for any LIBO
Rate Loan, an interest rate per annum (rounded upwards, if necessary, to the
nearest 1/100 of 1%) determined by the Agent to be equal to the quotient of (a)
the sum of the LIBO Rate for such Interest Period for such Loan plus the
Applicable Margin from time to time in effect divided by (b) 1 minus the Reserve
Requirement for such Loan for such Interest Period, such rate to be computed on
the basis of a year of 360 days and actual days elapsed (including the first day
but excluding the last day) during the period for which payable, but in no event
shall such rate exceed the Highest Lawful Rate.

          "Affiliate" shall mean any Person directly or indirectly controlled
by, controlling, or under common control with, the Borrower and includes any
Subsidiary of the Borrower and any "affiliate" of the Borrower within the
meaning of Reg. 240.12b-2 of the Securities Exchange Act of 1934, as amended,
with "control," as used in this definition, meaning possession, directly or
indirectly, of the power to direct or cause the direction of management,
policies or action through ownership of voting securities, contract, voting
trust, or membership in management or in the group appointing or electing
management or otherwise through formal or informal arrangements or business
relationships.

          "Agency Fee Letter" shall mean the letter agreement dated as of
February 9, 1995, between Bank One and the Guarantor concerning certain fees in
connection with the transactions contemplated hereby, and any agreements or
instruments executed in connection therewith, as amended, restated, or
supplemented from time to time.

          "Agreement" shall mean this Credit Agreement, as it may be amended,
supplemented, or restated from time to time.

          "Applicable Lending Office" shall mean, for each Lender and type of
Loan, the lending office of such Lender (or an affiliate of such Lender)
designated for such type of Loan on the signature pages hereof or such other
office of such Lender (or an affiliate of such Lender) as such Lender may from
time to time specify to the Agent and the Borrower as the office by which its
Loans of such type are to be made and maintained.

          "Applicable Margin" shall mean, as to each LIBO Rate Loan and subject
to adjustment as provided in Section 2.6, two percent (2%).

          "Assignment Agreement" shall mean an Assignment Agreement,
substantially in the form of Exhibit II, with appropriate insertions.

          "Available Commitment" shall mean, at any time, an amount equal to the
remainder, if any, of (a) the lesser of the Maximum Commitment Amount or the
Borrowing Base in effect at such time minus (b) the sum of the Loan Balance at
such time plus the L/C Exposure at such time.

          "Base Rate" shall mean the interest rate announced or published by
Bank One from time to time as its general reference rate of interest, which Base
Rate shall change upon each change in such announced or published general
reference interest rate and which Base Rate may not be the lowest interest rate
charged by Bank One.

          "Borrowing Base" shall mean, at any time, the amount determined by the
Lenders in accordance with Section 2.11.

          "Borrowing Request" shall mean each written request, in substantially
the form attached hereto as Exhibit III, by the Borrower to the Agent for a
borrowing or conversion pursuant to Section 2.1 or 2.13, each of which shall:

     be signed by a Responsible Officer of the Borrower;

     specify the amount and type of Loan requested or the Loan to be converted
and the requested date of such borrowing or conversion (which shall be a
Business Day);

     when requesting a Floating Rate Loan, be delivered to the Agent no later
than noon, Central Standard or Daylight Savings Time, as the case may be, on the
Business Day of the requested borrowing or conversion; and

     when requesting a LIBO Rate Loan, be delivered to the Agent no later than
9:00 a.m., Central Standard or Daylight Savings Time, as the case may be, the
second Business Day preceding the requested borrowing or conversion and
designate the Interest Period requested with respect to such Loan.

          "Business Day" shall mean (a) for all purposes other than as covered
by clause (b) of this definition, a day other than a Saturday, Sunday, legal
holiday for commercial banks under the laws of the State of Texas, or any other
day when banking is suspended in the State of Texas, and (b) with respect to all
requests, notices, and determinations in connection with, and payments of
principal and interest on, LIBO Rate Loans, a day which is a Business Day
described in clause (a) of this definition and which is a day for trading by and
between banks for Dollar deposits in the London interbank market.

          "Capitalization" shall mean, at any time, the sum of Total Debt plus
Consolidated Shareholders' Equity.

          "Cash Flow" shall mean, for any period, Net Income (exclusive of any
non-cash income) for such period plus depreciation, amortization, and other non-
cash expenses for such period deducted in the determination of Net Income for
such period.

          "Closing Date" shall mean March 31, 1995.

          "Code" shall mean the United States Internal Revenue Code of 1986, as
amended from time to time.

          "Collateral" shall mean the Mortgaged Properties, all capital stock of
the Borrower and Howell Crude Oil Company, a Delaware corporation, and any other
Property now or at any time used or intended as security for the payment or
performance of all or any portion of the Obligations.

          "Commitment Amount" shall mean, for each Lender, the amount set forth
opposite the name of such Lender on Exhibit IV under the caption "Commitment
Amounts," as modified from time to time to reflect assignments permitted by
Section 9.1 or otherwise pursuant to the terms hereof.

          "Commitment Period" shall mean the period from and including the
Closing Date to but not including the Commitment Termination Date.

          "Commitment Termination Date" shall mean June 1, 1997.

          "Commitments" shall mean the several obligations of the Lenders to
make and maintain Loans to or for the benefit of the Borrower pursuant to
Section 2.1 and the obligation of the Agent to issue and the Lenders to
participate in Letters of Credit pursuant to Section 2.2.

          "Commonly Controlled Entity" shall mean any Person which is under
common control with the Borrower or the Guarantor within the meaning of Section
4001 of ERISA.

          "Compliance Certificate" shall mean each certificate, substantially in
the form attached hereto as Exhibit V, executed by a Responsible Officer of the
Borrower and the Guarantor and delivered by the Borrower from time to time in
accordance with the terms hereof.

          "Consolidated Shareholders' Equity" shall mean, at any time, all
amounts which would, in accordance with GAAP, be included under consolidated
common stock and other stockholders' equity of the Guarantor (including, without
limitation, amounts for non-redeemable preferred stock, common stock, capital
surplus, and retained earnings and other stockholders' equity so long as not
subject to any mandatory redemption).

          "Contingent Obligation" shall mean, as to any Person, any obligation
of such Person guaranteeing or in effect guaranteeing any Indebtedness, leases,
dividends, or other obligations of any other Person (for purposes of this
definition, a "primary obligation") in any manner, whether directly or
indirectly, including, without limitation, any obligation of such Person,
regardless of whether such obligation is contingent, (a) to purchase any primary
obligation or any Property constituting direct or indirect security therefor,
(b) to advance or supply funds (i) for the purchase or payment of any primary
obligation, or (ii) to maintain working or equity capital of any other Person in
respect of any primary obligation, or otherwise to maintain the net worth or
solvency of any other Person, (c) to purchase Property, securities or services
primarily for the purpose of assuring the owner of any primary obligation of the
ability of the Person primarily liable for such primary obligation to make
payment thereof, or (d) otherwise to assure or hold harmless the owner of any
such primary obligation against loss in respect thereof, with the amount of any
Contingent Obligation being deemed to be equal to the stated or determinable
amount of the primary obligation in respect of which such Contingent Obligation
is made or, if not stated or determinable, the maximum reasonably anticipated
liability in respect thereof as determined by such Person in good faith.

          "Debt Service" shall mean, (a) for any fiscal quarter ending prior to
the Commitment Termination Date, an amount equal to 1/16 of the sum of the Loan
Balance plus the L/C Exposure at the end of such fiscal quarter, and (b) for any
fiscal quarter ending after the Commitment Termination Date, an amount equal to
the actual payments of principal required to be made by the Borrower (regardless
of whether such payments are in fact made and excluding any voluntary
prepayments) on all obligations of the Borrower evidenced by bonds, debentures,
promissory notes or similar evidences of Indebtedness of the Borrower during
such fiscal quarter.

          "Default" shall mean any event or occurrence which with the lapse of
time or the giving of notice or both would become an Event of Default.

          "Default Rate" shall mean a per annum interest rate equal to the Base
Rate plus five percent (5%), such rate to be computed on the basis of a year of
365 or 366 days, as the case may be, and actual days elapsed (including the
first day but excluding the last day) during the period for which payable, but
in no event shall such rate exceed the Highest Lawful Rate.

          "Dollars" and "$" shall mean dollars in lawful currency of the United
States of America.

          "Environmental Complaint" shall mean any written or oral complaint,
order, directive, claim, citation, or notice of violation, investigation, or
potential liability by or from any Governmental Authority or any other Person
with respect to (a) air emissions of Hazardous Substances, (b) spills, releases,
or discharges of Hazardous Substances to soils, any improvements located
thereon, surface water, groundwater, or the sewer, septic, waste treatment,
storage, or disposal systems servicing any Property of the Borrower or the
Guarantor or any Affiliate of the Guarantor, (c) solid or liquid waste disposal,
(d) the use, generation, storage, transportation, or disposal of any Hazardous
Substance, or (e) other environmental, health, or safety matters affecting any
Property of the Borrower or the Guarantor or any Affiliate of the Guarantor or
the business conducted thereon.

          "Environmental Laws" shall mean (a) the following federal laws as they
may be amended from time to time:  the Clean Air Act, the Clean Water Act, the
Comprehensive Environmental Response, Compensation and Liability Act, the
Endangered Species Act, the Hazardous Materials Transportation Act of 1986, the
Occupational Safety and Health Act, the Oil Pollution Act of 1990, the Resource
Conservation and Recovery Act of 1976, the Safe Drinking Water Act, the
Superfund Amendments and Reauthorization Act, the Toxic Substances Control Act,
and the Pipeline Safety Act; (b) any and all equivalent environmental statutes
of any state in which Property of the Borrower, the Guarantor, or any Affiliate
of the Guarantor is situated, as they may be amended from time to time; (c) any
rules or regulations promulgated under or adopted pursuant to the above federal
and state laws; and (d) any other equivalent federal, state, or local statute or
any requirement, rule, regulation, code, ordinance, or order adopted pursuant
thereto, including, without limitation, those relating to the generation,
transportation, treatment, storage, recycling, disposal, handling, or release of
Hazardous Substances.

          "ERISA" shall mean the Employee Retirement Income Security Act of
1974, as amended from time to time, and the regulations thereunder and
interpretations thereof.

          "Event of Default" shall mean any of the events specified in Section
7.1.

          "Existing Letters of Credit" shall mean the letters of credit
described on Exhibit VI issued by Bank One and outstanding as of the Closing
Date.

          "Existing Loan Documents" shall mean the Loan Documents, as such term
is defined in the Existing Credit Agreement.

          "Existing Note" shall mean the Note, as such term is defined in the
Existing Credit Agreement.

          "Existing Security Instruments" shall mean the Security Instruments,
as such term is defined in the Existing Credit Agreement.

          "Facility Fee Letter" shall mean the letter agreement dated as of
March 24, 1995, among the Agent, Bank One, BOM, Compass, DNC, and the Borrower
concerning certain fees in connection with the transactions contemplated hereby,
and any agreements or instruments executed in connection therewith, as amended,
restated, or supplemented from time to time.

          "Federal Funds Rate" shall mean, for any day, the rate per annum
(rounded upwards, if necessary, to the nearest 1/100 of 1%) equal to the
weighted average of the rates on overnight federal funds transactions with
members of the Federal Reserve System arranged by federal funds brokers on such
day, as published by the Federal Reserve Bank of Dallas, Texas, on the Business
Day next succeeding such day, provided that (a) if the day for which such rate
is to be determined is not a Business Day, the Federal Funds Rate for such day
shall be such rate on such transactions on the next preceding Business Day as so
published on the next succeeding Business Day, and (b) if such rate is not so
published for any day, the Federal Funds Rate for such day shall be the average
rate charged to the Agent on such day on such transactions as determined by the
Agent.

          "Final Maturity" shall mean June 1, 2001.

          "Financial Statements" shall mean statements of the financial
condition as at the point in time and for the period indicated and consisting of
at least a balance sheet and related statements of operations, common stock and
other stockholders' equity, and cash flows and, when required by applicable
provisions of this Agreement to be audited, accompanied by the unqualified
certification of a nationally-recognized firm of independent certified public
accountants or other independent certified public accountants acceptable to the
Agent and footnotes to any of the foregoing, all of which shall be prepared in
accordance with GAAP (except that separate financial statements of the Borrower
not consolidated with the Guarantor need not contain footnotes or provision for
income taxes) consistently applied and in comparative form with respect to the
corresponding period of the preceding fiscal period.

          "Floating Rate" shall mean, for any day, an interest rate per annum
equal to the greater of (a) the Base Rate for such day or (b) the Federal Funds
Rate for such day plus one-half of one percent (1/2%), such rate to be computed,
in either case, on the basis of a year of 365 or 366 days, as the case may be,
and actual days elapsed (including the first day but excluding the last day)
during the period for which payable, but in no event shall such rate exceed the
Highest Lawful Rate.

          "Floating Rate Loan" shall mean any Loan and any portion of the Loan
Balance which the Borrower has requested, in the initial Borrowing Request for
such Loan or a subsequent Borrowing Request for such portion of the Loan
Balance, bear interest at the Floating Rate, or which pursuant to the terms
hereof are otherwise required to bear interest at the Floating Rate.

          "GAAP" shall mean generally accepted accounting principles established
by the Financial Accounting Standards Board or the American Institute of
Certified Public Accountants and in effect in the United States from time to
time.

          "Governmental Authority" shall mean any nation, country, commonwealth,
territory, government, state, county, parish, municipality, or other political
subdivision and any entity exercising executive, legislative, judicial,
regulatory, or administrative functions of or pertaining to government.

          "Guarantor" shall mean Howell Corporation, a Delaware corporation.

          "Guaranty" shall mean the Guaranty executed by the Guarantor in favor
of the Agent, guaranteeing the payment and performance of the Obligations, as
ratified, amended, restated, or supplemented from time to time.

          "Hazardous Substances" shall mean flammables, explosives, radioactive
materials, hazardous wastes, asbestos, or any material containing asbestos,
polychlorinated biphenyls (PCBs), toxic substances or related materials,
petroleum, petroleum products, associated oil or natural gas exploration,
production, and development wastes, or any substances defined as "hazardous
substances," "hazardous materials," "hazardous wastes," or "toxic substances"
under the Comprehensive Environmental Response, Compensation and Liability Act,
as amended, the Superfund Amendments and Reauthorization Act, as amended, the
Hazardous Materials Transportation Act, as amended, the Resource Conservation
and Recovery Act, as amended, the Toxic Substances Control Act, as amended, or
any other law or regulation now or hereafter enacted or promulgated by any
Governmental Authority.

          "Highest Lawful Rate" shall mean, with respect to each Lender, the
maximum non-usurious interest rate, if any (or, if the context so requires, an
amount calculated at such rate), that at any time or from time to time may be
contracted for, taken, reserved, charged, or received under laws applicable to
such Lender, as such laws are presently in effect or, to the extent allowed by
applicable law, as such laws may hereafter be in effect and which allow a higher
maximum non-usurious interest rate than such laws now allow.

          "Indebtedness" shall mean, as to any Person, without duplication, (a)
all liabilities (excluding reserves for deferred income taxes, deferred
compensation liabilities, and other deferred liabilities and credits) which in
accordance with GAAP would be included in determining total liabilities as shown
on the liability side of a balance sheet, (b) all obligations of such Person
evidenced by bonds, debentures, promissory notes, or similar evidences of
indebtedness, (c) all other indebtedness of such Person for borrowed money and
capitalized leases, and (d) all obligations of others, to the extent any such
obligation is secured by a Lien on the assets of such Person (whether or not
such Person has assumed or become liable for the obligation secured by such
Lien).

          "Insolvency Proceeding" shall mean application (whether voluntary or
instituted by another Person) for or the consent to the appointment of a
receiver, trustee, conservator, custodian, or liquidator of any Person or of all
or a substantial part of the Property of such Person, or the filing of a
petition (whether voluntary or instituted by another Person) commencing a case
under Title 11 of the United States Code, seeking liquidation, reorganization,
or rearrangement or taking advantage of any bankruptcy, insolvency, debtor's
relief, or other similar law of the United States, the State of Texas, or any
other jurisdiction.

          "Insolvent" or "Insolvency" shall mean, with respect to any
Multiemployer Plan, that such Plan is insolvent within the meaning of such term
as used in Section 4245 of ERISA.

          "Intellectual Property" shall mean patents, patent applications,
trademarks, tradenames, copyrights, technology, know-how, and processes.

          "Interest Period" shall mean, subject to the limitations set forth in
Section 2.3, with respect to any LIBO Rate Loan, a period commencing on the date
such Loan is made or converted from a Loan of another type pursuant to this
Agreement or the last day of the next preceding Interest Period with respect to
such Loan and ending on the numerically corresponding day in the calendar month
that is one, two, three, or, subject to availability, six months thereafter, as
the Borrower may request in the Borrowing Request for such Loan.

          "Investment" in any Person shall mean any stock, bond, note, or other
evidence of Indebtedness, or any other security of, investment or partnership
interest in or loan to, such Person.

          "L/C Exposure"  shall mean, at any time, the aggregate maximum amount
available to be drawn under outstanding Letters of Credit at such time.

          "Letter of Credit" shall mean the Existing Letters of Credit and any
commercial or standby letter of credit issued for the account of the Borrower
pursuant to Section 2.2.

          "Letter of Credit Application" shall mean the standard letter of
credit application employed by the Agent, as the issuer of the Letters of
Credit, from time to time in connection with letters of credit.

          "Letter of Credit Payment" shall mean any payment made by the Agent on
behalf of the Lenders under a Letter of Credit, to the extent that such payment
has not been repaid by the Borrower.

          "LIBO Rate" shall mean, with respect to any Interest Period for any
LIBO Rate Loan, the rate per annum (rounded upwards, if necessary, to the
nearest 1/16 of 1%) equal to the average of the offered quotations appearing on
Knight-Ridder Page 62 (or any successor or similar service selected by the Agent
and the Borrower) as of approximately 11:00 a.m., Central Standard or Daylight
Savings Time, as the case may be, on the day two Business Days prior to the
first day of such Interest Period for Dollar deposits in an amount comparable to
the principal amount of such LIBO Rate Loan and having a term comparable to the
Interest Period for such LIBO Rate Loan.  If neither such Knight-Ridder Page 62
nor any successor or similar service is available, the term "LIBO Rate" shall
mean, with respect to any Interest Period for any LIBO Rate Loan, the rate per
annum (rounded upwards if necessary, to the nearest 1/16 of 1%) quoted by the
Agent at approximately 11:00 a.m., London time (or as soon thereafter as
practicable) two Business Days prior to the first day of the Interest Period for
such LIBO Rate Loan for the offering by the Agent to leading banks in the London
interbank market of Dollar deposits in an amount comparable to the principal
amount of such LIBO Rate Loan and having a term comparable to the Interest
Period for such LIBO Rate Loan.

          "LIBO Rate Loan" shall mean any Loan and any portion of the Loan
Balance which the Borrower has requested, in the initial Borrowing Request for
such Loan or a subsequent Borrowing Request for such portion of the Loan
Balance, bear interest at the Adjusted LIBO Rate and which are permitted by the
terms hereof to bear interest at the Adjusted LIBO Rate.

          "Lien" shall mean any interest in Property securing an obligation owed
to, or a claim by, a Person other than the owner of such Property, whether such
interest is based on common law, statute, or contract, and including, but not
limited to, the lien or security interest arising from a mortgage, ship
mortgage, encumbrance, pledge, security agreement, conditional sale or trust
receipt, or a lease, consignment, or bailment for security purposes (other than
true leases or true consignments), liens of mechanics, materialmen, and
artisans, maritime liens and reservations, exceptions, encroachments, easements,
rights of way, covenants, conditions, restrictions, leases, and other title
exceptions and encumbrances affecting Property which secure an obligation owed
to, or a claim by, a Person other than the owner of such Property (for the
purpose of this Agreement, the Borrower shall be deemed to be the owner of any
Property which it has acquired or holds subject to a conditional sale agreement,
financing lease, or other arrangement pursuant to which title to the Property
has been retained by or vested in some other Person for security purposes), and
the filing or recording of any financing statement or other security instrument
in any public office.

          "Limitation Period" shall mean, with respect to any Lender, any period
while any amount remains owing on the Note payable to such Lender and interest
on such amount, calculated at the applicable interest rate, plus any fees or
other sums payable to such Lender under any Loan Document and deemed to be
interest under applicable law, would exceed the amount of interest which would
accrue at the Highest Lawful Rate.

          "Loan" shall mean any loan made by any Lender to or for the benefit of
the Borrower pursuant to this Agreement and any payment made by the Agent or any
Lender under a Letter of Credit.

          "Loan Balance" shall mean, at any time, the outstanding principal
balance of the Notes at such time.

          "Loan Documents" shall mean the Existing Loan Documents, this
Agreement, the Notes, the Guaranty, the Letter of Credit Applications, the
Letters of Credit, the Agency Fee Letter, the Facility Fee Letter, the Related
Facilities Agreement, the Security Instruments, and all other documents and
instruments now or hereafter delivered pursuant to the terms of or in connection
with the Existing Loan Documents, this Agreement, the Notes, the Guaranty, the
Letter of Credit Applications, the Letters of Credit, the Agency Fee Letter, the
Facility Fee Letter, the Related Facilities Agreement, or the Security
Instruments, and all renewals and extensions of, amendments and supplements to,
and restatements of, any or all of the foregoing from time to time in effect.

          "Material Adverse Effect" shall mean any adverse effect upon the
Collateral or the business of the Borrower or the Guarantor or any Affiliate of
the Guarantor which significantly increases the risk that any of the Obligations
will not be repaid as and when due.

          "Maximum Commitment Amount" shall mean the sum of the Commitment
Amounts of all Lenders.

          "Mortgaged Properties" shall mean all Oil and Gas Properties of the
Borrower and/or the Guarantor subject to a perfected first-priority Lien in
favor of the Agent, subject only to Permitted Liens, as security for the
Obligations.

          "Multiemployer Plan" shall mean a Plan which is a multiemployer plan
as defined in Section 4001(a)(3) of ERISA.

          "Net Income" shall mean, for any period, the net income (or loss) of
the Borrower for such period, determined in accordance with GAAP.

          "Notes" shall mean, collectively, each of the promissory notes of the
Borrower payable to a Lender in the amount of the Commitment Amount of such
Lender or such amount in excess thereof as may be agreed to by the Borrower, the
Agent, and such Lender, in the form attached hereto as Exhibit I, with
appropriate insertions, together with all renewals, extensions for any period,
increases, and rearrangements thereof.

          "Obligations" shall mean, without duplication, (a) all Indebtedness
evidenced by the Notes, (b) the obligation of the Borrower to provide to or
reimburse the Agent, as the issuer of Letters of Credit, or the Lenders, as the
case may be, for, amounts payable, paid, or incurred with respect to Letters of
Credit, (c) the undrawn, unexpired amount of all outstanding Letters of Credit,
(d) the obligation of the Borrower for the payment of fees and expenses pursuant
to the Loan Documents, (e) the obligations of the Guarantor under the Guaranty,
and (f) all other obligations and liabilities of the Borrower or the Guarantor
to the Agent and the Lenders, now existing or hereafter incurred, under, arising
out of or in connection with any Loan Document, and to the extent that any of
the foregoing includes or refers to the payment of amounts deemed or
constituting interest, only so much thereof as shall have accrued, been earned
and which remains unpaid at each relevant time of determination.

          "Oil and Gas Properties" shall mean fee, leasehold, or other interests
in or under mineral estates or oil, gas, and other liquid or gaseous hydrocarbon
leases with respect to Properties situated in the United States or offshore from
any State of the United States, including, without limitation, overriding
royalty and royalty interests, leasehold estate interests, net profits
interests, production payment interests, and mineral fee interests, together
with contracts executed in connection therewith and all tenements,
hereditaments, appurtenances and Properties appertaining, belonging, affixed, or
incidental thereto.

          "PBGC" shall mean the Pension Benefit Guaranty Corporation established
pursuant to Subtitle A of Title IV of ERISA or any entity succeeding to any or
all of its functions under ERISA.

          "Percentage Share" shall mean, as to each Lender, the percentage such
Lender's Commitment Amount constitutes of the Maximum Commitment Amount.

          "Permitted Liens" shall mean (a) Liens for taxes, assessments, or
other governmental charges or levies not yet due or which (if foreclosure,
distraint, sale, or other similar proceedings shall not have been initiated) are
being contested in good faith by appropriate proceedings, and such reserve as
may be required by GAAP shall have been made therefor, (b) Liens in connection
with workers' compensation, unemployment insurance or other social security
(other than Liens created by Section 4068 of ERISA), old-age pension, or public
liability obligations which are not yet due or which are being contested in good
faith by appropriate proceedings, if such reserve as may be required by GAAP
shall have been made therefor, (c) Liens in favor of vendors, carriers,
warehousemen, repairmen, mechanics, workmen, and materialmen, and construction
or similar Liens arising by operation of law in the ordinary course of business
in respect of obligations that are not past-due or which are being contested in
good faith by appropriate proceedings, if such reserve as may be required by
GAAP shall have been made therefor, (d) Liens in favor of operators and non-
operators under joint operating agreements or similar contractual arrangements
arising in the ordinary course of the business of the Borrower or the Guarantor
to secure amounts owing, which amounts are not yet due or are being contested in
good faith by appropriate proceedings, if such reserve as may be required by
GAAP shall have been made therefor, (e) Liens under production sales agreements,
division orders, operating agreements, and other agreements customary in the oil
and gas business for processing, producing, and selling hydrocarbons securing
obligations not constituting Indebtedness and provided that such Liens do not
secure obligations to deliver hydrocarbons at some future date without receiving
full payment therefor within 90 days of delivery, (f) easements, rights of way,
restrictions, and other similar encumbrances, and minor defects in the chain of
title which are customarily accepted in the oil and gas financing industry, none
of which interfere with the ordinary conduct of the business of the Borrower or
the Guarantor or materially detract from the value or use of the Property to
which they apply, (g) Liens of record under terms and provisions of the leases,
unit agreements, assignments, and other transfer of title documents in the chain
of title under which the Borrower or the Guarantor acquired the relevant
Property, and (h) Liens created by the Loan Documents and other Liens expressly
permitted under the Security Instruments.

          "Person" shall mean an individual, corporation, partnership, trust,
unincorporated organization, government, any agency or political subdivision of
any government, or any other form of entity.

          "Plan" shall mean, at any time, any employee benefit plan which is
covered by ERISA and in respect of which the Borrower, the Guarantor, or any
Commonly Controlled Entity is (or, if such plan were terminated at such time,
would under Section 4069 of ERISA be deemed to be) an "employer" as defined in
Section 3(5) of ERISA.

          "Principal Office" shall mean the principal office of the Agent in
Houston, Texas, presently located at 910 Travis.

          "Prohibited Transaction" shall have the meaning assigned to such term
in Section 4975 of the Code.

          "Property" shall mean any interest in any kind of property or asset,
whether real, personal or mixed, tangible or intangible.

          "Regulation D" shall mean Regulation D of the Board of Governors of
the Federal Reserve System (or any successor), as amended or supplemented from
time to time.

          "Regulatory Change" shall mean, with respect to any Lender, the
passage, adoption, institution, or modification of any federal, state, local, or
foreign Requirement of Law (including, without limitation, Regulation D), or any
interpretation, directive, or request (whether or not having the force of law)
of any Governmental Authority or monetary authority charged with the
enforcement, interpretation, or administration thereof, occurring after the
Closing Date and applying to a class of lenders including such Lender or its
Applicable Lending Office.

          "Related Facilities Agreement" shall mean the Agreement dated as of
the Closing Date among the Borrower, Howell Crude Oil Company, the Guarantor,
the Agent, and the Lenders, as amended, restated or supplemented from time to
time.

          "Release of Hazardous Substances" shall mean any emission, spill,
release, disposal, or discharge, except in accordance with applicable
Requirements of Law or the terms of a valid permit, license, certificate, or
approval of the relevant Governmental Authority, of any Hazardous Substance, in
amounts in excess of the relevant reportable quantity, into or upon (a) the air,
(b) soils or any improvements located thereon, (c) surface water or groundwater,
or (d) the sewer or septic system, or the waste treatment, storage, or disposal
system servicing any Property of the Borrower or the Guarantor.

          "Reorganization" shall mean, with respect to any Multiemployer Plan,
that such Plan is in reorganization within the meaning of such term in Section
4241 of ERISA.

          "Reportable Event" shall mean any of the events set forth in Section
4043(b) of ERISA, other than those events as to which the thirty-day notice
period is waived under subsections .13, .14, .16, .18, .19 or .20 of PBGC Reg.
2615.

          "Required Lenders" shall mean, at any time when no Loans are
outstanding, Lenders whose Percentage Shares total at least seventy percent
(70%), and, at any time when any Loans are outstanding, Lenders holding at least
seventy percent (70%) of the Loan Balance (without regard to any sale of a
participation in any Loan).

          "Requirement of Law" shall mean, as to any Person, the certificate or
articles of incorporation and bylaws or other organizational or governing
documents of such Person, and any applicable law, treaty, ordinance, order,
judgment, rule, decree, regulation, or determination of an arbitrator, court, or
other Governmental Authority, including, without limitation, rules, regulations,
orders, and requirements for permits, licenses, registrations, approvals, or
authorizations, in each case as such now exist or may be hereafter amended and
are applicable to or binding upon such Person or any of its Property or to which
such Person or any of its Property is subject.

          "Reserve Report" shall mean each report provided by the Borrower
pursuant to Section 5.5.

          "Reserve Requirement" shall mean, for any Interest Period for any LIBO
Rate Loan, the average maximum rate at which reserves (including any marginal,
supplemental, or emergency reserves) are required to be maintained during such
Interest Period under Regulation D by member banks of the Federal Reserve System
in Dallas, Texas, with deposits exceeding one billion Dollars against
"Eurocurrency liabilities" (as such term is used in Regulation D) and any other
reserves required by reason of any Regulatory Change to be maintained by such
member banks against (a) any category of liabilities which includes deposits by
reference to which the LIBO Rate is to be determined as provided herein in the
definition of the term "LIBO Rate" or (b) any category of extensions of credit
or other assets which include a LIBO Rate Loan.

          "Responsible Officer" shall mean, as to any Person, its President, any
Vice President, or its Treasurer.

          "Security Instruments" shall mean the Existing Security Instruments
and the security instruments executed and delivered in satisfaction of the
condition set forth in Section 3.1(g), and all other documents and instruments
at any time executed as security for all or any portion of the Obligations, as
such instruments may be amended, restated, or supplemented from time to time.

          "Single Employer Plan" shall mean any Plan which is covered by Title
IV of ERISA, but which is not a Multiemployer Plan.

          "Subordinated Debt" shall mean Indebtedness (a) the payment of
principal and interest on which is subordinated, upon terms satisfactory to the
Agent and the Required Lenders in their sole discretion, to the repayment in
full of all Obligations, and (b) for which no payments (other than interest
payments) shall be required and no sinking fund or other similar mechanism shall
be established prior to the repayment in full of the Obligations and the
termination of the Commitments.

          "Subsidiary" shall mean, as to any Person, a corporation of which
shares of stock having ordinary voting power (other than stock having such power
only by reason of the happening of a contingency) to elect a majority of the
board of directors or other managers of such corporation are at the time owned,
or the management of which is otherwise controlled, directly or indirectly
through one or more intermediaries, or both, by such Person.

          "Superfund Site" shall mean those sites listed on the Environmental
Protection Agency National Priority List and eligible for remedial action or any
comparable state registries or list in any state of the United States.

          "Tangible Net Worth" shall mean (a) total assets, as would be
reflected on a balance sheet of the Borrower prepared in accordance with GAAP
(except for the omission of footnotes and provision for income taxes), exclusive
of Intellectual Property, experimental or organization expenses, franchises,
licenses, permits, and other intangible assets, treasury stock, unamortized
underwriters' debt discount and expenses, and goodwill minus (b) total
liabilities, as would be reflected on a balance sheet of the Borrower prepared
in accordance with GAAP (except for the omission of footnotes and provision for
income taxes).

          "Total Debt" shall mean, at any time, the total liabilities of the
Guarantor, the Borrower, and all Subsidiaries of the Guarantor, on a
consolidated basis, for borrowed money, capitalized leases, and obligations to
the Department of Energy.

          "UCC" shall mean the Uniform Commercial Code as from time to time in
effect in the State of Texas.

1.3  Undefined Financial Accounting Terms.  Undefined financial accounting terms
used in this Agreement shall be defined according to GAAP at the time in effect.

1.4  References.  References in this Agreement to Exhibit, Article, or Section
numbers shall be to Exhibits, Articles, or Sections of this Agreement, unless
expressly stated to the contrary.  References in this Agreement to "hereby,"
"herein," "hereinafter," "hereinabove," "hereinbelow," "hereof," "hereunder" and
words of similar import shall be to this Agreement in its entirety and not only
to the particular Exhibit, Article, or Section in which such reference appears.

1.5  Articles and Sections.  This Agreement, for convenience only, has been
divided into Articles and Sections; and it is understood that the rights and
other legal relations of the parties hereto shall be determined from this
instrument as an entirety and without regard to the aforesaid division into
Articles and Sections and without regard to headings prefixed to such Articles
or Sections.

1.6  Number and Gender.  Whenever the context requires, reference herein made to
the single number shall be understood to include the plural; and likewise, the
plural shall be understood to include the singular.  Definitions of terms
defined in the singular or plural shall be equally applicable to the plural or
singular, as the case may be, unless otherwise indicated.  Words denoting sex
shall be construed to include the masculine, feminine and neuter, when such
construction is appropriate; and specific enumeration shall not exclude the
general but shall be construed as cumulative.

1.7  Incorporation of Exhibits.  The Exhibits attached to this Agreement are
incorporated herein and shall be considered a part of this Agreement for all
purposes.


                           ARTICLE IITERMS OF FACILITY

2.1  Revolving Line of Credit.  (a) Upon the terms and conditions and relying on
the representations and warranties contained in this Agreement, each Lender
severally agrees to make Loans during the Commitment Period to or for the
benefit of the Borrower in an aggregate principal amount not to exceed at any
time outstanding the lesser of the Commitment Amount of such Lender or the
Percentage Share of such Lender of the Borrowing Base then in effect; provided,
however, that (i) the Loan Balance plus the L/C Exposure shall not exceed at any
time the lesser of the Maximum Commitment Amount or the Borrowing Base then in
effect, and (ii) the sum of the outstanding principal balance of all Loans by
any Lender plus the Percentage Share of such Lender of the L/C Exposure shall
not exceed at any time an amount equal to the Percentage Share of such Lender
multiplied by the lesser of the Maximum Commitment Amount or the Borrowing Base
then in effect.  Loans shall be made from time to time on any Business Day
designated by the Borrower in its Borrowing Request for such Loan.

     Subject to the terms of this Agreement, during the Commitment Period, the
Borrower may borrow, repay, and reborrow, and, from the closing date through
final maturity, convert Loans of one type or with one Interest Period into Loans
of another type or with a different Interest Period.  Except for prepayments
made pursuant to Section 2.12, each borrowing, conversion, and prepayment of
principal of Loans shall be in an amount at least equal to $500,000.  Each
borrowing, prepayment, or conversion of or into a Loan of a different type or,
in the case of a LIBO Rate Loan, having a different Interest Period, shall be
deemed a separate borrowing, conversion, and prepayment for purposes of the
foregoing, one for each type of Loan or Interest Period.  Anything in this
Agreement to the contrary notwithstanding, the aggregate principal amount of
LIBO Rate Loans having the same Interest Period shall be at least equal to
$1,000,000; and if any LIBO Rate Loan would otherwise be in a lesser principal
amount for any period, such Loan shall be a Floating Rate Loan during such
period.

     Not later than 3:00 p.m., Central Standard or Daylight Savings Time, as the
case may be, on the date specified for each borrowing, each Lender shall make
available an amount equal to its Percentage Share of the borrowing to be made on
such date to the Agent, at an account designated by the Agent, in immediately
available funds, for the account of the Borrower.  The amount so received by the
Agent shall, subject to the terms and conditions hereof, be made available to
the Borrower in immediately available funds at the Principal Office.  All Loans
by each Lender shall be maintained at the Applicable Lending Office of such
Lender and shall be evidenced by the Note of such Lender.

     The failure of any Lender to make any Loan required to be made by it
hereunder shall not relieve any other Lender of its obligation to make any Loan
required to be made by it, and no Lender shall be responsible for the failure of
any other Lender to make any Loan.

2.2  Letter of Credit Facility.  (a) Upon the terms and conditions and relying
on the representations and warranties contained in this Agreement, the Agent, as
issuing bank for the Lenders, agrees from the date of this Agreement until the
date which is thirty days prior to the Commitment Termination Date, to issue on
behalf of the Lenders in their respective Percentage Shares Letters of Credit
for the account of the Borrower and to renew and extend such Letters of Credit.
Letters of Credit shall be issued, renewed, or extended from time to time on any
Business Day designated by the Borrower following the receipt in accordance with
the terms hereof by the Agent of the written (or oral, confirmed promptly in
writing) request by a Responsible Officer of the Borrower therefor and a Letter
of Credit Application.  Letters of Credit shall be issued in such amounts as the
Borrower may request; provided, however, that (i) no Letter of Credit shall have
an expiration date which is more than 365 days after the issuance thereof or
subsequent to Final Maturity, (ii) each automatically renewable Letter of Credit
shall provide that it may be terminated by the Agent at its then current expiry
date by not less than 30 days' written notice by the Agent to the beneficiary of
such Letter of Credit, and (iii) the Agent shall not be obligated to issue any
Letter of Credit if (A) the face amount thereof would exceed the Available
Commitment, or (B) after giving effect to the issuance thereof, (I) the L/C
Exposure, when added to the Loan Balance then outstanding, would exceed the
lesser of the Maximum Commitment Amount or the Borrowing Base, or (II) the L/C
Exposure would exceed $5,000,000.

     Prior to any Letter of Credit Payment in respect of any Letter of Credit,
each Lender shall be deemed to be a participant through the Agent with respect
to the relevant Letter of Credit (including, without limitation, the Existing
Letters of Credit) in the obligation of the Agent, as the issuer of such Letter
of Credit, in an amount equal to the Percentage Share of such Lender of the
maximum amount which is or at any time may become available to be drawn
thereunder.  Upon delivery by such Lender of funds requested pursuant to Section
2.2(c), such Lender shall be treated as having purchased a participating
interest in an amount equal to such funds delivered by such Lender to the Agent
in the obligation of the Borrower to reimburse the Agent, as the issuer of such
Letter of Credit, for any amounts payable, paid, or incurred by the Agent, as
the issuer of such Letter of Credit, with respect to such Letter of Credit.

     Each Lender shall be unconditionally and irrevocably liable, without regard
to the occurrence of any Default or Event of Default, to the extent of the
Percentage Share of such Lender at the time of issuance (or, with respect to the
Existing Letters of Credit, on the Closing Date) of each Letter of Credit, to
reimburse, on demand, the Agent, as the issuer of such Letter of Credit, for the
amount of each Letter of Credit Payment under such Letter of Credit.  Each
Letter of Credit Payment shall be deemed to be a Floating Rate Loan by each
Lender to the extent of funds delivered by such Lender to the Agent with respect
to such Letter of Credit Payment and shall to such extent be deemed a Floating
Rate Loan under and shall be evidenced by the Note of such Lender and shall be
payable by the Borrower upon demand by the Agent.

      EACH LENDER AGREES TO INDEMNIFY THE AGENT, AS THE ISSUER OF EACH LETTER OF
CREDIT, AND THE OFFICERS, DIRECTORS, EMPLOYEES, AGENTS, ATTORNEYS-IN-FACT AND
AFFILIATES OF THE AGENT (TO THE EXTENT NOT REIMBURSED BY THE BORROWER AND
WITHOUT LIMITING THE OBLIGATION OF THE BORROWER TO DO SO), RATABLY ACCORDING TO
THE PERCENTAGE SHARE OF SUCH LENDER AT THE TIME OF ISSUANCE OF SUCH LETTER OF
CREDIT, FROM AND AGAINST ANY AND ALL LIABILITIES, CLAIMS, OBLIGATIONS, LOSSES,
DAMAGES, PENALTIES, ACTIONS, JUDGMENTS, SUITS, COSTS, EXPENSES AND DISBURSEMENTS
OF ANY KIND WHATSOEVER WHICH MAY AT ANY TIME (INCLUDING, WITHOUT LIMITATION, ANY
TIME FOLLOWING THE PAYMENT AND PERFORMANCE OF ALL OBLIGATIONS AND THE
TERMINATION OF THIS AGREEMENT) BE IMPOSED ON, INCURRED BY OR ASSERTED AGAINST
THE AGENT AS THE ISSUER OF SUCH LETTER OF CREDIT OR ANY OF ITS OFFICERS,
DIRECTORS, EMPLOYEES, AGENTS, ATTORNEYS-IN-FACT OR AFFILIATES IN ANY WAY
RELATING TO OR ARISING OUT OF THIS AGREEMENT OR SUCH LETTER OF CREDIT OR ANY
ACTION TAKEN OR OMITTED BY THE AGENT AS THE ISSUER OF SUCH LETTER OF CREDIT OR
ANY OF ITS OFFICERS, DIRECTORS, EMPLOYEES, AGENTS, ATTORNEYS-IN-FACT OR
AFFILIATES UNDER OR IN CONNECTION WITH ANY OF THE FOREGOING, INCLUDING, WITHOUT
LIMITATION, ANY LIABILITIES, CLAIMS, OBLIGATIONS, LOSSES, DAMAGES, PENALTIES,
ACTIONS, JUDGMENTS, SUITS, COSTS, EXPENSES AND DISBURSEMENTS IMPOSED, INCURRED
OR ASSERTED AS A RESULT OF THE NEGLIGENCE, WHETHER SOLE OR CONCURRENT, OF THE
AGENT AS THE ISSUER OF SUCH LETTER OF CREDIT OR ANY OF ITS OFFICERS, DIRECTORS,
EMPLOYEES, AGENTS, ATTORNEYS-IN-FACT OR AFFILIATES; PROVIDED THAT NO LENDER
(OTHER THAN THE AGENT AS THE ISSUER OF A LETTER OF CREDIT) SHALL BE LIABLE FOR
THE PAYMENT OF ANY PORTION OF SUCH LIABILITIES, OBLIGATIONS, LOSSES, DAMAGES,
PENALTIES, ACTIONS, JUDGMENTS, SUITS, COSTS, EXPENSES OR DISBURSEMENTS RESULTING
SOLELY FROM THE GROSS NEGLIGENCE OR WILLFUL MISCONDUCT OF THE AGENT AS THE
ISSUER OF A LETTER OF CREDIT.  THE AGREEMENTS IN THIS SECTION 2.2(d) SHALL
SURVIVE THE PAYMENT AND PERFORMANCE OF ALL OBLIGATIONS AND THE TERMINATION OF
THIS AGREEMENT.

2.3  Limitations on Interest Periods.  Each  Interest Period selected by the
Borrower (a) which commences on the last Business Day of a calendar month (or
any day for which there is no numerically corresponding day in the appropriate
subsequent calendar month) shall end on the last Business Day of the appropriate
subsequent calendar month, (b) which would otherwise end on a day which is not a
Business Day shall end on the next succeeding Business Day (or, if such next
succeeding Business Day falls in the next succeeding calendar month, on the next
preceding Business Day), (c) which would otherwise end after Final Maturity
shall end on Final Maturity, and (d) shall have a duration of not less than one
month and, if any Interest Period would otherwise be a shorter period, the
relevant Loan shall be a Floating Rate Loan during such period.

2.4  Limitation on Types of Loans.  Anything herein to the contrary
notwithstanding, no more than five separate Loans shall be outstanding at any
one time, with, for purposes of this Section, all Floating Rate Loans
constituting one Loan and all LIBO Rate Loans for the same Interest Period
constituting one Loan.  Anything herein to the contrary notwithstanding, if, on
or prior to the determination of any interest rate for any LIBO Rate Loan for
any Interest Period therefor:

     (a) the Agent determines (which determination shall be conclusive, absent
manifest error) that quotations of interest rates for the deposits referred to
in the definition of "LIBO Rate" in Section 1.2 are not being provided in the
relevant amounts or for the relevant maturities for purposes of determining the
rate of interest for such Loan as provided in this Agreement; or

     (b) the Agent determines (which determination shall be conclusive, absent
manifest error) that the rates of interest referred to in the definition of
"LIBO Rate" in Section 1.2 upon the basis of which the rate of interest for such
Loan for such Interest Period is to be determined do not accurately reflect the
cost to the Lenders of making or maintaining such Loan for such Interest Period,

then the Agent shall give the Borrower and the Lenders prompt notice thereof
(which notice shall be deemed rebuttably presumptive evidence of the conditions
set forth therein); and so long as such condition remains in effect, the Lenders
shall be under no obligation to make LIBO Rate Loans or to convert Floating Rate
Loans into LIBO Rate Loans, and the Borrower shall, on the last day of the then
current Interest Period for each outstanding LIBO Rate Loan, either prepay such
LIBO Rate Loan or convert such Loan into a Floating Rate Loan in accordance with
Section 2.13.  Before giving such notice pursuant to this Section, the Agent
will take such action as the Borrower may request if such action will avoid the
need to suspend the obligation of the Lenders to make LIBO Rate Loans hereunder
and will not, in the opinion of the Agent, be disadvantageous to the Lenders.

2.5  Use of Loan Proceeds and Letters of Credit.  (a) As of the date hereof,
indebtedness in the amount of $34,300,000 is outstanding under the Existing
Note.  On the Closing Date, each Lender other than Bank One shall pay to Bank
One an amount equal to the Percentage Share of such Lender of the amount of such
outstanding indebtedness.  Such indebtedness shall be renewed, extended, and
rearranged pursuant to the terms of this Agreement and the Notes and shall for
all purposes be deemed a borrowing hereunder.  Proceeds of all subsequent Loans
shall be used solely for general corporate purposes of the Borrower, including
advances and acquisitions not prohibited by the terms hereof.

     Letters of Credit shall be used solely for general corporate purposes of
the Borrower.

2.6  Interest.  (a) Subject to the terms of this Agreement (including, without
limitation, Section 2.20), interest on the Loans shall accrue and be payable at
a rate per annum equal to the Floating Rate for each Floating Rate Loan and the
Adjusted LIBO Rate for each LIBO Rate Loan.  Notwithstanding the foregoing,
interest on past-due principal and, to the extent permitted by applicable law,
past-due interest, shall accrue at the Default Rate and shall be payable upon
demand by the Agent at any time as to all or any portion of such interest.  In
the event that the Borrower fails to select the duration of any Interest Period
for any LIBO Rate Loan within the time period and otherwise as provided herein,
such Loan (if outstanding as a LIBO Rate Loan) will be automatically converted
into a Floating Rate Loan on the last day of the then current Interest Period
for such Loan or (if outstanding as a Floating Rate Loan) will remain as, or (if
not then outstanding) will be made as, a Floating Rate Loan.  Interest provided
for herein shall be calculated on unpaid sums actually advanced and outstanding
pursuant to the terms of this Agreement and only for the period from the date or
dates of such advances until repayment.

          (b)  In the event the ratio of Total Debt to Capitalization as of the
end of any fiscal quarter of the Guarantor is less than or equal to .5 to 1.0,
the Borrower and the Guarantor may give notice, in the form of Exhibit VII, of
such fact to the Agent.  On the Business Day following the receipt by the Agent
of such notice, the Applicable Margin shall be reduced to one and one-half
percent (1-1/2%).  If, at any time thereafter, the ratio of Total Debt to
Capitalization as of the end of any fiscal quarter of the Guarantor is greater
than .5 to 1.0, the Borrower and the Guarantor shall give notice, in the form of
Exhibit VII, of such fact to the Agent.  On the Business Day following the
receipt by the Agent of such notice, the Applicable Margin shall be increased to
two percent (2%) and thereafter shall not be subject to reduction as provided in
the first sentence of this subsection until the ratio of Total Debt to
Capitalization shall have been less than or equal to .5 to 1.0 for two
successive fiscal quarters.

2.7  Repayment of Loans and Interest.  (a) Accrued and unpaid interest on each
outstanding Floating Rate Loan shall be due and payable monthly commencing on
the first day of May, 1995, and continuing on the first day of each calendar
month thereafter while any Floating Rate Loan remains outstanding, the payment
in each instance to be the amount of interest which has accrued and remains
unpaid in respect of the relevant Loan.  Accrued and unpaid interest on each
outstanding LIBO Rate Loan shall be due and payable on the last day of the
Interest Period for such LIBO Rate Loan and, in the case of any Interest Period
in excess of three months, on the day of the third calendar month following the
commencement of such Interest Period corresponding to the day of the calendar
month on which such Interest Period commenced, the payment in each instance to
be the amount of interest which has accrued and remains unpaid in respect of the
relevant Loan.

     The Loan Balance as of the Commitment Termination Date shall be due and
payable in quarterly installments commencing on the first day of September,
1997, and continuing thereafter on the first day of each third calendar month
while any Loan Balance remains outstanding, the payment in each instance to be
established by the Lenders in connection with the then most recent semi-annual
redetermination of the Borrowing Base pursuant to Section 2.11 and communicated
to the Borrower in writing at the time of each such redetermination.  The Loan
Balance, together with all accrued and unpaid interest thereon, shall be due and
payable at Final Maturity.

     At the time of making each payment hereunder or under the Notes, the
Borrower shall specify to the Agent the Loans or other amounts payable by the
Borrower hereunder to which such payment is to be applied.  In the event the
Borrower fails to so specify, or if an Event of Default has occurred and is
continuing, the Agent may apply such payment as it may elect in its sole
discretion and in accordance with the terms hereof.

2.8  General Terms.  (a) The outstanding principal balance of the Note of each
Lender reflected in the records of such Lender shall be deemed rebuttably
presumptive evidence of the principal amount owing on such Note.  The liability
for payment of principal and interest evidenced by each Note shall be limited to
principal amounts actually advanced and outstanding pursuant to this Agreement
and interest on such amounts calculated in accordance with this Agreement.

     Unless the Agent shall have been notified by a Lender or the Borrower prior
to the date on which either of them is scheduled to make payment to the Agent of
(in the case of a Lender) the proceeds of a Loan to be made by such Lender
hereunder or (in the case of the Borrower) a payment to the Agent for the
account of one or more of the Lenders hereunder (such payment being herein
called the "Required Payment"), which notice shall be effective upon receipt,
that such Lender or the Borrower, as the case may be, does not intend to make
the Required Payment to the Agent, the Agent may assume that the Required
Payment has been made and, in reliance upon such assumption, may (but shall not
be required to) make the amount thereof available to the intended recipient on
such date.  If such Lender or the Borrower, as the case may be, has not in fact
made the Required Payment to the Agent, the recipient of such payment shall, on
demand, repay to the Agent for its account the amount so made available together
with interest thereon in respect of each day during the period commencing on the
date such amount was so made available by the Agent until the date the Agent
recovers such amount at a rate per annum equal to, in the case of a Lender as
recipient, the Federal Funds Rate or, in the case of the Borrower as recipient,
the Floating Rate.

2.9  Time, Place, and Method of Payments.  All payments required pursuant to
this Agreement or the Notes shall be made without set-off or counterclaim in
Dollars and in immediately available funds.  All payments by the Borrower shall
be deemed received on the next Business Day following receipt if such receipt is
after 5:00 p.m., Central Standard or Daylight Savings Time, as the case may be,
on any Business Day, and shall be made to the Agent at the Principal Office.
Except as provided to the contrary herein, if the due date of any payment
hereunder or under any Note would otherwise fall on a day which is not a
Business Day, such date shall be extended to the next succeeding Business Day,
and interest shall be payable for any principal so extended for the period of
such extension.

2.10 Pro Rata Treatment; Adjustments.  (a) Except to the extent otherwise
expressly provided herein, (i) each borrowing made pursuant to this Agreement
shall be from the Lenders pro rata in accordance with their Percentage Shares,
(ii) each payment by the Borrower of fees shall be made for the account of the
Lenders pro rata in accordance with their respective Percentage Shares, (iii)
each payment of principal of Loans shall be made for the account of the Lenders
pro rata in accordance with their respective shares of the Loan Balance, and
(iv) each payment of interest on Loans shall be made for the account of the
Lenders pro rata in accordance with their respective shares of the aggregate
amount of interest due and payable to the Lenders.

     The Agent shall distribute all payments with respect to the Obligations to
the Lenders promptly upon receipt in like funds as received.  In the event that
any payments made hereunder by the Borrower at any particular time are
insufficient to satisfy in full the Obligations due and payable at such time,
such payments shall be applied (a) first, to fees and expenses due pursuant to
the terms of this Agreement or any other Loan Document, (b) second, to accrued
interest, (c) third, to the Loan Balance, and (d) last, to any other
Obligations.

     If any Lender (for purposes of this Section, a "benefitted Lender") shall
at any time receive any payment of all or part of its portion of the
Obligations, or receive any Collateral in respect thereof (whether voluntarily
or involuntarily, by set-off, pursuant to events or proceedings of the nature
referred to in Sections 7.1(e) or 7.1(f), or otherwise) in an amount greater
than such Lender was entitled to receive pursuant to the terms hereof, such
benefitted Lender shall purchase for cash from the other Lenders such portion of
the Obligations of such other Lenders or shall provide such other Lenders with
the benefits of any such Collateral or the proceeds thereof as shall be
necessary to cause such benefitted Lender to share the excess payment or
benefits of such Collateral or proceeds with each of the Lenders according to
the terms hereof.  If all or any portion of such excess payment or benefits is
thereafter recovered from such benefitted Lender, such purchase shall be
rescinded and the purchase price and benefits returned by such Lender, to the
extent of such recovery, but without interest.  The Borrower agrees that each
such Lender so purchasing a portion of the Obligations of another Lender may
exercise all rights of payment (including, without limitation, rights of set-
off) with respect to such portion as fully as if such Lender were the direct
holder of such portion.  If any Lender ever receives, by voluntary payment,
exercise of rights of set-off or banker's lien, counterclaim, cross-action or
otherwise, any funds of the Borrower to be applied to the Obligations, or
receives any proceeds by realization on or with respect to any Collateral, all
such funds and proceeds shall be immediately forwarded to the Agent for
distribution in accordance with the terms of this Agreement.

2.11 Borrowing Base Determinations.  (a) The Borrowing Base as of the Closing
Date is acknowledged by the Borrower and the Lenders to be $43,250,000.
Commencing on May 1, 1995, and continuing thereafter on the first day of each
calendar month through the Commitment Termination Date, the amount of the
Borrowing Base shall be reduced by $750,000.

     The Borrowing Base shall be redetermined by the Lenders in their sole
discretion on or before each April 1 and October 1 during the term hereof on the
basis of information supplied by the Borrower in compliance with the provisions
of this Agreement, including, without limitation, Reserve Reports, and all other
information available to the Lenders, subject, in the case of any increase in
the Borrowing Base, to the normal credit approval processes of the Lenders.  In
addition, the Lenders shall, in the normal course of business following a
request of the Borrower, redetermine the Borrowing Base; provided, however, the
Lenders shall not be obligated to redetermine the Borrowing Base more than once
in any three-month period, including, without limitation, each scheduled semi-
annual redetermination provided for above.  Notwithstanding the foregoing, at
the request of any Lender, the Lenders may at their discretion redetermine the
Borrowing Base and the amount by which the Borrowing Base shall be reduced each
calendar month as set forth in Section 2.11(a) at any time and from time to
time, including, without limitation, upon the sale of any assets.

     Upon each determination of the Borrowing Base, the Agent shall notify the
Borrower verbally (confirming such notice promptly in writing) of such
determination, and the Borrowing Base and the amount by which the Borrowing Base
shall be reduced so communicated to the Borrower shall become effective upon
such verbal notification and shall remain in effect until the next subsequent
determination of the Borrowing Base.

     The Borrowing Base shall represent the determination by the Lenders, in
accordance with the applicable definitions and provisions herein contained and
their customary lending practices for loans of this nature, of the value, for
loan purposes, of the Mortgaged Properties, subject, in the case of any increase
in the Borrowing Base, to the normal credit approval processes of the Lenders.
Furthermore, the Borrower acknowledges that the determination of the Borrowing
Base contains an equity cushion (market value in excess of loan value), which is
acknowledged by the Borrower to be essential for the adequate protection of the
Lenders.

2.12 Mandatory Prepayments.  If at any time the sum of the Loan Balance and the
L/C Exposure exceeds the lesser of the Maximum Commitment Amount or the
Borrowing Base then in effect, the Borrower shall, within 30 days of notice from
the Agent of such occurrence, (a) prepay, or make arrangements acceptable to the
Lenders for the prepayment of, the amount of such excess for application on the
Loan Balance, (b) provide additional collateral, of character and value
satisfactory to the Lenders in their sole discretion, to secure the Obligations
by the execution and delivery to the Agent of security instruments in form and
substance satisfactory to the Agent, or (c) effect any combination of the
alternatives described in clauses (a) and (b) of this Section and acceptable to
the Lenders in their sole discretion.  In the event that a mandatory prepayment
is required under this Section and the Loan Balance is less than the amount
required to be prepaid, the Borrower shall repay the entire Loan Balance and, in
accordance with the provisions of the relevant Letter of Credit Applications
executed by the Borrower or otherwise to the satisfaction of the Agent, deposit
with the Agent, as additional collateral securing the Obligations, an amount of
cash, in immediately available funds, equal to the L/C Exposure minus the lesser
of the Maximum Commitment Amount or the Borrowing Base.  The cash deposited with
the Agent in satisfaction of the requirement provided in this Section may be
invested, at the sole discretion of the Agent and then only at the express
direction of the Borrower as to investment vehicle and maturity (which shall be
no later than the latest expiry date of any then outstanding Letter of Credit),
for the account of the Borrower in cash or cash equivalent investments offered
by or through Bank One.

2.13 Voluntary Prepayments and Conversions of Loans.  Subject to applicable
provisions of this Agreement, the Borrower shall have the right at any time or
from time to time to prepay Loans and to convert Loans of one type or with one
Interest Period into Loans of another type or with a different Interest Period;
provided, however, that (a) the Borrower shall give the Agent notice of each
such prepayment or conversion of all or any portion of a LIBO Rate Loan no less
than two Business Days prior to prepayment or conversion, (b) any LIBO Rate Loan
may be prepaid or converted only on the last day of an Interest Period for such
Loan, (c) the Borrower shall pay all accrued and unpaid interest on the amounts
of LIBO Rate Loans prepaid or converted, and (d) no such prepayment or
conversion shall serve to postpone the repayment when due of any Obligation.

2.14 Commitment Fee.  To compensate the Lenders for maintaining funds available,
the Borrower shall pay to the Agent for the account of the Lenders a fee in the
amount of three-eighths of one percent (3/8%) per annum, calculated on the basis
of a year of 365 or 366 days, as the case may be, and actual days elapsed
(including the first day but excluding the last day), on the average daily
amount of the Available Commitment.  Such accrued commitment fees shall be
payable on the first day of July, 1995, and on the first day of each third
calendar month thereafter during the Commitment Period (or within five days
following the notice from the Agent of the amount of such fee owing, if later),
and on the Commitment Termination Date.

2.15 Facility Fee.  To compensate the Lenders for the extension of credit
hereunder, the Borrower shall pay to the Agent for the account of the Lenders on
the Closing Date a facility fee in accordance with the terms of the Facility Fee
Letter.

2.16 Letter of Credit Fee.  The Borrower shall pay to the Agent for the account
of the Lenders, on the date of issuance or renewal of each Letter of Credit, an
issuing fee equal to the greater of $500 or one percent (1%) per annum,
calculated on the basis of a year of 365 or 366 days, as the case may be, and
actual days elapsed (including the first day but excluding the last day), on the
face amount of such Letter of Credit during the period for which such Letter of
Credit is issued or renewed.  The Borrower also agrees to pay on demand to the
Agent for its own account as the issuer of the Letters of Credit its customary
letter of credit transactional fees and expenses, including, without limitation,
amendment fees, payable with respect to each Letter of Credit.

2.17 Agency Fee.  The Borrower shall pay to the Agent for its own account all
fees owing or which may become owing under the Agency Fee Letter as provided
therein.

2.18 Loans to Satisfy Obligations of Borrower.  The Lenders may, but shall not
be obligated to, make Loans for the benefit of the Borrower and apply proceeds
thereof to the satisfaction of any condition, warranty, representation, or
covenant of the Borrower or the Guarantor contained in this Agreement or any
other Loan Document.  Such Loans shall be evidenced by the Notes, shall be made
as a Floating Rate Loan, and shall be payable upon demand.  The Agent agrees to
notify the Borrower of any such Loan; provided, however, the failure of the
Agent or any Lender to do so shall not subject the Agent or any Lender to any
liability and shall not relieve the Borrower from liability for any Obligation.

2.19 Security Interest in Accounts; Right of Offset.  As security for the
payment and performance of the Obligations, the Borrower hereby transfers,
assigns, and pledges to the Agent and each Lender and grants to the Agent and
each Lender a security interest in all funds of the Borrower now or hereafter or
from time to time on deposit with the Agent or such Lender, with such interest
of the Agent and the Lenders to be retransferred, reassigned, and/or released,
as the case may be, at the reasonable expense of the Borrower upon payment in
full and complete performance of all Obligations and the termination of the
Commitments.  All remedies as secured party or assignee of such funds shall be
exercisable by the Agent and the Lenders with the verbal consent (confirmed
promptly in writing) of the Required Lenders upon the occurrence of any Event of
Default, regardless of whether the exercise of any such remedy would result in
any penalty or loss of interest or profit with respect to any withdrawal of
funds deposited in a time deposit account prior to the maturity thereof.
Furthermore, the Borrower hereby grants to the Agent and each Lender the right,
exercisable at such time as any Event of Default shall occur, of offset or
banker's lien against all funds of the Borrower now or hereafter or from time to
time on deposit with the Agent or such Lender, regardless of whether the
exercise of any such remedy would result in any penalty or loss of interest or
profit with respect to any withdrawal of funds deposited in a time deposit
account prior to the maturity thereof.

2.20 General Provisions Relating to Interest.  (a) It is the intention of the
parties hereto to comply strictly with all applicable usury laws.  In this
connection, there shall never be collected, charged, or received on the sums
advanced hereunder interest in excess of that which would accrue at the Highest
Lawful Rate.  For purposes of Article 5069-1.04, Vernon's Texas Civil Statutes,
as amended, the Borrower agrees that the Highest Lawful Rate shall be the
"indicated (weekly) rate ceiling" as defined in such Article, provided that the
Agent and the Lenders may also rely, to the extent permitted by applicable laws,
on alternative maximum rates of interest under other laws, if greater.

     Notwithstanding anything herein or in the Notes to the contrary, during any
Limitation Period, the interest rate to be charged on amounts evidenced by the
Notes shall be the Highest Lawful Rate, and the obligation, if any, of the
Borrower for the payment of fees or other charges deemed to be interest under
applicable law shall be suspended.  During any period or periods of time
following a Limitation Period, to the extent permitted by applicable laws, the
interest rate to be charged hereunder shall remain at the Highest Lawful Rate
until such time as there has been paid to the Agent and each Lender (i) the
amount of interest in excess of that accruing at the Highest Lawful Rate that
such Lender would have received during the Limitation Period had the interest
rate remained at the otherwise applicable rate, and (ii) all interest and fees
otherwise payable to the Agent and such Lender but for the effect of such
Limitation Period.

     If, under any circumstances, the aggregate amounts paid on the Notes or
under this Agreement or any other Loan Document include amounts which by law are
deemed interest and which would exceed the amount permitted if the Highest
Lawful Rate were in effect, the Borrower stipulates that such payment and
collection will have been and will be deemed to have been, to the extent
permitted by applicable laws, the result of mathematical error on the part of
the Borrower, the Agent, and the Lenders; and the party receiving such excess
shall promptly refund the amount of such excess (to the extent only of such
interest payments in excess of that which would have accrued and been payable on
the basis of the Highest Lawful Rate) upon discovery of such error by such party
or notice thereof from the Borrower.   In the event that the maturity of any
Obligation is accelerated, by reason of an election by the Lenders or otherwise,
or in the event of any required or permitted prepayment, then the consideration
constituting interest under applicable laws may never exceed the Highest Lawful
Rate; and excess amounts paid which by law are deemed interest, if any, shall be
credited by the Agent and the Lenders on the principal amount of the
Obligations, or if the principal amount of the Obligations shall have been paid
in full, refunded to the Borrower.

     All sums paid, or agreed to be paid, to the Agent and the Lenders for the
use, forbearance and detention of the proceeds of any advance hereunder shall,
to the extent permitted by applicable law, be amortized, prorated, allocated,
and spread throughout the full term hereof until paid in full so that the actual
rate of interest is uniform but does not exceed the Highest Lawful Rate
throughout the full term hereof.

2.21 Obligations Absolute.  Subject to the further provisions of this Section,
the Obligations of the Borrower under this Article shall be absolute and
unconditional under any and all circumstances and irrespective of any set-off,
counterclaim, or defense to payment or performance which the Borrower may have
or have had against the Agent, any Lender, or any beneficiary of any Letter of
Credit.  The Borrower agrees that none of the Agent or the Lenders shall be
responsible for, nor shall the Obligations be affected by, among other things,
(a) the validity or genuineness of documents or any endorsements thereon
presented in connection with any Letter of Credit, even if such documents shall
in fact prove to be in any and all respects invalid, fraudulent or forged, AND
EVEN IF DUE TO THE NEGLIGENCE, WHETHER SOLE OR CONCURRENT, OF THE AGENT OR ANY
LENDER, so long as the Agent, as the issuer of such Letter of Credit, has no
actual knowledge of any such invalidity, lack of genuineness, fraud, or forgery
prior to the presentment for payment of a corresponding Letter of Credit or any
draft thereunder; provided, however, with respect to the preceding matters in
this Section, the Agent, as the issuer of the Letters of Credit, agrees to
exercise ordinary care in examining each document required to be presented
pursuant to each Letter of Credit to ascertain that each such document appears
on its face to comply with the terms thereof, or (b) any dispute between or
among the Borrower and any beneficiary of any Letter of Credit or any other
party to which any Letter of Credit may be transferred, or any claims whatsoever
of the Borrower against any beneficiary of any Letter of Credit or any such
transferee, EVEN IF DUE TO THE NEGLIGENCE, WHETHER SOLE OR CONCURRENT, OF THE
AGENT OR ANY LENDER; provided, in all respects, that the Agent, as the issuer of
Letters of Credit, shall be liable to the Borrower to the extent, but only to
the extent, of any direct, as opposed to consequential or punitive, damages
suffered by the Borrower as a result of the willful misconduct or gross
negligence of the Agent as the issuer of Letters of Credit in determining
whether documents presented under a Letter of Credit complied with the terms of
such Letter of Credit that resulted in either a wrongful payment under such
Letter of Credit or a wrongful dishonor of a claim or draft properly presented
under such Letter of Credit.  In the absence of gross negligence or willful
misconduct by the Agent as the issuer of Letters of Credit, the Agent shall not
be liable for any error, omission, interruption or delay, EVEN IF DUE TO THE
NEGLIGENCE, WHETHER SOLE OR CONCURRENT, OF THE AGENT, in transmission, dispatch
or delivery of any message or advice, however transmitted, in connection with
any Letter of Credit.  The Agent, the Lenders, and the Borrower agree that any
action taken or omitted by the Agent, as issuer of any Letter of Credit, under
or in connection with any Letter of Credit or the related drafts or documents,
EVEN IF DUE TO THE NEGLIGENCE, WHETHER SOLE OR CONCURRENT, OF THE AGENT OR ANY
LENDER, if done in the absence of gross negligence or willful misconduct, shall
be binding as among the Agent, as issuer of such Letter of Credit or otherwise,
the Lenders, and the Borrower and shall not put the Agent, as issuer of such
Letter of Credit or otherwise, or any Lender under any liability to the
Borrower.

2.22 Yield Protection.  (a) Without limiting the effect of the other provisions
of this Section (but without duplication), the Borrower shall pay to the Agent
and each Lender from time to time such amounts as the Agent or such Lender may
determine are necessary to compensate it for any Additional Costs incurred by
the Agent or such Lender.

     Without limiting the effect of the other provisions of this Section (but
without duplication), the Borrower shall pay to each Lender from time to time on
request such amounts as such Lender may determine are necessary to compensate
such Lender for any costs attributable to the maintenance by such Lender (or any
Applicable Lending Office), pursuant to any Regulatory Change, of capital in
respect of its Commitment, such compensation to include, without limitation, an
amount equal to any reduction of the rate of return on assets or equity of such
Lender (or any Applicable Lending Office) to a level below that which such
Lender (or any Applicable Lending Office) could have achieved but for such
Regulatory Change.

     Without limiting the effect of the other provisions of this Section (but
without duplication), in the event that any Requirement of Law or Regulatory
Change or the compliance by the Agent or any Lender therewith shall (i) impose,
modify, or hold applicable any reserve, special deposit, or similar requirement
against any Letter of Credit or obligation to issue Letters of Credit, or (ii)
impose upon the Agent or such Lender any other condition regarding any Letter of
Credit or obligation to issue Letters of Credit, and the result of any such
event shall be to increase the cost to the Agent or such Lender of issuing or
maintaining any Letter of Credit or obligation to issue Letters of Credit or any
liability with respect to Letter of Credit Payments, or to reduce any amount
receivable in connection therewith, then upon demand by the Agent or such
Lender, as the case may be, the Borrower shall pay to the Agent or such Lender,
from time to time as specified by the Agent or such Lender, additional amounts
which shall be sufficient to compensate the Agent or such Lender for such
increased cost or reduced amount receivable.

     Without limiting the effect of the other provisions of this Section (but
without duplication), the Borrower shall pay to the Agent and each Lender such
amounts as shall be sufficient in the reasonable opinion of the Agent and such
Lender to compensate them for any loss, cost, or expense incurred by and as a
result of:

     any payment, prepayment, or conversion by the Borrower of a LIBO Rate Loan
on a date other than the last day of an Interest Period for such Loan; or

     any failure by the Borrower to borrow a LIBO Rate Loan or to convert a
Floating Rate Loan into a LIBO Rate Loan on the date for such borrowing or
conversion specified in the relevant Borrowing Request;

such compensation to include, without limitation, with respect to any LIBO Rate
Loan, an amount equal to the excess, if any, of (A) the amount of interest which
would have accrued on the principal amount so paid, prepaid, converted, or not
borrowed or converted for the period from the date of such payment, prepayment,
conversion, or failure to borrow or convert to the last day of the then current
Interest Period for such Loan (or, in the case of a failure to borrow or
convert, the Interest Period for such Loan which would have commenced on the
date of such failure to borrow or convert) at the applicable rate of interest
for such Loan provided for herein over (B) the interest component of the amount
the Agent or such Lender would have bid in the London interbank market for
Dollar deposits of amounts comparable to such principal amount and maturities
comparable to such period, as reasonably determined by the Agent or such Lender.

     The Agent or such Lender shall determine for purposes of this Section the
effect of any Regulatory Change on capital maintained, its costs or rate of
return, maintaining Loans, issuing Letters of Credit, its obligation to make
Loans and issue Letters of Credit, or on amounts receivable by it in respect of
Loans, Letters of Credit, or such obligations, and the additional amounts
required to compensate the Agent or such Lender under this Section and shall
furnish the Borrower with a certificate setting forth in reasonable detail the
basis and amount of increased costs incurred or reduced amounts receivable as a
result of any such event.  The statements set forth therein shall be deemed
rebuttably presumptive evidence of such amount.  The Agent or the relevant
Lender shall notify the Borrower, as promptly as practicable after the Agent or
such Lender obtains knowledge of any Additional Costs or other sums payable
pursuant to this Section and determines to request compensation therefor, of any
event occurring after the Closing Date which will entitle the Agent or such
Lender to compensation pursuant to this Section.  If any Lender requests
compensation from the Borrower under this Section, the Borrower may, by notice
to the Agent and such Lender, require that the Loans by the Lender of the type
with respect to which such compensation is requested be converted into Floating
Rate Loans in accordance with Section 2.13.  Any compensation requested by the
Agent or any Lender pursuant to this Section shall be due and payable to the
Agent or such Lender within five days of delivery of any such notice to the
Borrower.

     The Agent and the Lenders agree not to request, and the Borrower shall not
be obligated to pay, any Additional Costs or other sums payable pursuant to this
Section unless similar additional costs and other sums payable are also
generally assessed by the Agent or such Lender against other customers similarly
situated where such customers are subject to documents providing for such
assessment.

2.23 Illegality.  Notwithstanding any other provision of this Agreement, in the
event that it becomes unlawful for any Lender or its Applicable Lending Office
to (a) honor its obligation to make LIBO Rate Loans, or (b) maintain LIBO Rate
Loans, then such Lender shall promptly notify the Agent and the Borrower
thereof.  The obligation of such Lender to make LIBO Rate Loans and to convert
Floating Rate Loans into LIBO Rate Loans shall then be suspended until such time
as such Lender may again make and maintain LIBO Rate Loans, and the outstanding
LIBO Rate Loans of such Lender shall be converted into Floating Rate Loans in
accordance with Section 2.13.  Before giving such notice pursuant to this
Section, such Lender will take such action as the Borrower may request if such
action will avoid the need to suspend the obligation of such Lender to make LIBO
Rate Loans and will not, in the opinion of such Lender, be disadvantageous to
such Lender.

2.24 Taxes.  (a) All payments made by the Borrower under this Agreement shall be
made free and clear of, and without reduction or withholding for or on account
of, present or future income, stamp or other taxes, levies, imposts, duties,
charges, fees, deductions or withholdings, hereafter imposed, levied, collected,
withheld or assessed by any Governmental Authority on the basis of any change
after the date hereof in any applicable treaty, law, rule, guideline or
regulations or in the interpretation or administration thereof, excluding, in
the case of the Agent and each Lender, net income and franchise taxes imposed on
the Agent or such Lender by the jurisdiction under the laws of which the Agent
or such Lender is organized or any political subdivision or taxing authority
thereof or therein, or by any jurisdiction in which such Lender's lending office
is located or any political subdivision or taxing authority thereof or therein
(all such non-excluded taxes, levies, imposts, deductions, charges or
withholdings being hereinafter called "Taxes").  If any Taxes are required to be
withheld from any amounts payable to the Agent or any Lender hereunder or under
any other Loan Document, the amounts so payable to the Agent or such Lender
shall be increased to the extent necessary to yield to the Agent or such Lender
(after payment of all Taxes) interest or any such other amounts payable
hereunder at the rates or in the amounts specified in this Agreement and the
other Loan Documents.  The Agent or the relevant Lender shall, as promptly as
practicable after becoming aware of any Taxes, notify the Borrower thereof; and
notwithstanding the foregoing, unless such Taxes are made retroactive, the
Borrower shall not be obligated for the payment of any Taxes to the extent such
Taxes accrued more than 150 days prior to the earlier of the date of such notice
or the date on which the Borrower otherwise became aware that such Taxes were to
be imposed.  Whenever any Taxes are payable by the Borrower, as promptly as
possible thereafter, the Borrower shall send to the Agent for its own account or
for the account of such Lender, as the case may be, a certified copy of an
original official receipt received by the Borrower showing payment thereof.  If
the Borrower fails to pay any Taxes when due to the appropriate taxing authority
or fails to remit to the Agent the required receipts or other required
documentary evidence, the Borrower shall indemnify the Agent and the Lenders for
any incremental taxes, interest or penalties that may become payable by the
Agent or any Lender as a result of any such failure.  The agreements in this
Section shall survive the termination of this Agreement and the payment of all
Obligations.

     Each Lender that is not incorporated under the laws of the United States of
America or a state thereof agrees that, prior to the first date on which any
payment is due to it hereunder, it will, to the extent it may lawfully do so,
deliver to the Borrower and the Agent two duly completed copies of United States
Internal Revenue Service Form 1001 or 4224 or successor applicable form, as the
case may be, certifying in each case that such Lender is entitled to receive
payments under this Agreement and the Note payable to it, without deduction or
withholding of any United States federal income taxes.  At the written request
of the Borrower, each Lender which delivers to the Borrower and the Agent a Form
1001 or 4224 pursuant to the preceding sentence further undertakes to deliver to
the Borrower and the Agent two further copies of such Form 1001 or 4224, or
successor applicable forms, or other manner of certification, as the case may
be, on or before the date that any such letter or form expires or becomes
obsolete or after the occurrence of any event requiring a change in the most
recent form previously delivered by it to the Borrower, and such extensions or
renewals thereof as may reasonably be requested by the Borrower, certifying in
the case of Form 1001 or 4224 that such Lender is entitled to receive payments
under this Agreement without deduction or withholding of any United States
federal income taxes, unless in any such case, an event (including, without
limitation, any change in treaty, law or regulation) has occurred prior to the
date on which any such delivery would otherwise be required which renders all
such forms inapplicable or which would prevent such Lender from duly completing
and delivering any such form with respect to it and such Lender advises the
Borrower that it is not capable of receiving payments without any deduction or
withholding of United States federal income tax.

2.25 Replacement Lenders.  (a) If any Lender has notified the Borrower of its
incurring additional costs under Section 2.22 or that, pursuant to Section 2.23
or 2.26, its obligation to make or maintain LIBO Rate Loans is to be suspended,
or has required the Borrower to make payments for Taxes under Section 2.24, the
Borrower may, unless such Lender has notified the Borrower that the
circumstances giving rise to such notice no longer apply, terminate, in whole
but not in part, the Commitment of any Lender (other than the Agent) (the
"Terminated Lender") at any time upon five Business Days' prior written notice
to the Terminated Lender and the Agent (such notice referred to herein as a
"Notice of Termination").

     In order to effect the termination of the Commitment of the Terminated
Lender, the Borrower shall (i) with the consent of Lenders holding at least
seventy percent (70%) of the Loan Balance, without regard to any sale of a
participation in any Loan and exclusive of the portion of the Loan Balance
outstanding to the Terminated Lender, pay to the Agent for the account of the
Terminated Lender only, all amounts owing to such Terminated Lender under the
Loan Documents, or (ii) obtain an agreement with one or more Lenders to increase
their Commitments and/or request any one or more other banking institutions to
become a "Lender" in place and instead of such Terminated Lender and agree to
accept a Commitment; provided, however, that such other banking institutions are
reasonably acceptable to the Agent and become parties by executing an Assignment
Agreement (the Lenders or other banking institutions that agree to accept in
whole or in part the Commitment of the Terminated Lender being referred to
herein as the "Replacement Lenders"), such that the aggregate increased and/or
accepted Commitment Amounts of the Replacement Lenders equal the Commitment
Amount of the Terminated Lender.

     The Notice of Termination shall include the name of the Terminated Lender,
the date the termination will occur (the "Termination Date"), the Replacement
Lender or Replacement Lenders to which the Terminated Lender will assign its
Commitment, and, if there will be more than one Replacement Lender, the portion
of the Terminated Lender's Commitment to be assigned to each Replacement Lender.

     On the Termination Date, (i) the Terminated Lender shall by execution and
delivery of an Assignment Agreement assign its Commitment to the Replacement
Lender or Replacement Lenders (pro rata, if there is more than one Replacement
Lender, in proportion to the portion of the Terminated Lender's Commitment to be
assigned to each Replacement Lender) indicated in the Notice of Termination and
shall assign to the Replacement Lender or Replacement Lenders its Loan (if any)
then outstanding pro rata as aforesaid), (ii) the Terminated Lender shall
endorse its Note, payable without recourse, representation or warranty to the
order of the Replacement Lender or Replacement Lenders (pro rata as aforesaid),
(iii) the Replacement Lender or Replacement Lenders shall purchase the Note held
by the Terminated Lender (pro rata as aforesaid) at a price equal to the unpaid
principal amount thereof plus interest and fees accrued and unpaid to the
Termination Date, and (iv) the Replacement Lender or Replacement Lenders will
thereupon (pro rata as aforesaid) succeed to and be substituted in all respects
for the Terminated Lender with like effect as if becoming a Lender pursuant to
the terms of Section 9.1(b), and the Terminated Lender will have the rights and
benefits of an assignor under Section 9.1(b).  To the extent not in conflict,
the terms of Section 9.1(b) shall supplement the provisions of this Section.

2.26 Regulatory Change.  In the event that by reason of any Regulatory Change or
any other circumstance arising after the Closing Date affecting any Lender, such
Lender (a) incurs Additional Costs (other than those incurred as a result of an
increase in the Reserve Requirement) based on or measured by the excess above a
specified level of the amount of a category of deposits or other liabilities of
such Lender which includes deposits by reference to which the interest rate on
any LIBO Rate Loan is determined as provided in this Agreement or a category of
extensions of credit or other assets of such Lender which includes any LIBO Rate
Loan, or (b) becomes subject to restrictions on the amount of such a category of
liabilities or assets which it may hold, then, at the election of such Lender
with notice to the Agent and the Borrower, the obligation of such Lender to make
LIBO Rate Loans and to convert Floating Rate Loans into LIBO Rate Loans shall be
suspended until such time as such Regulatory Change or other circumstance ceases
to be in effect, and all such outstanding LIBO Rate Loans shall be converted
into Floating Rate Loans in accordance with Section 2.13.

2.27 Letters in Lieu of Transfer Orders.  The Agent agrees that none of the
letters in lieu of transfer or division orders previously provided by the
Borrower or subsequently provided pursuant to Section 5.8 will be sent to the
addressees thereof prior to the occurrence of an Event of Default, at which time
the Agent may, at its option and in addition to the exercise of any of its other
rights and remedies, send any or all of such letters.

2.28 Power of Attorney.  The Borrower hereby designates the Agent as its agent
and attorney-in-fact, to act in its name, place, and stead for the purpose of
completing and, upon the occurrence of an Event of Default, delivering any and
all of the letters in lieu of transfer orders currently held by the Agent or
subsequently delivered by the Borrower pursuant to Section 5.8, including,
without limitation, completing any blanks contained in such letters and
attaching exhibits thereto describing the relevant Collateral.  The Borrower
hereby ratifies and confirms all that the Agent shall lawfully do or cause to be
done by virtue of this power of attorney and the rights granted with respect to
such power of attorney.  This power of attorney is coupled with the interests of
the Agent in the Collateral, shall commence and be in full force and effect as
of the Closing Date and shall remain in full force and effect and shall be
irrevocable so long as any Obligation remains outstanding or unpaid or any
Commitment exists.  The powers conferred on the Agent by this appointment are
solely to protect the interests of the Agent and the Lenders under the Loan
Documents and shall not impose any duty upon the Agent to exercise any such
powers.  The Agent shall be accountable only for amounts that it actually
receives as a result of the exercise of such powers and shall not be responsible
to the Borrower or any other Person for any act or failure to act with respect
to such powers, EVEN IF DUE TO THE NEGLIGENCE (WHETHER SOLE OR CONCURRENT) OF
THE AGENT, except for gross negligence or willful misconduct.


                              ARTICLE IIICONDITIONS

3.1  Conditions Precedent to Initial Loan.  The Lenders shall have no obligation
to make the initial Loan unless and until all matters incident to the
consummation of the transactions contemplated herein, including, without
limitation, the review by the Agent or its counsel of the title of the Borrower
to its Oil and Gas Properties shall be satisfactory to the Agent, and the Agent
shall have received, reviewed, and approved multiple counterparts, as requested
by the Agent, of the following documents and other items, appropriately executed
when necessary and, where applicable, acknowledged by one or more authorized
officers of the Borrower or the Guarantor, as the case may be, all in form and
substance satisfactory to the Agent and dated, where applicable, of even date
herewith or a date prior thereto and acceptable to the Agent:

     (a) this Agreement;

     (b) the Guaranty;

     (c) the Notes;

     (d)  copies of the Articles of Incorporation or Certificate of 
Incorporation and all amendments thereto and the bylaws and all amendments 
thereto of the Borrower and the Guarantor, accompanied by a certificate issued
by the secretary or an assistant secretary of the Borrower or the Guarantor, as 
the case may be, to the effect that each such copy is correct and complete;

     (e)  certificates of incumbency and signatures of all officers of the 
Borrower and the Guarantor who are authorized to execute Loan Documents on 
behalf of such entities, each such certificate being executed by the secretary 
or an assistant secretary of the Borrower or the Guarantor, as the case may be;

     (f)  copies of corporate resolutions approving the Loan Documents and
authorizing the transactions contemplated herein and therein, duly adopted by
the boards of directors of the Borrower and the Guarantor, accompanied by
certificates of the secretary or an assistant secretary of the Borrower or the
Guarantor, as the case may be, to the effect that such copies are true and
correct copies of resolutions duly adopted at a meeting or by unanimous consent
of the board of directors of the Borrower or the Guarantor, as the case may be,
and that such resolutions constitute all the resolutions adopted with respect to
such transactions, have not been amended, modified, or revoked in any respect,
and are in full force and effect as of the date of such certificate;

     (g)  the following Security Instruments ratifying, amending, and/or 
restating the Existing Security Instruments, creating, evidencing, perfecting, 
and otherwise establishing Liens in favor of the Agent in and to the Collateral:

          (i)  Ratification of and Amendment to Mortgage, Deed of Trust, 
Indenture, Security Agreement, Assignment of Production, and Financing 
Statement from the Borrower;

         (ii)  Amendment to Act of Pledge of Collateral Mortgage Note from the 
Borrower;

        (iii)  First Act of Supplement and Amendment to Collateral Mortgage and 
Security Agreement from the Borrower;

         (iv)  Security Agreement (Stock Pledge) by the Guarantor covering 100% 
of the stock of the Borrower and Howell Crude Oil Company, accompanied by stock
certificates evidencing such stock and stock powers endorsed in blank;

          (v)  Financing Statement Changes constituent to the documents 
referenced above, as necessary;

         (vi)  Mortgage, Deed of Trust, Indenture, Security Agreement, 
Assignment of Production, and Financing Statement from the Borrower covering 
Oil and Gas Properties of the Borrower and all improvements, personal property, 
and fixtures related thereto; and

        (vii)  Financing Statement constituent to the document referenced above;

     (h)  certificates dated as of a recent date from the Secretary of State or 
other appropriate Governmental Authority evidencing the existence or 
qualification and good standing of the Borrower and the Guarantor in their 
respective jurisdictions of incorporation and in any other jurisdictions where 
either of them does business (other than the State of Oklahoma);

     (i)  results of searches of the UCC Records of the Secretary of State of 
the States of Alabama, Louisiana, Mississippi, Oklahoma, Texas, and Wyoming 
from a source acceptable to the Agent and reflecting no Liens against any of the
Collateral as to which perfection of a Lien is accomplished by the filing of a
financing statement other than in favor of Bank One or the Agent;

     (j)  the opinion of Bracewell & Patterson, L.L.P., counsel to the Borrower 
and the Guarantor, in the form attached hereto as Exhibit VIII, with such 
changes thereto as may be approved by the Agent;

     (k)  the opinion of special counsel to the Agent and the Lenders in each 
of the states of Alabama, Mississippi, and Wyoming, in the form attached hereto 
as Exhibit IX, with such changes thereto as may be approved by the Agent;

     (l)  subordination agreement, in form and substance satisfactory to the 
Agent, executed by the Borrower and the Guarantor and covering the Indebtedness 
of the Borrower to the Guarantor;

     (m)  Notice of Final Agreement executed by the Borrower and the Guarantor;

     (n)  audited consolidated and unaudited consolidating Financial Statements 
of the Guarantor as of December 31, 1994;

     (o)  the Related Facilities Agreement; and

     (p)  such other agreements, documents, instruments, opinions, certificates,
waivers, consents, and evidence as the Agent or any Lender may reasonably
request.

3.2  Conditions Precedent to Each Loan.  The obligations of the Lenders to make
each Loan are subject to the satisfaction of the following additional conditions
precedent:

     (a)  the Borrower shall have delivered to the Agent a Borrowing Request at 
least the requisite time prior to the requested date for the relevant Loan; and 
each statement or certification made in such Borrowing Request shall be true and
correct in all material respects on the requested date for such Loan;

     (b)  no Default or Event of Default shall exist or will occur as a result 
of the making of the requested Loan;

     (c)  if requested by the Agent or any Lender, the Borrower and the 
Guarantor shall have delivered evidence satisfactory to the Agent or such Lender
substantiating any of the matters contained in this Agreement which are
necessary to enable the Borrower to qualify for such Loan;

     (d)  no event shall have occurred which, in the reasonable opinion of the
Lenders, could have a Material Adverse Effect;

     (e)  each of the representations and warranties contained in this Agreement
and the other Loan Documents shall be true and correct and shall be deemed to be
repeated by the Borrower as if made on the requested date for such Loan;

     (f)  the Guaranty and all of the Security Instruments shall be in full 
force and effect and provide to the Lenders the security intended thereby;

     (g)  each of the Borrower and the Guarantor shall hold full legal title to 
the Collateral pledged by such entity and be the sole beneficial owner thereof;

     (h)  the Agent and each Lender shall have received the payment of all fees
payable by the Borrower hereunder and the Agent shall have received
reimbursement from the Borrower, or special legal counsel for the Agent shall
have received payment from the Borrower, for (i) all reasonable fees and
expenses of counsel to the Agent for which the Borrower is responsible pursuant
to applicable provisions of this Agreement and for which invoices have been
presented as of or prior to the date of such Loan, and (ii) estimated fees
charged by filing officers and other public officials incurred or to be incurred
in connection with the filing and recordation of any Security Instruments, for
which invoices have been presented as of or prior to the date of such Loan; and

     (i)  all matters incident to the consummation of the transactions hereby
contemplated shall be satisfactory to the Agent and each Lender.

3.3  Conditions Precedent to Issuance of Letters of Credit.  The obligation of
the Agent, as the issuer of the Letters of Credit, to issue, renew, or extend
any Letter of Credit is subject to the satisfaction of the following additional
conditions precedent:

     (a)  the Borrower shall have delivered to the Agent a written (or oral,
confirmed promptly in writing) request for the issuance, renewal, or extension
of a Letter of Credit at least two Business Days prior to the requested
issuance, renewal, or extension date and a Letter of Credit Application at least
two Business Days prior to the requested issuance date; and each statement or
certification made in such Letter of Credit Application shall be true and
correct in all material respects on the requested date for the issuance of such
Letter of Credit;

     (b)  no Default or Event of Default shall exist or will occur as a result 
of the issuance, renewal, or extension of such Letter of Credit; and

     (c)  the terms, provisions, and beneficiary of the Letter of Credit or such
renewal or extension shall be satisfactory to the Agent, as the issuer of the
Letters of Credit, in its sole discretion.



                    ARTICLE IVREPRESENTATIONS AND WARRANTIES

         To induce the Agent and the Lenders to enter into this Agreement and to
extend credit to the Borrower, the Borrower represents and warrants to the Agent
and each Lender (which representations and warranties shall survive the delivery
of the Notes) that:

4.1  Due Authorization.  The execution and delivery by the Borrower of this
Agreement and the borrowings hereunder, the execution and delivery by the
Borrower of the Notes and the other Loan Documents, the repayment of the Notes
and interest and fees provided for in the Notes and this Agreement, and the
performance of all obligations of the Borrower under the Loan Documents are
within the power of the Borrower, have been duly authorized by all necessary
corporate action by the Borrower, and do not and will not (a) require the
consent of any Governmental Authority, (b) contravene or conflict with any
Requirement of Law, (c) contravene or conflict with any indenture, instrument,
or other agreement to which the Borrower is a party or by which any Property of
the Borrower may be presently bound or encumbered, or (d) result in or require
the creation or imposition of any Lien in, upon or of any Property of the
Borrower other than as contemplated by the Loan Documents.

4.2  Corporate Existence.  The Borrower is a corporation duly organized, legally
existing, and in good standing under the laws of its state of incorporation and
is duly qualified as a foreign corporation and is in good standing in all
jurisdictions wherein the ownership of Property or the operation of its business
necessitates same, other than those jurisdictions wherein the failure to so
qualify will not have a Material Adverse Effect.

4.3  Valid and Binding Obligations.  All Loan Documents to which the Borrower is
a party, when duly executed and delivered by the Borrower, will be the legal,
valid, and binding obligations of the Borrower, enforceable against the Borrower
in accordance with their respective terms.

4.4  Security Instruments.  The provisions of each Security Instrument executed
by the Borrower are effective to create in favor of the Agent, a legal, valid,
and enforceable Lien in all right, title, and interest of the Borrower in the
Collateral described therein, which Liens, assuming the accomplishment of
recording and filing in accordance with applicable laws prior to the
intervention of rights of other Persons, shall constitute fully perfected
first-priority Liens on all right, title, and interest of the Borrower in the
Collateral described therein.

4.5  Title to Assets.  The Borrower has good and indefeasible title to all of
its Oil and Gas Properties, free and clear of all Liens except Permitted Liens,
and owns all of its other Properties free and clear of all Liens except
Permitted Liens.

4.6  Scope and Accuracy of Financial Statements.  The Financial Statements of
the Borrower as of September 30, 1994, present fairly the financial position and
results of operations and cash flows of the Borrower in accordance with GAAP
(except for the omission of footnotes and provision for income taxes) as at the
relevant point in time or for the period indicated, as applicable, subject to
normal year-end audit adjustments.  No event or circumstance has occurred since
September 30, 1994, which could reasonably be expected to have a Material
Adverse Effect.

4.7  No Material Misstatements.  No information, exhibit, statement, or report
furnished to the Agent or any Lender by or at the direction of the Borrower in
connection with this Agreement contains any material misstatement of fact or
omits to state a material fact or  any fact necessary to make the statements
contained therein not misleading as of the date made or deemed made in light of
the circumstances in which they were made.

4.8  Liabilities, Litigation, and Restrictions.  Other than as disclosed in the
Financial Statements provided to the Lenders on or before the Closing Date, the
Borrower has no liabilities, direct, or contingent, which may materially and
adversely affect its business or operations or its ownership of the Collateral.
Except as disclosed in writing to the Lenders on the Closing Date, no litigation
or other action of any nature affecting the Borrower in which the amount in
controversy exceeds $100,000 is pending before any Governmental Authority or, to
the best knowledge of the Borrower, threatened against or affecting the
Borrower.  No unusual or unduly burdensome restriction, restraint or hazard
exists by contract, Requirement of Law, or otherwise relative to the business or
operations of the Borrower or the ownership and operation of the Collateral
other than such as relate generally to Persons engaged in business activities
similar to those conducted by the Borrower, the effect of which could reasonably
be expected to have a Material Adverse Effect.

4.9  Authorizations; Consents.  Except as expressly contemplated by this
Agreement, no authorization, consent, approval, exemption, franchise, permit, or
license of, or filing with, any Governmental Authority or any other Person is
required to authorize or is otherwise required in connection with the valid
execution and delivery by the Borrower of the Loan Documents or any instrument
contemplated hereby, the repayment by the Borrower of the Notes and interest and
fees provided in the Notes and the other Loan Documents, or the performance by
the Borrower of the Obligations.

4.10 Compliance with Laws.  The Borrower and its Property, including, without
limitation, the Mortgaged Property, are in compliance with all applicable
Requirements of Law, including, without limitation, Environmental Laws, the
Natural Gas Policy Act of 1978, as amended, and ERISA, except to the extent non-
compliance with any such Requirements of Law could not reasonably be expected to
have a Material Adverse Effect.

4.11 ERISA.  No Reportable Event has occurred with respect to any Single
Employer Plan, and each Single Employer Plan has complied with and been
administered in all material respects in accordance with applicable provisions
of ERISA and the Code.  To the best knowledge of the Borrower, (a) no Reportable
Event has occurred with respect to any Multiemployer Plan, and (b) each
Multiemployer Plan has complied with and been administered in all material
respects with applicable provisions of ERISA and the Code.  The present value of
all benefits vested under each Single Employer Plan maintained by the Borrower
or any Commonly Controlled Entity (based on the assumptions used to fund such
Plan) did not, as of the last annual valuation date applicable thereto, exceed
the value of the assets of such Plan allocable to such vested benefits.  Neither
the Borrower nor any Commonly Controlled Entity has had a complete or partial
withdrawal from any Multiemployer Plan for which there is any withdrawal
liability.  As of the most recent valuation date applicable to any Multiemployer
Plan, neither the Borrower nor any Commonly Controlled Entity would become
subject to any liability under ERISA if the Borrower or such Commonly Controlled
Entity were to withdraw completely from such Multiemployer Plan.  Neither the
Borrower nor any Commonly Controlled Entity has received notice that any
Multiemployer Plan is Insolvent or in Reorganization.  To the best knowledge of
the Borrower, no such Insolvency or Reorganization is reasonably likely to
occur.  The Borrower has no reason to believe that the annual cost during the
term of this Agreement to the Borrower and all Commonly Controlled Entities for
post-retirement benefits to be provided to the current and former employees of
the Borrower and all Commonly Controlled Entities under Plans which are welfare
benefit plans (as defined in Section 3(1) of ERISA) will, in the aggregate, have
a Material Adverse Effect.

4.12 Environmental Laws.  (a)      No Property of the Borrower is currently on
or has ever been on, or, to the knowledge of the Borrower, is adjacent to any
Property which is on or has ever been on, any federal or state list of Superfund
Sites.

      (b)  To the knowledge of the Borrower, no Hazardous Substances have been
generated, transported, and/or disposed of by the Borrower at a site which was,
at the time of such generation, transportation, and/or disposal, or has since
become, a Superfund Site.

      (c) No Release of Hazardous Substances by the Borrower or from, affecting,
or related to any Property of the Borrower or, to the knowledge of the Borrower,
any Property adjacent to any Property of the Borrower, has occurred which could
reasonably be expected to have a Material Adverse Effect.

     (d)  No Environmental Complaint has been received by the Borrower which has
not been satisfactorily resolved.

4.13 Compliance with Federal Reserve Regulations.  No transaction contemplated
by the Loan Documents is in violation of any regulations promulgated by the
Board of Governors of the Federal Reserve System, including, without limitation,
Regulations G, T, U, or X.

4.14 Investment Company Act Compliance.  The Borrower is not, nor is the
Borrower directly or indirectly controlled by or acting on behalf of any Person
which is, an "investment company" or an "affiliated person" of an "investment
company" within the meaning of the Investment Company Act of 1940, as amended.

4.15 Public Utility Holding Company Act Compliance.  The Borrower is not a
"holding company," or an "affiliate" of a "holding company" or of a "subsidiary
company" of a "holding company," within the meaning of the Public Utility
Holding Company Act of 1935, as amended.

4.16 Proper Filing of Tax Returns; Payment of Taxes Due.  All United States
income tax returns and all other tax returns which are required to be filed on
behalf of the Borrower have been filed, and all taxes owing by the Borrower and
the Guarantor have been paid except such as are being contested in good faith
and as to which adequate provisions and disclosures have been made in accordance
with GAAP.  The respective charges and reserves on the books of the Borrower and
the Guarantor with respect to taxes and other governmental charges are adequate.

4.17 Refunds.  No orders of, proceedings pending before, or other requirements
of, the Federal Energy Regulatory Commission, the Texas Railroad Commission, or
any Governmental Authority exist which could result in the Borrower being
required to refund any material portion of the proceeds received or to be
received from the sale of hydrocarbons constituting part of the Mortgaged
Property.

4.18 Gas Contracts.  The Borrower (a) is not obligated in any material respect
by virtue of any prepayment made under any contract containing a "take-or-pay"
or "prepayment" provision or under any similar agreement to deliver hydrocarbons
produced from or allocated to any of the Mortgaged Property at some future date
without receiving full payment therefor at the time of delivery, and (b) has not
produced gas, in any material amount, subject to, and neither the Borrower nor
any of the Mortgaged Properties is subject to, balancing rights of third parties
or subject to balancing duties under governmental requirements, except as to
such matters for which the Borrower has established monetary reserves adequate
in amount to satisfy such obligations and has segregated such reserves from
other accounts.

4.19 Intellectual Property.  The Borrower owns or is licensed to use all
Intellectual Property necessary to conduct all business material to its
condition (financial or otherwise), business, or operations as such business is
currently conducted.  No claim has been asserted or is pending by any Person
with the respect to the use of any such Intellectual Property or challenging or
questioning the validity or effectiveness of any such Intellectual Property; and
the Borrower knows of no valid basis for any such claim.  The use of such
Intellectual Property by the Borrower does not infringe on the rights of any
Person, except for such claims and infringements as do not, in the aggregate,
give rise to any material liability on the part of the Borrower.

4.20 Casualties or Taking of Property.  Since September 30, 1994, neither the
business nor any Property of the Borrower has been materially adversely affected
as a result of any fire, explosion, earthquake, flood, drought, windstorm,
accident, strike or other labor disturbance, embargo, requisition or taking of
Property, or cancellation of contracts, permits, or concessions by any
Governmental Authority, riot, activities of armed forces, or acts of God.

4.21 Locations of Borrower.  The principal place of business and chief executive
office of the Borrower is located at the address of the Borrower set forth for
the Borrower on the signature pages hereof or at such other location as the
Borrower may have, by proper written notice hereunder, advised the Agent and the
Lenders, provided that such other location is within a state in which
appropriate financing statements from the Borrower in favor of the Agent have
been filed.

4.22 Subsidiaries.  The Borrower has no Subsidiaries except those described on
Exhibit X under the heading "Subsidiaries of Borrower", and the Guarantor has no
Subsidiaries except those described on Exhibit X under the heading "Subsidiaries
of Guarantor".


                         ARTICLE VAFFIRMATIVE COVENANTS

          So long as any Obligation remains outstanding or unpaid or any
Commitment exists, the Borrower shall:

5.1  Maintenance and Access to Records.  Keep adequate records, in accordance
with GAAP, of all its transactions so that at any time, and from time to time,
its true and complete financial condition may be readily determined, and
promptly following the reasonable request of the Agent or any Lender, make such
records available for inspection by the Agent or any Lender and, at the expense
of the Borrower, allow the Agent or any Lender to make and take away copies
thereof.

5.2  Monthly Financial Reports.  Deliver to the Agent and each Lender, on or
before the 30th day after the close of each calendar month, the management
information report prepared by the Borrower containing information regarding
volumes of production, pricing, finding and lifting costs, authorizations for
expenditures, and capital expenditures and a monthly balance sheet and income
statement.

5.3  Quarterly Financial Statements; Compliance Certificates.  Deliver to the
Agent and each Lender, on or before the 45th day after the close of each of the
first three quarterly periods of each fiscal year of the Borrower, (a) a copy of
the unaudited consolidated and consolidating Financial Statements of the
Borrower and the Guarantor as at the close of such quarterly period and from the
beginning of such fiscal year to the end of such period, such Financial
Statements to be certified by the chief financial officer of the Borrower and
the Guarantor as having been prepared in accordance with GAAP (except for the
omission of footnotes and provision for income taxes in the separate financial
statements of the Borrower not consolidated with the Guarantor) consistently
applied and as a fair presentation of the condition of the Borrower and the
Guarantor, subject to changes resulting from normal year-end audit adjustments,
and (b) a Compliance Certificate, together with a schedule setting forth the
calculation of the financial matters set forth in such Compliance Certificate.

5.4  Annual Financial Statements; Compliance Certificates.  Deliver to the Agent
and each Lender, on or before the 90th day after the close of each fiscal year
of the  Borrower, (a) a copy of the annual unaudited consolidated and
consolidating Financial Statements of the Borrower, certified by the chief
financial officer of the Borrower as having been prepared in accordance with
GAAP (except for the omission of footnotes and provision for income taxes)
consistently applied and as a fair presentation of the condition of the
Borrower, (b) a copy of the annual audited consolidated and unaudited
consolidating Financial Statements of the Guarantor, and (c) a Compliance
Certificate, together with a schedule setting forth the calculation of the
financial matters set forth in such Compliance Certificate.

5.5  Oil and Gas Reserve Reports.  (a) Deliver to the Agent and each Lender no
later than March 1 of each year during the term of this Agreement, engineering
reports meeting the reporting requirements of the Securities and Exchange
Commission, certified by H. J. Gruy and Associates, Inc. or any nationally-or
regionally-recognized independent consulting petroleum engineers acceptable to
the Agent as fairly and accurately setting forth, as of January 1 of such year,
(i) the proven and producing, shut-in, behind-pipe, and undeveloped oil and gas
reserves (separately classified as such) attributable to the Oil and Gas
Properties of the Borrower, (ii) the aggregate present value of the future net
income with respect to such Oil and Gas Properties, discounted at a stated per
annum discount rate of proven and producing reserves, and (iii) projections of
the annual rate of production, gross income, and net income with respect to such
proven and producing reserves.

     Deliver to the Agent and each Lender no later than September 1 of each year
during the term of this Agreement, engineering reports in form and substance
satisfactory to the Lender prepared by or under the supervision of the chief
petroleum engineer of the Borrower evaluating the Oil and Gas Properties of the
Borrower as of July 1 of the year for which such reserve reports are furnished
and updating the information provided in the reports pursuant to Section 5.5(a).

     Each of the reports provided pursuant to this Section shall be submitted to
the Agent and each Lender together with additional data concerning pricing,
quantities of production from the Oil and Gas Properties of the Borrower,
volumes of production sold, purchasers of production, gross revenues, expenses,
the "take-or-pay," "prepayment," and gas-balancing liabilities of the Borrower,
and such other information and engineering and geological data with respect
thereto as the Agent or any Lender may reasonably request.

5.6  Title Opinions; Title Defects.  Within 30 days of request by the Agent,
furnish to the Agent title opinions, in form and substance and by counsel
satisfactory to the Agent, or other confirmation of title acceptable to the
Agent, covering such Mortgaged Properties as may be requested by the Agent; and
promptly, but in any event within 60 days after notice by the Agent of any
defect, material in the opinion of the Agent in value, in the title of the
Borrower to any of the Mortgaged Properties, clear such title defects, and, in
the event any such title defects are not cured in a timely manner, pay all
related costs and fees incurred by the Agent to do so.

5.7  Notices of Certain Events.  (a)  Deliver to the Agent and each Lender, 
promptly upon having knowledge of the occurrence of any of the following events
or circumstances, a written statement with respect thereto, signed by a 
Responsible Officer of the Borrower and setting forth the relevant event or 
circumstance and the steps being taken by the Borrower or the Guarantor with 
respect to such event or circumstance:

     (b)  any Default or Event of Default;

     (c)  any default or event of default under any contractual obligation of
the Borrower or the Guarantor, or any litigation, investigation, or proceeding
between the Borrower or the Guarantor and any Governmental Authority which, in
either case, if not cured or if adversely determined, as the case may be, could
reasonably be expected to have a Material Adverse Effect;

     (d)  any litigation or proceeding involving the Borrower or the Guarantor 
as a defendant or in which any Property of the Borrower or the Guarantor is 
subject to a claim and in which the amount involved is $1,000,000 or more and 
which is not covered by insurance or which affects title to any Collateral or 
in which injunctive or similar relief is sought;

     (e)  the receipt by the Borrower of any Environmental Complaint or any 
formal request from any Governmental Authority for information (other than 
requirements for compliance reports) regarding any Release of Hazardous 
Substances by the Borrower or from, affecting, or related to any Property of the
Borrower, the effect of which could reasonably be expected to have a Material 
Adverse Effect; 

     (f)  any actual, proposed, or threatened testing or other investigation by 
any Governmental Authority concerning the environmental condition of, or 
relating to, any Property of the Borrower following any allegation of a 
violation of any Requirement of Law, the effect of which could reasonably be 
expected to have a Material Adverse Effect;

     (g)  any Release of Hazardous Substances by the Borrower or from, 
affecting, or related to any Property of the Borrower or the violation of any 
Environmental Law, or the revocation, suspension, or forfeiture of or failure to
renew, any permit, license, registration, approval, or authorization which could
reasonably be expected to have a Material Adverse Effect;

     (h)  any Reportable Event or imminently expected Reportable Event with 
respect to any Plan; any withdrawal from, or the termination, Reorganization or
Insolvency of, any Multiemployer Plan; the institution of proceedings or the
taking of any other action by the PBGC, the Borrower, the Guarantor or any
Commonly Controlled Entity or Multiemployer Plan with respect to the withdrawal
from, or the termination, Reorganization or Insolvency of, any Single Employer
Plan or Multiemployer Plan; or any Prohibited Transaction in connection with any
Plan or any trust created thereunder, the effect of which could reasonably be
expected to have a Material Adverse Effect, and the action being taken by the
Internal Revenue Service with respect thereto; and

     (i)  any other event or condition which could reasonably be expected to 
have a Material Adverse Effect.

5.8  Letters in Lieu of Transfer Orders; Division Orders.  Promptly upon request
by the Agent at any time and from time to time, and without limitation on the
rights of the Lender pursuant to Sections 2.27 and 2.28, execute such letters in
lieu of transfer orders and/or division and/or transfer orders as are necessary
or appropriate to transfer and deliver to the Agent proceeds from or
attributable to any Mortgaged Property.

5.9  Additional Information.  Furnish to the Agent and each Lender, within five
days after any material report (other than financial statements) or other
material communication is sent by the Borrower or the Guarantor to its
stockholders (in their capacity as stockholders) or filed by the Borrower or the
Guarantor with the Securities and Exchange Commission or any successor or
analogous Governmental Authority, copies of such report or communication and,
promptly upon the request of the Agent or any Lender, such additional financial
or other information concerning the assets, liabilities, operations, and
transactions of the Borrower as the Agent or any Lender may from time to time
request; and notify the Agent not less than ten Business Days prior to the
occurrence of any condition or event that may change the proper location for the
filing of any financing statement or other public notice or recording for the
purpose of perfecting a Lien in any Collateral, including, without limitation,
any change in its name or the location of its principal place of business or
chief executive office; and upon the request of the Agent, execute such
additional Security Instruments as may be necessary or appropriate in connection
therewith.

5.10 Compliance with Laws.  Except to the extent the failure to comply or cause
compliance would not have a Material Adverse Effect, (a) comply with all
applicable Requirements of Law, including, without limitation, (i) the Natural
Gas Policy Act of 1978, as amended, (ii) ERISA, (iii) Environmental Laws, and
(iv) all permits, licenses, registrations, approvals, and authorizations (A)
related to any natural or environmental resource or media located on, above,
within, in the vicinity of, related to or affected by any Property of the
Borrower, (B) required for the performance of the operations of the Borrower, or
(C) applicable to the use, generation, handling, storage, treatment, transport,
or disposal of any Hazardous Substances; and (b) cause all employees, crew
members, agents, contractors, subcontractors, and future lessees (pursuant to
appropriate lease provisions) of the Borrower, while such Persons are acting
within the scope of their relationship with the Borrower, to comply with all
such Requirements of Law as may be necessary or appropriate to enable the
Borrower to so comply.

5.11 Payment of Assessments and Charges.  Pay all taxes, assessments,
governmental charges, rent, and other Indebtedness which, if unpaid, might
become a Lien against the Property of the Borrower, except any of the foregoing
being contested in good faith and as to which adequate reserve in accordance
with GAAP has been established or unless failure to pay would not have a
Material Adverse Effect; and provide evidence satisfactory to the Agent of the
payment by the Guarantor of its obligations to the Department of Energy promptly
after the making of each such payment by the Guarantor.

5.12 Maintenance of Corporate Existence and Good Standing.  Maintain its
corporate existence or qualification and good standing in its jurisdictions of
incorporation and in all jurisdictions wherein the Property now owned or
hereafter acquired or business now or hereafter conducted necessitates same
except to the extent the failure to do so would not have a Material Adverse
Effect.

5.13 Further Assurances.  Promptly cure any defects in the execution and
delivery of any of the Loan Documents and all agreements contemplated thereby,
and execute, acknowledge, and deliver such other assurances and instruments and
take such action as shall, in the opinion of the Agent, be necessary to fulfill
the terms of the Loan Documents and to perfect and maintain the perfection of
the Liens on the Collateral.

5.14 Fees and Expenses.  (a) Upon request by the Agent, promptly pay all
reasonable fees and expenses of the Agent in connection with the preparation,
negotiation, syndication, execution, delivery, administration, and enforcement
of this Agreement and the other Loan Documents and any amendments, restatements,
or supplements thereto, and the satisfaction of the conditions precedent set
forth herein, the filing and recordation of Security Instruments, and the
consummation of the transactions contemplated in the Loan Documents, including,
without limitation, attorneys' fees and expenses.

          (b) Within five days of the request by the Agent, pay (to the fullest
extent permitted by law) all amounts reasonably expended, advanced, or incurred
by or on behalf of the Agent or any Lender (excluding overhead and internal
charges of the Agent or any Lender) to satisfy any obligation of the Borrower
under any of the Loan Documents; to collect the Obligations; to enforce the
rights of the Agent and the Lenders under any of the Loan Documents; and to
protect the Properties or business of the Borrower and the Guarantor, including,
without limitation, the Collateral, which amounts shall be deemed compensatory
in nature and liquidated as to amount upon notice to the Borrower by the Agent
and which amounts shall include, but not be limited to (i) all court costs, (ii)
reasonable fees and expenses of legal counsel, auditors, accountants, engineers,
and environmental and insurance consultants, (iii) fees and expenses incurred in
connection with the participation by the Agent and the Lenders as members of the
creditors' committee in a case commenced under any Insolvency Proceeding, (iv)
fees and expenses incurred in connection with lifting the automatic stay
prescribed in 362 Title 11 of the United States Code, and (v) fees and expenses
incurred in connection with any action pursuant to 1129 Title 11 of the United
States Code all reasonably incurred by the Agent and the Lenders in connection
with the collection of any sums due under the Loan Documents, together with
interest at the per annum interest rate equal to the Default Rate on each such
amount from the date of notification that the same was expended, advanced, or
incurred by the Agent or such Lender until the date it is repaid to the Agent or
such Lender, with the obligations under this Section surviving the non-
assumption of this Agreement in a case commenced under any Insolvency Proceeding
and being binding upon the Borrower and/or a trustee, receiver, custodian, or
liquidator of the Borrower appointed in any such case.

5.15 Operation of Oil and Gas Properties.  Develop, maintain, and operate its
Oil and Gas Properties in a prudent and workmanlike manner in accordance with
industry standards.

5.16 Maintenance and Inspection of Properties.  Maintain all of its tangible
Properties in good repair and condition, ordinary wear and tear excepted, make
all necessary replacements thereof, and operate such Properties in a good and
workmanlike manner unless the failure to do so would not have a Material Adverse
Effect; and permit any authorized representative of the Agent or any Lender to
visit and inspect, at the expense of the Borrower, any tangible Property of the
Borrower.

5.17 Maintenance of Insurance.  Maintain insurance with respect to its
Properties and businesses against such liabilities, casualties, risks, and
contingencies as is customary in the relevant industry and sufficient to prevent
a Material Adverse Effect, all such insurance to be in amounts and from insurers
acceptable to the Agent and, within 60 days of the Closing Date for property
damage insurance covering Oil and Gas Properties of the Borrower and business
interruption insurance, if any, maintained by the Borrower, naming the Agent as
loss payee, and, upon any renewal of any such insurance and at other times upon
request by the Agent, furnish to the Agent evidence, satisfactory to the Agent,
of the maintenance of such insurance.  The Agent shall have the right to
collect, and the Borrower hereby assigns to the Agent, any and all monies that
may become payable under any policies of insurance relating to business
interruption or by reason of damage, loss, or destruction of any of the Oil and
Gas Properties of the Borrower.  In the event of any damage, loss, or
destruction for which insurance proceeds relating to business interruption or
Oil and Gas Properties of the Borrower exceed $250,000, the Agent may, at its
option, apply all such sums or any part thereof received by it toward the
payment of the Obligations, whether matured or unmatured, application to be made
first to interest and then to principal, and shall deliver to the Borrower the
balance, if any, after such application has been made.  In the event of any such
damage, loss, or destruction for which insurance proceeds are $250,000 or less,
provided that no Default or Event of Default has occurred and is continuing, the
Agent shall deliver any such proceeds received by it to the Borrower.  In the
event the Agent receives insurance proceeds not attributable to Oil and Gas
Properties or business interruption, the Agent shall deliver any such proceeds
to the Borrower.

5.18 Maintenance of Operating Accounts.  Maintain its primary operating accounts
with Bank One.

5.19 Indemnification.  INDEMNIFY AND HOLD THE AGENT AND EACH OF THE LENDERS AND
THEIR RESPECTIVE SHAREHOLDERS, OFFICERS, DIRECTORS, EMPLOYEES, AGENTS, 
ATTORNEYS-IN-FACT, AND AFFILIATES AND EACH TRUSTEE FOR THE BENEFIT OF THE AGENT
OR THE LENDERS UNDER ANY SECURITY INSTRUMENT HARMLESS FROM AND AGAINST ANY AND 
ALL CLAIMS, LOSSES, DAMAGES, LIABILITIES, FINES, PENALTIES, CHARGES, 
ADMINISTRATIVE AND JUDICIAL PROCEEDINGS AND ORDERS, JUDGMENTS, REMEDIAL ACTIONS,
REQUIREMENTS AND ENFORCEMENT ACTIONS OF ANY KIND, AND ALL COSTS AND EXPENSES 
INCURRED IN CONNECTION THEREWITH (INCLUDING, WITHOUT LIMITATION, ATTORNEYS' FEES
AND EXPENSES), ARISING DIRECTLY OR INDIRECTLY, IN WHOLE OR IN PART, FROM (A) THE
PRESENCE OF ANY HAZARDOUS SUBSTANCES ON, UNDER, OR FROM ANY PROPERTY OF THE
BORROWER, WHETHER PRIOR TO OR DURING THE TERM HEREOF, (B) ANY ACTIVITY CARRIED
ON OR UNDERTAKEN ON OR OFF ANY PROPERTY OF THE BORROWER, WHETHER PRIOR TO OR
DURING THE TERM HEREOF, AND WHETHER BY THE BORROWER OR ANY PREDECESSOR IN TITLE,
EMPLOYEE, AGENT, CONTRACTOR, OR SUBCONTRACTOR OF THE BORROWER OR ANY OTHER
PERSON AT ANY TIME OCCUPYING OR PRESENT ON SUCH PROPERTY, IN CONNECTION WITH THE
HANDLING, TREATMENT, REMOVAL, STORAGE, DECONTAMINATION, CLEANUP, TRANSPORTATION,
OR DISPOSAL OF ANY HAZARDOUS SUBSTANCES AT ANY TIME LOCATED OR PRESENT ON OR
UNDER SUCH PROPERTY, (C) ANY RESIDUAL CONTAMINATION ON OR UNDER ANY PROPERTY OF
THE BORROWER, (D) ANY CONTAMINATION OF ANY PROPERTY OR NATURAL RESOURCES ARISING
IN CONNECTION WITH THE GENERATION, USE, HANDLING, STORAGE, TRANSPORTATION OR
DISPOSAL OF ANY HAZARDOUS SUBSTANCES BY THE BORROWER OR ANY EMPLOYEE, AGENT,
CONTRACTOR, OR SUBCONTRACTOR OF THE BORROWER WHILE SUCH PERSONS ARE ACTING
WITHIN THE SCOPE OF THEIR RELATIONSHIP WITH THE BORROWER, IRRESPECTIVE OF
WHETHER ANY OF SUCH ACTIVITIES WERE OR WILL BE UNDERTAKEN IN ACCORDANCE WITH
APPLICABLE REQUIREMENTS OF LAW, OR (E) THE PERFORMANCE AND ENFORCEMENT OF ANY
LOAN DOCUMENT, ANY ALLEGATION BY ANY BENEFICIARY OF A LETTER OF CREDIT OF A
WRONGFUL DISHONOR BY THE AGENT OF A CLAIM OR DRAFT PRESENTED THEREUNDER, OR ANY
OTHER ACT OR OMISSION IN CONNECTION WITH OR RELATED TO ANY LOAN DOCUMENT OR THE
TRANSACTIONS CONTEMPLATED THEREBY, INCLUDING, WITHOUT LIMITATION, ANY OF THE
FOREGOING IN THIS SECTION ARISING FROM NEGLIGENCE, WHETHER SOLE OR CONCURRENT,
ON THE PART OF THE AGENT OR ANY LENDER OR ANY OF THEIR RESPECTIVE SHAREHOLDERS,
OFFICERS, DIRECTORS, EMPLOYEES, AGENTS, ATTORNEYS-IN-FACT, OR AFFILIATES OR ANY
TRUSTEE FOR THE BENEFIT OF THE AGENT OR THE LENDERS UNDER ANY SECURITY
INSTRUMENT, BUT EXCLUDING ANY OF THE FOREGOING IN THIS SECTION ARISING FROM THE
GROSS NEGLIGENCE OR WILLFUL MISCONDUCT OF THE AGENT OR ANY LENDER; WITH THE
FOREGOING INDEMNITY SURVIVING SATISFACTION OF ALL OBLIGATIONS AND THE
TERMINATION OF THIS AGREEMENT.


                          ARTICLE VINEGATIVE COVENANTS

          So long as any Obligation remains outstanding or unpaid or any
Commitment exists, the Borrower will not:

6.1  Indebtedness.  Create, incur, assume, or suffer to exist any Indebtedness,
whether by way of loan or otherwise; provided, however, the foregoing
restriction shall not apply to (a) the Obligations, (b) accounts payable
incurred in the ordinary course of business, which are not unpaid in excess of
120 days beyond invoice date or are being contested in good faith and as to
which such reserve as is required by GAAP has been made, (c) with the prior
written consent of the Lenders, Subordinated Debt, (d) crude oil, natural gas,
or other hydrocarbon swap agreements, in form and substance and with a Person
acceptable to the Required Lenders, provided that each commitment issued under
any approved crude oil, natural gas, or other hydrocarbons swap agreement must
also be approved by the Required Lenders, (e) interest rate swap or other
financial hedging agreements, in form and substance and with a Person acceptable
to the Required Lenders, or (f) obligations (other than Indebtedness for
borrowed money or capitalized leases) secured by Permitted Liens.

6.2  Contingent Obligations.  Create, incur, assume, or suffer to exist any
Contingent Obligation; provided, however, the foregoing restriction shall not
apply to (a) performance guarantees, performance surety or other bonds provided
in the ordinary course of business, (b) indemnity obligations incurred in the
ordinary course of business so long as such obligations do not cover the primary
obligation of any Affiliate of the Borrower, (c) trade credit incurred or
operating leases entered into in the ordinary course of business if permitted
pursuant to the other terms of this Agreement, or (d) Contingent Obligations
(other than with respect to Indebtedness for borrowed money or capitalized
leases) secured by Permitted Liens.

6.3  Liens.  Create, incur, assume, or suffer to exist any Lien on any of its
Properties, whether now owned or hereafter acquired, or its capital stock;
provided, however, the foregoing restrictions shall not apply to Permitted
Liens.

6.4  Sales of Assets.  Without the prior written consent of the Required
Lenders, sell, transfer, or otherwise dispose of, in one or any series of
transactions within any 12-month period, assets, whether now owned or hereafter
acquired, the aggregate book value of which or, in the case of Oil and Gas
Properties, the aggregate present worth of which, as set forth in the most
recent Reserve Report prepared in accordance with Section 5.5(a) provided to and
approved by the Lenders, exceeds $2,500,000, or enter into any agreement to do
so; provided, however, the foregoing restriction shall not apply to (a) the sale
of hydrocarbons or inventory in the ordinary course of business, or (b) the sale
or other disposition of Property destroyed, lost, worn out, damaged, or having
only salvage value or no longer used or useful in the business of the Borrower
or the Guarantor.

6.5  Loans or Advances.  Make or agree to make any loans or advances to any
Person; provided, however, the foregoing restrictions shall not apply to
(a) advances or extensions of credit in the form of accounts receivable incurred
in the ordinary course of business and upon terms common in the industry for
such accounts receivable, (b) advances to employees for the payment of expenses
in the ordinary course of business, or (c) so long as no Default or Event of
Default exists, loans or advances to the Guarantor.

6.6  Investments.  Acquire Investments in, or purchase or otherwise acquire all
or substantially all of the assets of, any Person; provided, however, the
foregoing restriction shall not apply to the purchase or acquisition of (a) Oil
and Gas Properties, (b) Investments in the form of (i) debt securities issued or
directly and fully guaranteed or insured by the United States Government or any
agency or instrumentality thereof, with maturities of no more than one year,
(ii) commercial paper of a domestic issuer rated at the date of acquisition at
least P-2 by Moody's Investor Service, Inc. or A-2 by Standard & Poor's
Corporation and with maturities of no more than one year from the date of
acquisition, or (iii) repurchase agreements covering debt securities or
commercial paper of the type permitted in this Section, certificates of deposit,
demand deposits, eurodollar time deposits, overnight bank deposits and bankers'
acceptances, with maturities of no more than one year from the date of
acquisition, issued by or acquired from or through the Agent, any Lender, or any
bank or trust company organized under the laws of the United States or any state
thereof and having capital surplus and undivided profits aggregating at least
$100,000,000, (c) other short-term Investments similar in nature and degree of
risk to those described in clause (b) of this Section, or (d) money-market
funds.

6.7  Dividends and Distributions.  Declare, pay, or make, whether in cash or
other Property, any dividend or distribution on, or purchase, redeem, or
otherwise acquire for value, any share of any class of its capital stock at any
time that (a) a Default or Event of Default exists or will occur as the result
of the payment of such dividend or distribution, or (b) the sum of the Loan
Balance plus the L/C Exposure exceeds the lesser of the Maximum Commitment
Amount or the Borrowing Base then in effect.

6.8  Capital Expenditures.  Make expenditures for capital or fixed assets;
provided, however, the foregoing restriction shall not apply to expenditures for
the acquisition of Oil and Gas Property or other expenditures incurred in
connection with the exploration, development, and production of oil, gas, and
other hydrocarbons.

6.9  Issuance of Stock; Changes in Corporate Structure.  Issue or agree to issue
additional shares of capital stock, in one or any series of transactions, to any
Person other than the Guarantor; enter into any transaction of consolidation,
merger, or amalgamation; liquidate, wind up, or dissolve (or suffer any
liquidation or dissolution).

6.10 Transactions with Affiliates.  Directly or indirectly, enter into any
material transaction (including the sale, lease, or exchange of Property or the
rendering of service) with any of its Affiliates, other than upon fair and
reasonable terms no less favorable than could be obtained in an arm's length
transaction with a Person not an Affiliate.

6.11 Lines of Business.  Expand, on its own or through any Subsidiary, into any
line of business other than the exploration, development, and production of oil,
gas, and other hydrocarbons.

6.12 Rental or Lease Agreements.  Enter into any contract to rent or lease as
lessee any Properties, real or personal; provided, however, the foregoing
restriction shall not apply to (a) leases in effect as of the Closing Date and
renewals and extensions thereof under terms and conditions not materially
different from those in effect as of the Closing Date, (b) oil, gas, and mineral
leases, or (c) other operating leases the rental and lease payments under which
in any calendar or fiscal year do not exceed $500,000 in the aggregate for all
such leases of the Borrower, the Guarantor, and its Subsidiaries.

6.13 ERISA Compliance.  Permit any Plan maintained by it or any Commonly
Controlled Entity to (a) engage in any Prohibited Transaction, the effect of
which could reasonably be expected to have a Material Adverse Effect, (b) incur
any "accumulated funding deficiency," as such term is defined in Section 302 of
ERISA, or (c) terminate in a manner which could result in the imposition of a
Lien on any Property of the Borrower pursuant to Section 4068 of ERISA; or
assume an obligation to contribute to any Multiemployer Plan; or acquire any
Person or the assets of any Person which has now or has had at any time an
obligation to contribute to any Multiemployer Plan.

6.14 Tangible Net Worth.  Permit Tangible Net Worth to be less than $58,000,000
plus (a) 50% of positive Net Income for all fiscal quarters ending subsequent to
December 31, 1994, and (b) 70% of any increase in net worth of the Borrower
resulting from the sale or issuance of capital stock after December 31, 1994;
provided, however, in the event the Borrower is required by GAAP to write down
the carrying value of its Oil and Gas Properties as a result of lower prices for
hydrocarbons, the required level of Tangible Net Worth shall be reduced by the
amount of such write down but not more than $5,000,000 in the aggregate for all
such write downs.

6.15 Cash Flow Coverage.  Permit, as of the close of any fiscal quarter, the
ratio of (a) Cash Flow for such quarter to (b) Debt Service for such quarter to
be less than 1.25 to 1.00.


                             ARTICLE VII
                          EVENTS OF DEFAULT

7.1  Enumeration of Events of Default.  Any of the following events shall
constitute an Event of Default:

     (a)  default shall be made in the payment when due of any installment of
principal or interest under this Agreement or the Notes or in the payment when
due of any fee or other sum payable under any Loan Document and, with respect to
the payment of interest or fees only, such default shall continue for three
days;

     (b)  default shall be made by the Borrower or the Guarantor in the due
observance or performance of any of their respective obligations under the Loan
Documents, and, with respect to the observance or performance of obligations of
the Borrower pursuant to Sections 5.1, 5.2, 5.3, 5.4, 5.5, 5.6, 5.7(d), 5.7(e),
5.7(f), 5.7(g), 5.9, 5.16, 5.17, 6.1(b), or 6.14 and obligations of the
Guarantor pursuant to Sections 4.1, 4.2(c), 4.2(d), 4.2(e), 4.2(f), 4.2(g), 4.3,
5.12, 5.13, or 5.14 of the Guaranty only, such default shall continue for 30
days after the earlier of notice thereof to the Borrower by the Agent or
knowledge thereof by the Borrower or the Guarantor;

     (d)  any representation or warranty made by the Borrower or the Guarantor 
in any of the Loan Documents proves to have been untrue in any material respect 
or any representation, statement (including Financial Statements), certificate, 
or data furnished or made to the Agent or any Lender in connection herewith 
proves to have been untrue in any material respect as of the date the facts 
therein set forth were stated or certified;

     (e)  default shall be made by the Borrower or the Guarantor (as principal 
or guarantor or other surety) in the payment of any Indebtedness for borrowed
money, capitalized leases, or owing to the Department of Energy, and such
default shall remain unremedied for in excess of the period of grace, if any,
with respect thereto;

     (f)  either the Borrower or the Guarantor shall (i) apply for or consent to
the appointment of a receiver, trustee, or liquidator of it or all or a 
substantial part of its assets, (ii) file a voluntary petition commencing an 
Insolvency Proceeding, (iii) make a general assignment for the benefit of 
creditors, (iv) be unable, or admit in writing its inability, to pay its debts 
generally as they become due, or (v) file an answer admitting the material 
allegations of a petition filed against it in any Insolvency Proceeding;

     (g)  an order, judgment, or decree shall be entered against either the 
Borrower or the Guarantor by any court of competent jurisdiction or by any other
duly authorized authority, on the petition of a creditor or otherwise, granting
relief in any Insolvency Proceeding or approving a petition seeking
reorganization or an arrangement of its debts or appointing a receiver, trustee,
conservator, custodian, or liquidator of it or all or any substantial part of
its assets, and such order, judgment, or decree shall not be dismissed or stayed
within 30 days;

     (h)  the levy against any significant portion of the Property of the 
Borrower or the Guarantor, or any execution, garnishment, attachment, 
sequestration, or other writ or similar proceeding which is not permanently 
dismissed or discharged within 30 days after the levy;

     (i)  a final and non-appealable order, judgment, or decree shall be entered
against the Borrower or the Guarantor for money damages and/or Indebtedness due
in an amount in excess of $1,000,000, and such order, judgment, or decree shall
not be dismissed or stayed or paid within 30 days;

     (j)  either the Borrower or the Guarantor shall have (i) concealed, 
removed, or diverted, or permitted to be concealed, removed, or diverted, any 
part of its Property, with intent to hinder, delay, or defraud its creditors or 
any of them, (ii) made or suffered a transfer of any of its Property which may 
be fraudulent under any bankruptcy, fraudulent conveyance, or similar law, 
(iii) made any transfer of its Property to or for the benefit of a creditor at a
time when other creditors similarly situated have not been paid, or (iv) shall 
have suffered or permitted, while insolvent, any creditor to obtain a Lien upon 
any of its Property through legal proceedings or distraint which is not vacated
within 30 days from the date thereof;

     (k)  any Security Instrument shall for any reason not, or cease to, create 
valid and perfected first-priority Liens against the Collateral purportedly 
covered thereby;

     (l)  any Person shall engage in any "prohibited transaction" (as defined in
Section 406 of ERISA or Section 4975 of the Code) involving any Plan, the effect
of which could reasonably be expected to have a Material Adverse Effect; any
"accumulated funding deficiency" (as defined in Section 302 of ERISA), whether
or not waived, shall exist with respect to any Plan for which an excise tax is
due or would be due in the absence of a waiver; a Reportable Event shall occur
with respect to, or proceedings shall commence to have a trustee appointed, or a
trustee shall be appointed, to administer or to terminate, any Single Employer
Plan, which Reportable Event or commencement of proceedings or appointment of a
trustee is, in the reasonable opinion of the Agent, likely to result in the
termination of such Plan for purposes of Title IV of ERISA; any Single Employer
Plan shall terminate for purposes of Title IV of ERISA; the Borrower, the
Guarantor or any Commonly Controlled Entity shall incur, or in the reasonable
opinion of the Agent, be likely to incur any liability in connection with a
withdrawal from, or the Insolvency or Reorganization of, a Multiemployer Plan;
or any other event or condition shall occur or exist with respect to a Plan and
the result of such events or conditions referred to in this Section 7.1(k) could
subject the Borrower, the Guarantor or any Commonly Controlled Entity to any tax
(other than an excise tax under Section 4980 of the Code), penalty or other
liabilities which taken in the aggregate would have a Material Adverse Effect
and any such circumstance shall exist for in excess of 30 days;

     (m)  the Guarantor shall cease to own all of the outstanding capital stock 
of any class issued by the Borrower; or

     (n)  the occurrence of any event or condition which could reasonably be 
expected to have a Material Adverse Effect and the same shall remain unremedied 
for in excess of 30 days after notice given by the Agent.

7.2  Remedies.  (a) Upon the occurrence of an Event of Default specified in
Sections 7.1(e) or 7.1(f), immediately and without notice, (i) all Obligations
shall automatically become immediately due and payable, without presentment,
demand, protest, notice of protest, default, or dishonor, notice of intent to
accelerate maturity, notice of acceleration of maturity, or other notice of any
kind, except as may be provided to the contrary elsewhere herein, all of which
are hereby expressly waived by the Borrower; (ii) the Commitments shall
immediately cease and terminate unless and until reinstated by the Agent and the
Lenders in writing; and (iii) with the oral consent of the Required Lenders
(confirmed promptly in writing), the Agent and each Lender are hereby authorized
at any time and from time to time, without notice to the Borrower (any such
notice being expressly waived by the Borrower), to set-off and apply any and all
deposits (general or special, time or demand, provisional or final) held by the
Agent or such Lender and any and all other indebtedness at any time owing by the
Agent or such Lender to or for the credit or account of the Borrower against any
and all of the Obligations.

     (b)  Upon the occurrence of any Event of Default other than those specified
in Sections 7.1(e) or 7.1(f), (i) the Agent may and, upon the request of the
Required Lenders, shall, by notice to the Borrower, declare all Obligations
immediately due and payable, without presentment, demand, protest, notice of
protest, default, or dishonor, notice of intent to accelerate maturity, notice
of acceleration of maturity, or other notice of any kind, except as may be
provided to the contrary elsewhere herein, all of which are hereby expressly
waived by the Borrower; (ii) the Agent may and, upon the request of the Required
Lenders, shall, declare the Commitments terminated, whereupon the Commitments
shall immediately cease and terminate unless and until reinstated by the Agent
and the Lenders in writing; and (iii) with the oral consent of the Required
Lenders (confirmed promptly in writing), the Agent and each Lender are hereby
authorized at any time and from time to time, without notice to the Borrower
(any such notice being expressly waived by the Borrower), to set-off and apply
any and all deposits (general or special, time or demand, provisional or final)
held by the Agent or such Lender and any and all other indebtedness at any time
owing by the Agent or such Lender to or for the credit or account of the
Borrower against any and all of the Obligations although such Obligations may be
unmatured.

     (c)  Upon the occurrence of any Event of Default, the Lenders, with the 
oral consent of the Required Lenders (confirmed promptly in writing), and the 
Agent, in accordance with the terms hereof, may, in addition to the foregoing in
this Section, exercise any or all of their rights and remedies provided by law 
or pursuant to the Loan Documents.


                                  ARTICLE VIII

                                    THE AGENT

8.1  Appointment.  Each Lender hereby designates and appoints the Agent as the
agent of such Lender under this Agreement and the other Loan Documents.  Each
Lender authorizes the Agent, as the agent for such Lender, to take such action
on behalf of such Lender under the provisions of this Agreement and the other
Loan Documents and to exercise such powers and perform such duties as are
expressly delegated to the Agent by the terms of this Agreement and the other
Loan Documents, together with such other powers as are reasonably incidental
thereto.  Notwithstanding any provision to the contrary elsewhere in this
Agreement or in any other Loan Document, the Agent shall not have any duties or
responsibilities except those expressly set forth herein or in any other Loan
Document or any fiduciary relationship with any Lender; and no implied
covenants, functions, responsibilities, duties, obligations, or liabilities on
the part of the Agent shall be read into this Agreement or any other Loan
Document or otherwise exist against the Agent.

8.2  Delegation of Duties.  The Agent may execute any of its duties under this
Agreement and the other Loan Documents by or through agents or attorneys-in-fact
and shall be entitled to advice of counsel concerning all matters pertaining to
such duties.  The Agent shall not be responsible for the negligence or
misconduct of any agents or attorneys-in-fact selected by it with reasonable
care.

8.3  Exculpatory Provisions.  Neither the Agent nor any of its officers,
directors, employees, agents, attorneys-in-fact or affiliates shall be (a)
required to initiate or conduct any litigation or collection proceedings
hereunder, except with the concurrence of the Required Lenders and contribution
by each Lender of its Percentage Share of costs reasonably expected by the Agent
to be incurred in connection therewith, (b) liable for any action lawfully taken
or omitted to be taken by it or such Person under or in connection with this
Agreement or any other Loan Document (except for gross negligence or willful
misconduct of the Agent or such Person), or (c) responsible in any manner to any
Lender for any recitals, statements, representations or warranties made by the
Borrower or any officer thereof contained in this Agreement or any other Loan
Document or in any certificate, report, statement or other document referred to
or provided for in, or received by the Agent under or in connection with, this
Agreement or any other Loan Document, or for the sufficiency, accuracy, or
completeness of any materials provided by the Agent, or the failure of the Agent
to provide any materials or disclose any matter to any Lender except as may be
expressly required herein, or for the value, validity, effectiveness,
genuineness, enforceability or sufficiency of this Agreement or any other Loan
Document or for any failure of the Borrower to perform its obligations hereunder
or thereunder.  The Agent shall not be under any obligation to any Lender to
ascertain or to inquire as to the observance or performance of any of the
agreements contained in, or conditions of, this Agreement or any other Loan
Document, or to inspect the properties, books or records of the Borrower.

8.4  Reliance by Agent.  The Agent shall be entitled to rely, and shall be fully
protected in relying, upon any Note, writing, resolution, notice, consent,
certificate, affidavit, letter, cablegram, telegram, telecopy, telex or teletype
message, statement, order or other document or conversation believed by it to be
genuine and correct and to have been signed, sent or made by the proper Person
or Persons and upon advice and statements of legal counsel (including, without
limitation, counsel to the Borrower), independent accountants and other experts
selected by the Agent.  The Agent may deem and treat the payee of any Note as
the owner thereof for all purposes unless and until a written notice of
assignment, negotiation, or transfer thereof shall have been received by the
Agent.  The Agent shall be fully justified in failing or refusing to take any
action under this Agreement or any other Loan Document unless it shall first
receive such advice or concurrence of the Required Lenders as it deems
appropriate and contribution by each Lender of its Percentage Share of costs
reasonably expected by the Agent to be incurred in connection therewith.  The
Agent shall in all cases be fully protected in acting, or in refraining from
acting, under this Agreement and the other Loan Documents in accordance with a
request of the Required Lenders.  Such request and any action taken or failure
to act pursuant thereto shall be binding upon the Lenders and all future holders
of the Notes.  In no event shall the Agent be required to take any action that
exposes the Agent to personal liability or that is contrary to any Loan Document
or applicable Requirement of Law.

8.5  Notice of Default.  The Agent shall not be deemed to have knowledge or
notice of the occurrence of any Default or Event of Default unless the Agent has
received notice from a Lender or the Borrower referring to this Agreement,
describing such Default or Event of Default and stating that such notice is a
"notice of default."  In the event that the Agent receives such a notice, the
Agent shall promptly give notice thereof to the Lenders.  The Agent shall take
such action with respect to such Default or Event of Default as shall be
reasonably directed by the Required Lenders; provided that unless and until the
Agent shall have received such directions, subject to the provisions of Section
7.2, the Agent may (but shall not be obligated to) take such action, or refrain
from taking such action, with respect to such Default or Event of Default as it
shall deem advisable in the best interests of the Lenders.  In the event that
the officer of the Agent primarily responsible for the lending relationship with
the Borrower or the officer of any Lender primarily responsible for the lending
relationship with the Borrower becomes aware that a Default or Event of Default
has occurred and is continuing, the Agent or such Lender, as the case may be,
shall use its good faith efforts to inform the other Lenders and/or the Agent,
as the case may be, promptly of such occurrence.  Notwithstanding the preceding
sentence, failure to comply with the preceding sentence shall not result in any
liability to the Agent or any Lender.

8.6  Non-Reliance on Agent and Other Lenders.  Each Lender expressly
acknowledges that neither the Agent nor any other Lender nor any of their
respective officers, directors, employees, agents, attorneys-in-fact or
affiliates has made any representation or warranty to such Lender and that no
act by the Agent or any other Lender hereafter taken, including any review of
the affairs of the Borrower, shall be deemed to constitute any representation or
warranty by the Agent or any Lender to any other Lender.  Each Lender represents
to the Agent that it has, independently and without reliance upon the Agent or
any other Lender, and based on such documents and information as it has deemed
appropriate, made its own appraisal of and investigation into the business,
operations, property, condition (financial and otherwise) and creditworthiness
of the Borrower and the value of the Collateral and other Properties of the
Borrower and has made its own decision to enter into this Agreement.  Each
Lender also represents that it will, independently and without reliance upon the
Agent or any other Lender and based on such documents and information as it
shall deem appropriate at the time, continue to make its own credit analysis,
appraisals and decisions in taking or not taking action under this Agreement and
the other Loan Documents, and to make such investigation as it deems necessary
to inform itself as to the business, operations, property, condition (financial
and otherwise) and creditworthiness of the Borrower and the value of the
Collateral and other Properties of the Borrower.  Except for notices, reports
and other documents expressly required to be furnished to the Lenders by the
Agent hereunder, the Agent shall not have any duty or responsibility to provide
any Lender with any credit or other information concerning the business,
operations, property, condition (financial and otherwise), or creditworthiness
of the Borrower or the value of the Collateral or other Properties of the
Borrower which may come into the possession of the Agent or any of its officers,
directors, employees, agents, attorneys-in-fact or affiliates.

8.7  Indemnification.  EACH LENDER AGREES TO INDEMNIFY THE AGENT AND ITS
OFFICERS, DIRECTORS, EMPLOYEES, AGENTS, ATTORNEYS-IN-FACT AND AFFILIATES (TO THE
EXTENT NOT REIMBURSED BY THE BORROWER AND WITHOUT LIMITING THE OBLIGATION OF THE
BORROWER TO DO SO), RATABLY ACCORDING TO THE PERCENTAGE SHARE OF SUCH LENDER,
FROM AND AGAINST ANY AND ALL LIABILITIES, CLAIMS, OBLIGATIONS, LOSSES, DAMAGES,
PENALTIES, ACTIONS, JUDGMENTS, SUITS, COSTS, EXPENSES AND DISBURSEMENTS OF ANY
KIND WHATSOEVER WHICH MAY AT ANY TIME (INCLUDING, WITHOUT LIMITATION, ANY TIME
FOLLOWING THE PAYMENT AND PERFORMANCE OF ALL OBLIGATIONS AND THE TERMINATION OF
THIS AGREEMENT) BE IMPOSED ON, INCURRED BY OR ASSERTED AGAINST THE AGENT OR ANY
OF ITS OFFICERS, DIRECTORS, EMPLOYEES, AGENTS, ATTORNEYS-IN-FACT OR AFFILIATES
IN ANY WAY RELATING TO OR ARISING OUT OF THIS AGREEMENT OR ANY OTHER LOAN
DOCUMENT, OR ANY OTHER DOCUMENT CONTEMPLATED OR REFERRED TO HEREIN OR THE
TRANSACTIONS CONTEMPLATED HEREBY OR ANY ACTION TAKEN OR OMITTED BY THE AGENT OR
ANY OF ITS OFFICERS, DIRECTORS, EMPLOYEES, AGENTS, ATTORNEYS-IN-FACT OR
AFFILIATES UNDER OR IN CONNECTION WITH ANY OF THE FOREGOING, INCLUDING, WITHOUT
LIMITATION, ANY LIABILITIES, CLAIMS, OBLIGATIONS, LOSSES, DAMAGES, PENALTIES,
ACTIONS, JUDGMENTS, SUITS, COSTS, EXPENSES AND DISBURSEMENTS IMPOSED, INCURRED
OR ASSERTED AS A RESULT OF THE NEGLIGENCE, WHETHER SOLE OR CONCURRENT, OF THE
AGENT OR ANY OF ITS OFFICERS, DIRECTORS, EMPLOYEES, AGENTS, ATTORNEYS-IN-FACT OR
AFFILIATES; PROVIDED THAT NO LENDER SHALL BE LIABLE FOR THE PAYMENT OF ANY
PORTION OF SUCH LIABILITIES, OBLIGATIONS, LOSSES, DAMAGES, PENALTIES, ACTIONS,
JUDGMENTS, SUITS, COSTS, EXPENSES OR DISBURSEMENTS RESULTING SOLELY FROM THE
GROSS NEGLIGENCE OR WILLFUL MISCONDUCT OF THE AGENT OR ANY OF ITS OFFICERS,
DIRECTORS, EMPLOYEES, AGENTS, ATTORNEYS-IN-FACT OR AFFILIATES.  THE AGREEMENTS
IN THIS SECTION SHALL SURVIVE THE PAYMENT AND PERFORMANCE OF ALL OBLIGATIONS AND
THE TERMINATION OF THIS AGREEMENT.

8.8  Restitution.  Should the right of the Agent or any Lender to realize funds
with respect to the Obligations be challenged and any application of such funds
to the Obligations be reversed, whether by Governmental Authority or otherwise,
or should the Borrower otherwise be entitled to a refund or return of funds
distributed to the Lenders in connection with the Obligations, the Agent or such
Lender, as the case may be, shall promptly notify the Lenders of such fact.  Not
later than Noon, Central Standard or Daylight Savings Time, as the case may be,
of the Business Day following such notice, each Lender shall pay to the Agent an
amount equal to the ratable share of such Lender of the funds required to be
returned to the Borrower.  The ratable share of each Lender shall be determined
on the basis of the percentage of the payment all or a portion of which is
required to be refunded originally distributed to such Lender, if such
percentage can be determined, or, if such percentage cannot be determined, on
the basis of the Percentage Share of such Lender.  The Agent shall forward such
funds to the Borrower or to the Lender required to return such funds.  If any
such amount due to the Agent is made available by any Lender after Noon, Central
Standard or Daylight Savings Time, as the case may be, of the Business Day
following such notice, such Lender shall pay to the Agent (or the Lender
required to return funds to the Borrower, as the case may be) for its own
account interest on such amount at a rate equal to the Federal Funds Rate for
the period from and including the date on which restitution to the Borrower is
made by the Agent (or the Lender required to return funds to the Borrower, as
the case may be) to but not including the date on which such Lender failing to
timely forward its share of funds required to be returned to the Borrower shall
have made its ratable share of such funds available.

8.9  Agent in Its Individual Capacity.  The Agent and its affiliates may make
loans to, accept deposits from and generally engage in any kind of business with
the Borrower as though the Agent were not the agent hereunder.  With respect to
any Note issued to the Lender serving as the Agent, the Agent shall have the
same rights and powers under this Agreement as a Lender and may exercise such
rights and powers as though it were not the Agent.  The terms "Lender" and
"Lenders" shall include the Agent in its individual capacity.

8.10 Successor Agent.  The Agent may resign as Agent upon ten days' notice to
the Lenders and the Borrower.  If the Agent shall resign as Agent under this
Agreement and the other Loan Documents, Lenders for which the Percentage Shares
aggregate at least 60% shall appoint from among the Lenders a successor agent
for the Lenders, whereupon such successor agent shall succeed to the rights,
powers and duties of the Agent.  The term "Agent" shall mean such successor
agent effective upon its appointment.  The rights, powers, and duties of the
former Agent as Agent shall be terminated, without any other or further act or
deed on the part of such former Agent or any of the parties to this Agreement or
any holders of the Notes.  After the removal or resignation of any Agent
hereunder as Agent, the provisions of this Article VIII and Sections 2.2(d),
5.14, and 5.19 shall inure to its benefit as to any actions taken or omitted to
be taken by it while it was Agent under this Agreement and the other Loan
Documents.

8.11 Applicable Parties.  The provisions of this Article are solely for the
benefit of the Agent and the Lenders, and the Borrower shall not have any rights
as a third party beneficiary or otherwise under any of the provisions of this
Article.  In performing functions and duties hereunder and under the other Loan
Documents, the Agent shall act solely as the agent of the Lenders and does not
assume, nor shall it be deemed to have assumed, any obligation or relationship
of trust or agency with or for the Borrower or any legal representative,
successor, and assign of the Borrower.


                             ARTICLE IX
                            MISCELLANEOUS

9.1  Assignments; Participations.  (a) The Borrower may not assign any of its
rights or obligations under any Loan Document without the prior consent of the
Agent and the Lenders.

     (b)  Except pursuant to Section 2.25 and the Related Facilities 
Agreement, no Lender may assign all or any portion of its rights and obligations
under this Agreement.  Any assignment of rights and obligations of a Lender 
under this Agreement shall be made pursuant to an Assignment Agreement.  Any 
such assignment of rights and obligations of a Lender hereunder shall become
effective upon the execution and delivery to the Agent of the Assignment
Agreement and the consent of the Agent.  Promptly following receipt of an
executed Assignment Agreement, the Agent shall send to the Borrower a copy of
such executed Assignment Agreement.  Promptly following receipt of such executed
Assignment Agreement, the Borrower shall execute and deliver, at its own
expense, new Notes to the assignee and, if applicable, the assignor, in
accordance with their respective interests, whereupon the prior Notes of the
assignor and, if applicable, the assignee, shall be cancelled and returned to
the Borrower.  Upon the effectiveness of any assignment pursuant to this Section
9.1(b), the assignee will become a "Lender," if not already a "Lender," for all
purposes of the Loan Documents, and the assignor shall be relieved of its
obligations hereunder to the extent of such assignment.  If the assignor no
longer holds any rights or obligations under this Agreement, such assignor shall
cease to be a "Lender" hereunder, except that its rights under Sections 2.21 and
5.19 shall not be affected.  On the last Business Day of each month during which
an assignment has become effective pursuant to this Section 9.1(b), the Agent
shall prepare a new Exhibit IV giving effect to all such assignments effected
during such month and will promptly provide a copy thereof to the Borrower and
each Lender.

     (c)  Each Lender may transfer, grant, or assign participations in all or 
any portion of its interests hereunder to its affiliates only pursuant to this
Section 9.1(c), provided that such Lender shall remain a "Lender" for all
purposes of this Agreement and the transferee of such participation shall not
constitute a "Lender" hereunder.  In the case of any such participation, the
participant shall not have any rights under any Loan Document, the rights of the
participant in respect of such participation to be against the granting Lender
as set forth in the agreement with such Lender creating such participation, and
all amounts payable by the Borrower hereunder shall be determined as if such
Lender had not sold such participation.

     (d)  The Lenders may furnish any information concerning the Borrower in the
possession of the Lenders from time to time to permitted assignees and
participants and, with the consent of the Borrower, to prospective assignees and
participants.

     (e)  Notwithstanding anything in this Section to the contrary, any Lender 
may assign and pledge all or any of its Notes or any interest therein to any 
Federal Reserve Bank or the United States Treasury as collateral security 
pursuant to Regulation A of the Board of Governors of the Federal Reserve System
and any operating circular issued by such Federal Reserve System and/or such 
Federal Reserve Bank.  No such assignment or pledge shall release the assigning 
or pledging Lender from its obligations hereunder.

     (f)  Notwithstanding any other provisions of this Section, no transfer or
assignment of the interests or obligations of any Lender or grant of
participations therein shall be permitted if such transfer, assignment, or grant
would require the Borrower to file a registration statement with the Securities
and Exchange Commission or any successor Governmental Authority or qualify the
Loans under the "Blue Sky" laws of any state.

9.2  Survival of Representations, Warranties, and Covenants.  All
representations and warranties of the Borrower and all covenants and agreements
herein made shall survive the execution and delivery of the Notes and the
Security Instruments and shall remain in force and effect so long as any
Obligation is outstanding or any Commitment exists.

9.3  Notices.  Except as to oral notices expressly authorized herein, which oral
notices shall be confirmed in writing, all notices, requests, and communications
hereunder shall be in writing (including by telecopy).  Unless otherwise
expressly provided herein, any such notice, request, demand, or other
communication shall be deemed to have been duly given or made when delivered by
hand, or, in the case of delivery by mail, two Business Days after deposited in
the mail, certified mail, return receipt requested, postage prepaid, or, in the
case of telecopy notice, when receipt thereof is acknowledged orally or by
written confirmation report, addressed to each party at the "Address for
Notices" specified below its name on the signature pages hereof or at such other
address as shall be designated by such party in a properly given notice.

9.4  Parties in Interest.  Subject to the restrictions on changes in corporate
structure set forth in Section 6.9 and other applicable restrictions contained
herein, all covenants and agreements herein contained by or on behalf of the
Borrower, the Agent or the Lenders shall be binding upon and inure to the
benefit of the Borrower, the Agent or the Lenders, as the case may be, and their
respective legal representatives, successors, and permitted assigns.

9.5  Rights of Third Parties.  All provisions herein are imposed solely and
exclusively for the benefit of the Agent, the Lenders and the Borrower and their
successors and permitted assigns.  No other Person shall have any right,
benefit, priority, or interest hereunder or as a result hereof or have standing
to require satisfaction of provisions hereof in accordance with their terms.

9.6  No Waiver; Rights Cumulative.  No course of dealing on the part of the
Agent or the Lenders, or their officers or employees, nor any failure or delay
by the Agent or the Lenders with respect to exercising any of their rights under
any Loan Document shall operate as a waiver thereof.  The rights of the Agent
and the Lenders under the Loan Documents shall be cumulative and the exercise or
partial exercise of any such right shall not preclude the exercise of any other
right.  Neither the making of any Loan nor the issuance of a Letter of Credit
shall  constitute a waiver of any of the covenants, warranties, or conditions of
the Borrower contained herein.  In the event the Borrower is unable to satisfy
any such covenant, warranty, or condition, neither the making of any Loan nor
the issuance of a Letter of Credit shall have the effect of precluding the Agent
or the Lenders from thereafter declaring such inability to be an Event of
Default as hereinabove provided.

9.7  Survival Upon Unenforceability.  In the event any one or more of the
provisions contained in any of the Loan Documents or in any other instrument
referred to herein or executed in connection with the Obligations shall, for any
reason, be held to be invalid, illegal, or unenforceable in any respect, such
invalidity, illegality, or unenforceability shall not affect any other provision
of any Loan Document or of any other instrument referred to herein or executed
in connection with such Obligations.

9.8  Amendments; Waivers.  Neither this Agreement nor any of the other Loan
Documents nor any terms hereof or thereof may be amended, supplemented,
modified, or waived except in writing and in accordance with the provisions of
this Section.  The Agent and the Borrower may, from time to time with the
written consent of the Required Lenders, enter into written amendments,
supplements, or modifications to the Loan Documents for the purpose of adding
any provisions to this Agreement or the other Loan Documents or changing in any
manner the rights of the Lenders or the Borrower hereunder or thereunder or
waiving, on such terms and conditions as the Agent may specify in such
instrument, any of the requirements of this Agreement or the other Loan
Documents or any Default or Event of Default and its consequences; provided,
however, that no such amendment, supplement, modification, or waiver shall (a)
extend the time of payment of any Obligation, change the rate of interest
thereon, extend the Commitment Termination Date or Final Maturity, reduce any
fee payable for the account of the Lenders hereunder, release any Collateral,
reduce the amount of any Obligation, increase the Maximum Commitment Amount,
change the Borrowing Base or any provision applicable to the determination of
the Borrowing Base, amend, modify, or waive any provision of this Section or
Sections 3.2, 3.3, 5.14, 5.19, or 8.10, change the percentage specified in the
definition of Required Lenders, or consent to the assignment or transfer by the
Borrower of any of its rights or obligations under this Agreement or the other
Loan Documents, in any such case without the written consent of all Lenders, or
(b) amend, modify, or waive any provision of Article VIII or the rights or
obligations of the Agent (including its rights and obligations as issuer of the
Letters of Credit) without the written consent of the Agent.  Any such
amendment, supplement, modification, or waiver shall apply equally to each of
the Lenders and shall be binding upon the Borrower, the Lenders, and the Agent
and all future holders of the Notes.  Notwithstanding the foregoing, the Agent
may, provided that no Default or Event of Default exists, release Collateral the
value of which, as set forth in the most recently provided Reserve Report, in
any fiscal year of the Borrower does not exceed $1,000,000.  In the event of any
waiver, the Borrower, the Lenders, and the Agent shall be restored to their
respective former positions and rights hereunder and under the other Loan
Documents, and any Default or Event of Default waived shall be deemed to be
cured and not continuing; but no such waiver shall extend to any subsequent or
other Default or Event of Default or impair any right with respect thereto.

9.9  Controlling Agreement.  In the event of a conflict between the provisions
of this Agreement and those of any other Loan Document, the provisions of this
Agreement shall control.

9.10 GOVERNING LAW.  THIS AGREEMENT, THE NOTES, AND THE GUARANTY SHALL BE DEEMED
TO BE CONTRACTS MADE UNDER AND SHALL BE CONSTRUED IN ACCORDANCE WITH AND
GOVERNED BY THE LAWS OF THE STATE OF TEXAS WITHOUT GIVING EFFECT TO PRINCIPLES
THEREOF RELATING TO CONFLICTS OF LAW; PROVIDED, HOWEVER, THAT VERNON'S TEXAS
CIVIL STATUTES, ARTICLE 5069, CHAPTER 15 (WHICH REGULATES CERTAIN REVOLVING
CREDIT LOAN ACCOUNTS AND REVOLVING TRIPARTY ACCOUNTS) SHALL NOT APPLY.

9.11 JURISDICTION AND VENUE.  ALL ACTIONS OR PROCEEDINGS WITH RESPECT TO,
ARISING DIRECTLY OR INDIRECTLY IN CONNECTION WITH, OUT OF, RELATED TO, OR FROM
THIS AGREEMENT OR ANY OTHER LOAN DOCUMENT MAY BE LITIGATED, AT THE SOLE
DISCRETION AND ELECTION OF THE AGENT, IN COURTS HAVING SITUS IN HOUSTON, HARRIS
COUNTY, TEXAS.  THE BORROWER HEREBY SUBMITS TO THE JURISDICTION OF ANY LOCAL,
STATE, OR FEDERAL COURT LOCATED IN HOUSTON, HARRIS COUNTY, TEXAS, AND HEREBY
WAIVES ANY RIGHTS IT MAY HAVE TO TRANSFER OR CHANGE THE JURISDICTION OR VENUE OF
ANY LITIGATION BROUGHT AGAINST IT BY THE AGENT OR ANY LENDER IN ACCORDANCE WITH
THIS SECTION.

9.12 WAIVER OF RIGHTS TO JURY TRIAL.  THE BORROWER, THE AGENT, AND EACH LENDER
HEREBY KNOWINGLY, VOLUNTARILY, INTENTIONALLY, IRREVOCABLY, AND UNCONDITIONALLY
WAIVE ALL RIGHTS TO TRIAL BY JURY IN ANY ACTION, SUIT, PROCEEDING, COUNTERCLAIM,
OR OTHER LITIGATION THAT RELATES TO OR ARISES OUT OF ANY OF THIS AGREEMENT OR
ANY OTHER LOAN DOCUMENT OR THE ACTS OR OMISSIONS OF THE AGENT OR ANY LENDER IN
THE ENFORCEMENT OF ANY OF THE TERMS OR PROVISIONS OF THIS AGREEMENT OR ANY OTHER
LOAN DOCUMENT OR OTHERWISE WITH RESPECT THERETO.  THE PROVISIONS OF THIS SECTION
ARE A MATERIAL INDUCEMENT FOR THE AGENT AND THE LENDERS ENTERING INTO THIS
AGREEMENT.

9.13 ENTIRE AGREEMENT.  THIS AGREEMENT AMENDS, RESTATES, AND REPLACES THE
EXISTING CREDIT AGREEMENT AND CONSTITUTES THE ENTIRE AGREEMENT AMONG THE PARTIES
HERETO WITH RESPECT TO THE SUBJECT HEREOF AND SHALL SUPERSEDE ANY PRIOR
AGREEMENT BETWEEN OR AMONG THE PARTIES HERETO, WHETHER WRITTEN OR ORAL, RELATING
TO THE SUBJECT HEREOF, INCLUDING, WITHOUT LIMITATION, THE EXISTING CREDIT
AGREEMENT AND THE CORRESPONDENCE DATED FEBRUARY 9, 1995, FROM BANK ONE TO THE
GUARANTOR AND THE TERM SHEET ENCLOSED THEREWITH.  FURTHERMORE, IN THIS REGARD,
THIS AGREEMENT AND THE OTHER WRITTEN LOAN DOCUMENTS REPRESENT, COLLECTIVELY, THE
FINAL AGREEMENT AMONG THE PARTIES THERETO AND MAY NOT BE CONTRADICTED BY
EVIDENCE OF PRIOR, CONTEMPORANEOUS, OR SUBSEQUENT ORAL AGREEMENTS OF SUCH
PARTIES.  THERE ARE NO UNWRITTEN ORAL AGREEMENTS AMONG SUCH PARTIES.

9.14 Counterparts.  For the convenience of the parties, this Agreement may be
executed in multiple counterparts and by different parties hereto in separate
counterparts, each of which when so executed shall be deemed to be an original,
and all of which shall together constitute but one and the same agreement.

          IN WITNESS WHEREOF, this Agreement is executed as of the date first
above written.

                              BORROWER:

                              HOWELL PETROLEUM CORPORATION


Address for Notices:          By:  /s/ Michael R. Drake
                              --------------------
                              Michael R. Drake
                              President
Howell Petroleum Corporation
1111 Fannin, Suite 1500
Houston, Texas 77002
Attention:  Allyn Skelton
Telecopy:   (713) 658-4007


                              AGENT AND LENDER:

                              BANK ONE, TEXAS, N.A.


Address for Notices:          By:  /s/ Stephen M. Smith
                              --------------------
                              Stephen M. Smith
                              Vice President
Bank One, Texas, N.A.
910 Travis
Houston, Texas 77002
(or for notice by mail, to:
P.O. Box 2629
Houston, Texas 77252-2629)
Attention:  Energy Group
Telecopy:   (713) 751-3544

Applicable Lending Office
for Floating Rate Loans
and LIBO Rate Loans:

910 Travis
Houston, Texas 77002




     (Signatures Continued on Next Page)
<PAGE>
                              LENDER:

                              BANK OF MONTREAL


Address for Notices:          By:  /s/ Robert L. Roberts
                              ---------------------
                              Robert L. Roberts
Bank of Montreal              Director, U. S. Corporate Banking
700 Louisiana, Suite 4400
Houston, Texas  77002
Attention:  Robert L. Roberts
Telecopy:  (713) 223-4007

Applicable Lending Office
for Floating Rate Loans
and LIBO Rate Loans:

700 Louisiana, Suite 4400
Houston, Texas  77002


                                   LENDER:

                                   COMPASS BANK-HOUSTON


Address for Notices:               By:  /s/ Murray E. Brasseux
                                   ----------------------
                                   Murray E. Brasseux
Compass Bank - Houston             Executive Vice President
24 Greenway Plaza, Suite 1401
Houston, Texas  77046
Attention:  Energy Lending
Telecopy:  (713) 968-8222

Applicable Lending Office
for Floating Rate Loans
and LIBO Rate Loans:

24 Greenway Plaza, Suite 1401
Houston, Texas  77046


     (Signatures Continued on Next Page)
<PAGE>
                                   LENDER:

                                   DEN NORSKE BANK AS


Address for Notices:               By: /s/ Nelvin Farstad
                                       ------------------
                                       Nelvin Farstad
                                       Senior Vice President

Den norske Bank AS
Three Allen Center
333 Clay, Suite 4890
Houston, Texas  77002              By: /s/ Fran Meyers
Attention:  William V. Moyer           ---------------
Telecopy:  (713) 757-1167              Fran Meyers
                                       Vice President


Applicable Lending Office
for Floating Rate Loans
and LIBO Rate Loans:

600 Fifth Avenue
New York, New York  10020





EXHIBIT 10.2












                                    GUARANTY

                                       BY

                               HOWELL CORPORATION

                                   IN FAVOR OF

                 BANK ONE, TEXAS, NATIONAL ASSOCIATION, AS AGENT






                           Dated as of March 31, 1995





                 CREDIT FACILITY TO HOWELL PETROLEUM CORPORATION







<PAGE>
                                TABLE OF CONTENTS


 
                                                          Page

ARTICLE I DEFINITIONS AND INTERPRETATION                    1

     1.1  Terms Defined Above                               1
     1.2  Terms Defined in Credit Agreement                 2
     1.3  Additional Defined Terms                          2
     1.4  Undefined Financial Accounting Terms              3
     1.5  References.                                       3
     1.6  Articles and Sections                             3
     1.7  Number and Gender                                 3

ARTICLE II     GUARANTY                                     4

     2.1  Guaranty                                          4
     2.2  Absolute, Complete, and Continuing Guaranty       4
     2.3  Liability Not Impaired                            4
     2.4  Primary Liability                                 5
     2.5  Security; Additional Guarantees                   5
     2.6  Waivers                                           5
     2.7  Pursuit of Remedies                               5
     2.8  Status of Borrower                                5
     2.9  Independent Review; Solvency                      6
     2.10 Enforcement Costs                                 6

ARTICLE III    REPRESENTATIONS AND WARRANTIES               6

     3.1  Due Authorization                                 6
     3.2  Corporate Existence                               6
     3.3  Valid and Binding Obligations                     7

ARTICLE IV     AFFIRMATIVE COVENANTS                        7

     4.1  Maintenance and Access to Records                 7
     4.2  Notices of Certain Events                         7
     4.3  Additional Information                            8
     4.4  Maintenance of Corporate Existence and
           Good Standing                                    8
     4.5  Compliance with Laws                              9
     4.6  Payment of Assessments and Charges                9
     4.7  Indemnification                                   9
     4.8  Further Assurances                                10

ARTICLE V NEGATIVE COVENANTS                                10

     5.1  Indebtedness                                      11
     5.2  Contingent Obligations                            11
     5.3  Liens                                             11
     5.4  Sales of Assets                                   11
     5.5  Loans or Advances                                 12
     5.6  Investments                                       12
     5.7  Dividends and Distributions                       12
     5.8  Capital Expenditures                              12
     5.9  Issuance of Stock; Changes in Corporate Structure 13
     5.10 Transactions with Affiliates                      13
     5.11  Rental or Lease Agreements                       13
     5.12 Tangible Net Worth                                13
     5.13 Current Ratio                                     13
     5.14 Total Debt to Capitalization Ratio                13
     5.15 Cash Flow Coverage                                13

ARTICLE VI     MISCELLANEOUS                                14

     6.1  Survival of Representations, Warranties, and
           Covenants                                        14
     6.2  Notices and Other Communications                  14
     6.3  Parties in Interest                               14
     6.4  Rights of Third Parties                           15
     6.5  No Waiver; Rights Cumulative                      15
     6.6  Survival Upon Unenforceability                    15
     6.7  Amendments; Waivers                               15
     6.8  Review of Guaranty                                15
     6.9  Payments                                          15
     6.10 GOVERNING LAW                                     15
     6.11 JURISDICTION AND VENUE                            16
     6.12 WAIVER OF RIGHTS TO JURY TRIAL                    16
     6.13 ENTIRE AGREEMENT                                  16

<PAGE>
     GUARANTY


          This GUARANTY (this "Guaranty") dated as of March 31, 1995, is by
HOWELL CORPORATION, a Delaware corporation (the "Guarantor"), in favor of the
Lenders signatory to the Credit Agreement (as such term is defined below) from
time to time (together with their respective successors and assigns, the
"Lenders"), and BANK ONE, TEXAS, NATIONAL ASSOCIATION, a national banking
association ("Bank One"), as Agent for the Lenders pursuant to the Credit
Agreement (in such capacity, together with its successors in such capacity
pursuant to the terms of the Credit Agreement, the "Agent").


     W I T N E S S E T H :

          WHEREAS, pursuant to the terms and conditions of the Credit Agreement
dated of even date herewith by and among Howell Petroleum Corporation, a
Delaware corporation (the "Borrower"), the Agent, and the Lenders (as such
agreement may be amended, restated, or supplemented from time to time, the
"Credit Agreement"), the Lenders have agreed to extend credit to or for the
benefit of the Borrower;

          WHEREAS, the Guarantor has heretofore executed that certain Guaranty
dated December 31, 1992, in favor Bank One (as heretofore amended or
supplemented from time to time, the "Prior Guaranty"), guaranteeing all
Indebtedness of the Borrower to Bank One under the Existing Credit Agreement (as
such term is defined in the Credit Agreement);

          WHEREAS, the Guarantor, as the sole shareholder of the Borrower, will
derive substantial direct and indirect benefits from the extension of credit to
the Borrower pursuant to the Credit Agreement;

          WHEREAS, pursuant to the Credit Agreement and as an inducement to the
Lenders to extend credit to the Borrower pursuant to the Credit Agreement, the
Guarantor has agreed to execute this Guaranty in favor of the Agent for the
benefit of the Lenders;

          NOW, THEREFORE, in consideration of the premises and the mutual
covenants herein contained, the parties hereto agree that the Prior Guaranty is
hereby amended and restated in its entirety to read as follows:


                                    ARTICLE I

                         DEFINITIONS AND INTERPRETATION

          1.1  Terms Defined Above.  As used in this Guaranty, each of the terms
"Agent," "Bank One," "Borrower," "Credit Agreement," "Guarantor," "Guaranty,"
"Lenders," and "Prior Guaranty" shall have the meaning assigned to such term
hereinabove.

          1.2  Terms Defined in Credit Agreement.  Each capitalized term used
but not defined herein shall have the meaning assigned to such term in the
Credit Agreement.

          1.3  Additional Defined Terms.  As used in this Guaranty, each of the
following terms shall have the meaning assigned thereto in this Section, unless
the context otherwise requires:

          "Consolidated Cash Flow" shall mean, for any period, (a) the sum of
Consolidated Net Income for such period, Consolidated Interest Expense for such
period, and consolidated depreciation, amortization, and other non-cash expenses
for the Guarantor and the Subsidiaries for such period deducted in the
determination of Consolidated Net Income for such period, minus (b) cash
dividends paid by the Guarantor and non-cash revenues of the Guarantor and the
Subsidiaries during such period.

          "Consolidated Debt Service" shall mean, for any period, an amount
equal to the sum of Consolidated Interest Expense for such period plus
Consolidated Principal Payments for such period.

          "Consolidated Interest Expense" shall mean, for any period, the total
interest expense (including, without limitation, interest expense attributable
to capitalized leases) of the Guarantor and the Subsidiaries, on a consolidated
basis, for such period, determined in accordance with GAAP.

          "Consolidated Net Income" shall mean, for any period, the net income
(or loss) of the Guarantor and the Subsidiaries, on a consolidated basis, for
such period, determined in accordance with GAAP.

          "Consolidated Principal Payments" shall mean, for any period, the
total amount of all mandatory payments of principal with respect to Indebtedness
of the Guarantor and the Subsidiaries, on a consolidated basis, for such period,
but excluding any principal payments by the Borrower with respect to the
Obligations prior to the Commitment Termination Date.

          "Current Assets" shall mean the sum of all assets which would, in
accordance with GAAP, be included as current assets on a consolidated balance
sheet of the Guarantor and the Subsidiaries as of the date of calculation plus
an amount equal to the Available Commitment as of such date.

          "Current Liabilities" shall mean all liabilities which would, in
accordance with GAAP, be included as current liabilities on a consolidated
balance sheet of the Guarantor and the Subsidiaries as of the date of
calculation other than current liabilities with respect to the Obligations and
the Obligations (as defined in the Howell Crude Oil Credit Agreement).

          "Guaranteed Indebtedness" shall mean the Indebtedness and other
obligations as to which payment is guaranteed by the Guarantor hereunder
pursuant to Section 2.1.

          "Howell Crude Oil Credit Agreement" shall mean the Credit Agreement
dated as of March 31, 1995, by and among Howell Crude Oil Company, Bank One, as
Agent, and the lenders signatory thereto, as amended, restated, or supplemented
from time to time.

          "Howell Crude Oil Related Parties" shall mean Howell Crude Oil
Company, Howell Pipeline Texas, Inc., and Howell Pipeline USA, Inc.

          "Subsidiaries" shall mean all Subsidiaries (as defined in the Credit
Agreement) of the Guarantor.

          "Tangible Net Worth" shall mean (a) total assets, as would, in
accordance with GAAP, be reflected on a consolidated balance sheet of the
Guarantor and the Subsidiaries, exclusive of Intellectual Property, experimental
or organization expenses, franchises, licenses, permits, and other intangible
assets, treasury stock, unamortized underwriters' debt discount and expenses,
and goodwill minus (b) total liabilities, as would, in accordance with GAAP, be
reflected on a consolidated balance sheet of the Guarantor and the Subsidiaries.

          1.4  Undefined Financial Accounting Terms.  Undefined financial
accounting terms used in this Guaranty shall have the meanings assigned to such
terms according to GAAP.

          1.5  References.  The words "hereby," "herein," "hereinabove,"
"hereinafter," "hereinbelow," "hereof," "hereunder," and words of similar import
when used in this Guaranty shall refer to this Guaranty as a whole and not to
any particular Article, Section, or provision of this Guaranty.  References in
this Guaranty to Article or Section numbers are to such Articles or Sections of
this Guaranty unless otherwise specified.

          1.6  Articles and Sections.  This Guaranty, for convenience only, has
been divided into Articles and Sections; and it is understood that the rights
and other legal relations of the parties hereto shall be determined from this
instrument as an entirety and without regard to the aforesaid division into
Articles and Sections and without regard to headings prefixed to such Articles
or Sections.

          1.7  Number and Gender.  Whenever the context requires, reference
herein made to the single number shall be understood to include the plural; and
likewise, the plural shall be understood to include the singular.  Words
denoting sex shall be construed to include the masculine, feminine and neuter,
when such construction is appropriate; and specific enumeration shall not
exclude the general but shall be construed as cumulative.  Definitions of terms
defined in the singular or plural shall be equally applicable to the plural or
singular, as the case may be, unless otherwise indicated.


                                   ARTICLE II

                                    GUARANTY

          2.1  Guaranty.  The Guarantor unconditionally guarantees to the Agent
and the Lenders the prompt payment and performance when due (whether at stated
maturity, by acceleration, or otherwise) of the Obligations.

          2.2  Absolute, Complete, and Continuing Guaranty.  This is an
absolute, complete, and continuing Guaranty; and no notice of the Obligations,
the making of any Loans, the issuance of any Letter of Credit, the making of any
Letter of Credit Payment, or any extension of credit now or hereafter contracted
by or extended to the Borrower need be given to the Guarantor.  The grant of any
Liens by the Guarantor shall not in anyway limit or be construed as limiting the
Agent to collect payment of any liability of the Guarantor incurred hereby from
the Collateral, but it is expressly understood and provided that the liability
of the Guarantor hereunder shall constitute the absolute and unconditional
obligation of the Guarantor.  The Borrower and the Lenders may, in accordance
with the terms of the Credit Agreement, rearrange, extend, and/or renew all or
any portion of the Obligations without notice to the Guarantor; and in such
event, the Guarantor shall remain fully bound hereunder for payment of the
Guaranteed Indebtedness.  The obligations of the Guarantor hereunder shall not
be released, impaired, or diminished by any amendment, modification, or
alteration of any Loan Document, except as may be expressly provided in any such
amendment, modification, or alteration.  The Guarantor shall remain liable under
this Guaranty regardless of whether the Borrower or any other guarantor be found
not liable on all or any part of the Obligations for any reason, including,
without limitation, insanity, minority, disability, bankruptcy, insolvency,
death, liquidation, or dissolution, even though rendering all or any part of the
Obligations void, unenforceable, or uncollectible as against the Borrower or any
other guarantor.  This Guaranty shall continue to be effective or shall be
reinstated, as the case may be, if at any time any payment of any of the
Guaranteed Indebtedness is rescinded or must otherwise be returned by the Agent
or any Lender upon the insolvency, bankruptcy, or reorganization of the Borrower
or otherwise, all as though such payment had not been made and will, thereupon,
guarantee payment of such amount as to which refund or restitution has been
made, together with interest accruing thereon subsequent to the date of refund
or restitution at the applicable rate under the Credit Agreement and collection
costs and fees (including, without limitation, attorneys' fees) applicable
thereto.

          2.3  Liability Not Impaired.  The liabilities and obligations of the
Guarantor hereunder shall not be affected or impaired by (a) the failure of the
Agent or any other Person to exercise diligence or reasonable care in the
preservation, protection, or other handling or treatment of all or any part of
the Collateral, (b) the failure of any Lien intended to be granted or created to
secure all or any part of the Obligations to be properly perfected or created or
the unenforceability of any Lien for any other reason, or (c) the subordination
of any such Lien to any other Lien.

          2.4  Primary Liability.  The liability of the Guarantor for the
payment of the Guaranteed Indebtedness shall be primary and not secondary.

          2.5  Security; Additional Guarantees.  The Guarantor authorizes the
Agent and the Lenders, without notice to or demand upon the Guarantor and
without affecting the liability of the Guarantor hereunder, (a) to take and hold
security voluntarily provided by any Person as security for the payment of all
or any portion of the Guaranteed Indebtedness and the other Obligations, and to
exchange, enforce, waive, and/or release any such security; (b) to apply such
security and direct the order or manner of sale thereof as the Agent or the
Lenders in their discretion may determine; and (c) to obtain a guaranty of all
or any portion of the Guaranteed Indebtedness and the other Obligations from any
one or more other Persons and to enforce, waive, rearrange, modify, limit, or
release at any time or times such other Persons from their obligations under
such guaranties, whether with or without consideration.

          2.6  Waivers.  The Guarantor waives any right to require the Agent or
any Lender to (a) proceed against the Borrower or make any effort at the
collection of the Guaranteed Indebtedness from the Borrower or any other
guarantor or Person liable for all or any part of the Guaranteed Indebtedness,
(b) proceed against or exhaust any collateral securing the Guaranteed
Indebtedness, or (c) pursue any other remedy in the power of the Agent or any
Lender.  The Guarantor further waives any and all rights and remedies of
suretyship, including, without limitation, those it may have or be able to
assert by reason of the provisions of Chapter 34 of the Texas Business and
Commerce Code.  The Guarantor waives any defense arising by reason of any
disability, lack of corporate authority or power, or other defense of the
Borrower or any other guarantor of all or any part of the Obligations.  The
Guarantor expressly waives all notices of any kind, presentment for payment,
demand for payment, protest, notice of protest, notice of intent to accelerate
maturity, notice of acceleration of maturity, dishonor, diligence, notice of any
amendment of any Loan Document, notice of any adverse change in the financial
condition of the Borrower, notice of any adjustment, indulgence, forbearance, or
compromise that might be granted or given by the Agent or any Lender to the
Borrower, and notice of acceptance of this Guaranty, acceptance on the part of
the Agent being conclusively presumed by its request for this Guaranty and the
delivery of this Guaranty to the Agent.  The liability and obligations of the
Guarantor hereunder shall not be affected or impaired by any action or inaction
by the Agent or any Lender in regard to any matter waived or notice of which is
waived by the Guarantor in this Guaranty.

          2.7  Pursuit of Remedies.  The Agent and the Lenders may pursue any
remedy without altering the obligations of the Guarantor hereunder and without
liability to the Guarantor, even though the pursuit of such remedy may result in
the loss by the Guarantor of rights of subrogation or to proceed against others
for reimbursement or contribution or any other right.

          2.8  Status of Borrower.  Should the status of the Borrower change in
any way, as a result of reorganization or dissolution, any sale, lease, or
transfer of any or all of the assets of the Borrower, any change in the
shareholders, partners, or members of the Borrower or otherwise, this Guaranty
shall continue and shall cover the Guaranteed Indebtedness under the new status.
This Section shall not, however, be construed to authorize any action by the
Borrower otherwise prohibited under the Credit Agreement or any other Loan
Document.

          2.9  Independent Review; Solvency.  The Guarantor is familiar with and
has independently reviewed the books and records regarding the financial
condition of the Borrower and is familiar with the value of any and all property
intended as Collateral; however, the Guarantor is not relying on such financial
condition or such Collateral as an inducement to enter into this Guaranty. The
Guarantor acknowledges that it is not relying on any representations (oral or
otherwise) of the Agent, any Lender or any other Person except as may be
expressly described in this Guaranty.  As of the date hereof, and after giving
effect to this Guaranty and the contingent obligations evidenced hereby, the
Guarantor is and will be solvent, and has and will have Property which, valued
fairly, exceed the obligations, debts, and liabilities of the Guarantor, and has
and will have Property in the State of Texas sufficient to satisfy, repay, and
discharge the same.  In the event of the insolvency of the Guarantor, the Agent
shall have the option to declare the Guaranteed Indebtedness immediately due and
payable from the Guarantor.

          2.10 Enforcement Costs.  If the Guaranteed Indebtedness is not paid by
the Guarantor when due, as required herein, and this Guaranty is placed in the
hands of an attorney for collection or is enforced by suit or through probate or
bankruptcy court or through any other judicial proceedings, the Guarantor shall
pay to the Agent an amount equal to the reasonable attorneys' fees and
collection costs incurred by the Agent or any Lender in the collection of the
Guaranteed Indebtedness.


                                   ARTICLE III

                         REPRESENTATIONS AND WARRANTIES

          To induce the Agent and the Lenders to enter into the Credit Agreement
and to make Loans to or for the benefit of and to issue Letters of Credit for
the account of the Borrower, the Guarantor represents and warrants to the Agent
(which representations and warranties shall survive the delivery of this
Guaranty and the other Loan Documents) that:

          3.1  Due Authorization.  The execution and delivery by the Guarantor
of this Guaranty and each other Loan Document to which the Guarantor is a party
and the performance of all obligations of the Guarantor hereunder are within the
power of the Guarantor, have been duly authorized by all necessary corporate
action, and do not and will not (a) require the consent of any Governmental
Authority, (b) contravene or conflict with any Requirement of Law, (c)
contravene or conflict with any indenture, instrument, or other agreement to
which the Guarantor is a party or by which any Property of the Guarantor may be
presently bound or encumbered, or (d) result in or require the creation or
imposition of any Lien upon any Property of the Guarantor other than as
contemplated by the Loan Documents.

          3.2  Corporate Existence.  The Guarantor is a corporation duly
organized, legally existing, and in good standing under the laws of the State of
Delaware and is duly qualified as a foreign corporation and is in good standing
in all jurisdictions wherein the ownership of Property or the operation of its
business necessitates same, other than those jurisdictions wherein the failure
to so qualify will not have a Material Adverse Effect.

          3.3  Valid and Binding Obligations.  This Guaranty and each other Loan
Document to which the Guarantor is a party, when duly executed and delivered by
the Guarantor, will be the legal, valid, and binding obligation of the
Guarantor, enforceable against the Guarantor in accordance with its terms.


                                   ARTICLE IV

                              AFFIRMATIVE COVENANTS

          Unless agreed in writing by the Agent to the contrary, the Guarantor
covenants, so long as any Obligation remains outstanding or unpaid or any
Commitment exists, to:

          4.1  Maintenance and Access to Records.  Keep adequate records, in
accordance with GAAP, of all its transactions so that at any time, and from time
to time, its true and complete financial condition may be readily determined,
and promptly following the reasonable request of the Agent or any Lender, make
such records available for inspection by the Agent or any Lender and, at the
expense of the Guarantor, allow the Agent or any Lender to make and take away
copies thereof.

          4.2  Notices of Certain Events.  Deliver to the Agent and each Lender,
promptly upon having knowledge thereof, a written statement with respect to the
occurrence of any of the following events or circumstances, signed by a
Responsible Officer of the Guarantor and setting forth the relevant event or
circumstance and the steps being taken by the Guarantor or any Subsidiary with
respect to such event or circumstance:

          (a)  any Default or Event of Default;

          (b)  any default or event of default under any contractual obligation
of the Guarantor or any Subsidiary, or any litigation, investigation, or
proceeding between the Guarantor or any Subsidiary and any Governmental
Authority which, in either case, if not cured or if adversely determined, as the
case may be, could reasonably be expected to have a Material Adverse Effect;

          (c)  any litigation or proceeding involving the Guarantor or any
Subsidiary as a defendant or in which any Property of the Guarantor or any
Subsidiary is subject to a claim and in which the amount involved is $1,000,000
or more and which is not covered by insurance or in which injunctive or similar
relief is sought;

          (d)  the receipt by the Guarantor or any Subsidiary of any
Environmental Complaint or any formal request from any Governmental Authority
for information (other than requirements for compliance reports) regarding any
Release of Hazardous Substances by the Guarantor or any Subsidiary or from,
affecting, or related to any Property of the Guarantor or any Subsidiary, the
effect of which could reasonably be expected to have a Material Adverse Effect;

          (e)  any actual, proposed, or threatened testing or other
investigation by any Governmental Authority or other Person concerning the
environmental condition of, or relating to, any Property of the Guarantor or any
Subsidiary following any allegation of a violation of any Requirement of Law,
the effect of which could reasonably be expected to have a Material Adverse
Effect;

          (f)  any Release of Hazardous Substances by the Guarantor or any
Subsidiary or from, affecting, or related to any Property of the Guarantor or
any Subsidiary or the violation of any Environmental Law, or the revocation,
suspension, or forfeiture of or failure to renew, any permit, license,
registration, approval, or authorization which could reasonably be expected to
have a Material Adverse Effect;

          (g)  any Reportable Event or imminently expected Reportable Event with
respect to any Plan or any withdrawal from, or the termination, Reorganization,
or Insolvency of, any Multiemployer Plan, or the institution of proceedings or
the taking of any other action by PBGC, the Guarantor, or any Commonly
Controlled Entity or Multiemployer Plan with respect to the withdrawal from or
the termination, Reorganization, or Insolvency of, any Single Employer Plan or
Multiemployer Plan; or any Prohibited Transaction in connection with any Plan or
any trust created thereunder, the effect of which could reasonably be expected
to have a Material Adverse Effect, and the action being taken by the Internal
Revenue Service with respect thereto; and

          (h)  any other event or condition which could reasonably be expected
to cause a Material Adverse Effect.

          4.3  Additional Information.  Furnish to the Agent and each Lender,
within five days after any material report (other than financial statements) or
other material communication is sent by the Guarantor or any Subsidiary to its
stockholders (in their capacity as stockholders) or filed by the Guarantor or
any Subsidiary with the Securities and Exchange Commission or any successor or
analogous Governmental Authority or with the Federal Energy Regulatory
Commission or the Texas Railroad Commission, copies of such report or
communication promptly upon the request of the Agent or any Lender, such
additional financial or other information concerning the assets, liabilities,
operations, and transactions of the Guarantor and the Subsidiaries as the Agent
or any Lender may from time to time request.

          4.4  Maintenance of Corporate Existence and Good Standing.  Maintain
its corporate existence or qualification and good standing in its jurisdiction
of incorporation and in all jurisdictions wherein the Property now owned or
hereafter acquired or business now or hereafter conducted necessitates same
except to the extent failure to do so would not have a Material Adverse Effect.

          4.5  Compliance with Laws.  Except to the extent the failure to comply
or cause compliance would not have a Material Adverse Effect, (a) comply with
all applicable Requirements of Law, including, without limitation, (i) the
Natural Gas Policy Act of 1978, as amended, (ii) ERISA, (iii) Environmental
Laws, and (iv) all permits, licenses, registrations, approvals, and
authorizations (A) related to any natural or environmental resource or media
located on, above, within, in the vicinity of, related to or affected by any
Property of the Guarantor, (B) required for the performance of the operations of
the Guarantor, or (C) applicable to the use, generation, handling, storage,
treatment, transport, or disposal of any Hazardous Substances; and (b) cause all
employees, crew members, agents, contractors, subcontractors, and future lessees
(pursuant to appropriate lease provisions) of the Guarantor, while such Persons
are acting within the scope of their relationship with the Guarantor, to comply
with all such Requirements of Law as may be necessary or appropriate to enable
the Guarantor to so comply.

          4.6  Payment of Assessments and Charges.  Pay all taxes, assessments,
governmental charges, rent, and other Indebtedness which, if unpaid, might
become a Lien against the Property of the Guarantor, except any of the foregoing
being contested in good faith and as to which adequate reserve in accordance
with GAAP has been established or unless failure to pay would not have a
Material Adverse Effect; and provide evidence satisfactory to the Agent of the
payment by the Guarantor of its obligations to the Department of Energy promptly
after the making of each such payment by the Guarantor.

          4.7  Indemnification.  INDEMNIFY AND HOLD THE AGENT AND EACH LENDER
AND THEIR RESPECTIVE SHAREHOLDERS, OFFICERS, DIRECTORS, EMPLOYEES, AGENTS,
ATTORNEY-IN-FACT, AND AFFILIATES AND EACH TRUSTEE FOR THE BENEFIT OF THE AGENT
OR THE LENDERS UNDER ANY SECURITY INSTRUMENT HARMLESS FROM AND AGAINST ANY AND
ALL CLAIMS, LOSSES, DAMAGES, LIABILITIES, FINES, PENALTIES, CHARGES,
ADMINISTRATIVE AND JUDICIAL PROCEEDINGS AND ORDERS, JUDGMENTS, REMEDIAL ACTIONS,
REQUIREMENTS AND ENFORCEMENT ACTIONS OF ANY KIND, AND ALL COSTS AND EXPENSES
INCURRED IN CONNECTION THEREWITH (INCLUDING, WITHOUT LIMITATION, ATTORNEYS' FEES
AND EXPENSES), ARISING DIRECTLY OR INDIRECTLY, IN WHOLE OR IN PART, FROM (A) THE
PRESENCE OF ANY HAZARDOUS SUBSTANCES ON, UNDER, OR FROM THE PROPERTY OF THE
GUARANTOR OR ANY SUBSIDIARY, WHETHER PRIOR TO OR DURING THE TERM HEREOF, (B) ANY
ACTIVITY CARRIED ON OR UNDERTAKEN ON OR OFF THE PROPERTY OF THE GUARANTOR OR ANY
SUBSIDIARY, WHETHER PRIOR TO OR DURING THE TERM HEREOF, AND WHETHER BY THE
GUARANTOR OR ANY SUBSIDIARY OR ANY PREDECESSOR IN TITLE, EMPLOYEE, AGENT,
CONTRACTOR, OR SUBCONTRACTOR OF THE GUARANTOR OR ANY SUBSIDIARY OR ANY
PREDECESSOR IN TITLE, OR ANY OTHER PERSON AT ANY TIME OCCUPYING OR PRESENT ON
SUCH PROPERTY, IN CONNECTION WITH THE HANDLING, TREATMENT, REMOVAL, STORAGE,
DECONTAMINATION, CLEANUP, TRANSPORTATION, OR DISPOSAL OF ANY HAZARDOUS
SUBSTANCES AT ANY TIME LOCATED OR PRESENT ON OR UNDER SUCH PROPERTY, (C) ANY
RESIDUAL CONTAMINATION ON OR UNDER THE PROPERTY OF THE GUARANTOR OR ANY
SUBSIDIARY, (D) ANY CONTAMINATION OF ANY PROPERTY OR NATURAL RESOURCES ARISING
IN CONNECTION WITH THE GENERATION, USE, HANDLING, STORAGE, TRANSPORTATION, OR
DISPOSAL OF ANY HAZARDOUS SUBSTANCES BY THE GUARANTOR OR ANY SUBSIDIARY OR ANY
EMPLOYEE, AGENT, CONTRACTOR, OR SUBCONTRACTOR OF THE GUARANTOR OR ANY SUBSIDIARY
WHILE SUCH PERSONS ARE ACTING WITHIN THE SCOPE OF THEIR RELATIONSHIP WITH THE
GUARANTOR OR ANY SUBSIDIARY, IRRESPECTIVE OF WHETHER ANY OF SUCH ACTIVITIES WERE
OR WILL BE UNDERTAKEN IN ACCORDANCE WITH APPLICABLE REQUIREMENTS OF LAW, OR (E)
THE PERFORMANCE AND ENFORCEMENT OF ANY LOAN DOCUMENT, ANY ALLEGATION BY ANY
BENEFICIARY OF A LETTER OF CREDIT OF A WRONGFUL DISHONOR BY THE AGENT OF A CLAIM
OR DRAFT PRESENTED THEREUNDER, OR ANY OTHER ACT OR OMISSION IN CONNECTION WITH
OR RELATED TO ANY LOAN DOCUMENT OR THE TRANSACTIONS CONTEMPLATED THEREBY,
INCLUDING, WITHOUT LIMITATION, ANY OF THE FOREGOING ARISING FROM NEGLIGENCE,
WHETHER SOLE OR CONCURRENT, ON THE PART OF THE AGENT OR ANY LENDER OR ANY OF
THEIR RESPECTIVE SHAREHOLDERS, OFFICERS, DIRECTORS, EMPLOYEES, AGENTS, 
ATTORNEYS-IN-FACT, OR AFFILIATES OR ANY TRUSTEE FOR THE BENEFIT OF THE AGENT OR 
THE LENDERS UNDER ANY SECURITY INSTRUMENT, BUT EXCLUDING ANY OF THE FOREGOING IN
THIS SECTION ARISING FROM THE GROSS NEGLIGENCE OR WILLFUL MISCONDUCT OF THE
AGENT OR ANY LENDER; WITH THE FOREGOING INDEMNITY SURVIVING SATISFACTION OF ALL
OBLIGATIONS OF THE GUARANTOR HEREUNDER AND ALL OTHER OBLIGATIONS AND THE
TERMINATION OF THIS AGREEMENT AND THE CREDIT AGREEMENT.

          4.8  Further Assurances.  Promptly cure any defects in the execution
and delivery of any of the Loan Documents executed by the Guarantor and execute,
acknowledge, and deliver such other assurances and instruments as shall, in the
opinion of the Agent, be necessary to fulfill the terms of the Loan Documents
executed by the Guarantor.


                                    ARTICLE V

                               NEGATIVE COVENANTS

          Unless agreed in writing by the Agent to the contrary, so long as any
Obligation remains outstanding or unpaid or any Commitment exists, the Guarantor
will not:

          5.1  Indebtedness.  Create, incur, assume, or suffer to exist any
Indebtedness, whether by way of loan or otherwise; provided, however, the
foregoing restriction shall not apply to (a) the Obligations, (b) accounts
payable incurred in the ordinary course of business, which are not unpaid in
excess of 120 days beyond invoice date or are being contested in good faith and
as to which such reserve as is required by GAAP has been made, (c) Subordinated
Debt, (d) crude oil, natural gas, or other hydrocarbon swap agreements, in form
and substance and with a Person acceptable to the Required Lenders, provided
that each commitment issued under any approved crude oil, natural gas, or other
hydrocarbons swap agreement must also be approved by the Required Lenders, (e)
interest rate swap or other financial hedging agreements, in form and substance
and with a Person acceptable to the Required Lenders, (f) obligations (other
than Indebtedness for borrowed money or capitalized leases and obligations to
the Department of Energy) secured by Permitted Liens, (g) currently existing
Indebtedness of the Guarantor to the Department of Energy not exceeding the
principal amount of $9,387,000, or (h) Indebtedness of the Guarantor to Paul N.
Howell not exceeding $2,250,000.

          5.2  Contingent Obligations.  Create, incur, assume, or suffer to
exist any Contingent Obligation; provided, however, the foregoing restriction
shall not apply to (a) performance guarantees, performance surety or other bonds
provided in the ordinary course of business, (b) Contingent Obligations with
respect to indemnity obligations of the Howell Crude Oil Related Parties under
or pursuant to the Purchase and Sale Agreement (as defined in the Howell Crude
Oil Credit Agreement), (c) trade credit incurred or operating leases entered
into in the ordinary course of business, if permitted pursuant to the other
terms of this Guaranty, (d) the Obligations (as defined in the Howell Crude Oil
Credit Agreement), (e) the Guaranteed Indebtedness, (f) Contingent Obligations
(other than with respect to Indebtedness for borrowed money or capitalized
leases and obligations to the Department of Energy) secured by Permitted Liens,
or (g) the guaranty of the obligations of Howell Transportation Services, Inc.
owing to Associates Leasing, Inc. in an amount not exceeding $170,000.

          5.3  Liens.  Create, incur, assume, or suffer to exist any Lien on any
of its Properties, whether now owned or hereafter acquired, or its capital
stock, or permit any Subsidiary to do so; provided, however, the foregoing
restrictions shall not apply to (a) Permitted Liens, (b) Permitted Liens as such
term is defined in the Howell Crude Oil Credit Agreement, (c) Liens on Property
acquired by the Guarantor or any Subsidiary after the Closing Date and in effect
at the time of such acquisition, or (d) Liens securing the purchase price of
Property acquired by the Guarantor or any Subsidiary in the ordinary course of
business provided that such Liens cover only the acquired Property.

          5.4  Sales of Assets.  Without the prior written consent of the
Required Lenders, sell, transfer, or otherwise dispose of, in one or any series
of transactions in any 12-month period, assets, whether now owned or hereafter
acquired, or enter into any agreement to do so, or permit any Subsidiary to do
any of the foregoing in this Section; provided, however, the foregoing
restrictions shall not apply to (a) the sale of assets the aggregate book value
of which for the Guarantor and the Subsidiaries does not exceed in the aggregate
five percent (5%) of the net worth of the Guarantor, (b) the sale of
hydrocarbons or inventory in the ordinary course of business provided that no
contract for the sale of hydrocarbons shall obligate the Guarantor or any
Subsidiary to deliver hydrocarbons at some future date without receiving full
payment therefor within 90 days of delivery, (c) the sale by the Howell Crude
Oil Related Parties of crude oil pursuant to forward sales agreements, or (d)
the sale or other disposition of Property destroyed, lost, worn out, damaged, or
having only salvage value or no longer used or useful in the business of the
Guarantor or any Subsidiary.

          5.5  Loans or Advances.  Make or agree to make loans or advances to
any Person; provided, however, the foregoing restrictions shall not apply to
(a) advances or extensions of credit in the form of accounts receivable incurred
in the ordinary course of business and upon terms common in the industry for
such accounts receivable, (b) advances to employees for the payment of expenses
in the ordinary course of business, or (c) so long as no Default or Event of
Default exists, loans or advances to any Subsidiary.

          5.6  Investments.  Acquire Investments in, or purchase or otherwise
acquire all or substantially all of the assets of, any Person, or permit any
Subsidiary to do so; provided, however, the foregoing restriction shall not
apply to the purchase or acquisition of (a) Oil and Gas Properties, (b) the
Pipeline Properties (as defined in the Howell Crude Oil Credit Agreement), (c)
Investments in the form of (i) debt securities issued or directly and fully
guaranteed or insured by the United States Government or any agency or
instrumentality thereof, with maturities of no more than one year, (ii)
commercial paper of a domestic issuer rated at the date of acquisition at least
P-2 by Moody's Investor Service, Inc. or A-2 by Standard & Poor's Corporation
and with maturities of no more than one year from the date of acquisition, or
(iii) repurchase agreements covering debt securities or commercial paper of the
type permitted in this Section, certificates of deposit, demand deposits,
eurodollar time deposits, overnight bank deposits, and bankers' acceptances,
with maturities of no more than one year from the date of acquisition, issued by
or acquired from or through the Agent, any Lender, or any bank or trust company
organized under the laws of the United States or any state thereof and having
capital surplus and undivided profits aggregating at least $100,000,000, (d)
other short-term Investments similar in nature and degree of risk to those
described in clause (c) of this Section, (e) money-market funds, or (f) capital
expenditures for Howell Hydrocarbons & Chemicals, Inc. permitted by Section 5.8.

          5.7  Dividends and Distributions.  Declare, pay, or make, whether in
cash or other Property, any dividend or distribution on, or purchase, redeem, or
otherwise acquire for value, any share of any class of its capital stock at any
time that a Default or Event of Default exists or will occur as the result of
the payment of such dividend or distribution.

          5.8  Capital Expenditures.  Make expenditures in any fiscal year on
behalf of Howell Hydrocarbons & Chemicals, Inc. ("Howell Hydrocarbons"), or
permit Howell Hydrocarbons to do so, in excess of (a) the net income (exclusive
of any non-cash income) of Howell Hydrocarbons for such fiscal year as
determined in accordance with GAAP plus (b) depreciation, amortization, and
other non-cash expenses for such period deducted in the determination of net
income for such period.

          5.9  Issuance of Stock; Changes in Corporate Structure.  Issue or
agree to issue additional shares of capital stock, in one or any series of
transactions for any consideration other than cash; enter into any transaction
of consolidation, merger, or amalgamation; or liquidate, wind up, or dissolve
(or suffer any liquidation or dissolution); or permit any Subsidiary to do any
of the foregoing in this Section.

          5.10 Transactions with Affiliates.  Directly or indirectly, enter into
any material transaction (including the sale, lease, or exchange of Property or
the rendering of service) with any of its Affiliates, other than upon fair and
reasonable terms no less favorable than could be obtained in an arm's length
transaction with a Person which was not an Affiliate, or permit any Subsidiary
to do so.

          5.11  Rental or Lease Agreements.  Enter into any contract to rent or
lease as lessee any Properties, real or personal, or permit any Subsidiary to do
so; provided, however, the foregoing restrictions shall not apply to (a) leases
in effect as of the Closing Date and renewals and extensions thereof under terms
and conditions not materially different from those in effect as of the Closing
Date, (b) oil, gas, and mineral leases, (c) leases by the Howell Crude Oil
Related Parties of operating tankage at Webster, Texas, from Exxon Pipeline
Company (or its affiliate), the rental or lease payments for which in any
calendar or fiscal year do not exceed $237,600, or (d) other operating leases
the rental and lease payments under which in any calendar or fiscal year do not
exceed $500,000 in the aggregate for all such leases of the Guarantor and the
Subsidiaries.

          5.12 Tangible Net Worth.  Permit Tangible Net Worth to be less than
$65,250,000 plus (a) 50% of positive Consolidated Net Income for all fiscal
quarters ending subsequent to December 31, 1994, and (b) 70% of any increase in
net worth of the Guarantor resulting from the sale or issuance of capital stock
after December 31, 1994; provided, however, in the event the Borrower is
required by GAAP to write down the carrying value of its Oil and Gas Properties
as a result of lower prices for hydrocarbons, the required level of Tangible Net
Worth shall be reduced by the amount of such write down but not more than
$5,000,000 in the aggregate for all such write downs.

          5.13 Current Ratio. Permit the ratio of Current Assets to Current
Liabilities to be less than 1.0 to 1.0 at any time.

          5.14 Total Debt to Capitalization Ratio.  Permit the ratio of Total
Debt to Capitalization to be greater than .65 to 1.0 at any time prior to
December 31, 1995, or greater than .6 to 1.0 on or subsequent to December 31,
1995.

          5.15 Cash Flow Coverage.  Permit, as of the close of any fiscal
quarter, the ratio of (a) Consolidated Cash Flow for the preceding four fiscal
quarters to (b) Consolidated Debt Service for such quarters to be less than 1.75
to 1.0.


                                   ARTICLE VI

                                  MISCELLANEOUS

          6.1  Survival of Representations, Warranties, and Covenants.  All
representations and warranties of the Guarantor and all covenants and agreements
herein made shall survive the making of the Loans and the issuance of the
Letters of Credit and shall remain in force and effect so long as any Obligation
is outstanding or any Commitment exists.

          6.2  Notices and Other Communications.  Except as to verbal notices
expressly authorized herein, which verbal notices shall be confirmed in writing,
all notices, requests, and communications hereunder shall be in writing
(including by telecopy).  Unless otherwise expressly provided herein, any such
notice, request, demand, or other communication shall be deemed to have been
duly given or made when delivered by hand, or, in the case of delivery by mail,
two Business Days after deposited in the mail, certified mail, return receipt
requested, postage prepaid, or, in the case of telecopy notice, when receipt
thereof is acknowledged orally or by written confirmation report, addressed as
follows:

          (a)  if to the Agent or any Lender, to:

               Bank One, Texas, National Association
               910 Travis
               Houston, Texas 77002
               Attention:  Energy Group
               (or for notice by mail, to:
               P. O. Box 2629
               Houston, Texas 77252-2629
               Attention: Energy Group)
               Telecopy:  (713) 751-3544

          (b)  if to the Guarantor, to:

               Howell Corporation
               1111 Fannin, Suite 1500
               Houston, Texas 77002
               Attention:  Allyn Skelton
               Telecopy:  (713) 658-4007

          Any party may, by proper written notice hereunder to the others,
change the individuals or addresses to which such notices to it shall thereafter
be sent.

          6.3  Parties in Interest.  Subject to any applicable restrictions
contained herein, all covenants and agreements herein contained by or on behalf
of the Guarantor or the Agent shall be binding upon and inure to the benefit of
the Guarantor, the Agent, or the Lenders, as the case may be, and their
respective legal representatives, successors, and assigns.

          6.4  Rights of Third Parties.  All provisions herein are imposed
solely and exclusively for the benefit of the Guarantor, the Agent, and the
Lenders and their successors and assigns.  No other Person shall have any right,
benefit, priority, or interest hereunder or as a result hereof or have standing
to require satisfaction of provisions hereof in accordance with their terms.

          6.5  No Waiver; Rights Cumulative.  No course of dealing on the part
of the Agent or any Lender, their officers or employees, nor any failure or
delay by the Agent or any Lender with respect to exercising any of its rights
under any Loan Document shall operate as a waiver thereof.  The rights of the
Agent and the Lenders under the Loan Documents shall be cumulative and the
exercise or partial exercise of any such right shall not preclude the exercise
of any other right.

          6.6  Survival Upon Unenforceability.  In the event any one or more of
the provisions contained in any of the Loan Documents or in any other instrument
referred to herein or executed in connection with the Guaranteed Indebtedness or
the Obligations shall, for any reason, be held to be invalid, illegal, or
unenforceable in any respect, such invalidity, illegality, or unenforceability
shall not affect any other provision of any Loan Document or of any other
instrument referred to herein or executed in connection with such Guaranteed
Indebtedness or the Obligations.

          6.7  Amendments; Waivers.  Neither this Guaranty nor any provision
hereof may be amended, waived, discharged, or terminated orally, but only by an
instrument in writing signed by the party against whom enforcement of the
amendment, waiver, discharge, or termination is sought.

          6.8  Review of Guaranty.  This Guaranty was reviewed by the Guarantor,
and the Guarantor acknowledges and agrees that it understands fully all of the
terms of this Guaranty and the consequences and implications of its execution of
this Guaranty and has been afforded an opportunity to have this Guaranty
reviewed by an attorney and such other Persons as desired and to discuss the
terms, consequences, and implications of this Guaranty with such attorney and
other Persons.

          6.9  Payments.  All amounts becoming payable by the Guarantor under
this Guaranty shall be payable to the Agent at the address of the Agent set
forth hereinabove.

          6.10 GOVERNING LAW.  THIS GUARANTY SHALL BE DEEMED TO BE A CONTRACT
MADE UNDER AND SHALL BE CONSTRUED IN ACCORDANCE WITH AND GOVERNED BY THE LAWS OF
THE STATE OF TEXAS WITHOUT GIVING EFFECT TO PRINCIPLES THEREOF RELATING TO
CONFLICTS OF LAW, PROVIDED, HOWEVER, THAT VERNON'S TEXAS CIVIL STATUTES,
ARTICLE 5069, CHAPTER 15 (WHICH REGULATES CERTAIN REVOLVING CREDIT LOAN ACCOUNTS
AND REVOLVING TRI-PARTY ACCOUNTS) SHALL NOT APPLY.

          6.11 JURISDICTION AND VENUE.  ALL ACTIONS OR PROCEEDINGS WITH RESPECT
TO, ARISING DIRECTLY OR INDIRECTLY IN CONNECTION WITH, OUT OF, RELATED TO, OR
FROM THIS GUARANTY OR ANY OTHER LOAN DOCUMENT TO WHICH THE GUARANTOR IS A PARTY
MAY BE LITIGATED, AT THE SOLE DISCRETION AND ELECTION OF THE AGENT, IN COURTS
HAVING SITUS IN HOUSTON, HARRIS COUNTY, TEXAS.  THE GUARANTOR HEREBY SUBMITS TO
THE JURISDICTION OF ANY LOCAL, STATE, OR FEDERAL COURT LOCATED IN HOUSTON,
HARRIS COUNTY, TEXAS, AND HEREBY WAIVES ANY RIGHTS IT MAY HAVE TO TRANSFER OR
CHANGE THE JURISDICTION OR VENUE OF ANY LITIGATION BROUGHT AGAINST IT BY THE
AGENT OR ANY LENDER IN ACCORDANCE WITH THIS SECTION.

          6.12 WAIVER OF RIGHTS TO JURY TRIAL.  THE GUARANTOR AND THE AGENT
HEREBY KNOWINGLY, VOLUNTARILY, INTENTIONALLY, IRREVOCABLY, AND UNCONDITIONALLY
WAIVE ALL RIGHTS TO TRIAL BY JURY IN ANY ACTION, SUIT, PROCEEDING, COUNTERCLAIM,
OR OTHER LITIGATION THAT RELATES TO OR ARISES OUT OF ANY OF THIS GUARANTY OR ANY
OTHER LOAN DOCUMENT OR THE ACTS OR OMISSIONS OF THE AGENT OR ANY LENDER IN THE
ENFORCEMENT OF ANY OF THE TERMS OR PROVISIONS OF THIS GUARANTY OR ANY OTHER LOAN
DOCUMENT OR OTHERWISE WITH RESPECT THERETO.  THE PROVISIONS OF THIS SECTION ARE
A MATERIAL INDUCEMENT FOR THE AGENT AND THE LENDERS ENTERING INTO THE CREDIT
AGREEMENT.

          6.13 ENTIRE AGREEMENT.  THIS GUARANTY AMENDS, RESTATES AND REPLACES
THE PRIOR GUARANTY AND CONSTITUTES THE ENTIRE AGREEMENT BETWEEN THE PARTIES
HERETO WITH RESPECT TO THE SUBJECT HEREOF AND SHALL SUPERSEDE ANY PRIOR
AGREEMENTS, WHETHER WRITTEN OR ORAL, BETWEEN THE PARTIES HERETO RELATING TO THE
SUBJECT HEREOF, INCLUDING, WITHOUT LIMITATION, THE PRIOR GUARANTY AND THE
CORRESPONDENCE DATED FEBRUARY 9, 1995, FROM BANK ONE TO THE GUARANTOR AND THE
TERM SHEET ENCLOSED THEREWITH.  FURTHERMORE, IN THIS REGARD, THIS GUARANTY AND
THE OTHER WRITTEN LOAN DOCUMENTS REPRESENT, COLLECTIVELY, THE FINAL AGREEMENT
AMONG THE PARTIES THERETO AND MAY NOT BE CONTRADICTED BY EVIDENCE OF PRIOR,
CONTEMPORANEOUS, OR SUBSEQUENT ORAL AGREEMENTS OF SUCH PARTIES.  THERE ARE NO
UNWRITTEN ORAL AGREEMENTS AMONG SUCH PARTIES.

          IN WITNESS WHEREOF, this Guaranty is executed as of the date first
above written.

                              HOWELL CORPORATION


                              By:  /s/ Paul W. Funkhouser
                                   ----------------------
                                    Paul W. Funkhouser
                                    President


                              BANK ONE, TEXAS, NATIONAL
                              ASSOCIATION, AS AGENT


                              By:  /s/ Stephen M. Smith
                                   --------------------
                                   Stephen M. Smith
                                   Vice President




EXHIBIT 10.3






                                        
                                CREDIT AGREEMENT
                                        
                                      AMONG

                            HOWELL CRUDE OIL COMPANY,
                                  AS BORROWER,

                             BANK ONE, TEXAS, N.A.,
                            AS AGENT AND AS A LENDER,

                                BANK OF MONTREAL,
                                  AS A LENDER,

                              COMPASS BANK-HOUSTON,
                                  AS A LENDER,

                                       AND

                               DEN NORSKE BANK AS,
                                   AS A LENDER


                           Dated as of March 31, 1995

<PAGE>

                                TABLE OF CONTENTS
                                                                Page

ARTICLE I DEFINITIONS AND INTERPRETATION

     1.1  Terms Defined Above                                     1
     1.2  Additional Defined Terms                                1
     1.3  Undefined Financial Accounting Terms                   19
     1.4  References                                             19
     1.5  Articles and Sections                                  19
     1.6  Number and Gender                                      19
     1.7  Incorporation of Exhibits                              20

ARTICLE II     TERMS OF FACILITY

     2.1  Term Loan                                              20
     2.2  Letter of Credit Facility                              20
     2.3  Limitations on Interest Periods                        22
     2.4  Limitation on Types of Loans                           22
     2.5  Use of Loan Proceeds and Letters of Credit             23
     2.6  Interest                                               23
     2.7  Repayment of Loans and Interest                        24
     2.8  General Terms                                          24
     2.9  Time, Place, and Method of Payments                    25
     2.10 Pro Rata Treatment; Adjustments                        25
     2.11 Borrowing Base Determinations                          26
     2.12 Mandatory Prepayments; Cash Collateral                 26
     2.13 Voluntary Prepayments and Conversions of Loans         27
     2.14 Commitment Fee                                         27
     2.15 Facility Fee                                           27
     2.16 Letter of Credit Fee                                   27
     2.17 Agency Fee                                             28
     2.18 Loans to Satisfy Obligations of Borrower               28
     2.19 Security Interest in Accounts; Right of Offset         28
     2.20 General Provisions Relating to Interest                28
     2.21 Obligations Absolute                                   29
     2.22 Yield Protection                                       30
     2.23 Illegality                                             32
     2.24 Taxes                                                  32
     2.25 Replacement Lenders                                    33
     2.26 Regulatory Change                                      34

ARTICLE III    CONDITIONS

     3.1  Conditions Precedent to Loans                          35
     3.2  Conditions Precedent to Issuance of Letters
           of Credit                                             39

ARTICLE IV     REPRESENTATIONS AND WARRANTIES

     4.1  Due Authorization                                      40
     4.2  Corporate Existence                                    40
     4.3  Valid and Binding Obligations                          40
     4.4  Security Instruments                                   40
     4.5  Title to Assets                                        40
     4.6  Scope and Accuracy of Financial Statements             40
     4.7  No Material Misstatements                              41
     4.8  Liabilities, Litigation, and Restrictions              41
     4.9  Authorizations; Consents                               41
     4.10 Compliance with Laws                                   41
     4.11 ERISA                                                  41
     4.12 Environmental Laws                                     42
     4.13 Compliance with Federal Reserve Regulations            42
     4.14 Investment Company Act Compliance                      42
     4.15 Public Utility Holding Company Act Compliance          42
     4.16 Proper Filing of Tax Returns; Payment of Taxes Due     43
     4.17 Intellectual Property                                  43
     4.18 Casualties or Taking of Property                       43
     4.19 Locations of Borrower                                  43
     4.20 Subsidiaries                                           43

ARTICLE V AFFIRMATIVE COVENANTS

     5.1  Maintenance and Access to Records                      43
     5.2  Quarterly Financial Statements; Compliance
           Certificates                                          44
     5.3  Annual Financial Statements; Compliance
           Certificates                                          44
     5.4  Monthly Reports                                        44
     5.5  Title Opinions; Title Defects                          44
     5.6  Notices of Certain Events                              44
     5.7  Additional Information                                 46
     5.8  Compliance with Laws                                   46
     5.9  Payment of Assessments and Charges                     47
     5.10 Maintenance of Corporate Existence and
           Good Standing                                         47
     5.11 Further Assurances                                     47
     5.12 Fees and Expenses                                      47
     5.13 Operation of Pipeline Properties                       48
     5.14 Maintenance and Inspection of Properties               48
     5.15 Maintenance of Insurance                               48
     5.16 Maintenance of Operating Accounts                      48
     5.17 Indemnification                                        48

ARTICLE VI     NEGATIVE COVENANTS

     6.1  Indebtedness                                           50
     6.2  Contingent Obligations                                 50
     6.3  Liens                                                  50
     6.4  Sales of Assets                                        50
     6.5  Loans or Advances                                      51
     6.6  Investments                                            51
     6.7  Dividends and Distributions                            51
     6.8  Issuance of Stock; Changes in Corporate
           Structure                                             51
     6.9  Transactions with Affiliates                           51
     6.10 Lines of Business                                      51
     6.11 Rental or Lease Agreements                             52
     6.12 ERISA Compliance                                       52
     6.13 Tangible Net Worth                                     52
     6.14 Cash Flow Coverage                                     52
     6.15 Futures Contracts                                      52

ARTICLE VII    EVENTS OF DEFAULT

     7.1  Enumeration of Events of Default                       52
     7.2  Remedies                                               55

ARTICLE VIII   THE AGENT

     8.1  Appointment                                            56
     8.2  Delegation of Duties                                   56
     8.3  Exculpatory Provisions                                 56
     8.4  Reliance by Agent                                      57
     8.5  Notice of Default                                      57
     8.6  Non-Reliance on Agent and Other Lenders                57
     8.7  Indemnification                                        58
     8.8  Restitution                                            59
     8.9  Agent in Its Individual Capacity                       59
     8.10 Successor Agent                                        59
     8.11 Applicable Parties                                     60

ARTICLE IX     MISCELLANEOUS

     9.1  Assignments; Participations                            60
     9.2  Survival of Representations, Warranties,
           and Covenants                                         61
     9.3  Notices                                                61
     9.4  Parties in Interest                                    61
     9.5  Rights of Third Parties                                61
     9.6  No Waiver; Rights Cumulative                           62
     9.7  Survival Upon Unenforceability                         62
     9.8  Amendments; Waivers                                    62
     9.9  Controlling Agreement                                  63
     9.10 GOVERNING LAW                                          63
     9.11 JURISDICTION AND VENUE                                 63
     9.12 WAIVER OF RIGHTS TO JURY TRIAL                         63
     9.13 ENTIRE AGREEMENT                                       64
     9.14 Counterparts                                           64



     LIST OF EXHIBITS


Exhibit I      -    Form of Notes
Exhibit II     -    Form of Assignment Agreement
Exhibit III    -    Form of Borrowing Base Report
Exhibit IV     -    Form of Borrowing Request
Exhibit V      -    Commitment Amounts
Exhibit VI     -    Form of Compliance Certificate
Exhibit VII    -    Existing Letters of Credit
Exhibit VIII   -    Notice of Change in Total Debt to Capitalization Ratio
Exhibit IX     -    Form of Opinion of Counsel
Exhibit X      -    Form of Opinion of Local Counsel
Exhibit XI     -    Disclosures

<PAGE>

           THIS  CEDIT AGREEMENT is made and entered into as of the 31st day  of
March, 1995, by and among HOWELL CRUDE OIL COMPANY, a Delaware corporation  (the
"Borrower"), BANK ONE, TEXAS, N.A., a national banking association ("Bank One"),
BANK  OF  MONTREAL, a Canadian chartered bank ("BOM"), COMPASS  BANK-HOUSTON,  a
Texas state chartered banking institution ("Compass"), and DEN NORSKE BANK AS, a
Norwegian bank ("DNB;" with each of Bank One, BOM, Compass, DNB, and each  other
lender that becomes a signatory hereto as provided in Section 9.1, individually,
together with its successors and assigns, a "Lender" and, collectively, together
with  their respective successors and assigns, the "Lenders"), and Bank One,  as
agent  for the Lenders (in such capacity, together with its successors  in  such
capacity pursuant to the terms hereof, the "Agent").


     W I T N E S S E T H:

           In  consideration  of  the  mutual covenants  and  agreements  herein
contained, the parties hereto hereby agree as follows, amending and restating in
its  entirety the Credit Agreement dated as of December 23, 1994, by and between
the Borrower and Bank One (as heretofore amended, restated, or supplemented, the
"Existing Credit Agreement"):

                                    ARTICLE I
                         DEFINITIONS AND INTERPRETATION

1.1   Terms Defined Above.  As used in this Agreement, the terms "Agent,"  "Bank
One,"   "BOM,"  "Borrower,"  "Compass,"  "DNB,"  "Existing  Credit   Agreement,"
"Lender," and "Lenders" shall have the meaning assigned to them hereinabove.

1.2  Additional Defined Terms.  As used in this Agreement, each of the following
terms  shall  have  the  meaning assigned thereto in this  Section,  unless  the
context otherwise requires:

           "Accounts"  shall  mean all accounts receivable, book  debts,  notes,
drafts, instruments, documents, acceptances, and other forms of obligations  now
owned  or hereafter received or acquired by or belonging or owing to any  Person
(including,  without  limitation, under any trade names,  styles,  or  divisions
thereof),  whether arising from the sale or lease of goods or the  rendition  of
services  or  any  other transaction (including, without  limitation,  any  such
obligation which might be characterized as an account, general intangible, other
than  contract rights under contracts containing prohibitions against assignment
of  or  the granting of a security interest in the rights of a party thereunder,
or   chattel  paper  under  the  Uniform  Commercial  Code  in  effect  in   any
jurisdiction),  and  all rights of such Person in, to, and  under  all  purchase
orders  now owned or hereafter received or acquired by it for goods or services,
and  all rights of such Person to any goods the sale or lease of which gave rise
to  any of the foregoing (including, without limitation, returned or repossessed
goods and rights of unpaid sellers), and all moneys due or to become due to such
Person under all contracts for the sale or lease of goods or the performance  of
services (whether or not earned by performance) or in connection with any  other
transaction,   now  in  existence  or  hereafter  arising,  including,   without
limitation,  all  collateral security and guarantees of any kind  given  by  any
Person with respect to any of the foregoing.

           "Additional  Costs" shall mean costs which the Agent  or  any  Lender
determines  are  attributable  to  its obligation  to  make  or  its  making  or
maintaining any LIBO Rate Loan or issuing or participating in Letters of Credit,
or  any reduction in any amount receivable by the Agent or any Lender in respect
of any such obligation or any LIBO Rate Loan or Letter of Credit, resulting from
any  Regulatory  Change which (a) changes the basis of taxation of  any  amounts
payable  to the Agent or such Lender under this Agreement or any Note in respect
of  any  LIBO  Rate Loan or Letter of Credit (other than taxes  imposed  on  the
overall net income of the Agent or such Lender or its Applicable Lending  Office
for  any  such  LIBO Rate Loan by the jurisdiction in which the  Agent  or  such
Lender  has  its principal office or Applicable Lending Office), (b) imposes  or
modifies  any  reserve,  special deposit, minimum  capital,  capital  ratio,  or
similar  requirements  (other  than  the Reserve  Requirement  utilized  in  the
determination  of  the  Adjusted  LIBO Rate  for  such  Loan)  relating  to  any
extensions  of  credit  or  other  assets of, or  any  deposits  with  or  other
liabilities of, the Agent or such Lender (including LIBO Rate Loans  and  Dollar
deposits in the London interbank market in connection with LIBO Rate Loans),  or
the  Commitment of the Agent or such Lender, or the London interbank market,  or
(c)  imposes any other condition affecting this Agreement or any Note or any  of
such extensions of credit, liabilities, or Commitments.

           "Adjusted LIBO Rate" shall mean, for any Interest Period for any LIBO
Rate  Loan,  an interest rate per annum (rounded upwards, if necessary,  to  the
nearest 1/100 of 1%) determined by the Agent to be equal to the quotient of  (a)
the  sum  of  the  LIBO Rate for such Interest Period for  such  Loan  plus  the
Applicable Margin from time to time in effect divided by (b) 1 minus the Reserve
Requirement for such Loan for such Interest Period, such rate to be computed  on
the basis of a year of 360 days and actual days elapsed (including the first day
but excluding the last day) during the period for which payable, but in no event
shall such rate exceed the Highest Lawful Rate.

           "Affiliate"  shall mean any Person directly or indirectly  controlled
by,  controlling,  or under common control with, the Borrower and  includes  any
Subsidiary  of  the  Borrower and any "affiliate" of  the  Borrower  within  the
meaning  of  Reg. 240.12b-2 of the Securities Exchange Act of 1934, as  amended,
with  "control,"  as  used in this definition, meaning possession,  directly  or
indirectly,  of  the  power  to  direct or cause the  direction  of  management,
policies  or  action  through ownership of voting securities,  contract,  voting
trust,  or  membership  in  management or in the group  appointing  or  electing
management  or  otherwise  through formal or informal arrangements  or  business
relationships.

           "Agency  Fee  Letter"  shall mean the letter agreement  dated  as  of
February  9,  1995,  between Bank One and Howell Corporation concerning  certain
fees in connection with the transactions contemplated hereby, and any agreements
or  instruments  executed  in connection therewith,  as  amended,  restated,  or
supplemented from time to time.

           "Agreement" shall mean this Credit Agreement, as it may  be  amended,
supplemented, or restated from time to time.

           "Allocated Current Federal Income Taxes" shall mean, for  any  period
for  any  Person, the estimate of federal income taxes allocable to such  Person
pursuant to Section 1552(a)(1) of the Code for such period.

           "Applicable Lending Office" shall mean, for each Lender and  type  of
Loan,  the  lending  office  of such Lender (or an  affiliate  of  such  Lender)
designated  for such type of Loan on the signature pages hereof  or  such  other
office  of such Lender (or an affiliate of such Lender) as such Lender may  from
time  to  time specify to the Agent and the Borrower as the office by which  its
Loans of such type are to be made and maintained.

           "Applicable Margin" shall mean, as to each LIBO Rate Loan and subject
to adjustment as provided in Section 2.6, two percent (2%).

            "Assignment   Agreement"   shall  mean  an   Assignment   Agreement,
substantially in the form of Exhibit II, with appropriate insertions.

          "Available L/C Commitment" shall mean, at any time, an amount equal to
the remainder, if any, of (a) the lesser of the Maximum L/C Commitment Amount or
the  Borrowing  Base in effect at such time minus (b) the L/C Exposure  at  such
time.

           "Base  Rate"  shall mean the interest rate announced or published  by
Bank One from time to time as its general reference rate of interest, which Base
Rate  shall  change  upon  each change in such announced  or  published  general
reference interest rate and which Base Rate may not be the lowest interest  rate
charged by Bank One.

           "Borrowing Base" shall mean, at any time, an amount equal to  80%  of
the aggregate amount of all Eligible Accounts at such time.

           "Borrowing Base Report" shall mean a report provided by the  Borrower
pursuant to Section 5.4, substantially in the form of Exhibit III hereto.

           "Borrowing Request" shall mean each written request, in substantially
the  form  attached hereto as Exhibit IV, by the Borrower to  the  Agent  for  a
borrowing or conversion pursuant to Section 2.1 or 2.13, each of which shall:

     be signed by a Responsible Officer of the Borrower;

      specify  the amount and type of Loan requested or the Loan to be converted
and  the  requested  date  of such borrowing or conversion  (which  shall  be  a
Business Day);

      when  requesting a Floating Rate Loan, be delivered to the Agent no  later
than noon, Central Standard or Daylight Savings Time, as the case may be, on the
Business Day of the requested borrowing or conversion; and

      when requesting a LIBO Rate Loan, be delivered to the Agent no later  than
9:00  a.m., Central Standard or Daylight Savings Time, as the case may  be,  the
second  Business  Day  preceding  the  requested  borrowing  or  conversion  and
designate the Interest Period requested with respect to such Loan.

           "Business Day" shall mean (a) for all purposes other than as  covered
by  clause  (b)  of this definition, a day other than a Saturday, Sunday,  legal
holiday for commercial banks under the laws of the State of Texas, or any  other
day when banking is suspended in the State of Texas, and (b) with respect to all
requests,  notices,  and  determinations in connection  with,  and  payments  of
principal  and  interest  on, LIBO Rate Loans, a day which  is  a  Business  Day
described in clause (a) of this definition and which is a day for trading by and
between banks for Dollar deposits in the London interbank market.

           "Capitalization" shall mean, at any time, the sum of Total Debt  plus
Consolidated Shareholders' Equity.

           "Cash  Flow"  shall mean, for any period for any Person,  Net  Income
(exclusive  of  any  non-cash  income) of  such  Person  for  such  period  plus
depreciation, amortization, and other non-cash expenses of such Person for  such
period  deducted  in  the determination of Net Income of such  Person  for  such
period.

          "Closing Date" shall mean March 31, 1995.

           "Code" shall mean the United States Internal Revenue Code of 1986, as
amended from time to time.

           "Collateral"  shall  mean  the Mortgaged  Properties,  all  Accounts,
Inventory, and general intangibles of the Borrower and each Pipeline Subsidiary,
all  capital  stock  of  the  Borrower, each  Pipeline  Subsidiary,  and  Howell
Petroleum  Corporation, a Delaware corporation, the Collateral  Notes,  and  any
other  Property now or at any time used or intended as security for the  payment
or performance of all or any portion of the Obligations.

           "Collateral Notes" shall mean the promissory notes from each Pipeline
Subsidiary  payable to the Borrower evidencing a loan by the  Borrower  to  such
Pipeline Subsidiary of a portion of the proceeds of the Term Loan.

           "Commitment  Period"  shall mean the period from  and  including  the
Closing Date to but not including the Commitment Termination Date.

          "Commitment Termination Date" shall mean June 1, 1996.

           "Commitments"  shall mean the several obligations of the  Lenders  to
make  and  maintain  Loans  to or for the benefit of the  Borrower  pursuant  to
Section  2.1  and  the  obligation of the Agent to  issue  and  the  Lenders  to
participate in Letters of Credit pursuant to Section 2.2.

           "Commonly  Controlled Entity" shall mean any Person  which  is  under
common  control with the Borrower or any Guarantor within the meaning of Section
4001 of ERISA.

          "Compliance Certificate" shall mean each certificate, substantially in
the form attached hereto as Exhibit VI, executed by a Responsible Officer of the
Borrower and Howell Corporation and delivered by the Borrower from time to  time
in accordance with the terms hereof.

           "Consolidated  Shareholders' Equity" shall mean,  at  any  time,  all
amounts  which  would, in accordance with GAAP, be included  under  consolidated
common  stock  and other stockholders' equity of Howell Corporation  (including,
without  limitation, amounts for non-redeemable preferred stock,  common  stock,
capital surplus, and retained earnings and other stockholders' equity so long as
not subject to any mandatory redemption).

           "Contingent Obligation" shall mean, as to any Person, any  obligation
of  such Person guaranteeing or in effect guaranteeing any Indebtedness, leases,
dividends,  or  other  obligations of any other Person  (for  purposes  of  this
definition,  a  "primary  obligation")  in  any  manner,  whether  directly   or
indirectly,  including,  without  limitation, any  obligation  of  such  Person,
regardless of whether such obligation is contingent, (a) to purchase any primary
obligation  or  any Property constituting direct or indirect security  therefor,
(b)  to  advance or supply funds (i) for the purchase or payment of any  primary
obligation, or (ii) to maintain working or equity capital of any other Person in
respect  of  any primary obligation, or otherwise to maintain the net  worth  or
solvency  of any other Person, (c) to purchase Property, securities or  services
primarily for the purpose of assuring the owner of any primary obligation of the
ability  of  the  Person primarily liable for such primary  obligation  to  make
payment  thereof, or (d) otherwise to assure or hold harmless the owner  of  any
such primary obligation against loss in respect thereof, with the amount of  any
Contingent  Obligation  being deemed to be equal to the stated  or  determinable
amount  of the primary obligation in respect of which such Contingent Obligation
is  made  or,  if not stated or determinable, the maximum reasonably anticipated
liability in respect thereof as determined by such Person in good faith.

           "Credit Accounts" shall mean any "account" as such term is defined in
Section  9.106  of the UCC and any "chattel paper" as such term  is  defined  in
Section 9.105(a)(2) of the UCC, now or hereafter owned by the Borrower, which is
classified  as a receivable on the balance sheet of the Borrower resulting  from
the sale of crude oil or condensate.

           "Debt Service" shall mean, for any fiscal quarter, an amount equal to
the  payments  of  principal required to be made by  the  Borrower  pursuant  to
Section  2.7 (regardless of whether such payments are in fact made and excluding
any  voluntary or mandatory prepayments) with respect to the Obligations  during
such quarter.

           "Default" shall mean any event or occurrence which with the lapse  of
time or the giving of notice or both would become an Event of Default.

           "Default Rate" shall mean a per annum interest rate equal to the Base
Rate plus five percent (5%), such rate to be computed on the basis of a year  of
365  or  366  days, as the case may be, and actual days elapsed  (including  the
first  day but excluding the last day) during the period for which payable,  but
in no event shall such rate exceed the Highest Lawful Rate.

           "Dollars" and "$" shall mean dollars in lawful currency of the United
States of America.

          "Eligible Accounts" shall mean, at a particular date, Credit Accounts:

                (a)  which are not outstanding more than 25 days from the end of
the preceding month;

               (b)  which are not outstanding more than 5 days past the due date
expressed in the related invoice;

                (c)  which are not owed by an obligor that has taken any of  the
actions or suffered any of the events of the kind described in Section 7.1(e) or
7.1(f),  unless the payment obligations of such obligor in respect of  any  such
Credit  Account  are  supported by a letter of credit the  terms  of  which  are
satisfactory to the Lender;

                (d)   which  are  bona  fide,  valid,  and  legally  enforceable
obligations of the parties thereto or the account debtor in respect thereof  and
arise from the actual sale and delivery of goods or the rendition of services in
the ordinary course of business to such parties or account debtors;

                 (e)   as  to  which  all  consents,  licenses,  approvals,   or
authorizations  of,  or  registrations or declarations  with,  any  Governmental
Authority  required  to be obtained, effected, or given in connection  with  the
execution,  delivery, and performance thereof by each party obligated thereunder
have  been duly obtained, effected, or given, are in full force and effect,  and
do  not  subject  the  scope of such Credit Accounts to any  materially  adverse
limitation, either specific or general in nature;

                (f)  as to which neither the Borrower nor (to the best knowledge
of  the  Borrower) any other party to such Credit Account is in  default  or  is
likely to become in default in the performance or observance of any of the terms
thereof and as to which the Borrower has fully performed all its obligations;

               (g)  against which, to the knowledge of the Borrower, no defense,
offset, counterclaim, or claim has been asserted and which, to the knowledge  of
the Borrower, are not subject to any defense, offset, counterclaim, or claim;

                (h)   which  are solely owned by the Borrower and in  which  the
Borrower  has good and marketable title, free and clear of any and all Liens  or
rights  of others, other than Permitted Liens, and which are subject to a  valid
and  continuing first-priority perfected Lien in favor of the Agent pursuant  to
the Security Instruments, subject only to Permitted Liens;

                (i)   as  to  which  no amounts payable under or  in  connection
therewith  are  evidenced by promissory notes or other  instruments  except  (i)
instruments  which  constitute  a part of chattel  paper  and  which  have  been
individually  marked to show the Lien created by the Security  Instruments,  and
(ii) notes or instruments which have been delivered to the Agent;

                (j)   as  to  which no security agreement, financing  statement,
equivalent  security or lien instrument, or continuation statement covering  all
or any part thereof is on file or of record in any public office, except such as
may  have been filed in favor of the Agent pursuant to the Security Instruments;
and

                (k)  which no Lender has otherwise determined in the exercise of
its  good  faith discretion to be unacceptable in accordance with its  customary
practices for facilities of this nature;

      but  excluding (i) such Credit Accounts owed by an obligor to  the  extent
such  Credit Accounts of such obligor exceed 25 percent of all Eligible Accounts
and  (ii)  all  Credit Accounts owed by an obligor 10 percent  of  whose  Credit
Accounts do not meet all of the requirements set forth above in this definition.

           "Environmental  Complaint" shall mean any written or oral  complaint,
order,  directive,  claim, citation, or notice of violation,  investigation,  or
potential  liability by or from any Governmental Authority or any  other  Person
with respect to (a) air emissions of Hazardous Substances, (b) spills, releases,
or  discharges  of  Hazardous  Substances to  soils,  any  improvements  located
thereon,  surface  water,  groundwater, or the sewer, septic,  waste  treatment,
storage,  or  disposal  systems  servicing any Property  of  the  Borrower,  any
Guarantor,  or  any  Affiliate of the Borrower or any Guarantor,  (c)  solid  or
liquid  waste  disposal,  (d) the use, generation, storage,  transportation,  or
disposal  of  any  Hazardous Substance, or (e) other environmental,  health,  or
safety  matters  affecting any Property of the Borrower, any Guarantor,  or  any
Affiliate of the Borrower or any Guarantor or the business conducted thereon.

          "Environmental Laws" shall mean (a) the following federal laws as they
may  be amended from time to time:  the Clean Air Act, the Clean Water Act,  the
Comprehensive  Environmental  Response,  Compensation  and  Liability  Act,  the
Endangered Species Act, the Hazardous Materials Transportation Act of 1986,  the
Occupational Safety and Health Act, the Oil Pollution Act of 1990, the  Resource
Conservation  and  Recovery  Act  of 1976, the  Safe  Drinking  Water  Act,  the
Superfund Amendments and Reauthorization Act, the Toxic Substances Control  Act,
and  the  Pipeline Safety Act; (b) any and all equivalent environmental statutes
of  any  state  in  which Property of the Borrower, Howell Corporation,  or  any
Affiliate of Howell Corporation is situated, as they may be amended from time to
time; (c) any rules or regulations promulgated under or adopted pursuant to  the
above  federal and state laws; and (d) any other equivalent federal,  state,  or
local  statute or any requirement, rule, regulation, code, ordinance,  or  order
adopted pursuant thereto, including, without limitation, those relating  to  the
generation,  transportation, treatment, storage, recycling, disposal,  handling,
or release of Hazardous Substances.

           "ERISA"  shall  mean the Employee Retirement Income Security  Act  of
1974,  as  amended  from  time  to  time, and  the  regulations  thereunder  and
interpretations thereof.

           "Event  of Default" shall mean any of the events specified in Section
7.1.

          "Excess Cash Flow" shall mean, for any fiscal quarter of the Borrower,
the  greater  of  (a)  the amount by which Cash Flow of  the  Borrower  and  the
Pipeline  Subsidiaries  for such quarter minus Debt  Service  for  such  quarter
exceeds  $250,000  or  (b)  the  amount by  which  Cash  Flow  of  the  Pipeline
Subsidiaries for such quarter exceeds Debt Service for such quarter.

           "Existing  Letters  of  Credit" shall  mean  the  letters  of  credit
described  on Exhibit VII issued by Bank One and outstanding as of  the  Closing
Date.

           "Existing Loan Documents" shall mean the Loan Documents, as such term
is defined in the Existing Credit Agreement.

           "Existing  Security Instruments" shall mean the Security Instruments,
as such term is defined in the Existing Credit Agreement.

           "Facility  Fee Letter" shall mean the letter agreement  dated  as  of
March  24, 1995, among the Agent, Bank One, BOM, Compass, DNB, and the  Borrower
concerning certain fees in connection with the transactions contemplated hereby,
and  any agreements or instruments executed in connection therewith, as amended,
restated, or supplemented from time to time.

           "Federal  Funds  Rate" shall mean, for any day, the  rate  per  annum
(rounded  upwards,  if  necessary, to the nearest 1/100  of  1%)  equal  to  the
weighted  average  of  the  rates on overnight federal funds  transactions  with
members of the Federal Reserve System arranged by federal funds brokers on  such
day,  as published by the Federal Reserve Bank of Dallas, Texas, on the Business
Day  next succeeding such day, provided that (a) if the day for which such  rate
is  to be determined is not a Business Day, the Federal Funds Rate for such  day
shall be such rate on such transactions on the next preceding Business Day as so
published  on the next succeeding Business Day, and (b) if such rate is  not  so
published for any day, the Federal Funds Rate for such day shall be the  average
rate charged to the Agent on such day on such transactions as determined by  the
Agent.

          "Final Maturity" shall mean April 1, 2002.

            "Financial  Statements"  shall  mean  statements  of  the  financial
condition as at the point in time and for the period indicated and consisting of
at  least a balance sheet and related statements of operations, common stock and
other  stockholders'  equity, and cash flows and, when  required  by  applicable
provisions  of  this  Agreement to be audited, accompanied  by  the  unqualified
certification  of  a nationally-recognized firm of independent certified  public
accountants or other independent certified public accountants acceptable to  the
Agent  and footnotes to any of the foregoing, all of which shall be prepared  in
accordance with GAAP (except that separate financial statements of the  Borrower
not consolidated with Howell Corporation need not contain footnotes or provision
for  income taxes) consistently applied and in comparative form with respect  to
the corresponding period of the preceding fiscal period.

           "Floating Rate" shall mean, for any day, an interest rate  per  annum
equal  to the greater of (a) the Base Rate for such day or (b) the Federal Funds
Rate for such day plus one-half of one percent (1/2%), such rate to be computed,
in  either case, on the basis of a year of 365  or 366 days, as the case may be,
and  actual  days elapsed (including the first day but excluding the  last  day)
during the period for which payable, but in no event shall such rate exceed  the
Highest Lawful Rate.

           "Floating Rate Loan" shall mean any portion of the Loan Balance which
the Borrower has requested bear interest at the Floating Rate, or which pursuant
to the terms hereof is otherwise required to bear interest at the Floating Rate.

          "GAAP" shall mean generally accepted accounting principles established
by  the  Financial  Accounting  Standards Board or  the  American  Institute  of
Certified  Public Accountants and in effect in the United States  from  time  to
time.

          "Governmental Authority" shall mean any nation, country, commonwealth,
territory,  government, state, county, parish, municipality, or other  political
subdivision   and  any  entity  exercising  executive,  legislative,   judicial,
regulatory, or administrative functions of or pertaining to government.

           "Guarantors" shall mean, collectively Howell Corporation and each  of
the Pipeline Subsidiaries.

           "Guaranties"  shall mean collectively, the Guaranty of  each  of  the
Guarantors  dated  of  even  date herewith, in favor  of  Agent,  in  each  case
guaranteeing  the payment and performance of the Obligations,  as  each  may  be
ratified, amended, restated, or supplemented from time to time.

           "Hazardous Substances" shall mean flammables, explosives, radioactive
materials,  hazardous  wastes,  asbestos, or any material  containing  asbestos,
polychlorinated  biphenyls  (PCBs),  toxic  substances  or  related   materials,
petroleum,  petroleum  products,  associated oil  or  natural  gas  exploration,
production,  and  development wastes, or any substances  defined  as  "hazardous
substances,"  "hazardous materials," "hazardous wastes," or  "toxic  substances"
under the Comprehensive Environmental Response, Compensation and Liability  Act,
as  amended,  the Superfund Amendments and Reauthorization Act, as amended,  the
Hazardous  Materials  Transportation Act, as amended, the Resource  Conservation
and  Recovery Act, as amended, the Toxic Substances Control Act, as amended,  or
any  other  law  or  regulation now or hereafter enacted or promulgated  by  any
Governmental Authority.

           "Highest  Lawful Rate" shall mean, with respect to each  Lender,  the
maximum  non-usurious interest rate, if any (or, if the context so requires,  an
amount  calculated at such rate), that at any time or from time to time  may  be
contracted  for, taken, reserved, charged, or received under laws applicable  to
such  Lender, as such laws are presently in effect or, to the extent allowed  by
applicable law, as such laws may hereafter be in effect and which allow a higher
maximum non-usurious interest rate than such laws now allow.

           "Howell  Corporation"  shall  mean  Howell  Corporation,  a  Delaware
corporation.

           "Howell  Texas"  shall mean Howell Pipeline Texas, Inc.,  a  Delaware
corporation.

           "Howell  USA"  shall  mean  Howell Pipeline  USA,  Inc.,  a  Delaware
corporation.

           "Indebtedness" shall mean, as to any Person, without duplication, (a)
all   liabilities  (excluding  reserves  for  deferred  income  taxes,  deferred
compensation liabilities, and other deferred liabilities and credits)  which  in
accordance with GAAP would be included in determining total liabilities as shown
on  the  liability side of a balance sheet, (b) all obligations of  such  Person
evidenced  by  bonds,  debentures, promissory notes,  or  similar  evidences  of
indebtedness, (c) all other indebtedness of such Person for borrowed  money  and
capitalized  leases, and (d) all obligations of others, to the extent  any  such
obligation  is  secured by a Lien on the assets of such Person (whether  or  not
such  Person  has  assumed or become liable for the obligation secured  by  such
Lien).

           "Insolvency Proceeding" shall mean application (whether voluntary  or
instituted  by  another  Person) for or the consent  to  the  appointment  of  a
receiver, trustee, conservator, custodian, or liquidator of any Person or of all
or  a  substantial  part of the Property of such Person,  or  the  filing  of  a
petition (whether voluntary or instituted by another Person) commencing  a  case
under  Title  11 of the United States Code, seeking liquidation, reorganization,
or  rearrangement  or  taking advantage of any bankruptcy, insolvency,  debtor's
relief,  or other similar law of the United States, the State of Texas,  or  any
other jurisdiction.

            "Insolvent"  or  "Insolvency"  shall  mean,  with  respect  to   any
Multiemployer Plan, that such Plan is insolvent within the meaning of such  term
as used in Section 4245 of ERISA.

           "Intellectual  Property"  shall mean  patents,  patent  applications,
trademarks, tradenames, copyrights, technology, know-how, and processes.

           "Interest Period" shall mean, subject to the limitations set forth in
Section 2.3, with respect to any LIBO Rate Loan, a period commencing on the date
such  Loan  is  made or converted from a Loan of another type pursuant  to  this
Agreement or the last day of the next preceding Interest Period with respect  to
such  Loan and ending on the numerically corresponding day in the calendar month
that is one, two, three, or, subject to availability, six months thereafter,  as
the Borrower may request in the Borrowing Request for such Loan.

           "Inventory" shall mean all now owned or hereafter acquired goods  and
other personal property now or hereafter owned by any Person which are held  for
sale or lease or are furnished or are to be furnished under contracts of service
or  which  constitute  raw  materials, work in process,  or  materials  used  or
consumed  in  the  business of such Person, and all finished  goods,  including,
without  limitation,  all  goods of such Person  classified  as  "inventory"  in
Section 9.109(4) of the UCC.

           "Investment" in any Person shall mean any stock, bond, note, or other
evidence of Indebtedness, or any other security of, or investment or partnership
interest in or loan to, such Person.

           "L/C  Commitment Amount" shall mean, for each Lender, the amount  set
forth opposite the name of such Lender on Exhibit V under the caption "Letter of
Credit  Commitment Amount," as modified from time to time to reflect assignments
permitted by Section 9.1 or otherwise pursuant to the terms hereof.

           "L/C Exposure"  shall mean, at any time, the aggregate maximum amount
available to be drawn under outstanding Letters of Credit at such time.

           "L/C  Percentage Share" shall mean, as to each Lender, the percentage
that  such  Lender's  L/C  Commitment Amount  constitutes  of  the  Maximum  L/C
Commitment Amount.

           "Letter of Credit" shall mean the Existing Letters of Credit and  any
commercial  or standby letter of credit issued for the account of  the  Borrower
pursuant to Section 2.2.

           "Letter  of  Credit  Application" shall mean the standard  letter  of
credit  application  employed by the Agent, as the  issuer  of  the  Letters  of
Credit, from time to time in connection with letters of credit.

          "Letter of Credit Payment" shall mean any payment made by the Agent on
behalf  of the Lenders under a Letter of Credit, to the extent that such payment
has not been repaid by the Borrower.

           "LIBO  Rate" shall mean, with respect to any Interest Period for  any
LIBO  Rate  Loan,  the  rate per annum (rounded upwards, if  necessary,  to  the
nearest 1/16 of 1%) equal to the average of the offered quotations appearing  on
Knight-Ridder Page 62 (or any successor or similar service selected by the Agent
and  the  Borrower) as of approximately 11:00 a.m., Central Standard or Daylight
Savings  Time,  as the case may be, on the day two Business Days  prior  to  the
first day of such Interest Period for Dollar deposits in an amount comparable to
the  principal amount of such LIBO Rate Loan and having a term comparable to the
Interest Period for such LIBO Rate Loan.  If neither such Knight-Ridder Page  62
nor  any  successor or similar service is available, the term "LIBO Rate"  shall
mean,  with respect to any Interest Period for any LIBO Rate Loan, the rate  per
annum  (rounded upwards if necessary, to the nearest 1/16 of 1%) quoted  by  the
Agent  at  approximately  11:00 a.m., London time  (or  as  soon  thereafter  as
practicable) two Business Days prior to the first day of the Interest Period for
such LIBO Rate Loan for the offering by the Agent to leading banks in the London
interbank  market  of Dollar deposits in an amount comparable to  the  principal
amount  of  such  LIBO Rate Loan and having a term comparable  to  the  Interest
Period for such LIBO Rate Loan.

           "LIBO Rate Loan" shall mean any portion of the Loan Balance which the
Borrower  has  requested bear interest at the Adjusted LIBO Rate  and  which  is
permitted by the terms hereof to bear interest at the Adjusted LIBO Rate.

          "Lien" shall mean any interest in Property securing an obligation owed
to,  or a claim by, a Person other than the owner of such Property, whether such
interest  is based on common law, statute, or contract, and including,  but  not
limited  to,  the  lien  or  security interest arising  from  a  mortgage,  ship
mortgage,  encumbrance, pledge, security agreement, conditional  sale  or  trust
receipt, or a lease, consignment, or bailment for security purposes (other  than
true  leases  or  true  consignments),  liens  of  mechanics,  materialmen,  and
artisans, maritime liens and reservations, exceptions, encroachments, easements,
rights  of  way,  covenants, conditions, restrictions, leases, and  other  title
exceptions  and encumbrances affecting Property which secure an obligation  owed
to,  or  a  claim  by, a Person other than the owner of such Property  (for  the
purpose of this Agreement, the Borrower shall be deemed to be the owner  of  any
Property which it has acquired or holds subject to a conditional sale agreement,
financing  lease, or other arrangement pursuant to which title to  the  Property
has  been retained by or vested in some other Person for security purposes), and
the  filing or recording of any financing statement or other security instrument
in any public office.

          "Limitation Period" shall mean, with respect to any Lender, any period
while  any amount remains owing on the Note payable to such Lender and  interest
on  such  amount, calculated at the applicable interest rate, plus any  fees  or
other  sums  payable to such Lender under any Loan Document  and  deemed  to  be
interest  under applicable law, would exceed the amount of interest which  would
accrue at the Highest Lawful Rate.

          "Loan" shall mean any loan made by any Lender to or for the benefit of
the Borrower pursuant to this Agreement and any payment made by the Agent or any
Lender under a Letter of Credit.

           "Loan  Balance"  shall  mean, at any time, the outstanding  principal
balance of the Notes at such time.

           "Loan  Documents"  shall  mean  the  Existing  Loan  Documents,  this
Agreement,  the  Notes, the Guaranties, the Letter of Credit  Applications,  the
Letters  of Credit, the Agency Fee Letter, the Facility Fee Letter, the  Related
Facilities  Agreement,  the Security Instruments, and all  other  documents  and
instruments now or hereafter delivered pursuant to the terms of or in connection
with the Existing Loan Documents, this Agreement, the Notes, the Guaranties, the
Letter of Credit Applications, the Letters of Credit, the Agency Fee Letter, the
Facility   Fee  Letter,  the  Related  Facilities  Agreement,  or  the  Security
Instruments, and all renewals and extensions of, amendments and supplements  to,
and restatements of, any or all of the foregoing from time to time in effect.

           "Material  Adverse  Effect" shall mean any adverse  effect  upon  the
Collateral  or the business of the Borrower, any Guarantor or any  Affiliate  of
any Guarantor which significantly increases the risk that any of the Obligations
will not be repaid as and when due.

           "Maximum  L/C  Commitment Amount" shall  mean  the  sum  of  the  L/C
Commitment Amounts of all Lenders.

           "Maximum Term Loan Commitment Amount" shall mean the sum of the  Term
Loan Commitment Amounts of all Lenders.

          "Mortgaged Properties" shall mean the Pipeline Properties subject to a
Liens  in  favor  of  and  collaterally assigned to  the  Agent  to  secure  the
Obligations.

           "Multiemployer Plan" shall mean a Plan which is a multiemployer  plan
as defined in Section 4001(a)(3) of ERISA.

           "Net  Income"  shall  mean,  for  any  period  for  any  Person,  the
consolidated  pre-tax  net  income (or loss) of such  Person  for  such  period,
determined in accordance with GAAP, reduced by Allocated Current Federal  Income
Taxes, if any, of such Person for such period.

           "Notes" shall mean, collectively, each of the promissory notes of the
Borrower  payable  to a Lender each in an amount equal to the  sum  of  the  L/C
Commitment  Amount and the Term Loan Commitment Amount of such  Lender,  in  the
form  attached  hereto as Exhibit I, with appropriate insertions, together  with
all renewals, extensions for any period, increases, and rearrangements thereof.

           "Obligations"  shall mean, without duplication, (a) all  Indebtedness
evidenced  by  the Notes, (b) the obligation of the Borrower to  provide  to  or
reimburse the Agent, as the issuer of Letters of Credit, or the Lenders, as  the
case may be, for, amounts payable, paid, or incurred with respect to Letters  of
Credit,  (c) the undrawn, unexpired amount of all outstanding Letters of Credit,
(d) the obligation of the Borrower for the payment of fees and expenses pursuant
to  the  Loan  Documents,  (e)  the obligations  of  the  Guarantors  under  the
Guaranties, and (f) all other obligations and liabilities of the Borrower or the
Guarantors  to  the  Agent and the Lenders, now existing or hereafter  incurred,
under, arising out of or in connection with any Loan Document, and to the extent
that any of the foregoing includes or refers to the payment of amounts deemed or
constituting interest, only so much thereof as shall have accrued,  been  earned
and which remains unpaid at each relevant time of determination.

          "PBGC" shall mean the Pension Benefit Guaranty Corporation established
pursuant to Subtitle A of Title IV of ERISA or any entity succeeding to  any  or
all of its functions under ERISA.

           "Permitted  Liens"  shall mean (a) Liens for taxes,  assessments,  or
other  governmental  charges or levies not yet due  or  which  (if  foreclosure,
distraint, sale, or other similar proceedings shall not have been initiated) are
being  contested in good faith by appropriate proceedings, and such  reserve  as
may  be  required by GAAP shall have been made therefor, (b) Liens in connection
with  workers'  compensation, unemployment insurance or  other  social  security
(other  than Liens created by Section 4068 of ERISA), old-age pension, or public
liability obligations which are not yet due or which are being contested in good
faith  by  appropriate proceedings, if such reserve as may be required  by  GAAP
shall  have  been  made  therefor,  (c) Liens in  favor  of  vendors,  carriers,
warehousemen,  repairmen, mechanics, workmen, and materialmen, and  construction
or  similar Liens arising by operation of law in the ordinary course of business
in  respect of obligations that are not past-due or which are being contested in
good  faith  by appropriate proceedings, if such reserve as may be  required  by
GAAP  shall  have been made therefor, (d) Liens in favor of operators  and  non-
operators  under joint operating agreements or similar contractual  arrangements
arising in the ordinary course of the business of the Borrower or the Guarantors
to secure amounts owing, which amounts are not yet due or are being contested in
good  faith  by appropriate proceedings, if such reserve as may be  required  by
GAAP shall have been made therefor, (e) Liens under production sales agreements,
division orders, operating agreements, and other agreements customary in the oil
and  gas  business for processing, producing, and selling hydrocarbons  securing
obligations  not constituting Indebtedness and provided that such Liens  do  not
secure obligations to deliver hydrocarbons at some future date without receiving
full  payment therefor within 90 days of delivery, (f) easements, rights of way,
restrictions, and other similar encumbrances, and minor defects in the chain  of
title which are customarily accepted in the oil and gas financing industry, none
of  which interfere with the ordinary conduct of the business of the Borrower or
the  Guarantors or materially detract from the value or use of the  Property  to
which  they apply, (g) Liens of record under terms and provisions of the leases,
unit agreements, assignments, and other transfer of title documents in the chain
of  title  under  which  the  Borrower or any Guarantor  acquired  the  relevant
Property,  and (h) Liens created by the Loan Documents and other Liens expressly
permitted under the Security Instruments.

           "Person"  shall mean an individual, corporation, partnership,  trust,
unincorporated organization, government, any agency or political subdivision  of
any government, or any other form of entity.

           "Pipeline Properties" shall mean the Properties to be acquired by the
Borrower  and/or the Pipeline Subsidiaries from Exxon Pipeline Company  pursuant
to the Purchase and Sale Agreement.

           "Pipeline  Subsidiaries" shall mean, collectively, Howell  Texas  and
Howell USA.

           "Plan"  shall mean, at any time, any employee benefit plan  which  is
covered  by  ERISA and in respect of which the Borrower, any Guarantor,  or  any
Commonly  Controlled Entity is (or, if such plan were terminated at  such  time,
would  under Section 4069 of ERISA be deemed to be) an "employer" as defined  in
Section 3(5) of ERISA.

           "Principal  Office" shall mean the principal office of the  Agent  in
Houston, Texas, presently located at 910 Travis.

           "Prohibited Transaction" shall have the meaning assigned to such term
in Section 4975 of the Code.

           "Property" shall mean any interest in any kind of property or  asset,
whether real, personal or mixed, tangible or intangible.

           "Purchase  and  Sale  Agreement" shall mean  the  Purchase  and  Sale
Agreement  dated  February  22,  1995, by and between  the  Borrower  and  Exxon
Pipeline  Company, as amended or supplemented from time to time on or  prior  to
the Closing Date.

          "Receivable Report" means a schedule provided by the Borrower pursuant
to  Section  5.4 and reflecting a detailed listing (showing the  names  and,  if
requested  by  the  Agent, addresses of account debtors and amounts  owing)  and
aging  (in appropriate columns entitled "Current" and "Past-Due") of the  Credit
Accounts.

           "Regulation  D" shall mean Regulation D of the Board of Governors  of
the  Federal Reserve System (or any successor), as amended or supplemented  from
time to time.

           "Regulatory  Change"  shall mean, with respect  to  any  Lender,  the
passage, adoption, institution, or modification of any federal, state, local, or
foreign Requirement of Law (including, without limitation, Regulation D), or any
interpretation, directive, or request (whether or not having the force  of  law)
of   any   Governmental  Authority  or  monetary  authority  charged  with   the
enforcement,  interpretation,  or administration thereof,  occurring  after  the
Closing  Date  and applying to a class of lenders including such Lender  or  its
Applicable Lending Office.

           "Related Facilities Agreement" shall mean the Agreement dated  as  of
the  Closing  Date  among  Howell Petroleum Corporation,  the  Borrower,  Howell
Corporation,  the Agent, and the Lenders, as amended, restated  or  supplemented
from time to time.

           "Release  of  Hazardous Substances" shall mean any  emission,  spill,
release,   disposal,  or  discharge,  except  in  accordance   with   applicable
Requirements  of  Law or the terms of a valid permit, license,  certificate,  or
approval  of the relevant Governmental Authority, of any Hazardous Substance  in
amounts in excess of the relevant reportable quantity, into or upon (a) the air,
(b) soils or any improvements located thereon, (c) surface water or groundwater,
or  (d) the sewer or septic system, or the waste treatment, storage, or disposal
system servicing any Property of the Borrower or any Guarantor.

           "Reorganization" shall mean, with respect to any Multiemployer  Plan,
that  such Plan is in reorganization within the meaning of such term in  Section
4241 of ERISA.

           "Reportable Event" shall mean any of the events set forth in  Section
4043(b)  of  ERISA,  other than those events as to which the  thirty-day  notice
period  is waived under subsections .13, .14, .16, .18, .19 or .20 of PBGC  Reg.
2615.

           "Required  Lenders"  shall  mean, at  any  time  when  no  Loans  are
outstanding, Lenders whose L/C Percentage Shares total at least seventy  percent
(70%), and, at any time when any Loans are outstanding, Lenders holding at least
seventy  percent  (70%) of the Loan Balance (without regard to  any  sale  of  a
participation in any Loan).

           "Requirement of Law" shall mean, as to any Person, the certificate or
articles  of  incorporation  and  bylaws or other  organizational  or  governing
documents  of  such  Person, and any applicable law, treaty,  ordinance,  order,
judgment, rule, decree, regulation, or determination of an arbitrator, court, or
other Governmental Authority, including, without limitation, rules, regulations,
orders,  and  requirements for permits, licenses, registrations,  approvals,  or
authorizations, in each case as such now exist or may be hereafter  amended  and
are applicable to or binding upon such Person or any of its Property or to which
such Person or any of its Property is subject.

          "Reserve Requirement" shall mean, for any Interest Period for any LIBO
Rate  Loan, the average maximum rate at which reserves (including any  marginal,
supplemental, or emergency reserves) are required to be maintained  during  such
Interest Period under Regulation D by member banks of the Federal Reserve System
in   Dallas,  Texas,  with  deposits  exceeding  one  billion  Dollars   against
"Eurocurrency liabilities" (as such term is used in Regulation D) and any  other
reserves  required by reason of any Regulatory Change to be maintained  by  such
member banks against (a) any category of liabilities which includes deposits  by
reference to which the LIBO Rate is to be determined as provided herein  in  the
definition of the term "LIBO Rate" or (b) any category of extensions  of  credit
or other assets which include a LIBO Rate Loan.

          "Responsible Officer" shall mean, as to any Person, its President, any
Vice President, or its Treasurer.

           "Security  Instruments" shall mean the Existing Security  Instruments
and  the  security  instruments executed and delivered in  satisfaction  of  the
condition  set  forth  in  Section 3.1(b)(vii),  and  all  other  documents  and
instruments  at  any  time executed as security for all or any  portion  of  the
Obligations, as such instruments may be amended, restated, or supplemented  from
time to time.

           "Single Employer Plan" shall mean any Plan which is covered by  Title
IV of ERISA, but which is not a Multiemployer Plan.

           "Subordinated  Debt"  shall  mean Indebtedness  (a)  the  payment  of
principal and interest on which is subordinated, upon terms satisfactory to  the
Agent  and  the Required Lenders in their sole discretion, to the  repayment  in
full  of  all  Obligations, and (b) for which no payments (other  than  interest
payments) shall be required and no sinking fund or other similar mechanism shall
be  established  prior  to  the repayment in full of  the  Obligations  and  the
termination of the Commitments.

           "Subsidiary"  shall  mean, as to any Person, a corporation  of  which
shares of stock having ordinary voting power (other than stock having such power
only  by  reason of the happening of a contingency) to elect a majority  of  the
board  of directors or other managers of such corporation are at the time owned,
or  the  management  of  which is otherwise controlled, directly  or  indirectly
through one or more intermediaries, or both, by such Person.

           "Superfund  Site" shall mean those sites listed on the  Environmental
Protection Agency National Priority List and eligible for remedial action or any
comparable state registries or list in any state of the United States.

           "Tangible  Net  Worth"  shall mean (a)  total  assets,  as  would  be
reflected  on a balance sheet of the Borrower prepared in accordance  with  GAAP
(except for the omission of footnotes and provision for income taxes), exclusive
of  Intellectual  Property, experimental or organization  expenses,  franchises,
licenses,  permits,  and  other intangible assets, treasury  stock,  unamortized
underwriters'  debt  discount  and  expenses,  and  goodwill  minus  (b)   total
liabilities,  as would be reflected on a balance sheet of the Borrower  prepared
in  accordance with GAAP (except for the omission of footnotes and provision for
income taxes).

           "Term  Loan  Commitment Amount" shall mean, as to  each  Lender,  the
amount set opposite the name of such Lender on Exhibit V under the caption "Term
Loan  Commitment  Amount," as modified from time to time to reflect  assignments
permitted by Section 9.1 or otherwise pursuant to the terms hereof.

           "Term  Loan  Percentage Share" shall mean, as  to  each  Lender,  the
percentage  that  such Lender's Term Loan Commitment Amount constitutes  of  the
Maximum Term Loan Commitment Amount.

           "Total Debt" shall mean, at any time, the total liabilities of Howell
Corporation and all Subsidiaries of Howell Corporation, on a consolidated basis,
for  borrowed  money, capitalized leases, and obligations to the  Department  of
Energy.

           "UCC" shall mean the Uniform Commercial Code as from time to time  in
effect in the State of Texas.

1.3  Undefined Financial Accounting Terms.  Undefined financial accounting terms
used in this Agreement shall be defined according to GAAP at the time in effect.

1.4   References.  References in this Agreement to Exhibit, Article, or  Section
numbers  shall  be to Exhibits, Articles, or Sections of this Agreement,  unless
expressly  stated  to the contrary.  References in this Agreement  to  "hereby,"
"herein," "hereinafter," "hereinabove," "hereinbelow," "hereof," "hereunder" and
words of similar import shall be to this Agreement in its entirety and not  only
to the particular Exhibit, Article, or Section in which such reference appears.

1.5   Articles  and Sections.  This Agreement, for convenience  only,  has  been
divided  into  Articles and Sections; and it is understood that the  rights  and
other  legal  relations  of the parties hereto shall  be  determined  from  this
instrument  as  an  entirety and without regard to the aforesaid  division  into
Articles  and Sections and without regard to headings prefixed to such  Articles
or Sections.

1.6  Number and Gender.  Whenever the context requires, reference herein made to
the  single number shall be understood to include the plural; and likewise,  the
plural  shall  be  understood  to include the singular.   Definitions  of  terms
defined  in the singular or plural shall be equally applicable to the plural  or
singular,  as  the case may be, unless otherwise indicated.  Words denoting  sex
shall  be  construed to include the masculine, feminine and  neuter,  when  such
construction  is  appropriate; and specific enumeration shall  not  exclude  the
general but shall be construed as cumulative.

1.7   Incorporation  of Exhibits.  The Exhibits attached to this  Agreement  are
incorporated  herein and shall be considered a part of this  Agreement  for  all
purposes.


                                   ARTICLE II

                                TERMS OF FACILITY

2.1   Term  Loan.   (a)  Upon  the  terms and  conditions  and  relying  on  the
representations  and  warranties  contained  in  this  Agreement,  each   Lender
severally agrees to make, on the Business Day designated by the Borrower in  the
initial Borrowing Request but not later than April 28, 1995, a term loan  to  or
for  the  benefit  of  the Borrower in the principal amount  of  the  Term  Loan
Commitment  Amount of such Lender.  The Commitments of the Lenders to  make  the
Loans  shall  be terminable by the Borrower by notice to the Agent at  any  time
prior to April 28, 1995; provided, however, all fees accrued pursuant to Section
2.14  shall  be paid by the Borrower and such Commitments may not thereafter  be
reinstated.

      (b)  Subject  to  the  terms  of this Agreement, at any  time  prior  to  
Final Maturity, the Borrower may convert Loans of one type or with one Interest 
Period into Loans of another type or with a different Interest Period.  Each 
conversion of Loans shall be in an amount at least equal to $500,000.  Each 
conversion of or into a Loan of a different type or, in the case of a LIBO Rate 
Loan, having a different Interest Period, shall be deemed a separate conversion 
for purposes of the  foregoing, one for each type of Loan or Interest Period.  
Anything in  this Agreement  to  the contrary notwithstanding, the aggregate 
principal amount of LIBO Rate Loans having the same Interest Period shall be at
least equal to $1,000,000; and if any LIBO Rate Loan would otherwise be in a 
lesser principal amount for any period, such Loan shall be a Floating Rate 
Loan during such period.

     (c)  Not later than 3:00 p.m., Central Standard or Daylight Savings Time, 
as the case may be, on the date specified for the borrowing under this Section,
each Lender shall make available an amount equal to its Term Loan Commitment
Amount to the Agent, at an account designated by the Agent, in immediately
available funds, for the account of the Borrower.  The amount so received by
the Agent shall, subject to the terms and conditions hereof, be made available
to the Borrower in immediately available funds at the Principal Office.  All 
Loans by each Lender shall be maintained at the Applicable Lending Office of 
such Lender and shall be evidenced by the Note of such Lender.

      (d)  The  failure  of any Lender to make the Loan required to be made by
it hereunder shall not relieve any other Lender of its obligation to make the 
Loan required to be made by it, and no Lender shall be responsible for the 
failure of any other Lender to make any Loan.

2.2   Letter of Credit Facility.  (a) Upon the terms and conditions and  relying
on the representations and warranties contained in this Agreement, the Agent, as
issuing bank for the Lenders, agrees, during the Commitment Period, to issue, on
behalf  of  the  Lenders in their respective L/C Percentage Shares,  Letters  of
Credit  for the account of the Borrower and to renew and extend such Letters  of
Credit.   Letters of Credit shall be issued, renewed, or extended from  time  to
time  on  any Business Day designated by the Borrower following the  receipt  in
accordance with the terms hereof by the Agent of the written (or oral, confirmed
promptly  in writing) request by a Responsible Officer of the Borrower  therefor
and  a Letter of Credit Application.  Letters of Credit shall be issued in  such
amounts  as the Borrower may request; provided, however, that (i) no  Letter  of
Credit  shall  have  an expiration date which is more than 180  days  after  the
issuance  thereof  or more than 60 days after the Commitment  Termination  Date,
(ii) each automatically renewable Letter of Credit shall provide that it may  be
terminated  by  the Agent at its then current expiry date by not  less  than  30
days'  written notice by the Agent to the beneficiary of such Letter of  Credit,
and  (iii)  the  L/C  Exposure shall not exceed at any time the  lesser  of  the
Maximum L/C Commitment Amount or the Borrowing Base.

      (b)  Prior to any Letter of Credit Payment in respect of any Letter of 
Credit, each Lender shall be deemed to be a participant through the Agent with
respect to the relevant Letter of Credit (including, without limitation, the 
Existing Letters of Credit) in the obligation of the Agent, as the issuer of 
such Letter of Credit, in an amount equal to the L/C Percentage Share of such 
Lender of the maximum amount which is or at any time may become available to 
be drawn thereunder.  Upon delivery by such Lender of funds requested pursuant 
to Section 2.2(c), such Lender shall be treated as having purchased a 
participating interest in an amount equal to such funds delivered by such Lender
to the Agent in the obligation of the Borrower to reimburse the Agent, as the 
issuer of such Letter of Credit, for any amounts payable, paid, or incurred 
by the Agent, as the issuer of such Letter of Credit, with respect to such 
Letter of Credit.

     (c)  Each Lender shall be unconditionally and irrevocably liable, without 
regard to the occurrence of any Default or Event of Default, to the extent of 
the L/C Percentage Share of such Lender at the time of issuance (or, with 
respect to the Existing Letters of Credit, on the Closing Date) of each Letter 
of Credit, to reimburse, on demand, the Agent, as the issuer of such Letter of 
Credit, for the amount of each Letter of Credit Payment under such Letter of 
Credit.  Each Letter of Credit Payment shall be deemed to be a Floating Rate 
Loan by each Lender to the extent of funds delivered by such Lender to the Agent
with respect to such Letter of Credit Payment and shall to such extent be deemed
a Floating Rate Loan under and shall be evidenced by the Note of such Lender and
shall be payable by the Borrower upon demand by the Agent.

      (d)  EACH LENDER AGREES TO INDEMNIFY THE AGENT, AS THE ISSUER OF EACH 
LETTER OF CREDIT, AND THE OFFICERS, DIRECTORS, EMPLOYEES, AGENTS, ATTORNEYS-
IN-FACT AND AFFILIATES OF THE AGENT (TO THE EXTENT NOT REIMBURSED BY THE 
BORROWER AND WITHOUT LIMITiNG THE OBLIGATION OF THE BORROWER TO DO SO), RATABLY 
ACCORDING TO THE  L/C PERCENTAGE SHARE OF SUCH LENDER AT THE TIME OF ISSUANCE OF
SUCH LETTER OF CREDIT, FROM AND AGAINST ANY AND ALL LIABILITIES, CLAIMS, 
OBLIGATIONS, LOSSES, DAMAGES, PENALTIES, ACTIONS, JUDGMENTS, SUITS, COSTS, 
EXPENSES AND DISBURSEMENTS OF ANY KIND WHATSOEVER WHICH MAY AT ANY TIME 
(INCLUDING, WITHOUT LIMITATION, ANY TIME FOLLOWING THE PAYMENT AND PERFORMANCE 
OF ALL OBLIGATIONS AND THE TERMINATION OF THIS AGREEMENT) BE IMPOSED ON, 
INCURRED BY OR ASSERTED AGAINST THE AGENT AS THE ISSUER OF SUCH LETTER OF CREDIT
OR ANY OF ITS OFFICERS, DIRECTORS, EMPLOYEES, AGENTS, ATTORNEYS-IN-FACT OR 
AFFILIATES IN ANY WAY RELATING TO OR ARISING OUT OF THIS AGREEMENT OR SUCH 
LETTER OF CREDIT OR ANY ACTION TAKEN OR OMITTED BY THE AGENT AS THE ISSUER OF 
SUCH LETTER OF CREDIT  OR ANY  OF  ITS  OFFICERS,  DIRECTORS,  EMPLOYEES, 
AGENTS,  ATTORNEYS-IN-FACT  OR AFFILIATES UNDER OR IN CONNECTION
WITH ANY OF THE FOREGOING, INCLUDING,  WITHOUT LIMITATION,  ANY  LIABILITIES,
CLAIMS, OBLIGATIONS, LOSSES, DAMAGES,  PENALTIES, ACTIONS, JUDGMENTS, 
SUITS, COSTS, EXPENSES AND DISBURSEMENTS IMPOSED,  INCURRED OR  ASSERTED 
AS A RESULT OF THE NEGLIGENCE, WHETHER SOLE OR CONCURRENT,  OF  THE
AGENT  AS THE ISSUER OF SUCH LETTER OF CREDIT OR ANY OF ITS OFFICERS, DIRECTORS,
EMPLOYEES,  AGENTS,  ATTORNEYS-IN-FACT OR AFFILIATES; PROVIDED  THAT  NO  LENDER
(OTHER  THAN THE AGENT AS THE ISSUER OF A LETTER OF CREDIT) SHALL BE LIABLE  FOR
THE  PAYMENT  OF ANY PORTION OF SUCH LIABILITIES, OBLIGATIONS, LOSSES,  DAMAGES,
PENALTIES, ACTIONS, JUDGMENTS, SUITS, COSTS, EXPENSES OR DISBURSEMENTS RESULTING
SOLELY  FROM  THE  GROSS NEGLIGENCE OR WILLFUL MISCONDUCT OF THE  AGENT  AS  THE
ISSUER  OF  A  LETTER  OF CREDIT.  THE AGREEMENTS IN THIS SECTION  2.2(d)  SHALL
SURVIVE  THE  PAYMENT AND PERFORMANCE OF ALL OBLIGATIONS AND THE TERMINATION  OF
THIS AGREEMENT.

2.3   Limitations  on Interest Periods.  Each Interest Period  selected  by  the
Borrower  (a) which commences on the last Business Day of a calendar  month  (or
any  day  for which there is no numerically corresponding day in the appropriate
subsequent calendar month) shall end on the last Business Day of the appropriate
subsequent calendar month, (b) which would otherwise end on a day which is not a
Business  Day  shall end on the next succeeding Business Day (or, if  such  next
succeeding Business Day falls in the next succeeding calendar month, on the next
preceding  Business  Day), (c) which would otherwise end  after  Final  Maturity
shall end on Final Maturity, and (d) shall have a duration of not less than  one
month  and,  if  any  Interest Period would otherwise be a shorter  period,  the
relevant Loan shall be a Floating Rate Loan during such period.

2.4    Limitation  on  Types  of  Loans.   Anything  herein  to   the   contrary
notwithstanding, no more than two separate Loans shall be outstanding at any one
time,  with,  for purposes of this Section, all Floating Rate Loans constituting
one  Loan, and all LIBO Rate Loans for the same Interest Period constituting one
Loan.   Anything herein to the contrary notwithstanding, if, on or prior to  the
determination  of  any  interest rate for any LIBO Rate Loan  for  any  Interest
Period therefor:

      (a)  the Agent determines (which determination shall be conclusive, absent
manifest  error) that quotations of interest rates for the deposits referred  to
in  the  definition of "LIBO Rate" in Section 1.2 are not being provided in  the
relevant amounts or for the relevant maturities for purposes of determining  the
rate of interest for such Loan as provided in this Agreement; or

      (b)  the Agent determines (which determination shall be conclusive, absent
manifest  error)  that the rates of interest referred to in  the  definition  of
"LIBO Rate" in Section 1.2 upon the basis of which the rate of interest for such
Loan for such Interest Period is to be determined do not accurately reflect  the
cost to the Lenders of making or maintaining such Loan for such Interest Period,

then  the  Agent  shall give the Borrower and the Lenders prompt notice  thereof
(which  notice shall be deemed rebuttably presumptive evidence of the conditions
set forth therein); and so long as such condition remains in effect, the Lenders
shall be under no obligation to make LIBO Rate Loans or to convert Floating Rate
Loans into LIBO Rate Loans, and the Borrower shall, on the last day of the  then
current Interest Period for each outstanding LIBO Rate Loan, either prepay  such
LIBO Rate Loan or convert such Loan into a Floating Rate Loan in accordance with
Section  2.13.   Before giving such notice pursuant to this Section,  the  Agent
will take such action as the Borrower may request if such action will avoid  the
need  to suspend the obligation of the Lenders to make LIBO Rate Loans hereunder
and will not, in the opinion of the Agent, be disadvantageous to the Lenders.

2.5   Use  of  Loan Proceeds and Letters of Credit.  (a) Proceeds of  the  Loans
shall be used solely for the purchase by the Borrower of certain of the Pipeline
Properties and to make loans to the Pipeline Subsidiaries for their purchase  of
the remaining Pipeline Properties.

      (b)  Letters  of Credit shall be used solely to support crude oil 
purchases  by the Borrower.

2.6   Interest.  (a) Subject to the terms of this Agreement (including,  without
limitation, Section 2.20), interest on the Loans shall accrue and be payable  at
a  rate per annum equal to the Floating Rate for each Floating Rate Loan and the
Adjusted  LIBO  Rate  for each LIBO Rate Loan.  Notwithstanding  the  foregoing,
interest  on past-due principal and, to the extent permitted by applicable  law,
past-due  interest, shall accrue at the Default Rate and shall be  payable  upon
demand  by the Agent at any time as to all or any portion of such interest.   In
the  event that the Borrower fails to select the duration of any Interest Period
for  any LIBO Rate Loan within the time period and otherwise as provided herein,
such  Loan  (if outstanding as a LIBO Rate Loan) will be automatically converted
into  a  Floating Rate Loan on the last day of the then current Interest  Period
for such Loan or (if outstanding as a Floating Rate Loan) will remain as, or (if
not  then outstanding) will be made as, a Floating Rate Loan.  Interest provided
for  herein shall be calculated on unpaid sums actually advanced and outstanding
pursuant to the terms of this Agreement and only for the period from the date or
dates of such advances until repayment.

     (b)  In the event the ratio of Total Debt to Capitalization as of the end 
of any fiscal quarter of Howell Corporation is less than or equal to .5 to 
1.0, the Borrower and Howell Corporation may give notice, in the form of Exhibit
VIII, of such  fact to the Agent.  On the Business Day following the receipt by 
the Agent of such notice, the Applicable Margin shall be reduced to one and  
one-half percent (1-1/2%).   If, at any time thereafter, the ratio of Total 
Debt to Capitalization as of the end of any fiscal quarter of Howell  
Corporation is greater than .5 to 1.0, the Borrower and Howell Corporation shall
give notice, in the form of Exhibit VIII, of such fact to the Agent.  On the 
Business Day following  the receipt by the Agent of such notice, the Applicable 
Margin  shall be  increased  to  two  percent (2%) and thereafter  shall  not  
be  subject  to reduction  as provided in the first sentence of this subsection 
until the  ratio of  Total Debt to Capitalization shall have been less than or 
equal to .5 to 1.0 for two successive fiscal quarters.

2.7   Repayment of Loans and Interest.  (a) Accrued and unpaid interest on  each
outstanding  Floating Rate Loan shall be due and payable monthly  commencing  on
the  first  day  of May, 1995, and continuing on the first day of each  calendar
month  thereafter while any Floating Rate Loan remains outstanding, the  payment
in  each  instance  to be the amount of interest which has accrued  and  remains
unpaid  in  respect of the relevant Loan.  Accrued and unpaid interest  on  each
outstanding  LIBO  Rate Loan shall be due and payable on the  last  day  of  the
Interest Period for such LIBO Rate Loan and, in the case of any Interest  Period
in  excess of three months, on the day of the third calendar month following the
commencement  of such Interest Period corresponding to the day of  the  calendar
month  on which such Interest Period commenced, the payment in each instance  to
be the amount of interest which has accrued and remains unpaid in respect of the
relevant Loan.

      (b)  The Loan Balance shall be due and payable in quarterly installments
commencing  on  the  first day of July, 1995, and continuing thereafter  on  the
first  day of each third calendar month until Final Maturity.  Such installments
shall  be  in  the amount of the lesser of the Loan Balance or One Million  Four
Hundred  Thirty-Seven  Thousand  Five Hundred Dollars  ($1,437,500).   The  Loan
Balance, together with all accrued and unpaid interest thereon, shall be due and
payable at Final Maturity.

      (c)  At the time of making each payment hereunder or under the Notes, the
Borrower  shall specify to the Agent the Loans or other amounts payable  by  the
Borrower  hereunder to which such payment is to be applied.  In  the  event  the
Borrower  fails  to so specify, or if an Event of Default has  occurred  and  is
continuing, the Agent may apply such payment as it may elect in its   discretion
and in accordance with the terms hereof.

2.8   General Terms.  (a) The outstanding principal balance of the Note of  each
Lender  reflected  in  the  records of such Lender shall  be  deemed  rebuttably
presumptive evidence of the principal amount owing on such Note.  The  liability
for payment of principal and interest evidenced by each Note shall be limited to
principal  amounts actually advanced and outstanding pursuant to this  Agreement
and interest on such amounts calculated in accordance with this Agreement.

     (b)  Unless the Agent shall have been notified by a Lender or the 
Borrower prior to the date on which either of them is scheduled to make payment 
to the Agent of (in  the  case  of a Lender) the proceeds of a Loan to be made  
by such Lender hereunder or (in the case of the Borrower) a payment to the Agent
for account of one or more of the Lenders hereunder (such payment being herein  
called the "Required  Payment"), which notice shall be effective upon  receipt,
that such Lender or the Borrower, as the case may be, does not intend to make
the Required Payment  to the Agent, the Agent may assume 
that the Required Payment  has  been made  and, in reliance upon such
assumption, may (but shall not be required  to) make  the  amount thereof
available to the intended recipient on such date.   If
such  Lender  or  the Borrower, as the case may be, has not  in  fact  made  the
Required  Payment to the Agent, the recipient of such payment shall, on  demand,
repay  to  the Agent for its account the amount so made available together  with
interest thereon in respect of each day during the period commencing on the date
such amount was so made available by the Agent until the date the Agent recovers
such  amount at a rate per annum equal to, in the case of a Lender as recipient,
the  Federal  Funds  Rate  or,  in the case of the Borrower  as  recipient,  the
Floating Rate.

2.9   Time,  Place, and Method of Payments.  All payments required  pursuant  to
this  Agreement  or the Notes shall be made without set-off or  counterclaim  in
Dollars and in immediately available funds.  All payments by the Borrower  shall
be deemed received on the next Business Day following receipt if such receipt is
after 5:00 p.m., Central Standard or Daylight Savings Time, as the case may  be,
on  any  Business  Day, and shall be made to the Agent at the Principal  Office.
Except  as  provided  to the contrary herein, if the due  date  of  any  payment
hereunder  or  under  any Note would otherwise fall on a  day  which  is  not  a
Business  Day, such date shall be extended to the next succeeding Business  Day,
and  interest shall be payable for any principal so extended for the  period  of
such extension.

2.10  Pro  Rata  Treatment; Adjustments.  (a) Except  to  the  extent  otherwise
expressly  provided herein, (i) the borrowing made pursuant  to  this  Agreement
shall be from the Lenders pro rata in accordance with their respective Term Loan
Percentage Shares, (ii) each payment by the Borrower of fees shall be  made  for
the  account  of  the Lenders pro rata in accordance with their respective  Term
Loan  Percentage Shares, (iii) each payment of principal of Loans shall be  made
for  the  account  of the Lenders pro rata in accordance with  their  respective
shares of the Loan Balance, and (iv) each payment of interest on Loans shall  be
made for the account of the Lenders pro rata in accordance with their respective
shares of the aggregate amount of interest due and payable to the Lenders.

      (b)  The Agent shall distribute all payments with respect to the 
Obligations to the  Lenders promptly upon receipt in like funds as received.  
In the event that any payments made hereunder by the Borrower at any 
particular time are insufficient to satisfy in full the Obligations due and 
payable at such time, such payments shall be applied (a) first, to fees and 
expenses due pursuant to the terms of this Agreement or any other Loan Document,
(b) second, to accrued interest, (c) third, to the Loan Balance, and 
(d) last, to any other Obligations.

      (c)  If any Lender (for purposes of this Section, a "benefitted Lender") 
shall at any time receive any payment of all or part of its portion of the
Obligations,  or receive any Collateral in respect thereof (whether  voluntarily
or  involuntarily, by set-off, pursuant to events or proceedings of  the  nature
referred  to  in  Sections 7.1(e) or 7.1(f), or otherwise) in an amount  greater
than  such  Lender  was entitled to receive pursuant to the terms  hereof,  such
benefitted Lender shall purchase for cash from the other Lenders such portion of
the  Obligations of such other Lenders or shall provide such other Lenders  with
the  benefits  of  any  such  Collateral or the proceeds  thereof  as  shall  be
necessary  to  cause  such  benefitted Lender to share  the  excess  payment  or
benefits  of  such Collateral or proceeds with each of the Lenders according  to
the  terms hereof.  If all or any portion of such excess payment or benefits  is
thereafter  recovered  from  such  benefitted Lender,  such  purchase  shall  be
rescinded  and the purchase price and benefits returned by such Lender,  to  the
extent  of  such recovery, but without interest.  The Borrower agrees that  each
such  Lender  so purchasing a portion of the Obligations of another  Lender  may
exercise  all rights of payment (including, without limitation, rights  of  set-
off)  with  respect to such portion as fully as if such Lender were  the  direct
holder  of  such  portion.  If any Lender ever receives, by  voluntary  payment,
exercise  of  rights of set-off or banker's lien, counterclaim, cross-action  or
otherwise,  any  funds  of the Borrower to be applied  to  the  Obligations,  or
receives  any proceeds by realization on or with respect to any Collateral,  all
such  funds  and  proceeds  shall be immediately  forwarded  to  the  Agent  for
distribution in accordance with the terms of this Agreement.

2.11  Borrowing Base Determinations.  (a) The Borrowing Base as of  the  Closing
Date is acknowledged by the Borrower and the Lenders to be $16,326,546.80.

      (b)  The Borrowing Base shall be redetermined monthly upon receipt by the
Lenders of each Borrowing Base Report and Receivable Report required pursuant to
Section  5.4  and shall be the amount set forth as the Borrowing  Base  in  such
Borrowing Base Report unless any Lender advises the Agent and the Borrower  that
such  Lender does not agree with the amount set forth as the Borrowing  Base  in
such  Borrowing Base Report.  In such event, the Borrowing Base in effect  prior
to  the  receipt  of  such Borrowing Base Report shall be in  effect  until  the
Lenders  shall  have  redetermined the Borrowing Base and advised  the  Borrower
thereof.   Notwithstanding  the foregoing, at the request  of  any  Lender,  the
Lenders may at their discretion redetermine the Borrowing Base at any time  and
from time to time.

      (c) The Borrowing Base shall represent the determination by the Lenders, 
in accordance with the applicable definitions and provisions herein contained 
and their customary lending practices for loans of this nature, of the  value,  
for loan purposes, of the Eligible Accounts.  Furthermore, the Borrower 
acknowledges that  the determination of the Borrowing Base contains an equity 
cushion (market value  in  excess of loan value), which is acknowledged by the  
Borrower  to  be essential for the adequate protection of the Lenders.

2.12 Mandatory Prepayments; Cash Collateral.  (a) In addition to the payments on
the  Notes  required  pursuant to Section 2.7, beginning with  the  delivery  of
Financial Statements for the fiscal quarter ending March 31, 1996, on each  date
on  which Financial Statements are required to be delivered to the Agent and the
Lenders  pursuant  to  Sections  5.2 and 5.3 (or  on  the  date  such  Financial
Statements are delivered, if earlier), the Borrower shall pay an amount equal to
60%  of  Excess Cash Flow for the previous fiscal quarter for application  as  a
prepayment on the Notes.

      (b) If at any time the L/C Exposure exceeds the lesser of the Maximum L/C
Commitment  Amount  or the Borrowing Base then in effect,  the  Borrower  shall,
within  two days of notice from the Agent of such occurrence, deposit  with  the
Agent, as additional collateral securing the Obligations, an amount of cash,  in
immediately available funds, equal to the L/C Exposure minus the lesser  of  the
Maximum  L/C  Commitment Amount or the Borrowing Base.  The cash deposited  with
the  Agent  in satisfaction of the requirement provided in this Section  may  be
invested,  at  the  sole discretion of the Agent and then only  at  the  express
direction of the Borrower as to investment vehicle and maturity (which shall  be
no  later than the latest expiry date of any then outstanding Letter of Credit),
for  the  account of the Borrower in cash or cash equivalent investments offered
by or through Bank One.

2.13  Voluntary  Prepayments and Conversions of Loans.   Subject  to  applicable
provisions of this Agreement, the Borrower shall have the right at any  time  or
from  time to time to prepay Loans and to convert Loans of one type or with  one
Interest Period into Loans of another type or with a different Interest  Period;
provided,  however, that (a) the Borrower shall give the Agent  notice  of  each
such  prepayment or conversion of all or any portion of a LIBO Rate Loan no less
than two Business Days prior to prepayment or conversion, (b) any LIBO Rate Loan
may  be prepaid or converted only on the last day of an Interest Period for such
Loan,  (c) the Borrower shall pay all accrued and unpaid interest on the amounts
of  LIBO  Rate  Loans  prepaid  or converted, and  (d)  no  such  prepayment  or
conversion shall serve to postpone the repayment when due of any Obligation.

2.14  Commitment  Fee.   (a)  To compensate the Lenders  for  maintaining  funds
available, the Borrower shall pay to the Agent for the account of the Lenders  a
fee  in  the amount of three-eighths of one percent (3/8%) per annum, calculated
on  the basis of a year of 365 or 366 days, as the case may be, and actual  days
elapsed  (including the first day but excluding the last day),  of  the  Maximum
Term  Loan Commitment Amount for the period beginning April 1, 1995, and  ending
on  the earliest of the date the Loans are made, April 30, 1995, or the date  on
which  the  Borrower  gives  notice to the Agent that  the  Borrower  wishes  to
terminate the Commitments to make Loans.  Such accrued commitment fees shall  be
payable  on the date of funding of the Loans pursuant to Section 2.1, April  30,
1995, or the date of such notice of termination by the Borrower, as the case may
be.

      (b)  The Borrower shall pay to the Agent for the account of the Lenders in
accordance  with  their  respective L/C Percentage Shares  a  letter  of  credit
commitment  fee  in  the amount of one-fourth of one percent (1/4%)  per  annum,
calculated  on the basis of a year of 365 or 366 days, as the case may  be,  and
actual days elapsed (including the first day but excluding the last day), on the
average daily amount of the Available L/C Commitment.  Accrued letter of  credit
commitment fees shall be payable on the first day of July, 1995, the  first  day
of  each third calendar month thereafter during the Commitment Period (or within
five  days following the notice from the Agent of the amount of such fee  owing,
if later), and on the Commitment Termination Date.

2.15  Facility  Fee.   To  compensate the Lenders for the  extension  of  credit
hereunder, the Borrower shall pay to the Agent for the account of the Lenders on
the Closing Date a facility fee in accordance with the terms of the Facility Fee
Letter.

2.16  Letter of Credit Fee.  The Borrower shall pay to the Agent for the account
of the Lenders in accordance with their respective L/C Percentage Shares, on the
date  of  issuance or renewal of each Letter of Credit, an issuing fee equal  to
the greater of $500 or one percent (1%) per annum, calculated on the basis of  a
year  of 365 or 366 days, as the case may be, and actual days elapsed (including
the first day but excluding the last day), on the face amount of such Letter  of
Credit  during the period for which such Letter of Credit is issued or  renewed.
The  Borrower also agrees to pay on demand to the Agent for its own  account  as
the issuer of the Letters of Credit its customary letter of credit transactional
fees  and expenses, including, without limitation, amendment fees, payable  with
respect to each Letter of Credit.

2.17  Agency  Fee.  The Borrower shall pay to the Agent for its own account  all
fees  owing  or which may become owing under the Agency Fee Letter  as  provided
therein.

2.18  Loans to Satisfy Obligations of Borrower.  The Lenders may, but shall  not
be  obligated to, make Loans for the benefit of the Borrower and apply  proceeds
thereof  to  the  satisfaction  of any condition, warranty,  representation,  or
covenant  of  the Borrower or any Guarantor contained in this Agreement  or  any
other Loan Document.  Such Loans shall be evidenced by the Notes, shall be  made
as  a Floating Rate Loan, and shall be payable upon demand.  The Agent agrees to
notify  the  Borrower of any such Loan; provided, however, the  failure  of  the
Agent  or any Lender to do so shall not subject the Agent or any Lender  to  any
liability and shall not relieve the Borrower from liability for any Obligation.

2.19  Security  Interest  in Accounts; Right of Offset.   As  security  for  the
payment  and  performance  of  the Obligations, the Borrower  hereby  transfers,
assigns,  and pledges to the Agent and each Lender and grants to the  Agent  and
each Lender a security interest in all funds of the Borrower now or hereafter or
from  time to time on deposit with the Agent or such Lender, with such  interest
of  the  Agent and the Lenders to be retransferred, reassigned, and/or released,
as  the  case may be, at the reasonable expense of the Borrower upon payment  in
full  and  complete  performance of all Obligations and the termination  of  the
Commitments.  All remedies as secured party or assignee of such funds  shall  be
exercisable  by  the  Agent and the Lenders with the verbal  consent  (confirmed
promptly in writing) of the Required Lenders upon the occurrence of any Event of
Default,  regardless of whether the exercise of any such remedy would result  in
any  penalty  or  loss of interest or profit with respect to any  withdrawal  of
funds  deposited  in  a  time deposit account prior  to  the  maturity  thereof.
Furthermore, the Borrower hereby grants to the Agent and each Lender the  right,
exercisable  at  such  time as any Event of Default shall occur,  of  offset  or
banker's lien against all funds of the Borrower now or hereafter or from time to
time  on  deposit  with  the  Agent or such Lender, regardless  of  whether  the
exercise  of any such remedy would result in any penalty or loss of interest  or
profit  with  respect to any withdrawal of funds deposited  in  a  time  deposit
account prior to the maturity thereof.

2.20  General Provisions Relating to Interest.  (a) It is the intention  of  the
parties  hereto  to  comply strictly with all applicable usury  laws.   In  this
connection,  there shall never be collected, charged, or received  on  the  sums
advanced hereunder interest in excess of that which would accrue at the  Highest
Lawful  Rate.  For purposes of Article 5069-1.04, Vernon's Texas Civil Statutes,
as  amended,  the  Borrower agrees that the Highest Lawful  Rate  shall  be  the
"indicated (weekly) rate ceiling" as defined in such Article, provided that  the
Agent and the Lenders may also rely, to the extent permitted by applicable laws,
on alternative maximum rates of interest under other laws, if greater.

     (b)  Notwithstanding anything herein or in the Notes to the contrary, 
during any Limitation Period, the interest rate to be charged on amounts 
evidenced by the Notes shall be the Highest Lawful Rate, and the obligation, if 
any, of the Borrower for the payment of fees or other charges deemed to be 
interest under applicable law shall be suspended.  During any period or periods 
of time following a Limitation Period, to the extent permitted by applicable 
laws, the interest rate to be charged hereunder shall remain at the Highest  
Lawful Rate until such time as there has been paid to the Agent and each Lender
(i) the amount of interest in excess of that accruing at the Highest Lawful Rate
that such Lender would have received during the Limitation Period had the 
interest rate remained at the otherwise applicable rate, and (ii) all interest 
and fees otherwise  payable  to  the Agent and such Lender but for the effect  
of  such Limitation Period.

     (c) If, under any circumstances, the aggregate amounts paid on the Notes or
under this Agreement or any other Loan Document include amounts which by law are
deemed  interest  and  which would exceed the amount permitted  if  the  Highest
Lawful  Rate  were  in  effect, the Borrower stipulates that  such  payment  and
collection  will  have  been and will be deemed to  have  been,  to  the  extent
permitted  by applicable laws, the result of mathematical error on the  part  of
the  Borrower, the Agent, and the Lenders; and the party receiving  such  excess
shall  promptly  refund the amount of such excess (to the extent  only  of  such
interest payments in excess of that which would have accrued and been payable on
the basis of the Highest Lawful Rate) upon discovery of such error by such party
or  notice  thereof from the Borrower.  In the event that the  maturity  of  any
Obligation is accelerated, by reason of an election by the Lenders or otherwise,
or  in the event of any required or permitted prepayment, then the consideration
constituting interest under applicable laws may never exceed the Highest  Lawful
Rate; and excess amounts paid which by law are deemed interest, if any, shall be
credited  by  the  Agent  and  the  Lenders  on  the  principal  amount  of  the
Obligations, or if the principal amount of the Obligations shall have been  paid
in full, refunded to the Borrower.

      (d)  All sums paid, or agreed to be paid, to the Agent and the Lenders for
the use, forbearance and detention of the proceeds of any advance hereunder 
shall, to the extent permitted by applicable law, be amortized, prorated,  
allocated, and spread throughout the full term hereof until paid in full so that
the actual rate  of  interest  is  uniform  but does not exceed  the  Highest  
Lawful  Rate throughout the full term hereof.

2.21  Obligations Absolute.  Subject to the further provisions of this  Section,
the  Obligations  of  the  Borrower under this Article  shall  be  absolute  and
unconditional under any and all circumstances and irrespective of  any  set-off,
counterclaim, or defense to payment or performance which the Borrower  may  have
or  have had against the Agent, any Lender, or any beneficiary of any Letter  of
Credit.   The  Borrower agrees that none of the Agent or the  Lenders  shall  be
responsible  for, nor shall the Obligations be affected by, among other  things,
(a)  the  validity  or  genuineness of documents  or  any  endorsements  thereon
presented in connection with any Letter of Credit, even if such documents  shall
in  fact prove to be in any and all respects invalid, fraudulent or forged,  AND
EVEN  IF DUE TO THE NEGLIGENCE, WHETHER SOLE OR CONCURRENT, OF THE AGENT OR  ANY
LENDER,  so  long as the Agent, as the issuer of such Letter of Credit,  has  no
actual  knowledge of any such invalidity, lack of genuineness, fraud, or forgery
prior to the presentment for payment of a corresponding Letter of Credit or  any
draft  thereunder; provided, however, with respect to the preceding  matters  in
this  Section,  the  Agent, as the issuer of the Letters of  Credit,  agrees  to
exercise  ordinary  care  in examining each document required  to  be  presented
pursuant  to each Letter of Credit to ascertain that each such document  appears
on  its  face  to comply with the terms thereof, or (b) any dispute  between  or
among  the  Borrower and any beneficiary of any Letter of Credit  or  any  other
party to which any Letter of Credit may be transferred, or any claims whatsoever
of  the  Borrower against any beneficiary of any Letter of Credit  or  any  such
transferee,  EVEN IF DUE TO THE NEGLIGENCE, WHETHER SOLE OR CONCURRENT,  OF  THE
AGENT OR ANY LENDER; provided, in all respects, that the Agent, as the issuer of
Letters  of Credit, shall be liable to the Borrower to the extent, but  only  to
the  extent,  of  any direct, as opposed to consequential or  punitive,  damages
suffered  by  the  Borrower  as  a result of the  willful  misconduct  or  gross
negligence  of  the  Agent  as the issuer of Letters of  Credit  in  determining
whether documents presented under a Letter of Credit complied with the terms  of
such  Letter  of  Credit that resulted in either a wrongful payment  under  such
Letter  of  Credit or a wrongful dishonor of a claim or draft properly presented
under  such  Letter  of Credit.  In the absence of gross negligence  or  willful
misconduct by the Agent as the issuer of Letters of Credit, the Agent shall  not
be  liable  for any error, omission, interruption or delay, EVEN IF DUE  TO  THE
NEGLIGENCE, WHETHER SOLE OR CONCURRENT, OF THE AGENT, in transmission,  dispatch
or  delivery  of any message or advice, however transmitted, in connection  with
any  Letter of Credit.  The Agent, the Lenders, and the Borrower agree that  any
action  taken or omitted by the Agent, as issuer of any Letter of Credit,  under
or  in  connection with any Letter of Credit or the related drafts or documents,
EVEN  IF DUE TO THE NEGLIGENCE, WHETHER SOLE OR CONCURRENT, OF THE AGENT OR  ANY
LENDER, if done in the absence of gross negligence or willful misconduct,  shall
be  binding as among the Agent, as issuer of such Letter of Credit or otherwise,
the  Lenders,  and the Borrower and shall not put the Agent, as issuer  of  such
Letter  of  Credit  or  otherwise, or any Lender  under  any  liability  to  the
Borrower.

2.22  Yield Protection.  (a) Without limiting the effect of the other provisions
of  this Section (but without duplication), the Borrower shall pay to the  Agent
and  each Lender from time to time such amounts as the Agent or such Lender  may
determine  are necessary to compensate it for any Additional Costs  incurred  by
the Agent or such Lender.

      (b)  Without limiting the effect of the other provisions of this Section  
(but without duplication), the Borrower shall pay to each Lender from time to 
time on request such amounts as such Lender may determine are necessary to  
compensate such Lender for any costs attributable to the maintenance by such 
Lender (or any Applicable  Lending Office), pursuant to any Regulatory Change,
of capital in respect of its Commitment, such compensation to include, without 
limitation, an amount equal to any reduction of the rate of return on assets or 
equity of such Lender (or any Applicable Lending Office) to a level below  that
which such Lender (or any Applicable Lending Office) could have achieved but 
for such Regulatory Change.

      (c)  Without limiting the effect of the other provisions of this Section
(but without duplication), in the event that any Requirement of  Law  or  
Regulatory Change  or the compliance by the Agent or any Lender therewith shall 
(i) impose, modify,  or hold applicable any reserve, special deposit, or similar
requirement against any Letter of Credit or obligation to issue Letters of 
Credit, or (ii) impose upon the Agent or such Lender any other condition 
regarding any Letter of Credit  or  obligation to issue Letters of Credit, and 
the result of any such event shall be to increase the cost to the Agent or such 
Lender of issuing or maintaining any Letter of Credit or obligation to issue 
Letters of Credit or any liability  with  respect to Letter of Credit Payments, 
or to reduce  any  amount receivable  in  connection therewith, 
then upon demand  by  the  Agent  or  such Lender,  as the case may be, the 
Borrower shall pay to the Agent or such Lender,from  time to time as specified
by the Agent or such Lender, additional  amounts which shall be sufficient 
to compensate the Agent or  such  Lender  for  such increased cost or 
reduced amount receivable.

      (d)  Without limiting the effect of the other provisions of this Section
(but without duplication), the Borrower shall pay to the Agent and each Lender
such amounts as shall be sufficient in the reasonable opinion of the Agent and
such Lender to compensate them for any loss, cost, or expense incurred by and  
as  a result of:

           (i)  any payment, prepayment, or conversion by the Borrower of a LIBO
Rate Loan on a date other than the last day of an Interest Period for such 
Loan; or

          (ii) any  failure  by the Borrower to borrow a LIBO Rate Loan or to  
convert a Floating Rate Loan into a LIBO Rate Loan on the date for such 
borrowing  or conversion specified in the relevant Borrowing Request;

such  compensation to include, without limitation, with respect to any LIBO Rate
Loan, an amount equal to the excess, if any, of (A) the amount of interest which
would  have accrued on the principal amount so paid, prepaid, converted, or  not
borrowed  or converted for the period from the date of such payment, prepayment,
conversion, or failure to borrow or convert to the last day of the then  current
Interest  Period  for  such Loan (or, in the case of  a  failure  to  borrow  or
convert,  the  Interest Period for such Loan which would have commenced  on  the
date  of  such failure to borrow or convert) at the applicable rate of  interest
for  such Loan provided for herein over (B) the interest component of the amount
the  Agent  or  such  Lender would have bid in the London interbank  market  for
Dollar  deposits of amounts comparable to such principal amount  and  maturities
comparable to such period, as reasonably determined by the Agent or such Lender.

      (e)  The Agent or such Lender shall determine for purposes of this Section
the effect of any Regulatory Change on capital maintained, its costs or rate  of
return,  maintaining Loans, issuing Letters of Credit, its  obligation  to  make
Loans and issue Letters of Credit, or on amounts receivable by it in respect  of
Loans,  Letters  of  Credit,  or such obligations, and  the  additional  amounts
required  to  compensate the Agent or such Lender under this Section  and  shall
furnish  the Borrower with a certificate setting forth in reasonable detail  the
basis and amount of increased costs incurred or reduced amounts receivable as  a
result  of  any  such event.  The statements set forth therein shall  be  deemed
rebuttably  presumptive  evidence of such amount.  The  Agent  or  the  relevant
Lender shall notify the Borrower, as promptly as practicable after the Agent  or
such  Lender  obtains knowledge of any Additional Costs or  other  sums  payable
pursuant to this Section and determines to request compensation therefor, of any
event  occurring  after the Closing Date which will entitle the  Agent  or  such
Lender  to  compensation  pursuant  to this Section.   If  any  Lender  requests
compensation from the Borrower under this Section, the Borrower may,  by  notice
to  the Agent and such Lender, require that the Loans by the Lender of the  type
with  respect to which such compensation is requested be converted into Floating
Rate  Loans in accordance with Section 2.13.  Any compensation requested by  the
Agent  or  any Lender pursuant to this Section shall be due and payable  to  the
Agent  or  such  Lender within five days of delivery of any such notice  to  the
Borrower.

      (f)  The Agent and the Lenders agree not to request, and the Borrower 
shall not be obligated to pay, any Additional Costs or other sums payable 
pursuant to this Section  unless  similar  additional costs  and  other  sums  
payable  are  also generally assessed by the Agent or such Lender against other 
customers similarly situated  where  such  customers are subject to  documents  
providing  for  such assessment.

2.23 Illegality.  Notwithstanding any other provision of this Agreement, in  the
event  that it becomes unlawful for any Lender or its Applicable Lending  Office
to  (a) honor its obligation to make LIBO Rate Loans, or (b) maintain LIBO  Rate
Loans,  then  such  Lender  shall promptly notify the  Agent  and  the  Borrower
thereof.   The obligation of such Lender to make LIBO Rate Loans and to  convert
Floating Rate Loans into LIBO Rate Loans shall then be suspended until such time
as  such Lender may again make and maintain LIBO Rate Loans, and the outstanding
LIBO  Rate Loans of such Lender shall be converted into Floating Rate  Loans  in
accordance  with  Section  2.13.  Before giving such  notice  pursuant  to  this
Section, such Lender will take such action as the Borrower may request  if  such
action will avoid the need to suspend the obligation of such Lender to make LIBO
Rate  Loans  and will not, in the opinion of such Lender, be disadvantageous  to
such Lender.

2.24 Taxes.  (a) All payments made by the Borrower under this Agreement shall be
made  free and clear of, and without reduction or withholding for or on  account
of,  present  or  future income, stamp or other taxes, levies, imposts,  duties,
charges, fees, deductions or withholdings, hereafter imposed, levied, collected,
withheld  or assessed by any Governmental Authority on the basis of  any  change
after  the  date  hereof  in  any applicable treaty,  law,  rule,  guideline  or
regulations  or in the interpretation or administration thereof,  excluding,  in
the case of the Agent and each Lender, net income and franchise taxes imposed on
the  Agent or such Lender by the jurisdiction under the laws of which the  Agent
or  such  Lender  is organized or any political subdivision or taxing  authority
thereof or therein, or by any jurisdiction in which such Lender's lending office
is  located or any political subdivision or taxing authority thereof or  therein
(all   such   non-excluded  taxes,  levies,  imposts,  deductions,  charges   or
withholdings being hereinafter called "Taxes").  If any Taxes are required to be
withheld from any amounts payable to the Agent or any Lender hereunder or  under
any  other  Loan  Document, the amounts so payable to the Agent or  such  Lender
shall  be increased to the extent necessary to yield to the Agent or such Lender
(after  payment  of  all  Taxes)  interest or any  such  other  amounts  payable
hereunder  at  the rates or in the amounts specified in this Agreement  and  the
other  Loan  Documents.  The Agent or the relevant Lender shall, as promptly  as
practicable after becoming aware of any Taxes, notify the Borrower thereof;  and
notwithstanding  the  foregoing, unless such Taxes  are  made  retroactive,  the
Borrower shall not be obligated for the payment of any Taxes to the extent  such
Taxes accrued more than 150 days prior to the earlier of the date of such notice
or the date on which the Borrower otherwise became aware that such Taxes were to
be  imposed.   Whenever any Taxes are payable by the Borrower,  as  promptly  as
possible thereafter, the Borrower shall send to the Agent for its own account or
for  the  account  of such Lender, as the case may be, a certified  copy  of  an
original official receipt received by the Borrower showing payment thereof.   If
the Borrower fails to pay any Taxes when due to the appropriate taxing authority
or  fails  to  remit  to  the  Agent the required  receipts  or  other  required
documentary evidence, the Borrower shall indemnify the Agent and the Lenders for
any  incremental  taxes, interest or penalties that may become  payable  by  the
Agent  or  any Lender as a result of any such failure.  The agreements  in  this
Section shall survive the termination of this Agreement and the payment  of  all
Obligations.

     (b)  Each Lender that is not incorporated under the laws of the United 
States of America  or  a state thereof agrees that, prior to the first date on  
which any payment  is due to it hereunder, it will, to the extent it may 
lawfully  do  so, deliver to the Borrower and the Agent two duly completed 
copies of United States Internal Revenue Service Form 1001 or 4224 or successor
applicable form, as  the case  may  be, certifying in each case that such Lender
is entitled  to  receive payments  under this Agreement and the Note payable to 
it, without deduction  or withholding  of any United States federal income 
taxes.  At the written  request of the Borrower, each Lender which delivers to 
the Borrower and the Agent a Form 1001 or 4224 pursuant to the preceding 
sentence further undertakes to deliver to the  Borrower  and the Agent two 
further copies of such Form 1001  or  4224,  or successor  applicable forms, or 
other manner of certification, as the  case  may be,  on  or  before  the date 
that any such letter or form  expires  or  becomes obsolete  or  after the 
occurrence of any event requiring a change in  the  most
recent  form previously delivered by it to the Borrower, and such extensions  or
renewals  thereof as may reasonably be requested by the Borrower, certifying  in
the  case  of Form 1001 or 4224 that such Lender is entitled to receive payments
under  this  Agreement  without deduction or withholding of  any  United  States
federal  income  taxes,  unless in any such case, an event  (including,  without
limitation, any change in treaty, law or regulation) has occurred prior  to  the
date  on  which any such delivery would otherwise be required which renders  all
such  forms inapplicable or which would prevent such Lender from duly completing
and  delivering  any  such form with respect to it and such Lender  advises  the
Borrower  that it is not capable of receiving payments without any deduction  or
withholding of United States federal income tax.

2.25  Replacement Lenders.  (a) If any Lender has notified the Borrower  of  its
incurring additional costs under Section 2.22 or that, pursuant to Section  2.23
or  2.26, its obligation to make or maintain LIBO Rate Loans is to be suspended,
or  has required the Borrower to make payments for Taxes under Section 2.24, the
Borrower   may,  unless  such  Lender  has  notified  the  Borrower   that   the
circumstances  giving rise to such notice no longer apply, terminate,  in  whole
but  not  in  part,  the Commitment of any Lender (other than  the  Agent)  (the
"Terminated  Lender") at any time upon five Business Days' prior written  notice
to  the  Terminated Lender and the Agent (such notice referred to  herein  as  a
"Notice of Termination").

     (b)  In order to effect the termination of the Commitment of the Terminated
Lender,  the  Borrower shall (i) with the consent of Lenders  holding  at  least
seventy  percent  (70%) of the Loan Balance, without regard to  any  sale  of  a
participation  in  any Loan and exclusive of the portion  of  the  Loan  Balance
outstanding  to the Terminated Lender, pay to the Agent for the account  of  the
Terminated  Lender only, all amounts owing to such Terminated Lender  under  the
Loan Documents, or (ii) obtain an agreement with one or more Lenders to increase
their  Commitments and/or request any one or more other banking institutions  to
become  a  "Lender" in place and instead of such Terminated Lender and agree  to
accept a Commitment; provided, however, that such other banking institutions are
reasonably acceptable to the Agent and become parties by executing an Assignment
Agreement  (the Lenders or other banking institutions that agree  to  accept  in
whole  or  in  part  the Commitment of the Terminated Lender being  referred  to
herein  as the "Replacement Lenders"), such that the aggregate increased  and/or
accepted  L/C  Commitment  Amounts  and Term  Loan  Commitment  Amounts  of  the
Replacement  Lenders  equal the L/C Commitment Amount and Term  Loan  Commitment
Amount, respectively, of the Terminated Lender.

      (c)  The Notice of Termination shall include the name of the Terminated 
Lender, the date the termination will occur (the "Termination Date"), the  
Replacement Lender  or  Replacement Lenders to which the Terminated Lender will 
assign  its Commitment, and, if there will be more than one Replacement Lender, 
the  portion of the Terminated Lender's Commitment to be assigned to each 
Replacement Lender.

      (d)  On the Termination Date, (i) the Terminated Lender shall by execution
and delivery of an Assignment Agreement assign its Commitment to the Replacement
Lender  or  Replacement Lenders (pro rata, if there is more than one Replacement
Lender, in proportion to the portion of the Terminated Lender's Commitment to be
assigned to each Replacement Lender) indicated in the Notice of Termination  and
shall assign to the Replacement Lender or Replacement Lenders its Loan (if  any)
then  outstanding  pro  rata  as aforesaid), (ii) the  Terminated  Lender  shall
endorse  its Note, payable without recourse, representation or warranty  to  the
order  of the Replacement Lender or Replacement Lenders (pro rata as aforesaid),
(iii) the Replacement Lender or Replacement Lenders shall purchase the Note held
by  the Terminated Lender (pro rata as aforesaid) at a price equal to the unpaid
principal  amount  thereof  plus interest and fees accrued  and  unpaid  to  the
Termination  Date, and (iv) the Replacement Lender or Replacement  Lenders  will
thereupon (pro rata as aforesaid) succeed to and be substituted in all  respects
for  the Terminated Lender with like effect as if becoming a Lender pursuant  to
the  terms of Section 9.1(b), and the Terminated Lender will have the rights and
benefits  of  an assignor under Section 9.1(b).  To the extent not in  conflict,
the terms of Section 9.1(b) shall supplement the provisions of this Section.

2.26 Regulatory Change. In the event that by reason of any Regulatory Change  or
any other circumstance arising after the Closing Date affecting any Lender, such
Lender (a) incurs Additional Costs (other than those incurred as a result of  an
increase in the Reserve Requirement) based on or measured by the excess above  a
specified level of the amount of a category of deposits or other liabilities  of
such  Lender which includes deposits by reference to which the interest rate  on
any LIBO Rate Loan is determined as provided in this Agreement or a category  of
extensions of credit or other assets of such Lender which includes any LIBO Rate
Loan, or (b) becomes subject to restrictions on the amount of such a category of
liabilities  or assets which it may hold, then, at the election of  such  Lender
with notice to the Agent and the Borrower, the obligation of such Lender to make
LIBO Rate Loans and to convert Floating Rate Loans into LIBO Rate Loans shall be
suspended until such time as such Regulatory Change or other circumstance ceases
to  be  in  effect, and all such outstanding LIBO Rate Loans shall be  converted
into Floating Rate Loans in accordance with Section 2.13.


                                   ARTICLE III

                                   CONDITIONS

3.1   Conditions  Precedent to Loans.  The Lenders shall have no  obligation  to
make  the  Loans unless and until the following conditions precedent  have  been
satisfied:

      (a)  all  matters incident to the consummation of the transactions 
contemplated herein, including, without limitation, the review by the Agent or 
its counsel of the  title  of the Borrower and/or the Pipeline Subsidiaries to 
their respective Mortgaged Properties, shall be satisfactory to the Agent;

     (b)  the Agent shall have received, reviewed, and approved multiple 
counterparts as  requested  by  the  Agent,  of  the following  documents  and  
other  items, appropriately executed when necessary and, where applicable, 
acknowledged by one or  more authorized officers of the Borrower or the 
Guarantors, as the case  may be,  all  in  form  and  substance satisfactory to 
the Agent  and  dated,  where applicable, of even date herewith or a date prior 
thereto and acceptable to  the Agent:

          (i)  this Agreement;

         (ii)  the Guaranties;

        (iii)  the Notes;

         (iv)  copies of the Articles of Incorporation or Certificate of 
Incorporation and all amendments thereto and the bylaws and all amendments 
thereto of the Borrower and  each Guarantor, accompanied by a certificate 
issued by the secretary or  an assistant  secretary of the Borrower or such 
Guarantor, as the case may  be,  to the effect that each such copy is correct 
and complete;

          (v)  certificates of incumbency and signatures of all officers of the
Borrower and each Guarantor who are authorized to execute Loan Documents on  
behalf of such entities, each such certificate being executed by the  secretary
or an assistant secretary of the Borrower or such Guarantor, as the case may be;

        (vi)  copies of corporate resolutions approving the Loan Documents   and
authorizing  the transactions contemplated herein and therein, duly  adopted  by
the  boards  of  directors  of the Borrower and each Guarantor,  accompanied  by
certificates of the secretary or an assistant secretary of the Borrower or  such
Guarantor,  as  the  case may be, to the effect that such copies  are  true  and
correct  copies of resolutions duly adopted at a meeting or by unanimous consent
of the board of directors of the Borrower or such Guarantor, as the case may be,
and that such resolutions constitute all the resolutions adopted with respect to
such  transactions, have not been amended, modified, or revoked in any  respect,
and are in full force and effect as of the date of such certificate;

       (vii)   the  following Security Instruments ratifying, amending, and/or  
restating the Existing Security Instruments, creating, evidencing, perfecting,  
and otherwise establishing Liens in favor of the Agent in and to the Collateral:

            (A)  Mortgage,  Deed  of  Trust, Indenture, Security Agreement, and
Financing Statement from each Pipeline Subsidiary in favor of the Borrower  
covering  the portions  of  the  Pipeline  Properties of  such  Pipeline  
Subsidiary  and  all improvements, personal property, and fixtures related 
thereto;

            (B)  Financing Statements from each Pipeline Subsidiary, as debtor, 
constituent to the instruments described in (A) above;

            (C)  Security Agreement from each of the Pipeline Subsidiaries in 
favor of the Borrower  covering  all  Accounts, Inventory, and general  
intangibles  of  such entity, together with Financing Statements constituent 
thereto;

            (D)  Collateral Assignment of Notes and Liens from the Borrower, 
accompanied by the Collateral Notes endorsed payable to the Agent;

            (E)  Mortgage,  Deed  of  Trust, Indenture, Security Agreement, and 
Financing Statement  from the Borrower and each Pipeline Subsidiary in favor 
of the Agent covering the portions of the Pipeline Properties of the Borrower  
or  such Pipeline  Subsidiary,  as  the  case  may be,  and  all  improvements,
personal property, and fixtures related thereto;

            (F)  Financing  Statements from the Borrower and each Pipeline  
Subsidiary,  as debtor, constituent to the instruments described in (E) above;

            (G)  Security Agreement from each of the Borrower and the Pipeline 
Subsidiaries in favor of the Agent covering all Accounts, Inventory, and general
intangibles of such entity, together with Financing Statements constituent 
thereto;

            (H)  Security Agreement (Stock Pledge) from the Borrower covering 
100% of the stock of each Pipeline Subsidiary, accompanied by stock certificates
evidencing such stock and stock powers endorsed in blank; and

            (I)  Security Agreement (Stock Pledge) from Howell Corporation 
covering 100% of the stock of the Borrower, accompanied by stock certificates 
evidencing  such stock and stock powers endorsed in blank;

     (vii)  certificates dated as of a recent date from the Secretary of State 
or other appropriate Governmental Authority evidencing the existence or 
qualification and good   standing  of  the  Borrower  and  each  Guarantor  in  
their   respective jurisdictions of incorporation and in any other jurisdictions
where any of  them does business;

     (viii) results of searches of the UCC Records of the Secretary of State of 
the States of Alabama, Florida, Louisiana, Mississippi, and Texas from a source
acceptable to the Agent and reflecting no Liens against any of the Collateral as
to  which  perfection  of a Lien is accomplished by the filing  of  a  financing
statement other than in favor of Bank One or the Agent;

      (ix)  a  copy of the Purchase and Sale Agreement, all assignments and 
conveyance instruments executed in connection therewith, and all other contracts
and  other agreements  relating to the Pipeline Properties requested by the  
Agent  or  any Lender;

      (x)  the opinion of Bracewell & Patterson, L.L.P., counsel to the Borrower
and the Guarantors, in the form attached hereto as Exhibit IX, with such changes
thereto as may be approved by the Agent;

      (xi)  the opinion of special counsel to the Agent and the Lenders in each 
of the states of Alabama, Florida, Louisiana, and Mississippi, in the form 
attached hereto as Exhibit X, with such changes thereto as may be approved by 
the Agent;

     (xii)  Notice of Final Agreement executed by the Borrower and each 
Guarantor;

     (xiii) audited  consolidated and unaudited consolidating Financial 
Statements  of Howell Corporation as of December 31, 1994;

      (xiv)  a Borrowing Request;

       (xv)  the Related Facilities Agreement; and

      (xvi)  such  other  agreements,  documents, instruments, opinions,  
certificates, waivers,  consents,  and  evidence as the Agent or  any  Lender  
may  reasonably request;

     (c)  the consummation, simultaneously therewith, of the purchase of the 
Pipeline Properties  by the Borrower and the Pipeline Subsidiaries upon terms  
reasonably satisfactory to the Agent and the Lenders;

      (d)  the Borrower shall have received an advance from Howell Corporation 
in the amount  of  $10,000,000  or  more,  and the Borrower  shall  have  made  
capital contributions   totalling  $10,000,000  to  the  Pipeline  Subsidiaries,
such contributions to be made ratably in accordance with the purchase  price  of
Pipeline Properties acquired by each Pipeline Subsidiary;

      (e)  no Default or Event of Default shall exist or will occur as a 
result of the making of the requested Loan;

      (f)  no event shall have occurred which, in the reasonable opinion of the
Lenders, could have a Material Adverse Effect;

      (g)  each of the representations and warranties contained in this 
Agreement and the  other  Loan Documents shall be true and correct and shall be 
deemed to be repeated by the Borrower as if made on the requested date for such 
Loan;

      (h)  the  Guaranties and all of the Security Instruments shall be in full 
force and effect and provide to the Lenders the security intended thereby;

      (i)  the  Borrower  and  each  Guarantor shall hold full  legal  title 
to the Collateral pledged by such entity and be the sole beneficial owner 
thereof;

      (j)  the Agent and each Lender shall have received the payment of all fees
payable   by   the  Borrower  hereunder  and  the  Agent  shall  have   received
reimbursement  from the Borrower, or special legal counsel for the  Agent  shall
have  received  payment  from  the Borrower, for (i)  all  reasonable  fees  and
expenses  of counsel to the Agent for which the Borrower is responsible pursuant
to  applicable  provisions of this Agreement and for which  invoices  have  been
presented  as  of  or  prior to the date of such Loan, and (ii)  estimated  fees
charged by filing officers and other public officials incurred or to be incurred
in  connection with the filing and recordation of any Security Instruments,  for
which invoices have been presented as of or prior to the date of such Loan;

      (k)  the  Agent and the Lenders shall have completed their due diligence 
review of the environmental condition of the Pipeline Properties and the results
thereof  shall  be  satisfactory to the Agent and  the  Lenders  in  their  sole
discretion; and

      (l)  all matters incident to the consummation of the transactions hereby
contemplated shall be satisfactory to the Agent and each Lender.

3.2   Conditions Precedent to Issuance of Letters of Credit.  The obligation  of
the  Agent, as the issuer of the Letters of Credit, to issue, renew,  or  extend
any  Letter of Credit is subject to the satisfaction of the following additional
conditions precedent:

      (a)  the Borrower shall have delivered to the Agent a written  (or  oral,
confirmed  promptly in writing) request for the issuance, renewal, or  extension
of  a  Letter  of  Credit  at least two Business Days  prior  to  the  requested
issuance, renewal, or extension date and a Letter of Credit Application at least
two  Business  Days prior to the requested issuance date; and each statement  or
certification  made  in  such Letter of Credit Application  shall  be  true  and
correct in all material respects on the requested date for the issuance of  such
Letter of Credit;

     (b)  no Default or Event of Default shall exist or will occur as a result 
of the issuance, renewal, or extension of such Letter of Credit; and

     (c)  the terms, provisions, and beneficiary of the Letter of Credit or such
renewal  or extension shall be satisfactory to the Agent, as the issuer  of  the
Letters of Credit, in its sole discretion.


                                   ARTICLE IV

                         REPRESENTATIONS AND WARRANTIES

           To  induce the Agent and the Lenders to enter into this Agreement and
to  extend credit to the Borrower, the Borrower represents and warrants  to  the
Agent  and  each Lender (which representations and warranties shall survive  the
delivery of the Notes) that:

4.1   Due  Authorization.  The execution and delivery by the  Borrower  of  this
Agreement  and  the  borrowings hereunder, the execution  and  delivery  by  the
Borrower  of the Notes and the other Loan Documents, the repayment of the  Notes
and  interest  and  fees provided for in the Notes and this Agreement,  and  the
performance  of  all  obligations of the Borrower under the Loan  Documents  are
within  the  power of the Borrower, have been duly authorized by  all  necessary
corporate  action  by  the Borrower, and do not and will  not  (a)  require  the
consent  of  any  Governmental Authority, (b) contravene or  conflict  with  any
Requirement  of Law, (c) contravene or conflict with any indenture,  instrument,
or  other agreement to which the Borrower is a party or by which any Property of
the  Borrower may be presently bound or encumbered, or (d) result in or  require
the  creation  or  imposition of any Lien in, upon or of  any  Property  of  the
Borrower other than as contemplated by the Loan Documents.

4.2  Corporate Existence.  The Borrower is a corporation duly organized, legally
existing, and in good standing under the laws of its state of incorporation  and
is  duly  qualified  as  a foreign corporation and is in good  standing  in  all
jurisdictions wherein the ownership of Property or the operation of its business
necessitates  same, other than those jurisdictions wherein  the  failure  to  so
qualify will not have a Material Adverse Effect.

4.3  Valid and Binding Obligations.  All Loan Documents to which the Borrower is
a  party,  when duly executed and delivered by the Borrower, will be the  legal,
valid, and binding obligations of the Borrower, enforceable against the Borrower
in accordance with their respective terms.

4.4   Security Instruments.  The provisions of each Security Instrument executed
by  the  Borrower are effective to create in favor of the Agent, a legal, valid,
and  enforceable Lien in all right, title, and interest of the Borrower  in  the
Collateral  described  therein,  which Liens,  assuming  the  accomplishment  of
recording  and  filing  in  accordance  with  applicable  laws  prior   to   the
intervention  of  rights  of  other Persons, shall  constitute  fully  perfected
first-priority  Liens on all right, title, and interest of the Borrower  in  the
Collateral described therein.

4.5   Title to Assets.  The Borrower has good and indefeasible title to  all  of
its Properties, free and clear of all Liens except Permitted Liens.

4.6   Scope  and Accuracy of Financial Statements.  The Financial Statements  of
the Borrower as of September 30, 1994, present fairly the financial position and
results  of  operations and cash flows of the Borrower in accordance  with  GAAP
(except for the omission of footnotes and provision for income taxes) as at  the
relevant  point in time or for the period indicated, as applicable,  subject  to
normal year-end audit adjustments.  No event or circumstance has occurred  since
September  30,  1994,  which could reasonably be expected  to  have  a  Material
Adverse Effect.

4.7   No  Material Misstatements.  No information, exhibit, statement, or report
furnished  to the Agent or any Lender by or at the direction of the Borrower  in
connection  with this Agreement contains any material misstatement  of  fact  or
omits  to  state  a material fact or  any fact necessary to make the  statements
contained therein not misleading as of the date made or deemed made in light  of
the circumstances in which they were made.

4.8   Liabilities, Litigation, and Restrictions.  Other than as disclosed in the
Financial Statements provided to the Lenders on or before the Closing Date,  the
Borrower  has  no liabilities, direct, or contingent, which may  materially  and
adversely  affect its business or operations or its ownership of the Collateral.
Except as disclosed in writing to the Lenders on the Closing Date, no litigation
or  other  action of any nature affecting the Borrower in which  the  amount  in
controversy exceeds $100,000 is pending before any Governmental Authority or, to
the  best  knowledge  of  the  Borrower, threatened  against  or  affecting  the
Borrower.   No  unusual or unduly burdensome restriction,  restraint  or  hazard
exists by contract, Requirement of Law, or otherwise relative to the business or
operations  of  the  Borrower or the ownership and operation of  the  Collateral
other  than  such as relate generally to Persons engaged in business  activities
similar to those conducted by the Borrower, the effect of which could reasonably
be expected to have a Material Adverse Effect.

4.9   Authorizations;  Consents.   Except  as  expressly  contemplated  by  this
Agreement, no authorization, consent, approval, exemption, franchise, permit, or
license  of, or filing with, any Governmental Authority or any other  Person  is
required  to  authorize or is otherwise required in connection  with  the  valid
execution  and delivery by the Borrower of the Loan Documents or any  instrument
contemplated hereby, the repayment by the Borrower of the Notes and interest and
fees  provided in the Notes and the other Loan Documents, or the performance  by
the Borrower of the Obligations.

4.10 Compliance with Laws.  The Borrower and its Property are in compliance with
all applicable Requirements of Law, including, without limitation, Environmental
Laws,  the Natural Gas Policy Act of 1978, as amended, and ERISA, except to  the
extent non-compliance with any such Requirements of Law could not reasonably  be
expected to have a Material Adverse Effect.

4.11  ERISA.   No  Reportable  Event has occurred with  respect  to  any  Single
Employer  Plan,  and  each  Single Employer Plan  has  complied  with  and  been
administered  in all material respects in accordance with applicable  provisions
of ERISA and the Code.  To the best knowledge of the Borrower, (a) no Reportable
Event  has  occurred  with  respect  to any Multiemployer  Plan,  and  (b)  each
Multiemployer  Plan  has  complied with and been administered  in  all  material
respects with applicable provisions of ERISA and the Code.  The present value of
all  benefits vested under each Single Employer Plan maintained by the  Borrower
or  any  Commonly Controlled Entity (based on the assumptions used to fund  such
Plan)  did not, as of the last annual valuation date applicable thereto,  exceed
the value of the assets of such Plan allocable to such vested benefits.  Neither
the  Borrower nor any Commonly Controlled Entity has had a complete  or  partial
withdrawal  from  any  Multiemployer Plan for  which  there  is  any  withdrawal
liability.  As of the most recent valuation date applicable to any Multiemployer
Plan,  neither  the  Borrower nor any Commonly Controlled  Entity  would  become
subject to any liability under ERISA if the Borrower or such Commonly Controlled
Entity  were  to withdraw completely from such Multiemployer Plan.  Neither  the
Borrower  nor  any  Commonly  Controlled Entity has  received  notice  that  any
Multiemployer Plan is Insolvent or in Reorganization.  To the best knowledge  of
the  Borrower,  no  such Insolvency or Reorganization is  reasonably  likely  to
occur.   The  Borrower has no reason to believe that the annual cost during  the
term of this Agreement to the Borrower and all Commonly Controlled Entities  for
post-retirement benefits to be provided to the current and former  employees  of
the  Borrower and all Commonly Controlled Entities under Plans which are welfare
benefit plans (as defined in Section 3(1) of ERISA) will, in the aggregate, have
a Material Adverse Effect.

4.12  Environmental  Laws.  (a) No Property of the Borrower or  either  Pipeline
Subsidiary  is  currently on or has ever been on, or, to the  knowledge  of  the
Borrower,  is  adjacent to any Property which is on or has  ever  been  on,  any
federal or state list of Superfund Sites.

      (b)  To the knowledge of the Borrower, no Hazardous Substances have been
generated,  transported, and/or disposed of by the Borrower or  either  Pipeline
Subsidiary  at a site which was, at the time of such generation, transportation,
and/or disposal, or has since become, a Superfund Site.

      (c)  No Release of Hazardous Substances by the Borrower or either Pipeline
Subsidiary  or  from, affecting, or related to any Property of the  Borrower  or
either Pipeline Subsidiary or, to the knowledge of the Borrower, adjacent to any
Property of the Borrower or either Pipeline Subsidiary has occurred which  could
reasonably be expected to have a Material Adverse Effect.

     (d)  No Environmental Complaint has been received by the Borrower or either
Pipeline Subsidiary which has not been satisfactorily resolved.

4.13  Compliance with Federal Reserve Regulations.  No transaction  contemplated
by  the  Loan  Documents is in violation of any regulations promulgated  by  the
Board of Governors of the Federal Reserve System, including, without limitation,
Regulations G, T, U, or X.

4.14  Investment  Company  Act Compliance.  The Borrower  is  not,  nor  is  the
Borrower directly or indirectly controlled by or acting on behalf of any  Person
which  is,  an "investment company" or an "affiliated person" of an  "investment
company" within the meaning of the Investment Company Act of 1940, as amended.

4.15  Public  Utility Holding Company Act Compliance.  The  Borrower  is  not  a
"holding  company," or an "affiliate" of a "holding company" or of a "subsidiary
company"  of  a  "holding company," within the meaning  of  the  Public  Utility
Holding Company Act of 1935, as amended.

4.16  Proper  Filing of Tax Returns; Payment of Taxes Due.   All  United  States
income  tax returns and all other tax returns which are required to be filed  on
behalf of the Borrower have been filed, and all taxes owing by the Borrower  and
the  Guarantors have been paid except such as are being contested in good  faith
and as to which adequate provisions and disclosures have been made in accordance
with GAAP.  The respective charges and reserves on the books of the Borrower and
the  Guarantors  with  respect  to  taxes and  other  governmental  charges  are
adequate.

4.17  Intellectual  Property.  The Borrower owns  or  is  licensed  to  use  all
Intellectual  Property  necessary  to  conduct  all  business  material  to  its
condition (financial or otherwise), business, or operations as such business  is
currently  conducted.  No claim has been asserted or is pending  by  any  Person
with the respect to the use of any such Intellectual Property or challenging  or
questioning the validity or effectiveness of any such Intellectual Property; and
the  Borrower  knows  of no valid basis for any such claim.   The  use  of  such
Intellectual  Property by the Borrower does not infringe on the  rights  of  any
Person,  except  for such claims and infringements as do not, in the  aggregate,
give rise to any material liability on the part of the Borrower.

4.18  Casualties or Taking of Property.  Since September 30, 1994,  neither  the
business nor any Property of the Borrower has been materially adversely affected
as  a  result  of  any  fire, explosion, earthquake, flood, drought,  windstorm,
accident,  strike or other labor disturbance, embargo, requisition or taking  of
Property,  or  cancellation  of  contracts,  permits,  or  concessions  by   any
Governmental Authority, riot, activities of armed forces, or acts of God.

4.19 Locations of Borrower.  The principal place of business and chief executive
office  of the Borrower is located at the address of the Borrower set  forth  on
the  signature pages hereof or at such other location as the Borrower may  have,
by  proper written notice hereunder, advised the Agent and the Lenders, provided
that  such  other  location  is  within a state in which  appropriate  financing
statements from the Borrower in favor of the Agent have been filed.

4.20  Subsidiaries.  The Borrower has no Subsidiaries except  for  the  Pipeline
Subsidiaries,  the  Pipeline  Subsidiaries  have  no  Subsidiaries,  and  Howell
Corporation has no Subsidiaries except those described on Exhibit XI  under  the
heading "Subsidiaries of Howell Corporation."


                                    ARTICLE V

                              AFFIRMATIVE COVENANTS

           So  long  as  any  Obligation remains outstanding or  unpaid  or  any
Commitment exists, the Borrower shall:

5.1   Maintenance and Access to Records.  Keep adequate records,  in  accordance
with  GAAP, of all its transactions so that at any time, and from time to  time,
its  true  and  complete  financial condition may  be  readily  determined,  and
promptly following the reasonable request of the Agent or any Lender, make  such
records  available for inspection by the Agent or any Lender and, at the expense
of  the  Borrower,  allow the Agent or any Lender to make and take  away  copies
thereof.

5.2   Quarterly Financial Statements; Compliance Certificates.  Deliver  to  the
Agent and each Lender, on or before the 45th day after the close of each of  the
first three quarterly periods of each fiscal year of the Borrower, (a) a copy of
the  unaudited  consolidated  and  consolidating  Financial  Statements  of  the
Borrower  and  Howell Corporation as at the close of such quarterly  period  and
from the beginning of such fiscal year to the end of such period, such Financial
Statements  to be certified by the chief financial officer of the  Borrower  and
Howell  Corporation as having been prepared in accordance with GAAP (except  for
the  omission  of  footnotes  and provision for income  taxes  in  the  separate
financial  statements of the Borrower not consolidated with Howell  Corporation)
consistently applied and as a fair presentation of the condition of the Borrower
and  Howell Corporation, subject to changes resulting from normal year-end audit
adjustments, and (b) a Compliance Certificate, together with a schedule  setting
forth  the  calculation of the financial matters set forth  in  such  Compliance
Certificate.

5.3  Annual Financial Statements; Compliance Certificates.  Deliver to the Agent
and  each Lender, on or before the 90th day after the close of each fiscal  year
of   the  Borrower,  (a)  a  copy  of  the  annual  unaudited  consolidated  and
consolidating  Financial  Statements of the Borrower,  certified  by  the  chief
financial  officer  of the Borrower as having been prepared in  accordance  with
GAAP  (except  for  the omission of footnotes and provision  for  income  taxes)
consistently  applied  and  as  a fair presentation  of  the  condition  of  the
Borrower,   (b)  a  copy  of  the  annual  audited  consolidated  and  unaudited
consolidating  Financial  Statements of the  Guarantor,  and  (c)  a  Compliance
Certificate,  together  with a schedule setting forth  the  calculation  of  the
financial matters set forth in such Compliance Certificate.

5.4   Monthly Reports.  Deliver to the Agent and each Lender, on or  before  the
22nd  day  after  the close of each calendar month, a Receivable  Report  and  a
Borrowing  Base  Report,  each as of the last day of the  immediately  preceding
month.   Each Receivable Report delivered hereunder shall contain, if  requested
by the Agent, names and addresses for each account debtor.

5.5   Title  Opinions; Title Defects.  Within 30 days of request  by  the  Agent
following  the Agent obtaining knowledge of any event or condition  that  raises
any  material  question or concern regarding the title of the  Borrower  or  any
Pipeline  Subsidiary to any Pipeline Property, furnish to the Agent confirmation
of  title acceptable to the Agent covering such Pipeline Property; and promptly,
but  in  any  event  within 60 days after notice by the  Agent  of  any  defect,
material  in the opinion of the Agent in value, in the title of the Borrower  or
any  Pipeline  Subsidiary to any of its Pipeline Properties,  clear  such  title
defects (or cause such Pipeline Subsidiary to do so), and, in the event any such
title  defects are not cured in a timely manner, pay all related costs and  fees
incurred by the Agent to do so.

5.6   Notices of Certain Events.  Deliver to the Agent and each Lender, promptly
upon  having  knowledge  of the occurrence of any of  the  following  events  or
circumstances, a written statement with respect thereto, signed by a Responsible
Officer of the Borrower and setting forth the relevant event or circumstance and
the  steps  being taken by the Borrower or the Guarantors with respect  to  such
event or circumstance:

      (a)  any Default or Event of Default;

     (b) any default or event of default under any contractual obligation of the
Borrower  or  any  Guarantor,  or any litigation, investigation,  or  proceeding
between  the Borrower or any Guarantor and any Governmental Authority which,  in
either case, if not cured or if adversely determined, as the case may be,  could
reasonably be expected to have a Material Adverse Effect;

      (c)  any litigation or proceeding involving the Borrower or any Guarantor 
as a defendant or in which any Property of the Borrower or any Guarantor is 
subject to  a claim and in which the amount involved is $1,000,000 or more and 
which is not covered by insurance or which affects title to any Collateral or  
in  which injunctive or similar relief is sought;

      (d)  the receipt by the Borrower or either Pipeline Subsidiary of  any
Environmental  Complaint or any formal request from any  Governmental  Authority
for  information (other than requirements for compliance reports) regarding  any
Release of Hazardous Substances by the Borrower or either Pipeline Subsidiary or
from,  affecting, or related to any Property of the Borrower or either  Pipeline
Subsidiary, the effect of which could reasonably be expected to have a  Material
Adverse Effect;

      (e)  any actual, proposed, or threatened testing or other investigation by
any Governmental Authority concerning the environmental condition of, or 
relating to,  any  Property  of  the  Borrower or any Pipeline Subsidiary  
following  any allegation  of a violation of any Requirement of Law, the effect 
of which  could reasonably be expected to have a Material Adverse Effect;

      (f) any Release of Hazardous Substances by the Borrower or either Pipeline
Subsidiary  or  from, affecting, or related to any Property of the  Borrower  or
either  Pipeline Subsidiary or the violation of any Environmental  Law,  or  the
revocation,  suspension,  or  forfeiture of or failure  to  renew,  any  permit,
license,  registration,  approval, or authorization which  could  reasonably  be
expected to have a Material Adverse Effect;

      (g)  any Reportable Event or imminently expected Reportable Event with 
respect to any Plan; any withdrawal from, or the termination, Reorganization  or
Insolvency  of,  any Multiemployer Plan; the institution of proceedings  or  the
taking  of  any  other action by the PBGC, the Borrower, any  Guarantor  or  any
Commonly  Controlled Entity or Multiemployer Plan with respect to the withdrawal
from,  or  the termination, Reorganization or Insolvency of, any Single Employer
Plan or Multiemployer Plan; or any Prohibited Transaction in connection with any
Plan  or  any trust created thereunder, the effect of which could reasonably  be
expected  to have a Material Adverse Effect, and the action being taken  by  the
Internal Revenue Service with respect thereto;

     (h) the failure of any Credit Account to be paid within 5 days from the due
date expressed in the related invoice; and

     (i) any other event or condition which could reasonably be expected to have
a Material Adverse Effect.

5.7   Additional Information.  Furnish to the Agent and each Lender, within five
days  after  any  material  report (other than financial  statements)  or  other
material  communication  is  sent  by the  Borrower  or  any  Guarantor  to  its
stockholders (in their capacity as stockholders) or filed by the Borrower or any
Guarantor  with  the  Securities and Exchange Commission  or  any  successor  or
analogous   Governmental  Authority  or  with  the  Federal  Energy   Regulatory
Commission  or  the  Texas  Railroad  Commission,  copies  of  such  report   or
communication  and, promptly upon the request of the Agent or any  Lender,  such
additional  financial  or other information concerning the assets,  liabilities,
operations, and transactions of the Borrower as the Agent or any Lender may from
time to time request; and notify the Agent not less than ten Business Days prior
to  the occurrence of any condition or event that may change the proper location
for  the  filing of any financing statement or other public notice or  recording
for  the  purpose  of  perfecting a Lien in any Collateral,  including,  without
limitation, any change in (a) its name, (b) the location of its principal  place
of  business or chief executive office, or (c) the location of any Inventory  of
the Borrower or any Guarantor to a state other than Alabama, Florida, Louisiana,
Mississippi,  or  Texas  in an aggregate in excess of  $350,000;  and  upon  the
request  of the Agent, execute such additional Security Instruments  as  may  be
necessary or appropriate in connection therewith.

5.8   Compliance with Laws.  Except to the extent the failure to comply or cause
compliance would not have a Material Adverse Effect, (a) comply, and cause  each
Pipeline  Subsidiary  to  comply,  with  all  applicable  Requirements  of  Law,
including,  without  limitation, (i) the Natural Gas  Policy  Act  of  1978,  as
amended,  (ii) ERISA, (iii) Environmental Laws, and (iv) all permits,  licenses,
registrations,  approvals,  and authorizations (A) related  to  any  natural  or
environmental resource or media located on, above, within, in the  vicinity  of,
related  to  or  affected by any Property of such Person, (B) required  for  the
performance  of  the operations of such Person, or (C) applicable  to  the  use,
generation,  handling,  storage,  treatment,  transport,  or  disposal  of   any
Hazardous  Substances; (b) cause, and cause each Pipeline Subsidiary  to  cause,
all  employees,  crew members, agents, contractors, subcontractors,  and  future
lessees  (pursuant  to  appropriate lease provisions) of  the  Borrower  or  the
Pipeline  Subsidiaries, while such Persons are acting within the scope of  their
relationship with the Borrower or the Pipeline Subsidiaries, to comply with  all
such  Requirements  of  Law  as may be necessary or appropriate  to  enable  the
Borrower and the Pipeline Subsidiaries to so comply; and (c) take such steps  as
are  necessary to ensure that no Release of Hazardous Substances by any Pipeline
Subsidiary or on any Mortgaged Property will occur.

5.9   Payment  of  Assessments  and  Charges.   Pay,  and  cause  each  Pipeline
Subsidiary to pay, all taxes, assessments, governmental charges, rent, and other
Indebtedness which, if unpaid, might become a Lien against the Property  of  the
Borrower  or  either  Pipeline Subsidiary, except any  of  the  foregoing  being
contested in good faith and as to which adequate reserve in accordance with GAAP
has  been established or unless failure to pay would not have a Material Adverse
Effect; and provide evidence satisfactory to the Agent of the payment by  Howell
Corporation  of its obligations to the Department of Energy promptly  after  the
making of each such payment by Howell Corporation.

5.10  Maintenance  of  Corporate  Existence and  Good  Standing.   Maintain  its
corporate  existence or qualification and good standing in its jurisdictions  of
incorporation  and  in  all  jurisdictions wherein the  Property  now  owned  or
hereafter  acquired  or  business now or hereafter conducted  necessitates  same
except  to  the  extent the failure to do so would not have a  Material  Adverse
Effect.

5.11  Further  Assurances.   Promptly cure any  defects  in  the  execution  and
delivery  of any of the Loan Documents and all agreements contemplated  thereby,
and  execute, acknowledge, and deliver such other assurances and instruments and
take  such action as shall, in the opinion of the Agent, be necessary to fulfill
the  terms  of the Loan Documents and to perfect and maintain the perfection  of
the Liens on the Collateral.

5.12  Fees  and  Expenses.   (a) Upon request by the  Agent,  promptly  pay  all
reasonable  fees  and expenses of the Agent in connection with the  preparation,
negotiation,  syndication, execution, delivery, administration, and  enforcement
of this Agreement and the other Loan Documents and any amendments, restatements,
or  supplements thereto, the satisfaction of the conditions precedent set  forth
herein, the filing and recordation of Security Instruments, and the consummation
of  the  transactions  contemplated in the Loan  Documents,  including,  without
limitation, attorneys' fees and expenses.

      (b)  Within  five days of the request by the Agent, pay (to the fullest  
extent permitted by law) all amounts reasonably expended, advanced, or incurred
by or on behalf of the Agent or any Lender (excluding overhead and internal 
charges of the Agent or any Lender) to satisfy any obligation of the Borrower 
under any  of the  Loan  Documents; to collect the Obligations; to enforce the 
rights  of  the Agent  and  the  Lenders under any of the Loan Documents;  and  
to  protect  the Properties  or  business of the Borrower and the Guarantors, 
including,  without limitation, the Collateral, which amounts shall be deemed 
compensatory in nature and liquidated as to amount upon notice to the Borrower 
by the Agent and  which amounts  shall  include,  but  not be limited
to  (i)  all  court  costs, (ii) reasonable fees and expenses of legal counsel, 
auditors, accountants, engineers, and environmental and insurance consultants, 
(iii) fees and expenses incurred in connection with the participation by 
the Agent and the Lenders as members of the creditors' committee in a case 
commenced  under any Insolvency Proceeding,  (iv) fees  and  expenses  
incurred  in connection with  lifting  the  automatic  stay prescribed in 
362 Title 11 of the United States Code, and (v) fees and  expenses
incurred  in connection with any action pursuant to 1129 Title 11 of the  United
States  Code all reasonably incurred by the Agent and the Lenders in  connection
with  the  collection  of any sums due under the Loan Documents,  together  with
interest  at the per annum interest rate equal to the Default Rate on each  such
amount  from  the date of notification that the same was expended, advanced,  or
incurred by the Agent or such Lender until the date it is repaid to the Agent or
such  Lender,  with  the  obligations under  this  Section  surviving  the  non-
assumption of this Agreement in a case commenced under any Insolvency Proceeding
and  being  binding upon the Borrower and/or a trustee, receiver, custodian,  or
liquidator of the Borrower appointed in any such case.

5.13  Operation  of Pipeline Properties.  Maintain and operate, and  cause  each
Pipeline  Subsidiary  to  maintain and operate, its  Pipeline  Properties  in  a
prudent and workmanlike manner in accordance with industry standards.

5.14  Maintenance  and  Inspection  of Properties.   Maintain,  and  cause  each
Pipeline  Subsidiary to maintain, all of its tangible Properties in good  repair
and  condition, ordinary wear and tear excepted; make all necessary replacements
thereof and operate such Properties in a good and workmanlike manner unless  the
failure  to  do  so  would not have a Material Adverse Effect;  and  permit  any
authorized  representative of the Agent or any Lender to visit and  inspect,  at
the  expense  of the Borrower, any tangible Property of the Borrower  or  either
Pipeline Subsidiary.

5.15 Maintenance of Insurance.  Maintain, and cause each Pipeline Subsidiary  to
maintain,  insurance with respect to its Properties and businesses against  such
liabilities,  casualties,  risks,  and contingencies  as  is  customary  in  the
relevant industry and sufficient to prevent a Material Adverse Effect, all  such
insurance to be in amounts and from insurers acceptable to the Agent and  within
60  days  of  the Closing Date for property damage insurance covering Collateral
and  business interruption insurance, if any, maintained by the Borrower, naming
the  Agent  as  loss payee, and, upon any renewal of any such insurance  and  at
other  times  upon  request  by  the  Agent,  furnish  to  the  Agent  evidence,
satisfactory  to  the  Agent, of the maintenance of such insurance.   The  Agent
shall  have the right to collect, and the Borrower hereby assigns to the  Agent,
any  and  all  monies  that may become payable under any policies  of  insurance
relating  to  business interruption or by reason of damage, loss, or destruction
of  any of the Collateral.  In the event of any damage, loss, or destruction for
which  insurance proceeds relating to business interruption or Collateral exceed
$250,000, the Agent may, at its option, apply all such sums or any part  thereof
received  by  it  toward  the  payment of the Obligations,  whether  matured  or
unmatured,  application to be made first to interest and then to principal,  and
shall  deliver  to the Borrower the balance, if any, after such application  has
been  made.   In  the event of any such damage, loss, or destruction  for  which
insurance  proceeds are $250,000 or less, provided that no Default or  Event  of
Default  has  occurred  and  is continuing, the Agent  shall  deliver  any  such
proceeds  received  by  it  to the Borrower.  In the event  the  Agent  receives
insurance proceeds not attributable to Collateral or business interruption,  the
Agent shall deliver any such proceeds to the Borrower.

5.16 Maintenance of Operating Accounts.  Maintain its primary operating accounts
with Bank One.

5.17 Indemnification.  INDEMNIFY AND HOLD THE AGENT AND EACH OF THE LENDERS  AND
THEIR RESPECTIVE SHAREHOLDERS, OFFICERS, DIRECTORS, EMPLOYEES, AGENTS, 
ATTORNEYS-IN-FACT, AND  AFFILIATES AND EACH TRUSTEE FOR THE BENEFIT OF THE AGENT
OR  THE LENDERS  UNDER  ANY SECURITY INSTRUMENT HARMLESS FROM AND AGAINST  ANY  
AND  ALL CLAIMS,  LOSSES, DAMAGES, LIABILITIES, FINES, PENALTIES, CHARGES, 
ADMINISTRATIVE AND  JUDICIAL  PROCEEDINGS AND ORDERS, JUDGMENTS, REMEDIAL 
ACTIONS, REQUIREMENTS AND  ENFORCEMENT  ACTIONS OF ANY KIND, 
AND ALL COSTS AND  EXPENSES  INCURRED  IN CONNECTION  THEREWITH  (INCLUDING,  
WITHOUT  LIMITATION,  ATTORNEYS'  FEES   AND
EXPENSES),  ARISING DIRECTLY OR INDIRECTLY, IN WHOLE OR IN PART,  FROM  (a)  THE
PRESENCE  OF  ANY  HAZARDOUS SUBSTANCES ON, UNDER, OR FROM ANY PROPERTY  OF  THE
BORROWER  OR  EITHER PIPELINE SUBSIDIARY, WHETHER PRIOR TO OR  DURING  THE  TERM
HEREOF, (b) ANY ACTIVITY CARRIED ON OR UNDERTAKEN ON OR OFF ANY PROPERTY OF  THE
BORROWER  OR  EITHER PIPELINE SUBSIDIARY, WHETHER PRIOR TO OR  DURING  THE  TERM
HEREOF,  AND  WHETHER  BY  THE  BORROWER, EITHER  PIPELINE  SUBSIDIARY,  OR  ANY
PREDECESSOR  IN  TITLE,  EMPLOYEE, AGENT, CONTRACTOR, OR  SUBCONTRACTOR  OF  THE
BORROWER,  EITHER PIPELINE SUBSIDIARY, OR ANY OTHER PERSON AT ANY TIME OCCUPYING
OR  PRESENT  ON  SUCH  PROPERTY,  IN CONNECTION WITH  THE  HANDLING,  TREATMENT,
REMOVAL, STORAGE, DECONTAMINATION, CLEANUP, TRANSPORTATION, OR DISPOSAL  OF  ANY
HAZARDOUS  SUBSTANCES AT ANY TIME LOCATED OR PRESENT ON OR UNDER SUCH  PROPERTY,
(c)  ANY  RESIDUAL  CONTAMINATION ON OR UNDER ANY PROPERTY OF  THE  BORROWER  OR
EITHER  PIPELINE  SUBSIDIARY, (d) ANY CONTAMINATION OF ANY PROPERTY  OR  NATURAL
RESOURCES  ARISING  IN CONNECTION WITH THE GENERATION, USE,  HANDLING,  STORAGE,
TRANSPORTATION  OR DISPOSAL OF ANY HAZARDOUS SUBSTANCES BY THE BORROWER,  EITHER
PIPELINE SUBSIDIARY, OR ANY EMPLOYEE, AGENT, CONTRACTOR, OR SUBCONTRACTOR OF THE
BORROWER OR EITHER PIPELINE SUBSIDIARY WHILE SUCH PERSONS ARE ACTING WITHIN  THE
SCOPE  OF  THEIR  RELATIONSHIP WITH THE BORROWER OR  SUCH  PIPELINE  SUBSIDIARY,
IRRESPECTIVE  OF  WHETHER ANY OF SUCH ACTIVITIES WERE OR WILL BE  UNDERTAKEN  IN
ACCORDANCE  WITH  APPLICABLE REQUIREMENTS OF LAW, OR  (e)  THE  PERFORMANCE  AND
ENFORCEMENT OF ANY LOAN DOCUMENT, ANY ALLEGATION BY ANY BENEFICIARY OF A  LETTER
OF  CREDIT  OF  A  WRONGFUL DISHONOR BY THE AGENT OF A CLAIM OR DRAFT  PRESENTED
THEREUNDER,  OR ANY OTHER ACT OR OMISSION IN CONNECTION WITH OR RELATED  TO  ANY
LOAN  DOCUMENT  OR  THE  TRANSACTIONS CONTEMPLATED THEREBY,  INCLUDING,  WITHOUT
LIMITATION,  ANY  OF  THE  FOREGOING IN THIS SECTION  ARISING  FROM  NEGLIGENCE,
WHETHER  SOLE OR CONCURRENT, ON THE PART OF THE AGENT OR ANY LENDER  OR  ANY  OF
THEIR RESPECTIVE SHAREHOLDERS, OFFICERS, DIRECTORS, EMPLOYEES, AGENTS, 
ATTORNEYS-IN-FACT,  OR  AFFILIATES OR ANY TRUSTEE FOR THE BENEFIT  OF  THE  
AGENT  OR  THE LENDERS  UNDER  ANY SECURITY INSTRUMENT, BUT EXCLUDING ANY OF THE
FOREGOING  IN THIS  SECTION  ARISING FROM THE GROSS NEGLIGENCE OR WILLFUL  
MISCONDUCT  OF  THE AGENT OR ANY LENDER; WITH THE FOREGOING INDEMNITY SURVIVING
SATISFACTION OF  ALL OBLIGATIONS AND THE TERMINATION OF THIS AGREEMENT.


                                   ARTICLE VI

                               NEGATIVE COVENANTS

           So  long  as  any  Obligation remains outstanding or  unpaid  or  any
Commitment  exists,  the Borrower will not, and will not permit  either  of  the
Pipeline Subsidiaries to:

6.1   Indebtedness.  Create, incur, assume, or suffer to exist any Indebtedness,
whether   by  way  of  loan  or  otherwise;  provided,  however,  the  foregoing
restriction  shall  not  apply  to  (a) the Obligations,  (b)  accounts  payable
incurred  in the ordinary course of business, which are not unpaid in excess  of
120  days  beyond invoice date or are being contested in good faith  and  as  to
which  such  reserve as is required by GAAP has been made, (c)  with  the  prior
written  consent of the Lenders, Subordinated Debt, (d) crude oil, natural  gas,
or  other  hydrocarbon swap agreements, in form and substance and with a  Person
acceptable  to the Required Lenders, provided that each commitment issued  under
any  approved crude oil, natural gas, or other hydrocarbons swap agreement  must
also  be  approved  by the Required Lenders, (e) interest  rate  swap  or  other
financial hedging agreements, in form and substance and with a Person acceptable
to  the  Required  Lenders,  or  (f) obligations (other  than  Indebtedness  for
borrowed money or capitalized leases) secured by Permitted Liens.

6.2   Contingent  Obligations.  Create, incur, assume, or suffer  to  exist  any
Contingent  Obligation; provided, however, the foregoing restriction  shall  not
apply  to (a) performance guarantees, performance surety or other bonds provided
in the ordinary course of business, (b) indemnity obligations of the Borrower or
the  Pipeline Subsidiaries under or pursuant to the Purchase and Sale Agreement,
(c) indemnity obligations incurred in the ordinary course of business so long as
such  obligations  do not cover the primary obligation of any Affiliate  of  the
Borrower  or  such Pipeline Subsidiary, (d) trade credit incurred  or  operating
leases entered into in the ordinary course of business, if permitted pursuant to
the  other terms of this Agreement, (e) Contingent Obligations (other than  with
respect  to  Indebtedness for borrowed money or capitalized leases)  secured  by
Permitted Liens, or (f) the Guaranties.

6.3   Liens.  Create, incur, assume, or suffer to exist any Lien on any  of  its
Properties,  whether  now owned or hereafter acquired,  or  its  capital  stock;
provided,  however,  the  foregoing restrictions shall not  apply  to  Permitted
Liens.

6.4   Sales  of  Assets.   Without the prior written  consent  of  the  Required
Lenders,  sell,  transfer, or otherwise dispose of, in  one  or  any  series  of
transactions within any 12-month period, assets, whether now owned or  hereafter
acquired,  the aggregate book value of which for the Borrower and  the  Pipeline
Subsidiaries exceeds $1,000,000, or enter into any agreement to do so; provided,
however,  the  foregoing  restriction  shall  not  apply  to  (a)  the  sale  of
hydrocarbons or inventory in the ordinary course of business, (b)  the  sale  of
crude  oil  pursuant  to  forward sales agreements, or (c)  the  sale  or  other
disposition  of  Property  destroyed, lost, worn out, damaged,  or  having  only
salvage value or no longer used or useful in the business of the Borrower or any
Guarantor.

6.5   Loans  or  Advances.  Make or agree to make any loans or advances  to  any
Person;  provided,  however,  the  foregoing restrictions  shall  not  apply  to
(a) advances or extensions of credit in the form of accounts receivable incurred
in  the  ordinary course of business and upon terms common in the  industry  for
such  accounts receivable, (b) advances to employees for the payment of expenses
in  the  ordinary course of business, or (c) so long as no Default or  Event  of
Default exists, loans or advances to the Borrower, the Pipeline Subsidiaries, or
Howell Corporation.

6.6   Investments.  Acquire Investments in, or purchase or otherwise acquire all
or  substantially  all  of  the assets of, any Person;  provided,  however,  the
foregoing restriction shall not apply to the purchase or acquisition of (a)  the
Pipeline  Properties, (b) Investments in the form of (i) debt securities  issued
or  directly and fully guaranteed or insured by the United States Government  or
any agency or instrumentality thereof, with maturities of no more than one year,
(ii)  commercial paper of a domestic issuer rated at the date of acquisition  at
least  P-2  by  Moody's  Investor Service, Inc. or  A-2  by  Standard  &  Poor's
Corporation  and  with  maturities of no more than one year  from  the  date  of
acquisition,  or  (iii)  repurchase  agreements  covering  debt  securities   or
commercial paper of the type permitted in this Section, certificates of deposit,
demand  deposits, eurodollar time deposits, overnight bank deposits and bankers'
acceptances,  with  maturities  of no more  than  one  year  from  the  date  of
acquisition, issued by or acquired from or through the Agent, any Lender, or any
bank or trust company organized under the laws of the United States or any state
thereof  and having capital surplus and undivided profits aggregating  at  least
$100,000,000, (c) other short-term Investments similar in nature and  degree  of
risk  to  those  described in clause (b) of this Section,  or  (d)  money-market
funds.

6.7   Dividends and Distributions.  Declare, pay, or make, whether  in  cash  or
other  Property,  any  dividend or distribution  on,  or  purchase,  redeem,  or
otherwise acquire for value, any share of any class of its capital stock at  any
time  that (a) a Default or Event of Default exists or will occur as the  result
of the payment of such dividend or distribution, or (b) the L/C Exposure exceeds
the  lesser of the Maximum L/C Commitment Amount or the Borrowing Base  then  in
effect.

6.8  Issuance of Stock; Changes in Corporate Structure.  Issue or agree to issue
additional shares of capital stock, in one or any series of transactions;  enter
into  any transaction of consolidation, merger, or amalgamation; liquidate, wind
up, or dissolve (or suffer any liquidation or dissolution).

6.9   Transactions  with  Affiliates.  Directly or indirectly,  enter  into  any
material transaction (including the sale, lease, or exchange of Property or  the
rendering  of  service) with any of its Affiliates, other  than  upon  fair  and
reasonable  terms no less favorable than could be obtained in  an  arm's  length
transaction with a Person not an Affiliate.

6.10 Lines of Business.  Expand, on its own or through any Subsidiary, into
any  line  of  business other than those in which it is engaged as of  the  date
hereof  or,  with respect to the Pipeline Subsidiaries, as of the  date  of  the
acquisition of the Pipeline Properties and terminaling activities.

6.11 Rental or Lease Agreements.  Enter into any contract to rent or lease
as  lessee  any  Properties, real or personal; provided, however, the  foregoing
restriction shall not apply to (a) leases in effect as of the Closing  Date  and
renewals  and  extensions  thereof under terms  and  conditions  not  materially
different  from those in effect as of the Closing Date, (b) leases of  operating
tankage  at Webster, Texas, from Exxon Pipeline Company (or its affiliate),  the
rental  or lease payments for which in any calendar or fiscal year do not exceed
$237,600,  or  (c)  other operating leases the rental and lease  payments  under
which in any calendar or fiscal year do not exceed $500,000 in the aggregate for
all  such leases of the Borrower, each Guarantor, and all Subsidiaries of Howell
Corporation.

6.12  ERISA  Compliance.   Permit any Plan maintained  by  it  or  any  Commonly
Controlled  Entity to (a) engage in any Prohibited Transaction,  the  effect  of
which  could reasonably be expected to have a Material Adverse Effect, (b) incur
any "accumulated funding deficiency," as such term is defined in Section 302  of
ERISA,  or (c) terminate in a manner which could result in the imposition  of  a
Lien  on  any  Property of the Borrower pursuant to Section 4068  of  ERISA;  or
assume  an  obligation to contribute to any Multiemployer Plan; or  acquire  any
Person  or  the  assets of any Person which has now or has had at  any  time  an
obligation to contribute to any Multiemployer Plan.

6.13  Tangible Net Worth.  Permit Tangible Net Worth to be less than  $4,000,000
plus  (a)  70%  of  positive  Net  Income  of  the  Borrower  and  the  Pipeline
Subsidiaries  for all fiscal quarters ending subsequent to March 31,  1995,  and
(b) 70% of any increase in net worth of the Borrower resulting from the sale  or
issuance of capital stock after March 31, 1995.

6.14  Cash  Flow Coverage.  Permit, as of the close of any fiscal  quarter,  the
ratio  of  (a) Cash Flow of the Borrower and the Pipeline Subsidiaries for  such
quarter to (b) Debt Service for such quarter to be less than 1.25 to 1.00.

6.15  Futures  Contracts.   Enter  into or  permit  to  exist  any  fixed  price
contracts,  the  obligations of the Borrower or such Pipeline  Subsidiary  under
which  are  not covered by hedging agreements; provided, however, the  foregoing
restriction  shall  not apply to fixed price contracts under which  the  maximum
aggregate  liability of the Borrower and the Pipeline Subsidiaries at  any  time
outstanding does not exceed $2,000,000.


                                   ARTICLE VII

                                EVENTS OF DEFAULT

7.1   Enumeration  of  Events  of Default.  Any of the  following  events  shall
constitute an Event of Default:

      (a)  default shall be made in the payment when due of any  installment  of
principal  or interest under this Agreement or the Notes or in the payment  when
due of any fee or other sum payable under any Loan Document and, with respect to
the  payment  of  interest or fees only, such default shall continue  for  three
days;

      (b)  default shall be made by the Borrower or any Guarantor in  the  due
observance or performance of any of their respective obligations under the  Loan
Documents,  and with respect to the observance or performance of obligations  of
the  Borrower  pursuant  to Sections 5.1, 5.2, 5.3, 5.4,  5.5,  5.6(d),  5.6(e),
5.6(f),  5.6(g),  5.7,  5.14, 5.15, 6.1(b), or 6.13 and  obligations  of  Howell
Corporation  pursuant to Sections 4.1, 4.2(c), 4.2(d), 4.2(e),  4.2(f),  4.2(g),
4.3,  5.12, 5.13, or 5.14 of the Guaranty only, such default shall continue  for
30  days  after the earlier of notice thereof to the Borrower by  the  Agent  or
knowledge thereof by the Borrower or such Guarantor;

     (c)  any representation or warranty made by the Borrower or any Guarantor 
in any of the Loan Documents proves to have been untrue in any material respect 
or any representation, statement (including Financial Statements), certificate,
or data furnished  or made to the Agent or any Lender in connection herewith  
proves to have  been  untrue in any material respect as of the date the facts 
therein  set forth were stated or certified;

     (d) default shall be made by the Borrower or any Guarantor (as principal or
guarantor  or  other  surety) in the payment of any  Indebtedness  for  borrowed
money,  capitalized  leases,  or owing to the Department  of  Energy,  and  such
default  shall remain unremedied for in excess of the period of grace,  if  any,
with respect thereto;

      (e)  either the Borrower or any Guarantor shall (i) apply for or consent 
to the appointment  of a receiver, trustee, or liquidator of it or all or a 
substantial part  of  its  assets, (ii) file a voluntary petition commencing  an
Insolvency Proceeding, (iii) make a general assignment for the  benefit  of  
creditors, (iv) be unable, or admit in writing its inability, to pay its debts 
generally as they  become due, or (v) file an answer admitting the material 
allegations of  a petition filed against it in any Insolvency Proceeding;

      (f)  an order, judgment, or decree shall be entered against either the 
Borrower or any Guarantor by any court of competent jurisdiction or by any other
duly authorized  authority,  on  the petition of a creditor  or  otherwise,  
granting relief in any Insolvency Proceeding or approving a petition  seeking
reorganization or an arrangement of its debts or appointing a receiver, trustee,
conservator,  custodian, or liquidator of it or all or any substantial  part  of
its assets, and such order, judgment, or decree shall not be dismissed or stayed
within 30 days;

     (g)  the levy against any significant portion of the Property of the 
Borrower or any  Guarantor,  or  any execution, garnishment, attachment,  
sequestration, or other writ or similar proceeding which is not permanently 
dismissed  or discharged within 30 days after the levy;

     (h)  a final and non-appealable order, judgment, or decree shall be entered
against the Borrower or any Guarantor for money damages and/or Indebtedness  due
in  an amount in excess of $1,000,000, and such order, judgment, or decree shall
not be dismissed or stayed or paid within 30 days;

      (i)  either the Borrower or any Guarantor shall have (i) concealed, 
removed, or diverted,  or permitted to be concealed, removed, or diverted, any 
part  of  its Property, with intent to hinder, delay, or defraud its creditors 
or any of them, (ii)  made or suffered a transfer of any of its Property which 
may be fraudulent under  any  bankruptcy, fraudulent conveyance, or similar law,
(iii)  made  any transfer  of  its Property to or for the benefit of a creditor 
at a time when other creditors similarly situated have not been paid, or (iv) 
shall  have suffered  or permitted, while insolvent, any creditor to obtain a 
Lien upon  any of  its  Property through legal proceedings or distraint which 
is  not  vacated within 30 days from the date thereof;

     (j)  any Security Instrument shall for any reason not, or cease to, create 
valid and  perfected  first-priority Liens against the Collateral purportedly  
covered thereby;

      (k)  any  Person  shall engage in any "prohibited transaction" (as defined
in Section 406 of ERISA or Section 4975 of the Code) involving any Plan, the 
effect of which could reasonably be expected to have a Material Adverse  Effect;
any "accumulated  funding deficiency" (as defined in Section 302 of ERISA),  
whether or  not waived, shall exist with respect to any Plan for which an 
excise tax  is due  or would be due in the absence of a waiver; a Reportable 
Event shall  occur with respect to, or proceedings shall commence to have a 
trustee appointed, or a trustee  shall be appointed, to administer 
or to terminate, any Single  Employer Plan, which Reportable Event or 
commencement of proceedings or appointment of a trustee  is,  in the reasonable 
opinion of the Agent, likely to  result  in  the termination of such 
Plan for purposes of Title IV of ERISA; any Single  Employer
Plan  shall  terminate  for  purposes of Title IV of ERISA;  the  Borrower,  any
Guarantor  or  any Commonly Controlled Entity shall incur, or in the  reasonable
opinion  of  the  Agent, be likely to incur any liability in connection  with  a
withdrawal  from, or the Insolvency or Reorganization of, a Multiemployer  Plan;
or  any other event or condition shall occur or exist with respect to a Plan and
the result of such events or conditions referred to in this Section 7.1(k) could
subject the Borrower, any Guarantor or any Commonly Controlled Entity to any tax
(other  than  an  excise tax under Section 4980 of the Code), penalty  or  other
liabilities  which taken in the aggregate would have a Material  Adverse  Effect
and any such circumstance shall exist for in excess of 30 days;

      (l)  Howell Corporation shall cease to own all of the outstanding capital 
stock of any class issued by the Borrower or the Borrower shall cease to own all
of the outstanding capital stock of any class issued by either Pipeline 
Subsidiary;

      (m)  default shall be made by the Borrower in the payment when due of any
purchase price for crude oil payable to the beneficiary of any Letter of Credit;
or

     (n)  the occurrence of any event or condition which could reasonably be 
expected to  have a Material Adverse Effect and the same shall remain unremedied
for  in excess of 30 days after notice given by the Agent.

7.2   Remedies.   (a)  Upon the occurrence of an Event of Default  specified  in
Sections  7.1(e) or 7.1(f), immediately and without notice, (i) all  Obligations
shall  automatically  become immediately due and payable,  without  presentment,
demand,  protest, notice of protest, default, or dishonor, notice of  intent  to
accelerate maturity, notice of acceleration of maturity, or other notice of  any
kind,  except as may be provided to the contrary elsewhere herein, all of  which
are  hereby  expressly  waived  by  the Borrower;  (ii)  the  Commitments  shall
immediately cease and terminate unless and until reinstated by the Agent and the
Lenders  in  writing;  and (iii) with the oral consent of the  Required  Lenders
(confirmed promptly in writing), the Agent and each Lender are hereby authorized
at  any  time  and from time to time, without notice to the Borrower  (any  such
notice being expressly waived by the Borrower), to set-off and apply any and all
deposits (general or special, time or demand, provisional or final) held by  the
Agent or such Lender and any and all other indebtedness at any time owing by the
Agent or such Lender to or for the credit or account of the Borrower against any
and all of the Obligations.

      (b)  Upon the occurrence of any Event of Default other than those 
specified  in Sections  7.1(e)  or  7.1(f), (i) the Agent may and, upon  
the  request  of  the Required  Lenders,  shall, by notice to the Borrower,  
declare  all  Obligations immediately  due  and payable, without presentment,
demand, protest,  notice  of protest,  default, or dishonor, notice of intent
to accelerate maturity,  notice of  acceleration  of maturity, or other notice
of any kind,  except  as  may  be provided  to  the  contrary elsewhere 
herein, all of which are hereby  expressly waived by the Borrower; (ii) the 
Agent may and, upon the request of the Required Lenders,  shall,  declare the 
Commitments terminated, whereupon the  Commitments shall  immediately cease and
terminate unless and until reinstated by the  Agent and  the  Lenders 
in writing; and (iii)  with the oral consent of  the  Required Lenders  
(confirmed promptly in writing), the Agent and each Lender  are  hereby
authorized  at  any time and from time to time, without notice to  the  Borrower
(any  such notice being expressly waived by the Borrower), to set-off and  apply
any  and all deposits (general or special, time or demand, provisional or final)
held  by the Agent or such Lender and any and all other indebtedness at any time
owing  by  the  Agent  or such Lender to or for the credit  or  account  of  the
Borrower against any and all of the Obligations although such Obligations may be
unmatured.

     (c) Upon the occurrence of any Event of Default, the Lenders, with the oral
consent  of the Required Lenders (confirmed promptly in writing) and the  Agent,
in  accordance with the terms hereof, may, in addition to the foregoing in  this
Section,  exercise any or all of their rights and remedies provided  by  law  or
pursuant to the Loan Documents.



                                  ARTICLE VIII
                                        
                                    THE AGENT

8.1   Appointment.  Each Lender hereby designates and appoints the Agent as  the
agent  of  such Lender under this Agreement and the other Loan Documents.   Each
Lender  authorizes the Agent, as the agent for such Lender, to take such  action
on  behalf  of such Lender under the provisions of this Agreement and the  other
Loan  Documents  and  to exercise such powers and perform  such  duties  as  are
expressly  delegated to the Agent by the terms of this Agreement and  the  other
Loan  Documents,  together with such other powers as are  reasonably  incidental
thereto.   Notwithstanding  any  provision to the  contrary  elsewhere  in  this
Agreement or in any other Loan Document, the Agent shall not have any duties  or
responsibilities except those expressly set forth herein or in  any  other  Loan
Document  or  any  fiduciary  relationship  with  any  Lender;  and  no  implied
covenants,  functions, responsibilities, duties, obligations, or liabilities  on
the  part  of  the  Agent shall be read into this Agreement or  any  other  Loan
Document or otherwise exist against the Agent.

8.2   Delegation of Duties.  The Agent may execute any of its duties under  this
Agreement and the other Loan Documents by or through agents or attorneys-in-fact
and shall be entitled to advice of counsel concerning all matters pertaining  to
such  duties.   The  Agent  shall  not  be responsible  for  the  negligence  or
misconduct  of  any agents or attorneys-in-fact selected by it  with  reasonable
care.

8.3   Exculpatory  Provisions.   Neither the Agent  nor  any  of  its  officers,
directors,  employees,  agents, attorneys-in-fact or  affiliates  shall  be  (a)
required  to  initiate  or  conduct  any litigation  or  collection  proceedings
hereunder,  except with the concurrence of the Required Lenders and contribution
by each Lender of its Term Loan Percentage Share of costs reasonably expected by
the  Agent  to  be incurred in connection therewith, (b) liable for  any  action
lawfully  taken  or  omitted  to be taken by it  or  such  Person  under  or  in
connection  with  this Agreement or any other Loan Document  (except  for  gross
negligence  or  willful  misconduct  of  the  Agent  or  such  Person),  or  (c)
responsible   in  any  manner  to  any  Lender  for  any  recitals,  statements,
representations  or  warranties  made by the Borrower  or  any  officer  thereof
contained  in  this Agreement or any other Loan Document or in any  certificate,
report,  statement or other document referred to or provided for in, or received
by  the  Agent  under or in connection with, this Agreement or  any  other  Loan
Document,  or  for the sufficiency, accuracy, or completeness of  any  materials
provided  by the Agent, or the failure of the Agent to provide any materials  or
disclose any matter to any Lender except as may be expressly required herein, or
for   the   value,  validity,  effectiveness,  genuineness,  enforceability   or
sufficiency of this Agreement or any other Loan Document or for any  failure  of
the  Borrower  to  perform its obligations hereunder or thereunder.   The  Agent
shall not be under any obligation to any Lender to ascertain or to inquire as to
the  observance  or  performance  of any of  the  agreements  contained  in,  or
conditions  of,  this Agreement or any other Loan Document, or  to  inspect  the
properties, books or records of the Borrower.

8.4  Reliance by Agent.  The Agent shall be entitled to rely, and shall be fully
protected  in  relying,  upon  any Note, writing, resolution,  notice,  consent,
certificate, affidavit, letter, cablegram, telegram, telecopy, telex or teletype
message, statement, order or other document or conversation believed by it to be
genuine  and correct and to have been signed, sent or made by the proper  Person
or  Persons and upon advice and statements of legal counsel (including,  without
limitation, counsel to the Borrower), independent accountants and other  experts
selected  by the Agent.  The Agent may deem and treat the payee of any  Note  as
the  owner  thereof  for  all  purposes unless and until  a  written  notice  of
assignment,  negotiation, or transfer thereof shall have been  received  by  the
Agent.   The Agent shall be fully justified in failing or refusing to  take  any
action  under  this Agreement or any other Loan Document unless it  shall  first
receive  such  advice  or  concurrence of  the  Required  Lenders  as  it  deems
appropriate and contribution by each Lender of its Term Loan Percentage Share of
costs  reasonably expected by the Agent to be incurred in connection  therewith.
The Agent shall in all cases be fully protected in acting, or in refraining from
acting, under this Agreement and the other Loan Documents in accordance  with  a
request  of the Required Lenders.  Such request and any action taken or  failure
to act pursuant thereto shall be binding upon the Lenders and all future holders
of  the Notes.  In no event shall the Agent be required to take any action  that
exposes the Agent to personal liability or that is contrary to any Loan Document
or applicable Requirement of Law.

8.5   Notice  of  Default.  The Agent shall not be deemed to have  knowledge  or
notice of the occurrence of any Default or Event of Default unless the Agent has
received  notice  from  a Lender or the Borrower referring  to  this  Agreement,
describing  such Default or Event of Default and stating that such notice  is  a
"notice  of  default."  In the event that the Agent receives such a notice,  the
Agent  shall promptly give notice thereof to the Lenders.  The Agent shall  take
such  action  with  respect to such Default or Event  of  Default  as  shall  be
reasonably directed by the Required Lenders; provided that unless and until  the
Agent  shall have received such directions, subject to the provisions of Section
7.2,  the Agent may (but shall not be obligated to) take such action, or refrain
from taking such action, with respect to such Default or Event of Default as  it
shall  deem  advisable in the best interests of the Lenders.  In the event  that
the officer of the Agent primarily responsible for the lending relationship with
the  Borrower or the officer of any Lender primarily responsible for the lending
relationship with the Borrower becomes aware that a Default or Event of  Default
has  occurred and is continuing, the Agent or such Lender, as the case  may  be,
shall  use its good faith efforts to inform the other Lenders and/or the  Agent,
as  the case may be, promptly of such occurrence.  Notwithstanding the preceding
sentence, failure to comply with the preceding sentence shall not result in  any
liability to the Agent or any Lender.

8.6    Non-Reliance   on  Agent  and  Other  Lenders.   Each  Lender   expressly
acknowledges  that  neither the Agent nor any other  Lender  nor  any  of  their
respective   officers,   directors,  employees,  agents,  attorneys-in-fact   or
affiliates  has made any representation or warranty to such Lender and  that  no
act  by  the Agent or any other Lender hereafter taken, including any review  of
the affairs of the Borrower, shall be deemed to constitute any representation or
warranty by the Agent or any Lender to any other Lender.  Each Lender represents
to  the Agent that it has, independently and without reliance upon the Agent  or
any  other Lender, and based on such documents and information as it has  deemed
appropriate,  made  its own appraisal of and investigation  into  the  business,
operations,  property, condition (financial and otherwise) and  creditworthiness
of  the  Borrower  and the value of the Collateral and other Properties  of  the
Borrower  and  has  made its own decision to enter into  this  Agreement.   Each
Lender also represents that it will, independently and without reliance upon the
Agent  or  any  other Lender and based on such documents and information  as  it
shall  deem  appropriate at the time, continue to make its own credit  analysis,
appraisals and decisions in taking or not taking action under this Agreement and
the  other  Loan Documents, and to make such investigation as it deems necessary
to  inform itself as to the business, operations, property, condition (financial
and  otherwise)  and  creditworthiness of the Borrower  and  the  value  of  the
Collateral  and  other Properties of the Borrower.  Except for notices,  reports
and  other  documents expressly required to be furnished to the Lenders  by  the
Agent  hereunder, the Agent shall not have any duty or responsibility to provide
any  Lender  with  any  credit  or other information  concerning  the  business,
operations,  property, condition (financial and otherwise), or  creditworthiness
of  the  Borrower  or  the value of the Collateral or other  Properties  of  the
Borrower which may come into the possession of the Agent or any of its officers,
directors, employees, agents, attorneys-in-fact or affiliates.

8.7   Indemnification.   EACH  LENDER AGREES TO  INDEMNIFY  THE  AGENT  AND  ITS
OFFICERS, DIRECTORS, EMPLOYEES, AGENTS, ATTORNEYS-IN-FACT AND AFFILIATES (TO THE
EXTENT NOT REIMBURSED BY THE BORROWER AND WITHOUT LIMITING THE OBLIGATION OF THE
BORROWER TO DO SO), RATABLY ACCORDING TO THE TERM LOAN PERCENTAGE SHARE OF  SUCH
LENDER,  FROM AND AGAINST ANY AND ALL LIABILITIES, CLAIMS, OBLIGATIONS,  LOSSES,
DAMAGES, PENALTIES, ACTIONS, JUDGMENTS, SUITS, COSTS, EXPENSES AND DISBURSEMENTS
OF ANY KIND WHATSOEVER WHICH MAY AT ANY TIME (INCLUDING, WITHOUT LIMITATION, ANY
TIME  FOLLOWING  THE  PAYMENT  AND  PERFORMANCE  OF  ALL  OBLIGATIONS  AND   THE
TERMINATION  OF  THIS AGREEMENT) BE IMPOSED ON, INCURRED BY OR ASSERTED  AGAINST
THE   AGENT   OR   ANY   OF   ITS   OFFICERS,  DIRECTORS,   EMPLOYEES,   AGENTS,
ATTORNEYS-IN-FACT OR AFFILIATES IN ANY WAY RELATING TO OR ARISING  OUT  OF  THIS
AGREEMENT  OR  ANY  OTHER LOAN DOCUMENT, OR ANY OTHER DOCUMENT  CONTEMPLATED  OR
REFERRED  TO HEREIN OR THE TRANSACTIONS CONTEMPLATED HEREBY OR ANY ACTION  TAKEN
OR  OMITTED  BY THE AGENT OR ANY OF ITS OFFICERS, DIRECTORS, EMPLOYEES,  AGENTS,
ATTORNEYS-IN-FACT  OR  AFFILIATES  UNDER  OR  IN  CONNECTION  WITH  ANY  OF  THE
FOREGOING,  INCLUDING, WITHOUT LIMITATION, ANY LIABILITIES, CLAIMS, OBLIGATIONS,
LOSSES,  DAMAGES,  PENALTIES, ACTIONS, JUDGMENTS,  SUITS,  COSTS,  EXPENSES  AND
DISBURSEMENTS  IMPOSED,  INCURRED OR ASSERTED AS A  RESULT  OF  THE  NEGLIGENCE,
WHETHER  SOLE  OR  CONCURRENT, OF THE AGENT OR ANY OF ITS  OFFICERS,  DIRECTORS,
EMPLOYEES,  AGENTS,  ATTORNEYS-IN-FACT OR AFFILIATES; PROVIDED  THAT  NO  LENDER
SHALL BE LIABLE FOR THE PAYMENT OF ANY PORTION OF SUCH LIABILITIES, OBLIGATIONS,
LOSSES,  DAMAGES,  PENALTIES,  ACTIONS, JUDGMENTS,  SUITS,  COSTS,  EXPENSES  OR
DISBURSEMENTS  RESULTING SOLELY FROM THE GROSS NEGLIGENCE OR WILLFUL  MISCONDUCT
OF THE AGENT OR ANY OF ITS OFFICERS, DIRECTORS, EMPLOYEES, AGENTS, ATTORNEYS-IN-
FACT  OR  AFFILIATES.  THE AGREEMENTS IN THIS SECTION SHALL SURVIVE THE  PAYMENT
AND PERFORMANCE OF ALL OBLIGATIONS AND THE TERMINATION OF THIS AGREEMENT.

8.8   Restitution.  Should the right of the Agent or any Lender to realize funds
with  respect to the Obligations be challenged and any application of such funds
to  the Obligations be reversed, whether by Governmental Authority or otherwise,
or  should  the  Borrower otherwise be entitled to a refund or return  of  funds
distributed to the Lenders in connection with the Obligations, the Agent or such
Lender, as the case may be, shall promptly notify the Lenders of such fact.  Not
later than Noon, Central Standard or Daylight Savings Time, as the case may  be,
of the Business Day following such notice, each Lender shall pay to the Agent an
amount  equal  to the ratable share of such Lender of the funds required  to  be
returned  to the Borrower.  The ratable share of each Lender shall be determined
on  the  basis  of the percentage of the payment all or a portion  of  which  is
required  to  be  refunded  originally  distributed  to  such  Lender,  if  such
percentage  can  be determined, or, if such percentage cannot be determined,  on
the  basis  of the Term Loan Percentage Share of such Lender.  The  Agent  shall
forward  such  funds to the Borrower or to the Lender required  to  return  such
funds.   If  any  such amount due to the Agent is made available by  any  Lender
after  Noon, Central Standard or Daylight Savings Time, as the case may  be,  of
the  Business Day following such notice, such Lender shall pay to the Agent  (or
the Lender required to return funds to the Borrower, as the case may be) for its
own  account interest on such amount at a rate equal to the Federal  Funds  Rate
for  the period from and including the date on which restitution to the Borrower
is made by the Agent (or the Lender required to return funds to the Borrower, as
the  case may be) to but not including the date on which such Lender failing  to
timely forward its share of funds required to be returned to the Borrower  shall
have made its ratable share of such funds available.

8.9   Agent in Its Individual Capacity.  The Agent and its affiliates  may  make
loans to, accept deposits from and generally engage in any kind of business with
the Borrower as though the Agent were not the agent hereunder.  With respect  to
any  Note  issued to the Lender serving as the Agent, the Agent shall  have  the
same  rights  and powers under this Agreement as a Lender and may exercise  such
rights  and  powers  as though it were not the Agent.  The  terms  "Lender"  and
"Lenders" shall include the Agent in its individual capacity.

8.10  Successor Agent.  The Agent may resign as Agent upon ten days'  notice  to
the  Lenders  and the Borrower.  If the Agent shall resign as Agent  under  this
Agreement  and  the  other  Loan Documents, Lenders  for  which  the  Term  Loan
Percentage Shares aggregate at least 60% shall appoint from among the Lenders  a
successor agent for the Lenders, whereupon such successor agent shall succeed to
the  rights, powers and duties of the Agent.  The term "Agent" shall  mean  such
successor agent effective upon its appointment.  The rights, powers, and  duties
of  the  former Agent as Agent shall be terminated, without any other or further
act  or  deed  on  the part of such former Agent or any of the parties  to  this
Agreement or any holders of the Notes.  After the removal or resignation of  any
Agent  hereunder  as  Agent, the provisions of this Article  VIII  and  Sections
2.2(d),  5.12,  and 5.17 shall inure to its benefit as to any actions  taken  or
omitted to be taken by it while it was Agent under this Agreement and the  other
Loan Documents.

8.11  Applicable  Parties.  The provisions of this Article are  solely  for  the
benefit of the Agent and the Lenders, and the Borrower shall not have any rights
as  a  third party beneficiary or otherwise under any of the provisions of  this
Article.  In performing functions and duties hereunder and under the other  Loan
Documents, the Agent shall act solely as the agent of the Lenders and  does  not
assume,  nor  shall it be deemed to have assumed, any obligation or relationship
of  trust  or  agency  with  or for the Borrower or  any  legal  representative,
successor, and assign of the Borrower.

                                   ARTICLE IX
                                        
                                  MISCELLANEOUS

9.1   Assignments; Participations.  (a) The Borrower may not assign any  of  its
rights  or obligations under any Loan Document without the prior consent of  the
Agent and the Lenders.

      (b)  Except pursuant to Section 2.25 and the Related Facilities Agreement,
no Lender may assign all or any portion of its rights and obligations under this
Agreement.   Any  assignment of rights and obligations of a  Lender  under  this
Agreement  shall  be  made  pursuant  to  an  Assignment  Agreement.   Any  such
assignment  of  rights  and  obligations of  a  Lender  hereunder  shall  become
effective  upon  the  execution and delivery to  the  Agent  of  the  Assignment
Agreement  and  the  consent of the Agent.  Promptly  following  receipt  of  an
executed  Assignment Agreement, the Agent shall send to the Borrower a  copy  of
such executed Assignment Agreement.  Promptly following receipt of such executed
Assignment  Agreement,  the  Borrower shall execute  and  deliver,  at  its  own
expense,  new  Notes  to  the  assignee and, if  applicable,  the  assignor,  in
accordance  with their respective interests, whereupon the prior  Notes  of  the
assignor  and, if applicable, the assignee, shall be cancelled and  returned  to
the Borrower.  Upon the effectiveness of any assignment pursuant to this Section
9.1(b), the assignee will become a "Lender," if not already a "Lender," for  all
purposes  of  the  Loan Documents, and the assignor shall  be  relieved  of  its
obligations  hereunder to the extent of such assignment.   If  the  assignor  no
longer holds any rights or obligations under this Agreement, such assignor shall
cease to be a "Lender" hereunder, except that its rights under Sections 2.21 and
5.17 shall not be affected.  On the last Business Day of each month during which
an  assignment has become effective pursuant to this Section 9.1(b),  the  Agent
shall  prepare  a new Exhibit IV giving effect to all such assignments  effected
during  such month and will promptly provide a copy thereof to the Borrower  and
each Lender.

      (c)  Each Lender may transfer, grant, or assign participations in all or 
any portion of its interests hereunder to its affiliates only pursuant  to  this
Section  9.1(c),  provided  that such Lender shall remain  a  "Lender"  for  all
purposes  of this Agreement and the transferee of such participation  shall  not
constitute  a  "Lender" hereunder.  In the case of any such  participation,  the
participant shall not have any rights under any Loan Document, the rights of the
participant  in respect of such participation to be against the granting  Lender
as  set forth in the agreement with such Lender creating such participation, and
all  amounts payable by the Borrower hereunder shall be determined  as  if  such
Lender had not sold such participation.

     (d)  The Lenders may furnish any information concerning the Borrower in the
possession  of  the  Lenders  from  time to  time  to  permitted  assignees  and
participants and, with the consent of the Borrower, to prospective assignees and
participants.

      (e)  Notwithstanding anything in this Section to the contrary, any  Lender
may assign and pledge all or any of its Notes or any interest therein to any 
Federal Reserve  Bank or the United States Treasury as collateral security  
pursuant  to Regulation  A  of the Board of Governors of the Federal Reserve 
System  and  any operating  circular  issued by such Federal Reserve System 
and/or  such  Federal Reserve  Bank.   No  such assignment or pledge shall 
release  the  assigning  or pledging Lender from its obligations hereunder.

      (f)  Notwithstanding any other provisions of this Section, no transfer  or
assignment  of  the  interests  or  obligations  of  any  Lender  or  grant   of
participations therein shall be permitted if such transfer, assignment, or grant
would  require the Borrower to file a registration statement with the Securities
and  Exchange Commission or any successor Governmental Authority or qualify  the
Loans under the "Blue Sky" laws of any state.

9.2     Survival   of   Representations,   Warranties,   and   Covenants.    All
representations and warranties of the Borrower and all covenants and  agreements
herein  made  shall  survive the execution and delivery of  the  Notes  and  the
Security  Instruments  and  shall remain in force and  effect  so  long  as  any
Obligation is outstanding or any Commitment exists.

9.3  Notices.  Except as to oral notices expressly authorized herein, which oral
notices shall be confirmed in writing, all notices, requests, and communications
hereunder  shall  be  in  writing  (including by  telecopy).   Unless  otherwise
expressly  provided  herein,  any  such  notice,  request,  demand,   or   other
communication shall be deemed to have been duly given or made when delivered  by
hand, or, in the case of delivery by mail, two Business Days after deposited  in
the  mail, certified mail, return receipt requested, postage prepaid, or, in the
case  of  telecopy  notice, when receipt thereof is acknowledged  orally  or  by
written  confirmation  report,  addressed to each  party  at  the  "Address  for
Notices" specified below its name on the signature pages hereof or at such other
address as shall be designated by such party in a properly given notice.

9.4   Parties in Interest.  Subject to the restrictions on changes in  corporate
structure  set forth in Section 6.8 and other applicable restrictions  contained
herein,  all  covenants and agreements herein contained by or on behalf  of  the
Borrower,  the  Agent, or the Lenders shall be binding upon  and  inure  to  the
benefit  of  the Borrower, the Agent, or the Lenders, as the case  may  be,  and
their respective legal representatives, successors, and permitted assigns.

9.5   Rights  of  Third Parties.  All provisions herein are imposed  solely  and
exclusively for the benefit of the Agent, the Lenders and the Borrower and their
successors  and  permitted  assigns.  No other  Person  shall  have  any  right,
benefit,  priority, or interest hereunder or as a result hereof or have standing
to require satisfaction of provisions hereof in accordance with their terms.

9.6   No  Waiver; Rights Cumulative.  No course of dealing on the  part  of  the
Agent or the Lenders or their officers or employees, nor any failure or delay by
the  Agent  or the Lenders with respect to exercising any of their rights  under
any  Loan  Document shall operate as a waiver thereof.  The rights of the  Agent
and the Lenders under the Loan Documents shall be cumulative and the exercise or
partial exercise of any such right shall not preclude the exercise of any  other
right.   Neither the making of the Loan nor the issuance of a Letter  of  Credit
shall constitute a waiver of any of the covenants, warranties, or conditions  of
the  Borrower contained herein.  In the event the Borrower is unable to  satisfy
any  such  covenant, warranty, or condition, neither the making of the Loan  nor
the issuance of a Letter of Credit shall have the effect of precluding the Agent
or  the  Lenders  from thereafter declaring such inability to  be  an  Event  of
Default as hereinabove provided.

9.7   Survival  Upon  Unenforceability.  In the event any one  or  more  of  the
provisions  contained  in any of the Loan Documents or in any  other  instrument
referred to herein or executed in connection with the Obligations shall, for any
reason,  be  held to be invalid, illegal, or unenforceable in any respect,  such
invalidity, illegality, or unenforceability shall not affect any other provision
of  any  Loan Document or of any other instrument referred to herein or executed
in connection with such Obligations.

9.8   Amendments;  Waivers.  Neither this Agreement nor any of  the  other  Loan
Documents  nor  any  terms  hereof  or thereof  may  be  amended,  supplemented,
modified,  or waived except in writing and in accordance with the provisions  of
this  Section.   The  Agent and the Borrower may, from time  to  time  with  the
written  consent  of  the  Required  Lenders,  enter  into  written  amendments,
supplements,  or modifications to the Loan Documents for the purpose  of  adding
any  provisions to this Agreement or the other Loan Documents or changing in any
manner  the  rights of the Lenders or the Borrower hereunder  or  thereunder  or
waiving,  on  such  terms  and  conditions as the  Agent  may  specify  in  such
instrument,  any  of  the  requirements of this  Agreement  or  the  other  Loan
Documents  or  any  Default or Event of Default and its consequences;  provided,
however,  that no such amendment, supplement, modification, or waiver shall  (a)
extend  the  time  of  payment of any Obligation, change the  rate  of  interest
thereon,  extend the Commitment Termination Date or Final Maturity,  reduce  any
fee  payable  for the account of the Lenders hereunder, release any  Collateral,
reduce  the amount of any Obligation, increase the Maximum L/C Commitment Amount
or  the  Maximum Term Loan Commitment Amount, change the Borrowing Base  or  any
provision applicable to the determination of the Borrowing Base, amend,  modify,
or  waive  any provision of this Section or Sections 3.2, 5.12, 5.17,  or  8.10,
change  the  percentage  specified in the definition  of  Required  Lenders,  or
consent  to the assignment or transfer by the Borrower of any of its  rights  or
obligations under this Agreement or the other Loan Documents, in any  such  case
without  the written consent of all Lenders, or (b) amend, modify, or waive  any
provision  of Article VIII or the rights or obligations of the Agent  (including
its  rights  and  obligations as issuer of the Letters of  Credit)  without  the
written consent of the Agent.  Any such amendment, supplement, modification,  or
waiver shall apply equally to each of the Lenders and shall be binding upon  the
Borrower,  the  Lenders,  and the Agent and all future  holders  of  the  Notes.
Notwithstanding the foregoing, the Agent may, provided that no Default or  Event
of  Default  exists,  release  Collateral the  value  of  which,  as  reasonably
determined  by  the Agent, in any fiscal year of the Borrower  does  not  exceed
$1,000,000.   In  the event of any waiver, the Borrower, the  Lenders,  and  the
Agent  shall  be  restored  to  their respective  former  positions  and  rights
hereunder  and  under  the other Loan Documents, and any  Default  or  Event  of
Default  waived  shall  be deemed to be cured and not continuing;  but  no  such
waiver  shall extend to any subsequent or other Default or Event of  Default  or
impair any right with respect thereto.

9.9   Controlling Agreement.  In the event of a conflict between the  provisions
of  this Agreement and those of any other Loan Document, the provisions of  this
Agreement shall control.

9.10  GOVERNING  LAW.   THIS AGREEMENT, THE NOTES, AND THE GUARANTIES  SHALL  BE
DEEMED TO BE CONTRACTS MADE UNDER AND SHALL BE CONSTRUED IN ACCORDANCE WITH  AND
GOVERNED  BY THE LAWS OF THE STATE OF TEXAS WITHOUT GIVING EFFECT TO  PRINCIPLES
THEREOF  RELATING  TO CONFLICTS OF LAW; PROVIDED, HOWEVER, THAT  VERNON'S  TEXAS
CIVIL  STATUTES,  ARTICLE  5069, CHAPTER 15 (WHICH REGULATES  CERTAIN  REVOLVING
CREDIT LOAN ACCOUNTS AND REVOLVING TRIPARTY ACCOUNTS) SHALL NOT APPLY.

9.11  JURISDICTION  AND  VENUE.   ALL ACTIONS OR PROCEEDINGS  WITH  RESPECT  TO,
ARISING  DIRECTLY OR INDIRECTLY IN CONNECTION WITH, OUT OF, RELATED TO, OR  FROM
THIS  AGREEMENT  OR  ANY  OTHER LOAN DOCUMENT MAY  BE  LITIGATED,  AT  THE  SOLE
DISCRETION AND ELECTION OF THE AGENT, IN COURTS HAVING SITUS IN HOUSTON,  HARRIS
COUNTY,  TEXAS.  THE BORROWER HEREBY SUBMITS TO THE JURISDICTION OF  ANY  LOCAL,
STATE,  OR  FEDERAL COURT LOCATED IN HOUSTON, HARRIS COUNTY, TEXAS,  AND  HEREBY
WAIVES ANY RIGHTS IT MAY HAVE TO TRANSFER OR CHANGE THE JURISDICTION OR VENUE OF
ANY  LITIGATION BROUGHT AGAINST IT BY THE AGENT OR ANY LENDER IN ACCORDANCE WITH
THIS SECTION.

9.12  WAIVER OF RIGHTS TO JURY TRIAL.  THE BORROWER, THE AGENT, AND EACH  LENDER
HEREBY  KNOWINGLY, VOLUNTARILY, INTENTIONALLY, IRREVOCABLY, AND  UNCONDITIONALLY
WAIVE ALL RIGHTS TO TRIAL BY JURY IN ANY ACTION, SUIT, PROCEEDING, COUNTERCLAIM,
OR  OTHER  LITIGATION THAT RELATES TO OR ARISES OUT OF ANY OF THIS AGREEMENT  OR
ANY  OTHER LOAN DOCUMENT OR THE ACTS OR OMISSIONS OF THE AGENT OR ANY LENDER  IN
THE ENFORCEMENT OF ANY OF THE TERMS OR PROVISIONS OF THIS AGREEMENT OR ANY OTHER
LOAN DOCUMENT OR OTHERWISE WITH RESPECT THERETO.  THE PROVISIONS OF THIS SECTION
ARE  A  MATERIAL  INDUCEMENT FOR THE AGENT AND THE LENDERS  ENTERING  INTO  THIS
AGREEMENT.

9.13  ENTIRE  AGREEMENT.   THIS  AGREEMENT AMENDS,  RESTATES  AND  REPLACES  THE
EXISTING CREDIT AGREEMENT AND CONSTITUTES THE ENTIRE AGREEMENT AMONG THE PARTIES
HERETO  WITH  RESPECT  TO  THE  SUBJECT HEREOF AND  SHALL  SUPERSEDE  ANY  PRIOR
AGREEMENT BETWEEN OR AMONG THE PARTIES HERETO, WHETHER WRITTEN OR ORAL, RELATING
TO  THE  SUBJECT  HEREOF,  INCLUDING, WITHOUT LIMITATION,  THE  EXISTING  CREDIT
AGREEMENT  AND THE CORRESPONDENCE DATED FEBRUARY 9, 1995, FROM BANK ONE  TO  THE
GUARANTOR  AND THE TERM SHEET ENCLOSED THEREWITH.  FURTHERMORE, IN THIS  REGARD,
THIS AGREEMENT AND THE OTHER WRITTEN LOAN DOCUMENTS REPRESENT, COLLECTIVELY, THE
FINAL  AGREEMENT  AMONG  THE  PARTIES THERETO AND MAY  NOT  BE  CONTRADICTED  BY
EVIDENCE  OF  PRIOR,  CONTEMPORANEOUS, OR SUBSEQUENT  ORAL  AGREEMENTS  OF  SUCH
PARTIES.  THERE ARE NO UNWRITTEN ORAL AGREEMENTS AMONG SUCH PARTIES.

9.14  Counterparts.  For the convenience of the parties, this Agreement  may  be
executed  in  multiple counterparts and by different parties hereto in  separate
counterparts, each of which when so executed shall be deemed to be an  original,
and all of which shall together constitute but one and the same agreement.

           IN  WITNESS WHEREOF, this Agreement is executed as of the date  first
above written.
 
                                       BORROWER:

                                       HOWELL CRUDE OIL COMPANY


                                       By:  /s/ Mark J. Gorman
                                            ------------------
                                            Mark J. Gorman
                                            President
Address for Notices:

Howell Crude Oil Company
1111 Fannin, Suite 1500
Houston, Texas  77002
Attention: Allyn Skelton
Telecopy:  (713) 658-4007







     (Signatures Continued on Next Page)
<PAGE>

                                 AGENT AND LENDER:

                                 BANK ONE, TEXAS, N.A.


                                 By:  /s/ Stephen M. Smith
                                      ---------------------
                                      Stephen M. Smith
                                      Vice President
Address for Notices:

Bank One, Texas, N.A.
910 Travis
Houston, Texas  77002
(or for notice by mail, to:
P.O. Box 2629
Houston, Texas 77252-2629)
Attention: Energy Group
Telecopy:  (713) 751-3544

Applicable Lending Office
for Floating Rate Loans
and LIBO Rate Loans:

910 Travis
Houston, Texas  77002



     (Signatures Continued on Next Page)
<PAGE>
                                  LENDER:

                                  BANK OF MONTREAL


                                  By:  /s/ Robert L. Roberts
                                       ---------------------
                                       Robert L. Roberts
                                       Director, U.S. Corporate Banking
Address for Notices:

Bank of Montreal
700 Louisiana, Suite 4400
Houston, Texas 77002
Attention: Robert L. Roberts
Telecopy:  (713) 223-4007

Applicable Lending Office
for Floating Rate Loans and
LIBO Rate Loans:

700 Louisiana, Suite 4400
Houston, Texas 77002


     (Signatures Continued on Next Page)

<PAGE>
                                  LENDER:

                                  COMPASS BANK-HOUSTON


                                  By:  /s/ Murray E. Brasseux
                                       ----------------------
                                       Murray E. Brasseux
Address for Notices:                   Executive Vice President

Compass Bank-Houston
24 Greenway Plaza, Suite 1401
Houston, Texas 77046
Attention: Energy Lending
Telecopy:  (713) 968-8222

Applicable Lending Office
for Floating Rate Loans and
LIBO Rate Loans:

24 Greenway Plaza, Suite 1401
Houston, Texas 77046

     (Signatures Continued on Next Page)

<PAGE>
                                  LENDER:

                                  DEN NORSKE BANK AS
 

                                  By:  /s/ Nelvin Farstad
                                       ------------------
                                       Nelvin Farstad
                                       Senior Vice President
Address for Notices: 


Den norske Bank AS
Three Allen Center               By:  /s/ Fran Meyers
333 Clay, Suite 4890                  ---------------
Houston, Texas 77002                  Fran Meyers
Attention: William V. Moyer           Vice President
Telecopy:  (713) 757-1167

Applicable Lending Office
for Floating Rate Loans and
LIBO Rate Loans:

600 Fifth Avenue
New York, New York  10020



EXHIBIT 10.4






                                    GUARANTY

                                       BY

                               HOWELL CORPORATION

                                   IN FAVOR OF

                 BANK ONE, TEXAS, NATIONAL ASSOCIATION, AS AGENT






                           Dated as of March 31, 1995





                   CREDIT FACILITY TO HOWELL CRUDE OIL COMPANY










<PAGE>
                                TABLE OF CONTENTS


                                                     Page

ARTICLE I DEFINITIONS AND INTERPRETATION               1

     1.1  Terms Defined Above                          1
     1.2  Terms Defined in Credit Agreement            2
     1.3  Additional Defined Terms                     2
     1.4  Undefined Financial Accounting Terms         3
     1.5  References.                                  3
     1.6  Articles and Sections                        3
     1.7  Number and Gender                            3

ARTICLE II     GUARANTY                                4

     2.1  Guaranty                                     4
     2.2  Absolute, Complete, and Continuing Guaranty  4
     2.3  Liability Not Impaired                       4
     2.4  Primary Liability                            4
     2.5  Security; Additional Guarantees              5
     2.6  Waivers                                      5
     2.7  Pursuit of Remedies                          5
     2.8  Status of Borrower                           5
     2.9  Independent Review; Solvency                 6
     2.10 Enforcement Costs                            6

ARTICLE III    REPRESENTATIONS AND WARRANTIES          6

     3.1  Due Authorization                            6
     3.2  Corporate Existence                          6
     3.3  Valid and Binding Obligations                7

ARTICLE IV     AFFIRMATIVE COVENANTS                   7

     4.1  Maintenance and Access to Records            7
     4.2  Notices of Certain Events                    7
     4.3  Additional Information                       8
     4.4  Maintenance of Corporate Existence and
            Good Standing                              8
     4.5  Compliance with Laws                         8
     4.6  Payment of Assessments and Charges           9
     4.7  Indemnification                              9
     4.8  Further Assurances                           10

ARTICLE V NEGATIVE COVENANTS                           10

     5.1  Indebtedness                                 10
     5.2  Contingent Obligations                       11
     5.3  Liens                                        11
     5.4  Sales of Assets                              11
     5.5  Loans or Advances                            11
     5.6  Investments                                  12
     5.7  Dividends and Distributions                  12
     5.8  Capital Expenditures                         12
     5.9  Issuance of Stock; Changes in Corporate
            Structure                                  12
     5.10 Transactions with Affiliates                 12
     5.11 Rental or Lease Agreements                   13
     5.12 Tangible Net Worth                           13
     5.13 Current Ratio                                13
     5.14 Total Debt to Capitalization Ratio           13
     5.15 Cash Flow Coverage                           13

ARTICLE VI     MISCELLANEOUS                           13

     6.1  Survival of Representations, Warranties,
            and Covenants                              13
     6.2  Notices and Other Communications             13
     6.3  Parties in Interest                          14
     6.4  Rights of Third Parties                      14
     6.5  No Waiver; Rights Cumulative                 14
     6.6  Survival Upon Unenforceability               15
     6.7  Amendments; Waivers                          15
     6.8  Review of Guaranty                           15
     6.9  Payments                                     15
     6.10 GOVERNING LAW                                15
     6.11 JURISDICTION AND VENUE                       15
     6.12 WAIVER OF RIGHTS TO JURY TRIAL               16
     6.13 ENTIRE AGREEMENT                             16

<PAGE>
                                    GUARANTY


          This GUARANTY (this "Guaranty") dated as of March 31, 1995, is by
HOWELL CORPORATION, a Delaware corporation (the "Guarantor") in favor of the
lenders signatory to the Credit Agreement (as such term is defined below) from
time to time (together with their respective successors and assigns, the
"Lenders"), and BANK ONE, TEXAS, NATIONAL ASSOCIATION, a national banking
association ("Bank One"), as Agent for the Lenders pursuant to the Credit
Agreement (in such capacity, together with its successors in such capacity
pursuant to the terms of the Credit Agreement, the "Agent").


     W I T N E S S E T H :

          WHEREAS, pursuant to the terms and conditions of the Credit Agreement
dated of even date herewith by and among Howell Crude Oil Company, a Delaware
corporation (the "Borrower"), the Agent, and the Lenders (as such agreement may
be amended, restated, or supplemented from time to time, the "Credit
Agreement"), the Lenders have agreed to extend credit to or for the benefit of
the Borrower;

          WHEREAS, the Guarantor has heretofore executed that certain Guaranty
dated February 1, 1995, in favor of Bank One (the "Prior Guaranty"),
guaranteeing all Indebtedness of the Borrower to Bank One under the Existing
Credit Agreement (as such term is defined in the Credit Agreement);

          WHEREAS, the Guarantor, as the sole shareholder of the Borrower, will
derive substantial direct and indirect benefits from the extension of credit to
the Borrower pursuant to the Credit Agreement; and

          WHEREAS, pursuant to the Credit Agreement and as an inducement to the
Lenders to extend credit to the Borrower pursuant to the Credit Agreement, the
Guarantor has agreed to execute this Guaranty in favor of the Agent for the
benefit of the Lenders;

          NOW, THEREFORE, in consideration of the premises and the mutual
covenants herein contained, the parties hereto agree that the Prior Guaranty is
hereby amended and restated in its entirety to read as follows:


                                    ARTICLE I
                         DEFINITIONS AND INTERPRETATION

         1.1   Terms Defined Above.  As used in this Guaranty, each of the terms
"Agent," "Bank One," "Borrower," "Credit Agreement," "Guarantor," "Guaranty,"
"Lenders," and "Prior Guaranty" shall have the meaning assigned to such term
hereinabove.

         1.2   Terms Defined in Credit Agreement.  Each capitalized term used
but not defined herein shall have the meaning assigned to such term in the
Credit Agreement.

         1.3   Additional Defined Terms.  As used in this Guaranty, each of the
following terms shall have the meaning assigned thereto in this Section, unless
the context otherwise requires:

          "Consolidated Cash Flow" shall mean, for any period, (a) the sum
of Consolidated Net Income for such period, Consolidated Interest Expense
for such period, and consolidated depreciation, amortization, and other non-
cash expenses for the Guarantor and the Subsidiaries for such period
deducted in the determination of Consolidated Net Income for such period,
minus (b) cash dividends paid by the Guarantor and non-cash revenues of the
Guarantor and the Subsidiaries during such period.

          "Consolidated Debt Service" shall mean, for any period, an amount
equal to the sum of Consolidated Interest Expense for such period plus
Consolidated Principal Payments for such period.

          "Consolidated Interest Expense" shall mean, for any period, the
total interest expense (including, without limitation, interest expense
attributable to capitalized leases) of the Guarantor and the Subsidiaries,
on a consolidated basis, for such period, determined in accordance with
GAAP.

          "Consolidated Net Income" shall mean, for any period, the net
income (or loss) of the Guarantor and the Subsidiaries, on a consolidated
basis, for such period, determined in accordance with GAAP.

          "Consolidated Principal Payments" shall mean, for any period, the
total amount of all mandatory payments of principal with respect to
Indebtedness of the Guarantor and the Subsidiaries, on a consolidated basis,
for such period, but excluding any principal payments by Howell Petroleum
Corporation with respect to the Obligations (as defined in the Howell
Petroleum Credit Agreement) prior to the Commitment Termination Date (as
defined in the Howell Petroleum Credit Agreement).

          "Current Assets" shall mean the sum of all assets which would, in
accordance with GAAP, be included as current assets on a consolidated
balance sheet of the Guarantor and the Subsidiaries as of the date of
calculation plus an amount equal to the Available Commitment (as such term
is defined in the Howell Petroleum Credit Agreement) as of such date.

          "Current Liabilities" shall mean all liabilities which would, in
accordance with GAAP, be included as current liabilities on a consolidated
balance sheet of the Guarantor and the Subsidiaries as of the date of
calculation other than current liabilities with respect to the Obligations
and the Obligations (as defined in the Howell Petroleum Credit Agreement).

          "Guaranteed Indebtedness" shall mean the Indebtedness and other
obligations as to which payment is guaranteed by the Guarantor hereunder
pursuant to Section 2.1.

          "Howell Petroleum Credit Agreement" shall mean the Credit
Agreement dated as of March 31, 1995, among Howell Petroleum Corporation,
Bank One, as Agent, and the lenders signatory thereto, as amended, restated,
or supplemented from time to time.

          "Subsidiaries" shall mean all Subsidiaries (as defined in the
Credit Agreement) of the Guarantor.

          "Tangible Net Worth" shall mean (a) total assets, as would, in
accordance with GAAP, be reflected on a consolidated balance sheet of the
Guarantor and the Subsidiaries, exclusive of Intellectual Property,
experimental or organization expenses, franchises, licenses, permits, and
other intangible assets, treasury stock, unamortized underwriters' debt
discount and expenses, and goodwill minus (b) total liabilities, as would,
in accordance with GAAP, be reflected on a consolidated balance sheet of the
Guarantor and the Subsidiaries.

         1.4   Undefined Financial Accounting Terms.  Undefined financial
accounting terms used in this Guaranty shall have the meanings assigned to such
terms according to GAAP.

         1.5   References. The words "hereby," "herein," "hereinabove,"
"hereinafter," "hereinbelow," "hereof," "hereunder," and words of similar import
when used in this Guaranty shall refer to this Guaranty as a whole and not to
any particular Article, Section, or provision of this Guaranty.  References in
this Guaranty to Article or Section numbers are to such Articles or Sections of
this Guaranty unless otherwise specified.

         1.6   Articles and Sections.  This Guaranty, for convenience only, has
been divided into Articles and Sections; and it is understood that the rights
and other legal relations of the parties hereto shall be determined from this
instrument as an entirety and without regard to the aforesaid division into
Articles and Sections and without regard to headings prefixed to such Articles
or Sections.

         1.7   Number and Gender.  Whenever the context requires, reference
herein made to the single number shall be understood to include the plural; and
likewise, the plural shall be understood to include the singular.  Words
denoting sex shall be construed to include the masculine, feminine and neuter,
when such construction is appropriate; and specific enumeration shall not
exclude the general but shall be construed as cumulative.  Definitions of terms
defined in the singular or plural shall be equally applicable to the plural or
singular, as the case may be, unless otherwise indicated.


                                   ARTICLE II

                                    GUARANTY

         2.1   Guaranty.  The Guarantor unconditionally guarantees to the Agent
and the Lenders the prompt payment and performance when due (whether at stated
maturity, by acceleration, or otherwise) of the Obligations.

         2.2   Absolute, Complete, and Continuing Guaranty.  This is an
absolute, complete, and continuing Guaranty; and no notice of the Obligations,
the making of any Loans, the issuance of any Letter of Credit, the making of any
Letter of Credit Payment, or any extension of credit now or hereafter contracted
by or extended to the Borrower need be given to the Guarantor.  The grant of any
Liens by the Guarantor shall not in anyway limit or be construed as limiting the
Agent to collect payment of any liability of the Guarantor incurred hereby from
the Collateral, but it is expressly understood and provided that the liability
of the Guarantor hereunder shall constitute the absolute and unconditional
obligation of the Guarantor.  The Borrower and the Lenders may, in accordance
with the terms of the Credit Agreement, rearrange, extend, and/or renew all or
any portion of the Obligations without notice to the Guarantor; and in such
event, the Guarantor shall remain fully bound hereunder for payment of the
Guaranteed Indebtedness.  The obligations of the Guarantor hereunder shall not
be released, impaired, or diminished by any amendment, modification, or
alteration of any Loan Document, except as may be expressly provided in any such
amendment, modification, or alteration.  The Guarantor shall remain liable under
this Guaranty regardless of whether the Borrower or any other guarantor be found
not liable on all or any part of the Obligations for any reason, including,
without limitation, insanity, minority, disability, bankruptcy, insolvency,
death, liquidation, or dissolution, even though rendering all or any part of the
Obligations void, unenforceable, or uncollectible as against the Borrower or any
other guarantor.  This Guaranty shall continue to be effective or shall be
reinstated, as the case may be, if at any time any payment of any of the
Guaranteed Indebtedness is rescinded or must otherwise be returned by the Agent
or any Lender upon the insolvency, bankruptcy, or reorganization of the Borrower
or otherwise, all as though such payment had not been made and will, thereupon,
guarantee payment of such amount as to which refund or restitution has been
made, together with interest accruing thereon subsequent to the date of refund
or restitution at the applicable rate under the Credit Agreement and collection
costs and fees (including, without limitation, attorneys' fees) applicable
thereto.

         2.3   Liability Not Impaired.  The liabilities and obligations of the
Guarantor hereunder shall not be affected or impaired by (a) the failure of the
Agent or any other Person to exercise diligence or reasonable care in the
preservation, protection, or other handling or treatment of all or any part of
the Collateral, (b) the failure of any Lien intended to be granted or created to
secure all or any part of the Obligations to be properly perfected or created or
the unenforceability of any Lien for any other reason, or (c) the subordination
of any such Lien to any other Lien.

         2.4   Primary Liability.  The liability of the Guarantor for the
payment of the Guaranteed Indebtedness shall be primary and not secondary.

         2.5   Security; Additional Guarantees.  The Guarantor authorizes the
Agent and the Lenders, without notice to or demand upon the Guarantor and
without affecting the liability of the Guarantor hereunder, (a) to take and hold
security voluntarily provided by any Person as security for the payment of all
or any portion of the Guaranteed Indebtedness and the other Obligations, and to
exchange, enforce, waive, and/or release any such security; (b) to apply such
security and direct the order or manner of sale thereof as the Agent or the
Lenders in their discretion may determine; and (c) to obtain a guaranty of all
or any portion of the Guaranteed Indebtedness and the other Obligations from any
one or more other Persons and to enforce, waive, rearrange, modify, limit, or
release at any time or times such other Persons from their obligations under
such guaranties, whether with or without consideration.

         2.6   Waivers.  The Guarantor waives any right to require the Agent or
any Lender to (a) proceed against the Borrower or make any effort at the
collection of the Guaranteed Indebtedness from the Borrower or any other
guarantor or Person liable for all or any part of the Guaranteed Indebtedness,
(b) proceed against or exhaust any collateral securing the Guaranteed
Indebtedness, or (c) pursue any other remedy in the power of the Agent or any
Lender.  The Guarantor further waives any and all rights and remedies of
suretyship, including, without limitation, those it may have or be able to
assert by reason of the provisions of Chapter 34 of the Texas Business and
Commerce Code.  The Guarantor waives any defense arising by reason of any
disability, lack of corporate authority or power, or other defense of the
Borrower or any other guarantor of all or any part of the Obligations.  The
Guarantor expressly waives all notices of any kind, presentment for payment,
demand for payment, protest, notice of protest, notice of intent to accelerate
maturity, notice of acceleration of maturity, dishonor, diligence, notice of any
amendment of any Loan Document, notice of any adverse change in the financial
condition of the Borrower, notice of any adjustment, indulgence, forbearance, or
compromise that might be granted or given by the Agent or any Lender to the
Borrower, and notice of acceptance of this Guaranty, acceptance on the part of
the Agent being conclusively presumed by its request for this Guaranty and the
delivery of this Guaranty to the Agent.  The liability and obligations of the
Guarantor hereunder shall not be affected or impaired by any action or inaction
by the Agent or any Lender in regard to any matter waived or notice of which is
waived by the Guarantor in this Guaranty.

         2.7   Pursuit of Remedies.  The Agent and the Lenders may pursue any
remedy without altering the obligations of the Guarantor hereunder and without
liability to the Guarantor, even though the pursuit of such remedy may result in
the loss by the Guarantor of rights of subrogation or to proceed against others
for reimbursement or contribution or any other right.

         2.8   Status of Borrower.  Should the status of the Borrower change in
any way, as a result of reorganization or dissolution, any sale, lease, or
transfer of any or all of the assets of the Borrower, any change in the
shareholders, partners, or members of the Borrower or otherwise, this Guaranty
shall continue and shall cover the Guaranteed Indebtedness under the new status.
This Section shall not, however, be construed to authorize any action by the
Borrower otherwise prohibited under the Credit Agreement or any other Loan
Document.

         2.9   Independent Review; Solvency.  The Guarantor is familiar with and
has independently reviewed the books and records regarding the financial
condition of the Borrower and is familiar with the value of any and all property
intended as Collateral; however, the Guarantor is not relying on such financial
condition or such Collateral as an inducement to enter into this Guaranty. The
Guarantor acknowledges that it is not relying on any representations (oral or
otherwise) of the Agent, any Lender or any other Person except as may be
expressly described in this Guaranty.  As of the date hereof, and after giving
effect to this Guaranty and the contingent obligations evidenced hereby, the
Guarantor is and will be solvent, and has and will have Property which, valued
fairly, exceed the obligations, debts, and liabilities of the Guarantor, and has
and will have Property in the State of Texas sufficient to satisfy, repay, and
discharge the same.  In the event of the insolvency of the Guarantor, the Agent
shall have the option to declare the Guaranteed Indebtedness immediately due and
payable from the Guarantor.

         2.10  Enforcement Costs.  If the Guaranteed Indebtedness is not paid by
the Guarantor when due, as required herein, and this Guaranty is placed in the
hands of an attorney for collection or is enforced by suit or through probate or
bankruptcy court or through any other judicial proceedings, the Guarantor shall
pay to the Agent an amount equal to the reasonable attorneys' fees and
collection costs incurred by the Agent or any Lender in the collection of the
Guaranteed Indebtedness.


                                   ARTICLE III
                                        
                         REPRESENTATIONS AND WARRANTIES

          To induce the Agent and the Lenders to enter into the Credit Agreement
and to make Loans to or for the benefit of and to issue Letters of Credit for
the account of the Borrower, the Guarantor represents and warrants to the Agent
(which representations and warranties shall survive the delivery of this
Guaranty and the other Loan Documents) that:

         3.1   Due Authorization.  The execution and delivery by the Guarantor
of this Guaranty and each other Loan Document to which the Guarantor is a party
and the performance of all obligations of the Guarantor hereunder are within the
power of the Guarantor, have been duly authorized by all necessary corporate
action, and do not and will not (a) require the consent of any Governmental
Authority, (b) contravene or conflict with any Requirement of Law, (c)
contravene or conflict with any indenture, instrument, or other agreement to
which the Guarantor is a party or by which any Property of the Guarantor may be
presently bound or encumbered, or (d) result in or require the creation or
imposition of any Lien upon any Property of the Guarantor other than as
contemplated by the Loan Documents.

         3.2   Corporate Existence.  The Guarantor is a corporation duly
organized, legally existing, and in good standing under the laws of the State of
Delaware and is duly qualified as a foreign corporation and is in good standing
in all jurisdictions wherein the ownership of Property or the operation of its
business necessitates same, other than those jurisdictions wherein the failure
to so qualify will not have a Material Adverse Effect.

         3.3   Valid and Binding Obligations.  This Guaranty and each other Loan
Document to which the Guarantor is a party, when duly executed and delivered by
the Guarantor, will be the legal, valid, and binding obligation of the
Guarantor, enforceable against the Guarantor in accordance with its terms.


                                   ARTICLE IV
                                        
                              AFFIRMATIVE COVENANTS

          Unless agreed in writing by the Agent to the contrary, the Guarantor
covenants, so long as any Obligation remains outstanding or unpaid or any
Commitment exists, to:

         4.1   Maintenance and Access to Records.  Keep adequate records, in
accordance with GAAP, of all its transactions so that at any time, and from time
to time, its true and complete financial condition may be readily determined,
and promptly following the reasonable request of the Agent or any Lender, make
such records available for inspection by the Agent or any Lender and, at the
expense of the Guarantor, allow the Agent or any Lender to make and take away
copies thereof.

         4.2   Notices of Certain Events.  Deliver to the Agent and each Lender,
promptly upon having knowledge thereof, a written statement with respect to the
occurrence of any of the following events or circumstances, signed by a
Responsible Officer of the Guarantor and setting forth the relevant event or
circumstance and the steps being taken by the Guarantor or any Subsidiary with
respect to such event or circumstance:

          (a)  any Default or Event of Default;

          (b)  any default or event of default under any contractual
obligation of the Guarantor or any Subsidiary, or any litigation,
investigation, or proceeding between the Guarantor or any Subsidiary and any
Governmental Authority which, in either case, if not cured or if adversely
determined, as the case may be, could reasonably be expected to have a
Material Adverse Effect;

          (c)  any litigation or proceeding involving the Guarantor or any
Subsidiary as a defendant or in which any Property of the Guarantor or any
Subsidiary is subject to a claim and in which the amount involved is
$1,000,000 or more and which is not covered by insurance or in which
injunctive or similar relief is sought;

          (d)  the receipt by the Guarantor or any Subsidiary of any
Environmental Complaint or any formal request from any Governmental
Authority for information (other than requirements for compliance reports)
regarding any Release of Hazardous Substances by the Guarantor or any
Subsidiary or from, affecting, or related to any Property of the Guarantor
or any Subsidiary, the effect of which could reasonably be expected to have
a Material Adverse Effect;

          (e)  any actual, proposed, or threatened testing or other
investigation by any Governmental Authority or other Person concerning the
environmental condition of, or relating to, any Property of the Guarantor or
any Subsidiary following any allegation of a violation of any Requirement of
Law, the effect of which could reasonably be expected to have a Material
Adverse Effect;

          (f)  any Release of Hazardous Substances by the Guarantor or any
Subsidiary or from, affecting, or related to any Property of the Guarantor
or any Subsidiary or the violation of any Environmental Law, or the
revocation, suspension, or forfeiture of or failure to renew, any permit,
license, registration, approval, or authorization which could reasonably be
expected to have a Material Adverse Effect;

          (g)  any Reportable Event or imminently expected Reportable Event
with respect to any Plan or any withdrawal from, or the termination,
Reorganization, or Insolvency of, any Multiemployer Plan, or the institution
of proceedings or the taking of any other action by PBGC, the Guarantor, or
any Commonly Controlled Entity or Multiemployer Plan with respect to the
withdrawal from or the termination, Reorganization, or Insolvency of, any
Single Employer Plan or Multiemployer Plan; or any Prohibited Transaction in
connection with any Plan or any trust created thereunder, the effect of
which could reasonably be expected to have a Material Adverse Effect, and
the action being taken by the Internal Revenue Service with respect thereto;
and

          (h)  any other event or condition which could reasonably be
expected to cause a Material Adverse Effect.

         4.3   Additional Information.  Furnish to the Agent and each Lender,
within five days after any material report (other than financial statements) or
other material communication is sent by the Guarantor or any Subsidiary to its
stockholders (in their capacity as stockholders) or filed by the Guarantor or
any Subsidiary with the Securities and Exchange Commission or any successor or
analogous Governmental Authority or with the Federal Energy Regulatory
Commission or the Texas Railroad Commission, copies of such report or
communication promptly upon the request of the Agent or any Lender, such
additional financial or other information concerning the assets, liabilities,
operations, and transactions of the Guarantor and the Subsidiaries as the Agent
or any Lender may from time to time request.

         4.4   Maintenance of Corporate Existence and Good Standing.  Maintain
its corporate existence or qualification and good standing in its jurisdiction
of incorporation and in all jurisdictions wherein the Property now owned or
hereafter acquired or business now or hereafter conducted necessitates same
except to the extent failure to do so would not have a Material Adverse Effect.

         4.5   Compliance with Laws.  Except to the extent the failure to comply
or cause compliance would not have a Material Adverse Effect, (a) comply with
all applicable Requirements of Law, including, without limitation, (i) the
Natural Gas Policy Act of 1978, as amended, (ii) ERISA, (iii) Environmental
Laws, and (iv) all permits, licenses, registrations, approvals, and
authorizations (A) related to any natural or environmental resource or media
located on, above, within, in the vicinity of, related to or affected by any
Property of the Guarantor, (B) required for the performance of the operations of
the Guarantor, or (C) applicable to the use, generation, handling, storage,
treatment, transport, or disposal of any Hazardous Substances; and (b) cause all
employees, crew members, agents, contractors, subcontractors, and future lessees
(pursuant to appropriate lease provisions) of the Guarantor, while such Persons
are acting within the scope of their relationship with the Guarantor, to comply
with all such Requirements of Law as may be necessary or appropriate to enable
the Guarantor to so comply.

         4.6   Payment of Assessments and Charges.  Pay all taxes, assessments,
governmental charges, rent, and other Indebtedness which, if unpaid, might
become a Lien against the Property of the Guarantor, except any of the foregoing
being contested in good faith and as to which adequate reserve in accordance
with GAAP has been established or unless failure to pay would not have a
Material Adverse Effect; and provide evidence satisfactory to the Agent of the
payment by the Guarantor of its obligations to the Department of Energy promptly
after the making of each such payment by the Guarantor.

         4.7   Indemnification.  INDEMNIFY AND HOLD THE AGENT AND EACH LENDER
AND THEIR RESPECTIVE SHAREHOLDERS, OFFICERS, DIRECTORS, EMPLOYEES, AGENTS,
ATTORNEY-IN-FACT, AND AFFILIATES AND EACH TRUSTEE FOR THE BENEFIT OF THE AGENT
OR THE LENDERS UNDER ANY SECURITY INSTRUMENT HARMLESS FROM AND AGAINST ANY AND
ALL CLAIMS, LOSSES, DAMAGES, LIABILITIES, FINES, PENALTIES, CHARGES,
ADMINISTRATIVE AND JUDICIAL PROCEEDINGS AND ORDERS, JUDGMENTS, REMEDIAL ACTIONS,
REQUIREMENTS AND ENFORCEMENT ACTIONS OF ANY KIND, AND ALL COSTS AND EXPENSES
INCURRED IN CONNECTION THEREWITH (INCLUDING, WITHOUT LIMITATION, ATTORNEYS' FEES
AND EXPENSES), ARISING DIRECTLY OR INDIRECTLY, IN WHOLE OR IN PART, FROM (A) THE
PRESENCE OF ANY HAZARDOUS SUBSTANCES ON, UNDER, OR FROM THE PROPERTY OF THE
GUARANTOR OR ANY SUBSIDIARY, WHETHER PRIOR TO OR DURING THE TERM HEREOF, (B) ANY
ACTIVITY CARRIED ON OR UNDERTAKEN ON OR OFF THE PROPERTY OF THE GUARANTOR OR ANY
SUBSIDIARY, WHETHER PRIOR TO OR DURING THE TERM HEREOF, AND WHETHER BY THE
GUARANTOR OR ANY SUBSIDIARY OR ANY PREDECESSOR IN TITLE, EMPLOYEE, AGENT,
CONTRACTOR, OR SUBCONTRACTOR OF THE GUARANTOR OR ANY SUBSIDIARY OR ANY
PREDECESSOR IN TITLE, OR ANY OTHER PERSON AT ANY TIME OCCUPYING OR PRESENT ON
SUCH PROPERTY, IN CONNECTION WITH THE HANDLING, TREATMENT, REMOVAL, STORAGE,
DECONTAMINATION, CLEANUP, TRANSPORTATION, OR DISPOSAL OF ANY HAZARDOUS
SUBSTANCES AT ANY TIME LOCATED OR PRESENT ON OR UNDER SUCH PROPERTY, (C) ANY
RESIDUAL CONTAMINATION ON OR UNDER THE PROPERTY OF THE GUARANTOR OR ANY
SUBSIDIARY, (D) ANY CONTAMINATION OF ANY PROPERTY OR NATURAL RESOURCES ARISING
IN CONNECTION WITH THE GENERATION, USE, HANDLING, STORAGE, TRANSPORTATION, OR
DISPOSAL OF ANY HAZARDOUS SUBSTANCES BY THE GUARANTOR OR ANY SUBSIDIARY OR ANY
EMPLOYEE, AGENT, CONTRACTOR, OR SUBCONTRACTOR OF THE GUARANTOR OR ANY SUBSIDIARY
WHILE SUCH PERSONS ARE ACTING WITHIN THE SCOPE OF THEIR RELATIONSHIP WITH THE
GUARANTOR OR ANY SUBSIDIARY, IRRESPECTIVE OF WHETHER ANY OF SUCH ACTIVITIES WERE
OR WILL BE UNDERTAKEN IN ACCORDANCE WITH APPLICABLE REQUIREMENTS OF LAW, OR (E)
THE PERFORMANCE AND ENFORCEMENT OF ANY LOAN DOCUMENT, ANY ALLEGATION BY ANY
BENEFICIARY OF A LETTER OF CREDIT OF A WRONGFUL DISHONOR BY THE AGENT OF A CLAIM
OR DRAFT PRESENTED THEREUNDER, OR ANY OTHER ACT OR OMISSION IN CONNECTION WITH
OR RELATED TO ANY LOAN DOCUMENT OR THE TRANSACTIONS CONTEMPLATED THEREBY,
INCLUDING, WITHOUT LIMITATION, ANY OF THE FOREGOING ARISING FROM NEGLIGENCE,
WHETHER SOLE OR CONCURRENT, ON THE PART OF THE AGENT OR ANY LENDER OR ANY OF
THEIR RESPECTIVE SHAREHOLDERS, OFFICERS, DIRECTORS, EMPLOYEES, AGENTS, 
ATTORNEYS-IN-FACT, OR AFFILIATES OR ANY TRUSTEE FOR THE BENEFIT OF THE AGENT OR 
THE LENDERS UNDER ANY SECURITY INSTRUMENT, BUT EXCLUDING ANY OF THE FOREGOING IN
THIS SECTION ARISING FROM THE GROSS NEGLIGENCE OR WILLFUL MISCONDUCT OF THE
AGENT OR ANY LENDER; WITH THE FOREGOING INDEMNITY SURVIVING SATISFACTION OF ALL
OBLIGATIONS OF THE GUARANTOR HEREUNDER AND ALL OTHER OBLIGATIONS AND THE
TERMINATION OF THIS AGREEMENT AND THE CREDIT AGREEMENT.

         4.8   Further Assurances.  Promptly cure any defects in the execution
and delivery of any of the Loan Documents executed by the Guarantor and execute,
acknowledge, and deliver such other assurances and instruments as shall, in the
opinion of the Agent, be necessary to fulfill the terms of the Loan Documents
executed by the Guarantor.


                                    ARTICLE V
                                        
                               NEGATIVE COVENANTS

          Unless agreed in writing by the Agent to the contrary, so long as any
Obligation remains outstanding or unpaid or any Commitment exists, the Guarantor
will not:

         5.1   Indebtedness.  Create, incur, assume, or suffer to exist any
Indebtedness, whether by way of loan or otherwise; provided, however, the
foregoing restriction shall not apply to (a) the Obligations, (b) accounts
payable incurred in the ordinary course of business, which are not unpaid in
excess of 120 days beyond invoice date or are being contested in good faith and
as to which such reserve as is required by GAAP has been made, (c) Subordinated
Debt, (d) crude oil, natural gas, or other hydrocarbon swap agreements, in form
and substance and with a Person acceptable to the Required Lenders, provided
that each commitment issued under any approved crude oil, natural gas, or other
hydrocarbons swap agreement must also be approved by the Required Lenders, (e)
interest rate swap or other financial hedging agreements, in form and substance
and with a Person acceptable to the Required Lenders, (f) obligations (other
than Indebtedness for borrowed money or capitalized leases and obligations to
the Department of Energy) secured by Permitted Liens, (g) currently existing
Indebtedness of the Guarantor to the Department of Energy not exceeding the
principal amount of $9,387,000, or (h) Indebtedness of the Guarantor to Paul N.
Howell not exceeding $2,250,000.

         5.2   Contingent Obligations.  Create, incur, assume, or suffer to
exist any Contingent Obligation; provided, however, the foregoing restriction
shall not apply to (a) performance guarantees, performance surety or other bonds
provided in the ordinary course of business, (b) Contingent Obligations with
respect to indemnity obligations of the Borrower and the Pipeline Subsidiaries
under or pursuant to the Purchase and Sale Agreement, (c) trade credit incurred
or operating leases entered into in the ordinary course of business, if
permitted pursuant to the other terms of this Guaranty, (d) the Obligations (as
defined in the Howell Petroleum Credit Agreement), (e) the Guaranteed
Indebtedness, (f) Contingent Obligations (other than with respect to
Indebtedness for borrowed money or capitalized leases and obligations to the
Department of Energy) secured by Permitted Liens, (g) the guaranty of the
obligations of Howell Transportation Services, Inc. owing to Associates Leasing,
Inc. in an amount not exceeding $170,000.

         5.3   Liens.  Create, incur, assume, or suffer to exist any Lien on any
of its Properties, whether now owned or hereafter acquired, or its capital
stock, or permit any Subsidiary to do so; provided, however, the foregoing
restrictions shall not apply to (a) Permitted Liens, (b) Permitted Liens as such
term is defined in the Howell Petroleum Credit Agreement, (c) Liens on Property
acquired by the Guarantor or any Subsidiary after the Closing Date and in effect
at the time of such acquisition, or (d) Liens securing the purchase price of
Property acquired by the Guarantor or any Subsidiary in the ordinary course of
business provided that such Liens cover only the acquired Property.

         5.4   Sales of Assets.  Without the prior written consent of the
Required Lenders, sell, transfer, or otherwise dispose of, in one or any series
of transactions in any 12-month period, assets, whether now owned or hereafter
acquired, or enter into any agreement to do so, or permit any Subsidiary to do
any of the foregoing in this Section; provided, however, the foregoing
restrictions shall not apply to (a) the sale of assets the aggregate book value
of which for the Guarantor and the Subsidiaries does not exceed in the aggregate
five percent (5%) of the net worth of the Guarantor, (b) the sale of
hydrocarbons or inventory in the ordinary course of business provided that no
contract for the sale of hydrocarbons shall obligate the Guarantor to deliver
hydrocarbons at some future date without receiving full payment therefor within
90 days of delivery, (c) the sale of crude oil by the Borrower and the Pipeline
Subsidiaries pursuant to forward sales agreements, or (d) the sale or other
disposition of Property destroyed, lost, worn out, damaged, or having only
salvage value or no longer used or useful in the business of the Guarantor or
any Subsidiary.

         5.5   Loans or Advances.  Make or agree to make any loans or advances
to any Person; provided, however, the foregoing restrictions shall not apply to
(a) advances or extensions of credit in the form of accounts receivable incurred
in the ordinary course of business and upon terms common in the industry for
such accounts receivable, (b) advances to employees for the payment of expenses
in the ordinary course of business, or (c) so long as no Default or Event of
Default exists, loans or advances to any Subsidiary.

         5.6   Investments.  Acquire Investments in, or purchase or otherwise
acquire all or substantially all of the assets of, any Person, or permit any
Subsidiary to do so; provided, however, the foregoing restriction shall not
apply to the purchase or acquisition of (a) Oil and Gas Properties (as such term
is defined in the Howell Petroleum Credit Agreement), (b) the Pipeline
Properties, (c) Investments in the form of (i) debt securities issued or
directly and fully guaranteed or insured by the United States Government or any
agency or instrumentality thereof, with maturities of no more than one year,
(ii) commercial paper of a domestic issuer rated at the date of acquisition at
least P-2 by Moody's Investor Service, Inc. or A-2 by Standard & Poor's
Corporation and with maturities of no more than one year from the date of
acquisition, or (iii) repurchase agreements covering debt securities or
commercial paper of the type permitted in this Section, certificates of deposit,
demand deposits, eurodollar time deposits, overnight bank deposits, and bankers'
acceptances, with maturities of no more than one year from the date of
acquisition, issued by or acquired from or through the Agent, any Lender, or any
bank or trust company organized under the laws of the United States or any state
thereof and having capital surplus and undivided profits aggregating at least
$100,000,000, (d) other short-term Investments similar in nature and degree of
risk to those described in clause (c) of this Section, (e) money-market funds,
or (f) capital expenditures for Howell Hydrocarbons & Chemicals, Inc. permitted
by Section 5.8.

         5.7   Dividends and Distributions.  Declare, pay, or make, whether in
cash or other Property, any dividend or distribution on, or purchase, redeem, or
otherwise acquire for value, any share of any class of its capital stock at any
time that a Default or Event of Default exists or will occur as the result of
the payment of such dividend or distribution.

         5.8   Capital Expenditures.  Make capital expenditures in any fiscal
year on behalf of Howell Hydrocarbons & Chemicals, Inc. ("Howell Hydrocarbons"),
or permit Howell Hydrocarbons to do so, in excess of (a) the net income
(exclusive of any non-cash income) of Howell Hydrocarbons for such fiscal year
as determined in accordance with GAAP plus (b) depreciation, amortization, and
other non-cash expenses for such period deducted in the determination of net
income for such period.

         5.9   Issuance of Stock; Changes in Corporate Structure.  Issue or
agree to issue additional shares of capital stock, in one or any series of
transactions for any consideration other than cash; enter into any transaction
of consolidation, merger, or amalgamation; or liquidate, wind up, or dissolve
(or suffer any liquidation or dissolution); or permit any Subsidiary to do any
of the foregoing in this Section.

         5.10  Transactions with Affiliates.  Directly or indirectly, enter into
any material transaction (including the sale, lease, or exchange of Property or
the rendering of service) with any of its Affiliates, other than upon fair and
reasonable terms no less favorable than could be obtained in an arm's length
transaction with a Person which was not an Affiliate, or permit any Subsidiary
to do so.

         5.11  Rental or Lease Agreements.  Enter into any contract to rent or
lease as lessee any Properties, real or personal, or permit any Subsidiary to do
so; provided, however, the foregoing restrictions shall not apply to (a) leases
in effect as of the Closing Date and renewals and extensions thereof under terms
and conditions not materially different from those in effect as of the Closing
Date, (b) oil, gas, and mineral leases, (c) leases by the Borrower and the
Pipeline Subsidiaries of operating tankage at Webster, Texas, from Exxon
Pipeline Company (or its affiliate), the rental or lease payments for which in
any calendar or fiscal year do not exceed $237,600, or (d) other operating
leases the rental and lease payments under which in any calendar or fiscal year
do not exceed $500,000 in the aggregate for all such leases of the Guarantor and
the Subsidiaries.

         5.12  Tangible Net Worth.  Permit Tangible Net Worth to be less than
$65,250,000 plus (a) 50% of positive Consolidated Net Income for all fiscal
quarters ending subsequent to December 31, 1994, and (b) 70% of any increase in
net worth of the Guarantor resulting from the sale or issuance of capital stock
after December 31, 1994; provided, however, in the event Howell Petroleum
Corporation is required by GAAP to write down the carrying value of its Oil and
Gas Properties (as such term is defined in the Howell Petroleum Credit
Agreement) as a result of lower prices for hydrocarbons, the required level of
Tangible Net Worth shall be reduced by the amount of such write down but not
more than $5,000,000 in the aggregate for all such write downs.

         5.13  Current Ratio. Permit the ratio of Current Assets to Current
Liabilities to be less than 1.0 to 1.0 at any time.

         5.14  Total Debt to Capitalization Ratio.  Permit the ratio of Total
Debt to Capitalization to be greater than .65 to 1.0 at any time prior to
December 31, 1995, or greater than .6 to 1.0 on or subsequent to December 31,
1995.

         5.15  Cash Flow Coverage.  Permit, as of the close of any fiscal
quarter, the ratio of (a) Consolidated Cash Flow for the preceding four fiscal
quarters to (b) Consolidated Debt Service for such quarters to be less than 1.75
to 1.0.

                                   ARTICLE VI
                                        
                                  MISCELLANEOUS

         6.1   Survival of Representations, Warranties, and Covenants.  All
representations and warranties of the Guarantor and all covenants and agreements
herein made shall survive the making of the Loans and the issuance of the
Letters of Credit and shall remain in force and effect so long as any Obligation
is outstanding or any Commitment exists.

         6.2   Notices and Other Communications.  Except as to verbal notices
expressly authorized herein, which verbal notices shall be confirmed in writing,
all notices, requests, and communications hereunder shall be in writing
(including by telecopy).  Unless otherwise expressly provided herein, any such
notice, request, demand, or other communication shall be deemed to have been
duly given or made when delivered by hand, or, in the case of delivery by mail,
two Business Days after deposited in the mail, certified mail, return receipt
requested, postage prepaid, or, in the case of telecopy notice, when receipt
thereof is acknowledged orally or by written confirmation report, addressed as
follows:

          (a)  if to the Agent or any Lender, to:

               Bank One, Texas, National Association
               910 Travis
               Houston, Texas 77002
               Attention:  Energy Group
               (or for notice by mail, to:
               P. O. Box 2629
               Houston, Texas 77252-2629
               Attention: Energy Group)
               Telecopy:  (713) 751-3544

          (b)  if to the Guarantor, to:

               Howell Corporation
               1111 Fannin, Suite 1500
               Houston, Texas 77002
               Attention:  Allyn Skelton
               Telecopy:  (713) 658-4007

          Any party may, by proper written notice hereunder to the others,
change the individuals or addresses to which such notices to it shall thereafter
be sent.

         6.3   Parties in Interest.  Subject to any applicable restrictions
contained herein, all covenants and agreements herein contained by or on behalf
of the Guarantor or the Agent shall be binding upon and inure to the benefit of
the Guarantor, the Agent, or the Lenders, as the case may be, and their
respective legal representatives, successors, and assigns.

         6.4   Rights of Third Parties.  All provisions herein are imposed
solely and exclusively for the benefit of the Guarantor, the Agent and the
Lenders and their successors and assigns.  No other Person shall have any right,
benefit, priority, or interest hereunder or as a result hereof or have standing
to require satisfaction of provisions hereof in accordance with their terms.

         6.5   No Waiver; Rights Cumulative.  No course of dealing on the part
of the Agent or any Lender, their officers or employees, nor any failure or
delay by the Agent or any Lender with respect to exercising any of its rights
under any Loan Document shall operate as a waiver thereof.  The rights of the
Agent and the Lenders under the Loan Documents shall be cumulative and the
exercise or partial exercise of any such right shall not preclude the exercise
of any other right.

         6.6   Survival Upon Unenforceability.  In the event any one or more of
the provisions contained in any of the Loan Documents or in any other instrument
referred to herein or executed in connection with the Guaranteed Indebtedness or
the Obligations shall, for any reason, be held to be invalid, illegal, or
unenforceable in any respect, such invalidity, illegality, or unenforceability
shall not affect any other provision of any Loan Document or of any other
instrument referred to herein or executed in connection with such Guaranteed
Indebtedness or the Obligations.

         6.7   Amendments; Waivers.  Neither this Guaranty nor any provision
hereof may be amended, waived, discharged, or terminated orally, but only by an
instrument in writing signed by the party against whom enforcement of the
amendment, waiver, discharge, or termination is sought.

         6.8   Review of Guaranty.  This Guaranty was reviewed by the Guarantor,
and the Guarantor acknowledges and agrees that it understands fully all of the
terms of this Guaranty and the consequences and implications of its execution of
this Guaranty and has been afforded an opportunity to have this Guaranty
reviewed by an attorney and such other Persons as desired and to discuss the
terms, consequences, and implications of this Guaranty with such attorney and
other Persons.

         6.9   Payments.  All amounts becoming payable by the Guarantor under
this Guaranty shall be payable to the Agent at the address of the Agent set
forth hereinabove.

         6.10  GOVERNING LAW.  THIS GUARANTY SHALL BE DEEMED TO BE A CONTRACT
MADE UNDER AND SHALL BE CONSTRUED IN ACCORDANCE WITH AND GOVERNED BY THE LAWS OF
THE STATE OF TEXAS WITHOUT GIVING EFFECT TO PRINCIPLES THEREOF RELATING TO
CONFLICTS OF LAW, PROVIDED, HOWEVER, THAT VERNON'S TEXAS CIVIL STATUTES,
ARTICLE 5069, CHAPTER 15 (WHICH REGULATES CERTAIN REVOLVING CREDIT LOAN ACCOUNTS
AND REVOLVING TRI-PARTY ACCOUNTS) SHALL NOT APPLY.

         6.11  JURISDICTION AND VENUE.  ALL ACTIONS OR PROCEEDINGS WITH RESPECT
TO, ARISING DIRECTLY OR INDIRECTLY IN CONNECTION WITH, OUT OF, RELATED TO, OR
FROM THIS GUARANTY OR ANY OTHER LOAN DOCUMENT TO WHICH THE GUARANTOR IS A PARTY
MAY BE LITIGATED, AT THE SOLE DISCRETION AND ELECTION OF THE AGENT, IN COURTS
HAVING SITUS IN HOUSTON, HARRIS COUNTY, TEXAS.  THE GUARANTOR HEREBY SUBMITS TO
THE JURISDICTION OF ANY LOCAL, STATE, OR FEDERAL COURT LOCATED IN HOUSTON,
HARRIS COUNTY, TEXAS, AND HEREBY WAIVES ANY RIGHTS IT MAY HAVE TO TRANSFER OR
CHANGE THE JURISDICTION OR VENUE OF ANY LITIGATION BROUGHT AGAINST IT BY THE
AGENT OR ANY LENDER IN ACCORDANCE WITH THIS SECTION.

         6.12  WAIVER OF RIGHTS TO JURY TRIAL.  THE GUARANTOR, THE AGENT, AND
EACH LENDER HEREBY KNOWINGLY, VOLUNTARILY, INTENTIONALLY, IRREVOCABLY, AND
UNCONDITIONALLY WAIVE ALL RIGHTS TO TRIAL BY JURY IN ANY ACTION, SUIT,
PROCEEDING, COUNTERCLAIM, OR OTHER LITIGATION THAT RELATES TO OR ARISES OUT OF
ANY OF THIS GUARANTY OR ANY OTHER LOAN DOCUMENT OR THE ACTS OR OMISSIONS OF THE
AGENT OR ANY  LENDER IN THE ENFORCEMENT OF ANY OF THE TERMS OR PROVISIONS OF
THIS GUARANTY OR ANY OTHER LOAN DOCUMENT OR OTHERWISE WITH RESPECT THERETO.  THE
PROVISIONS OF THIS SECTION ARE A MATERIAL INDUCEMENT FOR THE AGENT AND THE
LENDERS ENTERING INTO THE CREDIT AGREEMENT.

         6.13  ENTIRE AGREEMENT.  THIS GUARANTY AMENDS, RESTATES AND REPLACES
THE PRIOR GUARANTY AND CONSTITUTES THE ENTIRE AGREEMENT BETWEEN THE PARTIES
HERETO WITH RESPECT TO THE SUBJECT HEREOF AND SHALL SUPERSEDE ANY PRIOR
AGREEMENTS, WHETHER WRITTEN OR ORAL, BETWEEN THE PARTIES HERETO RELATING TO THE
SUBJECT HEREOF, INCLUDING, WITHOUT LIMITATION, THE PRIOR GUARANTY AND THE
CORRESPONDENCE DATED FEBRUARY 9, 1995, FROM BANK ONE TO THE GUARANTOR AND THE
TERM SHEET ENCLOSED THEREWITH.  FURTHERMORE, IN THIS REGARD, THIS GUARANTY AND
THE OTHER WRITTEN LOAN DOCUMENTS REPRESENT, COLLECTIVELY, THE FINAL AGREEMENT
AMONG THE PARTIES THERETO AND MAY NOT BE CONTRADICTED BY EVIDENCE OF PRIOR,
CONTEMPORANEOUS, OR SUBSEQUENT ORAL AGREEMENTS OF SUCH PARTIES.  THERE ARE NO
UNWRITTEN ORAL AGREEMENTS AMONG SUCH PARTIES.

          IN WITNESS WHEREOF, this Guaranty is executed as of the date first
above written.

                              HOWELL CORPORATION


                              By: /s/ Paul W. Funkhouser
                                  ---------------------
                                  Paul W. Funkhouser
                                  President


                              BANK ONE, TEXAS, NATIONAL ASSOCIATION, AS AGENT


                              By: /s/ Stephen M. Smith
                                  -------------------
                                  Stephen M. Smith
                                  Vice President




EXHIBIT 10.5






                                    GUARANTY

                                       BY

                           HOWELL PIPELINE TEXAS, INC.

                                   IN FAVOR OF

                 BANK ONE, TEXAS, NATIONAL ASSOCIATION, AS AGENT






                           Dated as of March 31, 1995





                   CREDIT FACILITY TO HOWELL CRUDE OIL COMPANY











<PAGE>
                                TABLE OF CONTENTS


                                                      Page

ARTICLE I DEFINITIONS AND INTERPRETATION               1

     1.1  Terms Defined Above                          1
     1.2  Terms Defined in Credit Agreement            1
     1.3  Additional Defined Term                      1
     1.4  Undefined Financial Accounting Terms         2
     1.5  References.                                  2
     1.6  Articles and Sections                        2
     1.7  Number and Gender                            2

ARTICLE II     GUARANTY                                2

     2.1  Guaranty                                     2
     2.2  Absolute, Complete, and Continuing Guaranty  2
     2.3  Liability Not Impaired                       3
     2.4  Primary Liability                            3
     2.5  Security; Additional Guarantees              3
     2.6  Waivers                                      3
     2.7  Pursuit of Remedies                          4
     2.8  Status of Borrower                           4
     2.9  Independent Review; Solvency                 4
     2.10 Enforcement Costs                            4

ARTICLE III    REPRESENTATIONS AND WARRANTIES          5

     3.1  Due Authorization                            5
     3.2  Corporate Existence; Capitalization          5
     3.3  Valid and Binding Obligations                5

ARTICLE IV     AFFIRMATIVE COVENANTS                   5

     4.1  Maintenance and Access to Records            5
     4.2  Notices of Certain Events                    6
     4.3  Additional Information                       7
     4.4  Maintenance of Corporate Existence and Good
           Standing                                    7
     4.5  Compliance with Laws                         7
     4.6  Payment of Assessments and Charges           7
     4.7  Indemnification                              7
     4.8  Operation of Pipeline Properties             9
     4.9  Maintenance and Inspection of Properties     9
     4.10 Maintenance of Insurance                     9
     4.11 Further Assurances                           9

ARTICLE V NEGATIVE COVENANTS                           9

     5.1  Indebtedness                                 9
     5.2  Contingent Obligations                       10
     5.3  Liens                                        10
     5.4  Sales of Assets                              10
     5.5  Loans or Advances                            10
     5.6  Investments                                  10
     5.7  Issuance of Stock; Changes in Corporate
           Structure                                   11
     5.8  Transactions with Affiliates                 11
     5.9  Lines of Business                            11
     5.10 Rental or Lease Agreements                   11
     5.11 ERISA Compliance                             11
     5.12 Futures Contracts                            12

ARTICLE VI     MISCELLANEOUS                           12

     6.1  Survival of Representations, Warranties, and
           Covenants                                   12
     6.2  Notices and Other Communications             12
     6.3  Parties in Interest                          13
     6.4  Rights of Third Parties                      13
     6.5  No Waiver; Rights Cumulative                 13
     6.6  Survival Upon Unenforceability               13
     6.7  Amendments; Waivers                          13
     6.8  Review of Guaranty                           13
     6.9  Payments                                     13
     6.10 GOVERNING LAW                                13
     6.11 JURISDICTION AND VENUE                       14
     6.12 WAIVER OF RIGHTS TO JURY TRIAL               14
     6.13 ENTIRE AGREEMENT                             14

<PAGE>
                                    GUARANTY


          This GUARANTY dated as of March 31, 1995, is by HOWELL PIPELINE TEXAS,
INC., a Delaware corporation (the "Guarantor"), in favor of the lenders
signatory to the Credit Agreement (as such term is defined below) from time to
time (together with their respective successors and assigns, the "Lenders"), and
BANK ONE, TEXAS, NATIONAL ASSOCIATION, a national banking association ("Bank
One"), as Agent for the Lenders pursuant to the Credit Agreement (in such
capacity, together with its successors in such capacity pursuant to the terms of
the Credit Agreement, the "Agent").


     W I T N E S S E T H :

          WHEREAS, pursuant to the terms and conditions of the Credit Agreement
dated of even date herewith by and among Howell Crude Oil Company, a Delaware
corporation (the "Borrower"), the Agent, and the Lenders (as such agreement may
be amended, restated, or supplemented from time to time, the "Credit
Agreement"), the Lenders have agreed to extend credit to or for the benefit of
the Borrower;

          WHEREAS, the Guarantor, as a wholly-owned subsidiary of the Borrower,
will derive substantial direct and indirect benefits from the extension of
credit to the Borrower pursuant to the Credit Agreement; and

          WHEREAS, pursuant to the Credit Agreement and as an inducement to the
Lenders to extend credit to the Borrower pursuant to the Credit Agreement, the
Guarantor has agreed to execute this Guaranty in favor of the Agent for the
benefit of the Lenders;

          NOW, THEREFORE, in consideration of the premises and the mutual
covenants herein contained, the parties hereto agree as follows:


                                 ARTICLE 1
                        DEFINITIONS AND INTERPRETATION

1.1  Terms Defined Above.  As used in this Guaranty, each of the terms "Agent,"
"Bank One," "Borrower," "Credit Agreement," "Guarantor," and "Lenders" shall
have the meaning assigned to such term hereinabove.

1.2  Terms Defined in Credit Agreement.  Each capitalized term used but not
defined herein shall have the meaning assigned to such term in the Credit
Agreement.

1.3  Additional Defined Term.  As used in this Guaranty, the term "Guaranteed
Indebtedness" shall mean the Indebtedness and other obligations as to which
payment is guaranteed by the Guarantor hereunder pursuant to Section 2.1.

1.4  Undefined Financial Accounting Terms.  Undefined financial accounting terms
used in this Guaranty shall have the meanings assigned to such terms according
to GAAP.

1.5  References.  The words "hereby," "herein," "hereinabove," "hereinafter,"
"hereinbelow," "hereof," "hereunder," and words of similar import when used in
this Guaranty shall refer to this Guaranty as a whole and not to any particular
Article, Section, or provision of this Guaranty.  References in this Guaranty to
Article or Section numbers are to such Articles or Sections of this Guaranty
unless otherwise specified.

1.6  Articles and Sections.  This Guaranty, for convenience only, has been
divided into Articles and Sections; and it is understood that the rights and
other legal relations of the parties hereto shall be determined from this
instrument as an entirety and without regard to the aforesaid division into
Articles and Sections and without regard to headings prefixed to such Articles
or Sections.

1.7  Number and Gender.  Whenever the context requires, reference herein made to
the single number shall be understood to include the plural; and likewise, the
plural shall be understood to include the singular.  Words denoting sex shall be
construed to include the masculine, feminine and neuter, when such construction
is appropriate; and specific enumeration shall not exclude the general but shall
be construed as cumulative.  Definitions of terms defined in the singular or
plural shall be equally applicable to the plural or singular, as the case may
be, unless otherwise indicated.


                               ARTICLE II
                                GUARANTY

2.1  Guaranty.  The Guarantor unconditionally guarantees to the Agent and the
Lenders the prompt payment and performance when due (whether at stated maturity,
by acceleration, or otherwise) of the Obligations.

2.2  Absolute, Complete, and Continuing Guaranty.  This is an absolute,
complete, and continuing Guaranty; and no notice of the Obligations, the making
of any Loans, the issuance of any Letter of Credit, the making of any Letter of
Credit Payment, or any extension of credit now or hereafter contracted by or
extended to the Borrower need be given to the Guarantor.  The grant of any Liens
by the Guarantor shall not in anyway limit or be construed as limiting the Agent
to collect payment of any liability of the Guarantor incurred hereby from the
Collateral, but it is expressly understood and provided that the liability of
the Guarantor hereunder shall constitute the absolute and unconditional
obligation of the Guarantor.  The Borrower and the Lenders may, in accordance
with the terms of the Credit Agreement, rearrange, extend, and/or renew all or
any portion of the Obligations without notice to the Guarantor; and in such
event, the Guarantor shall remain fully bound hereunder for payment of the
Guaranteed Indebtedness.  The obligations of the Guarantor hereunder shall not
be released, impaired, or diminished by any amendment, modification, or
alteration of any Loan Document, except as may be expressly provided in any such
amendment, modification, or alteration.  The Guarantor shall remain liable under
this Guaranty regardless of whether the Borrower or any other guarantor be found
not liable on all or any part of the Obligations for any reason, including,
without limitation, insanity, minority, disability, bankruptcy, insolvency,
death, liquidation, or dissolution, even though rendering all or any part of the
Obligations void, unenforceable, or uncollectible as against the Borrower or any
other guarantor.  This Guaranty shall continue to be effective or shall be
reinstated, as the case may be, if at any time any payment of any of the
Guaranteed Indebtedness is rescinded or must otherwise be returned by the Agent
or any Lender upon the insolvency, bankruptcy, or reorganization of the Borrower
or otherwise, all as though such payment had not been made and will, thereupon,
guarantee payment of such amount as to which refund or restitution has been
made, together with interest accruing thereon subsequent to the date of refund
or restitution at the applicable rate under the Credit Agreement and collection
costs and fees (including, without limitation, attorneys' fees) applicable
thereto.

2.3  Liability Not Impaired.  The liabilities and obligations of the Guarantor
hereunder shall not be affected or impaired by (a) the failure of the Agent or
any other Person to exercise diligence or reasonable care in the preservation,
protection, or other handling or treatment of all or any part of the Collateral,
(b) the failure of any Lien intended to be granted or created to secure all or
any part of the Obligations to be properly perfected or created or the
unenforceability of any Lien for any other reason, or (c) the subordination of
any such Lien to any other Lien.

2.4  Primary Liability.  The liability of the Guarantor for the payment of the
Guaranteed Indebtedness shall be primary and not secondary.

2.5  Security; Additional Guarantees.  The Guarantor authorizes the Agent and
the Lenders, without notice to or demand upon the Guarantor and without
affecting the liability of the Guarantor hereunder, (a) to take and hold
security voluntarily provided by any Person as security for the payment of all
or any portion of the Guaranteed Indebtedness and the other Obligations, and to
exchange, enforce, waive, and/or release any such security; (b) to apply such
security and direct the order or manner of sale thereof as the Agent or the
Lenders in their discretion may determine; and (c) to obtain a guaranty of all
or any portion of the Guaranteed Indebtedness and the other Obligations from any
one or more other Persons and to enforce, waive, rearrange, modify, limit, or
release at any time or times such other Persons from their obligations under
such guaranties, whether with or without consideration.

2.6  Waivers.  The Guarantor waives any right to require the Agent or any Lender
to (a) proceed against the Borrower or make any effort at the collection of the
Guaranteed Indebtedness from the Borrower or any other guarantor or Person
liable for all or any part of the Guaranteed Indebtedness, (b) proceed against
or exhaust any collateral securing the Guaranteed Indebtedness, or (c) pursue
any other remedy in the power of the Agent or any Lender.  The Guarantor further
waives any and all rights and remedies of suretyship, including, without
limitation, those it may have or be able to assert by reason of the provisions
of Chapter 34 of the Texas Business and Commerce Code.  The Guarantor waives any
defense arising by reason of any disability, lack of corporate authority or
power, or other defense of the Borrower or any other guarantor of all or any
part of the Obligations.  The Guarantor expressly waives all notices of any
kind, presentment for payment, demand for payment, protest, notice of protest,
notice of intent to accelerate maturity, notice of acceleration of maturity,
dishonor, diligence, notice of any amendment of any Loan Document, notice of any
adverse change in the financial condition of the Borrower, notice of any
adjustment, indulgence, forbearance, or compromise that might be granted or
given by the Agent or any Lender to the Borrower, and notice of acceptance of
this Guaranty, acceptance on the part of the Agent being conclusively presumed
by its request for this Guaranty and the delivery of this Guaranty to the Agent.
The liability and obligations of the Guarantor hereunder shall not be affected
or impaired by any action or inaction by the Agent or any Lender in regard to
any matter waived or notice of which is waived by the Guarantor in this
Guaranty.

2.7  Pursuit of Remedies.  The Agent and the Lenders may pursue any remedy
without altering the obligations of the Guarantor hereunder and without
liability to the Guarantor, even though the pursuit of such remedy may result in
the loss by the Guarantor of rights of subrogation or to proceed against others
for reimbursement or contribution or any other right.

2.8  Status of Borrower.  Should the status of the Borrower change in any way,
as a result of reorganization or dissolution, any sale, lease, or transfer of
any or all of the assets of the Borrower, any change in the shareholders,
partners, or members of the Borrower or otherwise, this Guaranty shall continue
and shall cover the Guaranteed Indebtedness under the new status.  This Section
shall not, however, be construed to authorize any action by the Borrower
otherwise prohibited under the Credit Agreement or any other Loan Document.

2.9  Independent Review; Solvency.  The Guarantor is familiar with and has
independently reviewed the books and records regarding the financial condition
of the Borrower and is familiar with the value of any and all property intended
as Collateral; however, the Guarantor is not relying on such financial condition
or such Collateral as an inducement to enter into this Guaranty. The Guarantor
acknowledges that it is not relying on any representations (oral or otherwise)
of the Agent, any Lender or any other Person except as may be expressly
described in this Guaranty.  As of the date hereof, and after giving effect to
this Guaranty and the contingent obligations evidenced hereby, the Guarantor is
and will be solvent, and has and will have Property which, valued fairly, exceed
the obligations, debts, and liabilities of the Guarantor, and has and will have
Property in the State of Texas sufficient to satisfy, repay, and discharge the
same.  In the event of the insolvency of the Guarantor, the Agent shall have the
option to declare the Guaranteed Indebtedness immediately due and payable from
the Guarantor.

2.10 Enforcement Costs.  If the Guaranteed Indebtedness is not paid by the
Guarantor when due, as required herein, and this Guaranty is placed in the hands
of an attorney for collection or is enforced by suit or through probate or
bankruptcy court or through any other judicial proceedings, the Guarantor shall
pay to the Agent an amount equal to the reasonable attorneys' fees and
collection costs incurred by the Agent or any Lender in the collection of the
Guaranteed Indebtedness.


                               ARTICLE III
                      REPRESENTATIONS AND WARRANTIES

          To induce the Agent and the Lenders to enter into the Credit Agreement
and to make Loans to or for the benefit of and to issue Letters of Credit for
the account of the Borrower, the Guarantor represents and warrants to the Agent
(which representations and warranties shall survive the delivery of this
Guaranty and the other Loan Documents) that:

3.1  Due Authorization.  The execution and delivery by the Guarantor of this
Guaranty and each other Loan Document to which the Guarantor is a party and the
performance of all obligations of the Guarantor hereunder and thereunder are
within the power of the Guarantor, have been duly authorized by all necessary
corporate action, and do not and will not (a) require the consent of any
Governmental Authority, (b) contravene or conflict with any Requirement of Law,
(c) contravene or conflict with any indenture, instrument, or other agreement to
which the Guarantor is a party or by which any Property of the Guarantor may be
presently bound or encumbered, or (d) result in or require the creation or
imposition of any Lien upon any Property of the Guarantor other than as
contemplated by the Loan Documents.

3.2  Corporate Existence; Capitalization.  The Guarantor is a corporation duly
organized, legally existing, and in good standing under the laws of the State of
Delaware and is duly qualified as a foreign corporation and is in good standing
in the State of Texas and all other jurisdictions wherein the ownership of
Property or the operation of its business necessitates same, other than those
jurisdictions wherein the failure to so qualify will not have a Material Adverse
Effect.  On or before the Closing Date, the Guarantor has received capital
contributions of not less than $4,000,000.

3.3  Valid and Binding Obligations.  This Guaranty and each other Loan Document
to which the Guarantor is a party, when duly executed and delivered by the
Guarantor, will be the legal, valid, and binding obligation of the Guarantor,
enforceable against the Guarantor in accordance with its terms.


                               ARTICLE IV
                         AFFIRMATIVE COVENANTS

          Unless agreed in writing by the Agent to the contrary, the Guarantor
covenants, so long as any Obligation remains outstanding or unpaid or any
Commitment exists, to:

4.1  Maintenance and Access to Records.  Keep adequate records, in accordance
with GAAP, of all its transactions so that at any time, and from time to time,
its true and complete financial condition may be readily determined, and
promptly following the reasonable request of the Agent or any Lender, make such
records available for inspection by the Agent or any Lender and, at the expense
of the Guarantor, allow the Agent or any Lender to make and take away copies
thereof.

4.2  Notices of Certain Events.  Deliver to the Agent and each Lender, promptly
upon having knowledge thereof, a written statement with respect to the
occurrence of any of the following events or circumstances, signed by a
Responsible Officer of the Guarantor and setting forth the relevant event or
circumstance and the steps being taken by the Guarantor with respect to such
event or circumstance:

     (a)  any Default or Event of Default;

     (b)  any default or event of default under any contractual obligation of 
the Guarantor, or any litigation, investigation, or proceeding between the 
Guarantor and any Governmental Authority which, in either case, if not cured or
if adversely determined, as the case may be, could reasonably be expected to 
have a Material Adverse Effect;

     (c) any litigation or proceeding involving the Guarantor as a defendant or
in which any Property of the Guarantor is subject to a claim and in which the
amount involved is $1,000,000 or more and which is not covered by insurance or
in which injunctive or similar relief is sought;

     (d) the receipt by the Guarantor of any Environmental Complaint or any 
formal request from any Governmental Authority for information (other than 
requirements for compliance reports) regarding any Release of Hazardous 
Substances by the Guarantor or from, affecting, or related to any Property of 
the Guarantor, the effect of which could reasonably be expected to have a 
Material Adverse Effect;

     (e) any actual, proposed, or threatened testing or other investigation by 
any Governmental Authority or other Person concerning the environmental 
condition of, or relating to, any Property of the Guarantor following any 
allegation of a violation of any Requirement of Law, the effect of which could
reasonably be expected to have a Material Adverse Effect;

     (f) any Release of Hazardous Substances by the Guarantor or from, 
affecting, or related to any Property of the Guarantor or the violation of any 
Environmental Law, or the revocation, suspension, or forfeiture of or failure to
renew, any permit, license, registration, approval, or authorization which could
reasonably be expected to have a Material Adverse Effect;

     (g) any Reportable Event or imminently expected Reportable Event with 
respect to any Plan or any withdrawal from, or the termination, Reorganization,
or Insolvency of, any Multiemployer Plan, or the institution of proceedings or 
the taking of any other action by PBGC, the Guarantor, or any Commonly 
Controlled Entity or Multiemployer Plan with respect to the withdrawal from or 
the termination, Reorganization, or Insolvency of, any Single Employer Plan or
Multiemployer Plan; or any Prohibited Transaction in connection with any Plan or
any trust created thereunder, the effect of which could reasonably be expected
to have a Material Adverse Effect, and the action being taken by the Internal
Revenue Service with respect thereto; and

     (h) any other event or condition which could reasonably be expected to 
cause a Material Adverse Effect.

4.3  Additional Information.  Furnish to the Agent and each Lender, within five
days after any material report (other than financial statements) or other
communication is sent by the Guarantor to its stockholders (in their capacity as
stockholders) or filed by the Guarantor with the Securities and Exchange
Commission or any successor or analogous Governmental Authority or with the
Federal Energy Regulatory Commission or the Texas Railroad Commission, copies of
such report or communication promptly upon the request of the Agent or any
Lender, such additional financial or other information concerning the assets,
liabilities, operations, and transactions of the Guarantor as the Agent or any
Lender may from time to time request.

4.4  Maintenance of Corporate Existence and Good Standing.  Maintain its
corporate existence or qualification and good standing in its jurisdiction of
incorporation and in all jurisdictions wherein the Property now owned or
hereafter acquired or business now or hereafter conducted necessitates same
except to the extent failure to do so would not have a Material Adverse Effect.

4.5  Compliance with Laws.  Except to the extent the failure to comply or cause
compliance would not have a Material Adverse Effect, (a) comply with all
applicable Requirements of Law, including, without limitation, (i) the Natural
Gas Policy Act of 1978, as amended, (ii) ERISA, (iii) Environmental Laws, and
(iv) all permits, licenses, registrations, approvals, and authorizations (A)
related to any natural or environmental resource or media located on, above,
within, in the vicinity of, related to or affected by any Property of the
Guarantor, (B) required for the performance of the operations of the Guarantor,
or (C) applicable to the use, generation, handling, storage, treatment,
transport, or disposal of any Hazardous Substances; and (b) cause all employees,
crew members, agents, contractors, subcontractors, and future lessees (pursuant
to appropriate lease provisions) of the Guarantor, while such Persons are acting
within the scope of their relationship with the Guarantor, to comply with all
such Requirements of Law as may be necessary or appropriate to enable the
Guarantor to so comply.

4.6  Payment of Assessments and Charges.  Pay all taxes, assessments,
governmental charges, rent, and other Indebtedness which, if unpaid, might
become a Lien against the Property of the Guarantor, except any of the foregoing
being contested in good faith and as to which adequate reserve in accordance
with GAAP has been established or unless failure to pay would not have a
Material Adverse Effect.

4.7  Indemnification.  INDEMNIFY AND HOLD THE AGENT AND EACH LENDER AND THEIR
RESPECTIVE SHAREHOLDERS, OFFICERS, DIRECTORS, EMPLOYEES, AGENTS, ATTORNEY-IN-
FACT, AND AFFILIATES AND EACH TRUSTEE FOR THE BENEFIT OF THE AGENT OR THE
LENDERS UNDER ANY SECURITY INSTRUMENT HARMLESS FROM AND AGAINST ANY AND ALL
CLAIMS, LOSSES, DAMAGES, LIABILITIES, FINES, PENALTIES, CHARGES, ADMINISTRATIVE
AND JUDICIAL PROCEEDINGS AND ORDERS, JUDGMENTS, REMEDIAL ACTIONS, REQUIREMENTS
AND ENFORCEMENT ACTIONS OF ANY KIND, AND ALL COSTS AND EXPENSES INCURRED IN
CONNECTION THEREWITH (INCLUDING, WITHOUT LIMITATION, ATTORNEYS' FEES AND
EXPENSES), ARISING DIRECTLY OR INDIRECTLY, IN WHOLE OR IN PART, FROM (A) THE
PRESENCE OF ANY HAZARDOUS SUBSTANCES ON, UNDER, OR FROM THE PROPERTY OF THE
BORROWER OR THE GUARANTOR, WHETHER PRIOR TO OR DURING THE TERM HEREOF, (B) ANY
ACTIVITY CARRIED ON OR UNDERTAKEN ON OR OFF THE PROPERTY OF THE BORROWER OR THE
GUARANTOR, WHETHER PRIOR TO OR DURING THE TERM HEREOF, AND WHETHER BY THE
BORROWER OR THE GUARANTOR, OR ANY PREDECESSOR IN TITLE, EMPLOYEE, AGENT,
CONTRACTOR, OR SUBCONTRACTOR OF THE BORROWER OR THE GUARANTOR, OR ANY
PREDECESSOR IN TITLE, OR ANY OTHER PERSON AT ANY TIME OCCUPYING OR PRESENT ON
SUCH PROPERTY, IN CONNECTION WITH THE HANDLING, TREATMENT, REMOVAL, STORAGE,
DECONTAMINATION, CLEANUP, TRANSPORTATION, OR DISPOSAL OF ANY HAZARDOUS
SUBSTANCES AT ANY TIME LOCATED OR PRESENT ON OR UNDER SUCH PROPERTY, (C) ANY
RESIDUAL CONTAMINATION ON OR UNDER THE PROPERTY OF THE BORROWER OR THE
GUARANTOR, (D) ANY CONTAMINATION OF ANY PROPERTY OR NATURAL RESOURCES ARISING IN
CONNECTION WITH THE GENERATION, USE, HANDLING, STORAGE, TRANSPORTATION, OR
DISPOSAL OF ANY HAZARDOUS SUBSTANCES BY THE BORROWER OR THE GUARANTOR, OR ANY
EMPLOYEE, AGENT, CONTRACTOR, OR SUBCONTRACTOR OF THE BORROWER OR THE GUARANTOR
WHILE SUCH PERSONS ARE ACTING WITHIN THE SCOPE OF THEIR RELATIONSHIP WITH THE
BORROWER OR THE GUARANTOR, IRRESPECTIVE OF WHETHER ANY OF SUCH ACTIVITIES WERE
OR WILL BE UNDERTAKEN IN ACCORDANCE WITH APPLICABLE REQUIREMENTS OF LAW, OR (E)
THE PERFORMANCE AND ENFORCEMENT OF ANY LOAN DOCUMENT, ANY ALLEGATION BY ANY
BENEFICIARY OF A LETTER OF CREDIT OF A WRONGFUL DISHONOR BY THE AGENT OF A CLAIM
OR DRAFT PRESENTED THEREUNDER, OR ANY OTHER ACT OR OMISSION IN CONNECTION WITH
OR RELATED TO ANY LOAN DOCUMENT OR THE TRANSACTIONS CONTEMPLATED THEREBY,
INCLUDING, WITHOUT LIMITATION, ANY OF THE FOREGOING ARISING FROM NEGLIGENCE,
WHETHER SOLE OR CONCURRENT, ON THE PART OF THE AGENT OR ANY LENDER OR ANY OF
THEIR RESPECTIVE SHAREHOLDERS, OFFICERS, DIRECTORS, EMPLOYEES, AGENTS, 
ATTORNEYS-IN-FACT, OR AFFILIATES OR ANY TRUSTEE FOR THE BENEFIT OF THE AGENT OR
THE LENDERS UNDER ANY SECURITY INSTRUMENT, BUT EXCLUDING ANY OF THE FOREGOING IN
THIS SECTION ARISING FROM THE GROSS NEGLIGENCE OR WILLFUL MISCONDUCT OF THE
AGENT OR ANY LENDER; WITH THE FOREGOING INDEMNITY SURVIVING SATISFACTION OF ALL
OBLIGATIONS OF THE GUARANTOR HEREUNDER AND ALL OTHER OBLIGATIONS AND THE
TERMINATION OF THIS AGREEMENT AND THE CREDIT AGREEMENT.

4.8  Operation of Pipeline Properties.  Maintain and operate its Pipeline
Properties in a prudent and workmanlike manner in accordance with industry
standards.

4.9  Maintenance and Inspection of Properties.  Maintain all of its tangible
Properties in good repair and condition, ordinary wear and tear excepted; make
all necessary replacements thereof and operate such Properties in a good and
workmanlike manner unless the failure to do so would not have a Material Adverse
Effect; and permit any authorized representative of the Agent or any Lender to
visit and inspect, at the expense of the Borrower, any tangible Property of the
Guarantor.

4.10 Maintenance of Insurance.  Maintain insurance with respect to its
Properties and businesses against such liabilities, casualties, risks, and
contingencies as is customary in the relevant industry and sufficient to prevent
a Material Adverse Effect, all such insurance to be in amounts and from insurers
acceptable to the Agent and within 60 days of the Closing Date for property
damage insurance covering Collateral and business interruption insurance, if
any, maintained by the Guarantor, naming the Agent as loss payee, and, upon any
renewal of any such insurance and at other times upon request by the Agent,
furnish to the Agent evidence, satisfactory to the Agent, of the maintenance of
such insurance.  The Agent shall have the right to collect, and the Guarantor
hereby assigns to the Agent, any and all monies that may become payable under
any policies of insurance relating to business interruption or by reason of
damage, loss, or destruction of any of the Collateral.  In the event of any
damage, loss, or destruction for which insurance proceeds relating to business
interruption or Collateral exceed $250,000, the Agent may, at its option, apply
all such sums or any part thereof received by it toward the payment of the
Obligations, whether matured or unmatured, application to be made first to
interest and then to principal, and shall deliver to the Guarantor the balance,
if any, after such application has been made.  In the event of any such damage,
loss, or destruction for which insurance proceeds are $250,000 or less, provided
that no Default or Event of Default has occurred and is continuing, the Agent
shall deliver any such proceeds received by it to the Guarantor.  In the event
the Agent receives insurance proceeds not attributable to Collateral or business
interruption, the Agent shall deliver any such proceeds to the Guarantor.

4.11 Further Assurances.  Promptly cure any defects in the execution and
delivery of any of the Loan Documents executed by the Guarantor and execute,
acknowledge, and deliver such other assurances and instruments as shall, in the
opinion of the Agent, be necessary to fulfill the terms of the Loan Documents
executed by the Guarantor.


                                  ARTICLE V
                             NEGATIVE COVENANTS

          Unless agreed in writing by the Agent to the contrary, so long as any
Obligation remains outstanding or unpaid or any Commitment exists, the Guarantor
will not:

5.1  Indebtedness.  Create, incur, assume, or suffer to exist any Indebtedness,
whether by way of loan or otherwise; provided, however, the foregoing
restriction shall not apply to (a) the Obligations, (b) accounts payable
incurred in the ordinary course of business, which are not unpaid in excess of
120 days beyond invoice date or are being contested in good faith and as to
which such reserve as is required by GAAP has been made, (c) with the prior
written consent of the Lenders, Subordinated Debt, (d) crude oil, natural gas,
or other hydrocarbon swap agreements, in form and substance and with a Person
acceptable to the Required Lenders, provided that each commitment issued under
any approved crude oil, natural gas, or other hydrocarbons swap agreement must
also be approved by the Required Lenders, or (e) obligations (other than
Indebtedness for borrowed money or capitalized leases) secured by Permitted
Liens to the extent constituting Indebtedness.

5.2  Contingent Obligations.  Create, incur, assume, or suffer to exist any
Contingent Obligation; provided, however, the foregoing restriction shall not
apply to (a) performance guarantees and performance surety or other bonds
provided in the ordinary course of business, (b) indemnity obligations under or
pursuant to the Purchase and Sale Agreement, (c) indemnity obligations incurred
in the ordinary course of business so long as such obligations do not cover the
primary obligation of any Affiliate of the Guarantor, (d) trade credit incurred
or operating leases entered into in the ordinary course of business, if
permitted pursuant to the other terms of this Guaranty, (e) Contingent
Obligations (other than with respect to Indebtedness for borrowed money or
capitalized leases) secured by Permitted Liens, or (f) the Obligations.

5.3  Liens.  Create, incur, assume, or suffer to exist any Lien on any of its
Properties, whether now owned or hereafter acquired, or its capital stock;
provided, however, the foregoing restrictions shall not apply to Permitted
Liens.

5.4  Sales of Assets.  Without the prior written consent of the Required
Lenders, sell, transfer, or otherwise dispose of, in one or any series of
transactions in any 12-month period, assets, whether now owned or hereafter
acquired, or enter into any agreement to do so; provided, however, the foregoing
restrictions shall not apply to (a) the sale of assets the aggregate book value
of which for the Borrower and the Pipeline Subsidiaries does not exceed in the
aggregate $1,000,000, (b) the sale of hydrocarbons or inventory in the ordinary
course of business provided that no contract for the sale of hydrocarbons shall
obligate the Guarantor to deliver hydrocarbons at some future date without
receiving full payment therefor within 90 days of delivery, (c) the sale of
crude oil pursuant to forward sales agreements, or (d) the sale or other
disposition of Property destroyed, lost, worn out, damaged, or having only
salvage value or no longer used or useful in the business of the Borrower or the
Guarantor.

5.5  Loans or Advances.  Make or agree to make any loans or advances to any
Person; provided, however, the foregoing restrictions shall not apply to
(a) advances or extensions of credit in the form of accounts receivable incurred
in the ordinary course of business and upon terms common in the industry for
such accounts receivable, (b) advances to employees for the payment of expenses
in the ordinary course of business, or (c) so long as no Default or Event of
Default exists, loans or advances in the ordinary course of business to the
Borrower, the other Pipeline Subsidiary, or Howell Corporation.

5.6  Investments.  Acquire Investments in, or purchase or otherwise acquire all
or substantially all of the assets of, any Person; provided, however, the
foregoing restriction shall not apply to the purchase or acquisition of (a) the
Pipeline Properties, (b) Investments in the form of (i) debt securities issued
or directly and fully guaranteed or insured by the United States  Government or
any agency or instrumentality thereof, with maturities of no more than one year,
(ii) commercial paper of a domestic issuer rated at the date of acquisition at
least P-2 by Moody's Investor Service, Inc. or A-2 by Standard & Poor's
Corporation and with maturities of no more than one year from the date of
acquisition, or (iii) repurchase agreements covering debt securities or
commercial paper of the type permitted in this Section, certificates of deposit,
demand deposits, eurodollar time deposits, overnight bank deposits, and bankers'
acceptances, with maturities of no more than one year from the date of
acquisition, issued by or acquired from or through the Agent, any Lender, or any
bank or trust company organized under the laws of the United States or any state
thereof and having capital surplus and undivided profits aggregating at least
$100,000,000, (c) other short-term Investments similar in nature and degree of
risk to those described in clause (b) of this Section, or (d) money-market
funds.

5.7  Issuance of Stock; Changes in Corporate Structure.  Issue or agree to issue
additional shares of capital stock, in one or any series of transactions for any
consideration other than cash; enter into any transaction of consolidation,
merger, or amalgamation; or liquidate, wind up, or dissolve (or suffer any
liquidation or dissolution).

5.8  Transactions with Affiliates.  Directly or indirectly, enter into any
material transaction (including the sale, lease, or exchange of Property or the
rendering of service) with any of its Affiliates, other than upon fair and
reasonable terms no less favorable than could be obtained in an arm's length
transaction with a Person which was not an Affiliate.

5.9  Lines of Business.  Expand, on its own or through any Affiliate, into any
line of business other than those in which it is engaged as of the date hereof
or as of the date of the acquisition of its Pipeline Properties and terminaling
activities.

5.10 Rental or Lease Agreements.  Enter into any contract to rent or lease as
lessee any Properties, real or personal; provided, however, the foregoing
restriction shall not apply to (a) leases in effect as of the Closing Date and
renewals and extensions thereof under terms and conditions not materially
different from those in effect as of the Closing Date, (b) leases of operating
tankage at Webster, Texas, from Exxon Pipeline Company (or its affiliate), the
rental or lease payments for which in any calendar or fiscal year do not exceed
$237,600, or (c) other operating leases the rental and lease payments under
which in any calendar or fiscal year do not exceed $500,000 in the aggregate for
all such leases of the Borrower, the Guarantor, and all Subsidiaries of Howell
Corporation.

5.11 ERISA Compliance.  Permit any Plan maintained by it or any Commonly
Controlled Entity to (a) engage in any Prohibited Transaction, (b) incur any
"accumulated funding deficiency," as such term is defined in Section 302 of
ERISA, or (c) terminate in a manner which could result in the imposition of a
Lien on any Property of the Guarantor pursuant to Section 4068 of ERISA; or
assume an obligation to contribute to any Multiemployer Plan; or acquire any
Person or the assets of any Person which has now or has had at any time an
obligation to contribute to any Multiemployer Plan.

5.12 Futures Contracts.  Enter into or permit to exist any fixed price
contracts, the obligations of the Guarantor under which are not covered by
hedging agreements; provided, however, the foregoing restriction shall not apply
to fixed price contracts under which the maximum aggregate liability of the
Borrower and the Pipeline Subsidiaries at any time outstanding does not exceed
$2,000,000.


                                  ARTICLE VI
                                MISCELLANEOUS

6.1  Survival of Representations, Warranties, and Covenants.  All
representations and warranties of the Guarantor and all covenants and agreements
herein made shall survive the making of the Loans and the issuance of the
Letters of Credit and shall remain in force and effect so long as any Obligation
is outstanding or any Commitment exists.

6.2  Notices and Other Communications.  Except as to verbal notices expressly
authorized herein, which verbal notices shall be confirmed in writing, all
notices, requests, and communications hereunder shall be in writing (including
by telecopy).  Unless otherwise expressly provided herein, any such notice,
request, demand, or other communication shall be deemed to have been duly given
or made when delivered by hand, or, in the case of delivery by mail, two
Business Days after deposited in the mail, certified mail, return receipt
requested, postage prepaid, or, in the case of telecopy notice, when receipt
thereof is acknowledged orally or by written confirmation report, addressed as
follows:

     if to the Agent or any Lender, to:

               Bank One, Texas, National Association
               910 Travis
               Houston, Texas 77002
               Attention:  Energy Group
               (or for notice by mail, to:
               P. O. Box 2629
               Houston, Texas 77252-2629
               Attention: Energy Group)
               Telecopy:  (713) 751-3544

     if to the Guarantor, to:

               Howell Pipeline Texas, Inc.
               1111 Fannin, Suite 1500
               Houston, Texas 77002
               Attention:  Allyn Skelton
               Telecopy:  (713) 658-4007

          Any party may, by proper written notice hereunder to the others,
change the individuals or addresses to which such notices to it shall thereafter
be sent.

6.3  Parties in Interest.  Subject to any applicable restrictions contained
herein, all covenants and agreements herein contained by or on behalf of the
Guarantor or the Agent shall be binding upon and inure to the benefit of the
Guarantor, the Agent, or the Lenders, as the case may be, and their respective
legal representatives, successors, and assigns.

6.4  Rights of Third Parties.  All provisions herein are imposed solely and
exclusively for the benefit of the Guarantor, the Agent and the Lenders and
their successors and assigns.  No other Person shall have any right, benefit,
priority, or interest hereunder or as a result hereof or have standing to
require satisfaction of provisions hereof in accordance with their terms.

6.5  No Waiver; Rights Cumulative.  No course of dealing on the part of the
Agent or any Lender, their officers or employees, nor any failure or delay by
the Agent or any Lender with respect to exercising any of its rights under any
Loan Document shall operate as a waiver thereof.  The rights of the Agent and
the Lenders under the Loan Documents shall be cumulative and the exercise or
partial exercise of any such right shall not preclude the exercise of any other
right.

6.6  Survival Upon Unenforceability.  In the event any one or more of the
provisions contained in any of the Loan Documents or in any other instrument
referred to herein or executed in connection with the Guaranteed Indebtedness or
the Obligations shall, for any reason, be held to be invalid, illegal, or
unenforceable in any respect, such invalidity, illegality, or unenforceability
shall not affect any other provision of any Loan Document or of any other
instrument referred to herein or executed in connection with the Guaranteed
Indebtedness or the Obligations.

6.7  Amendments; Waivers.  Neither this Guaranty nor any provision hereof may be
amended, waived, discharged, or terminated orally, but only by an instrument in
writing signed by the party against whom enforcement of the amendment, waiver,
discharge, or termination is sought.

6.8  Review of Guaranty.  This Guaranty was reviewed by the Guarantor, and the
Guarantor acknowledges and agrees that it understands fully all of the terms of
this Guaranty and the consequences and implications of its execution of this
Guaranty and has been afforded an opportunity to have this Guaranty reviewed by
an attorney and such other Persons as desired and to discuss the terms,
consequences, and implications of this Guaranty with such attorney and other
Persons.

6.9  Payments.  All amounts becoming payable by the Guarantor under this
Guaranty shall be payable to the Agent at the address of the Agent set forth
hereinabove.

6.10 GOVERNING LAW.  THIS GUARANTY SHALL BE DEEMED TO BE A CONTRACT MADE UNDER
AND SHALL BE CONSTRUED IN ACCORDANCE WITH AND GOVERNED BY THE LAWS OF THE STATE
OF TEXAS WITHOUT GIVING EFFECT TO PRINCIPLES THEREOF RELATING TO CONFLICTS OF
LAW, PROVIDED, HOWEVER, THAT VERNON'S TEXAS CIVIL STATUTES, ARTICLE 5069,
CHAPTER 15 (WHICH REGULATES CERTAIN REVOLVING CREDIT LOAN ACCOUNTS AND REVOLVING
TRI-PARTY ACCOUNTS) SHALL NOT APPLY.

6.11 JURISDICTION AND VENUE.  ALL ACTIONS OR PROCEEDINGS WITH RESPECT TO,
ARISING DIRECTLY OR INDIRECTLY IN CONNECTION WITH, OUT OF, RELATED TO, OR FROM
THIS GUARANTY OR ANY OTHER LOAN DOCUMENT TO WHICH THE GUARANTOR IS A PARTY MAY
BE LITIGATED, AT THE SOLE DISCRETION AND ELECTION OF THE AGENT, IN COURTS HAVING
SITUS IN HOUSTON, HARRIS COUNTY, TEXAS.  THE GUARANTOR HEREBY SUBMITS TO THE
JURISDICTION OF ANY LOCAL, STATE, OR FEDERAL COURT LOCATED IN HOUSTON, HARRIS
COUNTY, TEXAS, AND HEREBY WAIVES ANY RIGHTS IT MAY HAVE TO TRANSFER OR CHANGE
THE JURISDICTION OR VENUE OF ANY LITIGATION BROUGHT AGAINST IT BY THE AGENT OR
ANY LENDER IN ACCORDANCE WITH THIS SECTION.

6.12 WAIVER OF RIGHTS TO JURY TRIAL.  THE GUARANTOR, THE AGENT, AND EACH LENDER
HEREBY KNOWINGLY, VOLUNTARILY, INTENTIONALLY, IRREVOCABLY, AND UNCONDITIONALLY
WAIVE ALL RIGHTS TO TRIAL BY JURY IN ANY ACTION, SUIT, PROCEEDING, COUNTERCLAIM,
OR OTHER LITIGATION THAT RELATES TO OR ARISES OUT OF ANY OF THIS GUARANTY OR ANY
OTHER LOAN DOCUMENT OR THE ACTS OR OMISSIONS OF THE AGENT OR ANY LENDER IN THE
ENFORCEMENT OF ANY OF THE TERMS OR PROVISIONS OF THIS GUARANTY OR ANY OTHER LOAN
DOCUMENT OR OTHERWISE WITH RESPECT THERETO.  THE PROVISIONS OF THIS SECTION ARE
A MATERIAL INDUCEMENT FOR THE AGENT AND THE LENDERS ENTERING INTO THE CREDIT
AGREEMENT.

6.13 ENTIRE AGREEMENT.  THIS GUARANTY CONSTITUTES THE ENTIRE AGREEMENT BETWEEN
THE PARTIES HERETO WITH RESPECT TO THE SUBJECT HEREOF AND SHALL SUPERSEDE ANY
PRIOR AGREEMENTS, WHETHER WRITTEN OR ORAL, BETWEEN THE PARTIES HERETO RELATING
TO THE SUBJECT HEREOF.  FURTHERMORE, IN THIS REGARD, THIS GUARANTY AND THE OTHER
WRITTEN LOAN DOCUMENTS REPRESENT, COLLECTIVELY, THE FINAL AGREEMENT AMONG THE
PARTIES THERETO AND MAY NOT BE CONTRADICTED BY EVIDENCE OF PRIOR,
CONTEMPORANEOUS, OR SUBSEQUENT ORAL AGREEMENTS OF SUCH PARTIES.  THERE ARE NO
UNWRITTEN ORAL AGREEMENTS AMONG SUCH PARTIES.

          IN WITNESS WHEREOF, this Guaranty is executed as of the date first
above written.

     HOWELL PIPELINE TEXAS, INC.


     By:  /s/ Allen R. Stanley
          --------------------
          Allen R. Stanley
          President



     BANK ONE, TEXAS, NATIONAL
     ASSOCIATION, AS AGENT


     By:  /s/ Stephen M. Smith
          --------------------
          Stephen M. Smith
          Vice President




EXHIBIT 10.6







                                    GUARANTY

                                       BY

                            HOWELL PIPELINE USA, INC.

                                   IN FAVOR OF

                 BANK ONE, TEXAS, NATIONAL ASSOCIATION, AS AGENT






                           Dated as of March 31, 1995





                   CREDIT FACILITY TO HOWELL CRUDE OIL COMPANY











<PAGE>
                                TABLE OF CONTENTS


                                                      Page

ARTICLE I DEFINITIONS AND INTERPRETATION               1

     1.1  Terms Defined Above                          1
     1.2  Terms Defined in Credit Agreement            1
     1.3  Additional Defined Term                      2
     1.4  Undefined Financial Accounting Terms         2
     1.5  References.                                  2
     1.6  Articles and Sections                        2
     1.7  Number and Gender                            2

ARTICLE II     GUARANTY                                2

     2.1  Guaranty                                     2
     2.2  Absolute, Complete, and Continuing Guaranty  2
     2.3  Liability Not Impaired                       3
     2.4  Primary Liability                            3
     2.5  Security; Additional Guarantees              3
     2.6  Waivers                                      3
     2.7  Pursuit of Remedies                          4
     2.8  Status of Borrower                           4
     2.9  Independent Review; Solvency                 4
     2.10 Enforcement Costs                            4

ARTICLE III    REPRESENTATIONS AND WARRANTIES          5

     3.1  Due Authorization                            5
     3.2  Corporate Existence; Capitalization          5
     3.3  Valid and Binding Obligations                5

ARTICLE IV     AFFIRMATIVE COVENANTS                   5

     4.1  Maintenance and Access to Records            6
     4.2  Notices of Certain Events                    6
     4.3  Additional Information                       7
     4.4  Maintenance of Corporate Existence and Good
           Standing                                    7
     4.5  Compliance with Laws                         7
     4.6  Payment of Assessments and Charges           8
     4.7  Indemnification                              8
     4.8  Operation of Pipeline Properties             9
     4.9  Maintenance and Inspection of Properties     9
     4.10 Maintenance of Insurance                     9
     4.11 Further Assurances                           9

ARTICLE V NEGATIVE COVENANTS                           10

     5.1  Indebtedness                                 10
     5.2  Contingent Obligations                       10
     5.3  Liens                                        10
     5.4  Sales of Assets                              10
     5.5  Loans or Advances                            11
     5.6  Investments                                  11
     5.7  Issuance of Stock; Changes in Corporate
           Structure                                   11
     5.8  Transactions with Affiliates                 11
     5.9  Lines of Business                            11
     5.10 Rental or Lease Agreements                   11
     5.11 ERISA Compliance                             12
     5.12 Futures Contracts                            12

ARTICLE VI     MISCELLANEOUS                           12

     6.1  Survival of Representations, Warranties,
           and Covenants                               12
     6.2  Notices and Other Communications             12
     6.3  Parties in Interest                          13
     6.4  Rights of Third Parties                      13
     6.5  No Waiver; Rights Cumulative                 13
     6.6  Survival Upon Unenforceability               13
     6.7  Amendments; Waivers                          14
     6.8  Review of Guaranty                           14
     6.9  Payments                                     14
     6.10 GOVERNING LAW                                14
     6.11 JURISDICTION AND VENUE                       14
     6.12 WAIVER OF RIGHTS TO JURY TRIAL               14
     6.13 ENTIRE AGREEMENT                             15


<PAGE>
                                    GUARANTY


          This GUARANTY dated as of March 31, 1995, is by HOWELL PIPELINE USA,
INC., a Delaware corporation (the "Guarantor"), in favor of the lenders
signatory to the Credit Agreement (as such term is defined below) from time to
time (together with their respective successors and assigns, the "Lenders"), and
BANK ONE, TEXAS, NATIONAL ASSOCIATION, a national banking association ("Bank
One"), as Agent for the Lenders pursuant to the Credit Agreement (in such
capacity, together with its successors in such capacity pursuant to the terms of
the Credit Agreement, the "Agent").


     W I T N E S S E T H :

          WHEREAS, pursuant to the terms and conditions of the Credit Agreement
dated of even date herewith by and among Howell Crude Oil Company, a Delaware
corporation (the "Borrower"), the Agent, and the Lenders (as such agreement may
be amended, restated, or supplemented from time to time, the "Credit
Agreement"), the Lenders have agreed to extend credit to or for the benefit of
the Borrower;

          WHEREAS, the Guarantor, as a wholly-owned subsidiary of the Borrower,
will derive substantial direct and indirect benefits from the extension of
credit to the Borrower pursuant to the Credit Agreement; and

          WHEREAS, pursuant to the Credit Agreement and as an inducement to the
Lenders to extend credit to the Borrower pursuant to the Credit Agreement, the
Guarantor has agreed to execute this Guaranty in favor of the Agent for the
benefit of the Lenders;

          NOW, THEREFORE, in consideration of the premises and the mutual
covenants herein contained, the parties hereto agree as follows:


                     ARTICLE IDEFINITIONS AND INTERPRETATION

1.1  Terms Defined Above.  As used in this Guaranty, each of the terms "Agent,"
"Bank One," "Borrower," "Credit Agreement," "Guarantor," and "Lenders" shall
have the meaning assigned to such term hereinabove.

1.2  Terms Defined in Credit Agreement.  Each capitalized term used but not
defined herein shall have the meaning assigned to such term in the Credit
Agreement.

1.3  Additional Defined Term.  As used in this Guaranty, the term "Guaranteed
Indebtedness" shall mean the Indebtedness and other obligations as to which
payment is guaranteed by the Guarantor hereunder pursuant to Section 2.1.

1.4  Undefined Financial Accounting Terms.  Undefined financial accounting terms
used in this Guaranty shall have the meanings assigned to such terms according
to GAAP.

1.5  References.  The words "hereby," "herein," "hereinabove," "hereinafter,"
"hereinbelow," "hereof," "hereunder," and words of similar import when used in
this Guaranty shall refer to this Guaranty as a whole and not to any particular
Article, Section, or provision of this Guaranty.  References in this Guaranty to
Article or Section numbers are to such Articles or Sections of this Guaranty
unless otherwise specified.

1.6  Articles and Sections.  This Guaranty, for convenience only, has been
divided into Articles and Sections; and it is understood that the rights and
other legal relations of the parties hereto shall be determined from this
instrument as an entirety and without regard to the aforesaid division into
Articles and Sections and without regard to headings prefixed to such Articles
or Sections.

1.7  Number and Gender.  Whenever the context requires, reference herein made to
the single number shall be understood to include the plural; and likewise, the
plural shall be understood to include the singular.  Words denoting sex shall be
construed to include the masculine, feminine and neuter, when such construction
is appropriate; and specific enumeration shall not exclude the general but shall
be construed as cumulative.  Definitions of terms defined in the singular or
plural shall be equally applicable to the plural or singular, as the case may
be, unless otherwise indicated.


                               ARTICLE II
                                GUARANTY

2.1  Guaranty.  The Guarantor unconditionally guarantees to the Agent and the
Lenders the prompt payment and performance when due (whether at stated maturity,
by acceleration, or otherwise) of the Obligations.

2.2  Absolute, Complete, and Continuing Guaranty.  This is an absolute,
complete, and continuing Guaranty; and no notice of the Obligations, the making
of any Loans, the issuance of any Letter of Credit, the making of any Letter of
Credit Payment, or any extension of credit now or hereafter contracted by or
extended to the Borrower need be given to the Guarantor.  The grant of any Liens
by the Guarantor shall not in anyway limit or be construed as limiting the Agent
to collect payment of any liability of the Guarantor incurred hereby from the
Collateral, but it is expressly understood and provided that the liability of
the Guarantor hereunder shall constitute the absolute and unconditional
obligation of the Guarantor.  The Borrower and the Lenders may, in accordance
with the terms of the Credit Agreement, rearrange, extend, and/or renew all or
any portion of the Obligations without notice to the Guarantor; and in such
event, the Guarantor shall remain fully bound hereunder for payment of the
Guaranteed Indebtedness.  The obligations of the Guarantor hereunder shall not
be released, impaired, or diminished by any amendment, modification, or
alteration of any Loan Document, except as may be expressly provided in any such
amendment, modification, or alteration.  The Guarantor shall remain liable under
this Guaranty regardless of whether the Borrower or any other guarantor be found
not liable on all or any part of the Obligations for any reason, including,
without limitation, insanity, minority, disability, bankruptcy, insolvency,
death, liquidation, or dissolution, even though rendering all or any part of the
Obligations void, unenforceable, or uncollectible as against the Borrower or any
other guarantor.  This Guaranty shall continue to be effective or shall be
reinstated, as the case may be, if at any time any payment of any of the
Guaranteed Indebtedness is rescinded or must otherwise be returned by the Agent
or any Lender upon the insolvency, bankruptcy, or reorganization of the Borrower
or otherwise, all as though such payment had not been made and will, thereupon,
guarantee payment of such amount as to which refund or restitution has been
made, together with interest accruing thereon subsequent to the date of refund
or restitution at the applicable rate under the Credit Agreement and collection
costs and fees (including, without limitation, attorneys' fees) applicable
thereto.

2.3  Liability Not Impaired.  The liabilities and obligations of the Guarantor
hereunder shall not be affected or impaired by (a) the failure of the Agent or
any other Person to exercise diligence or reasonable care in the preservation,
protection, or other handling or treatment of all or any part of the Collateral,
(b) the failure of any Lien intended to be granted or created to secure all or
any part of the Obligations to be properly perfected or created or the
unenforceability of any Lien for any other reason, or (c) the subordination of
any such Lien to any other Lien.

2.4  Primary Liability.  The liability of the Guarantor for the payment of the
Guaranteed Indebtedness shall be primary and not secondary.

2.5  Security; Additional Guarantees.  The Guarantor authorizes the Agent and
the Lenders, without notice to or demand upon the Guarantor and without
affecting the liability of the Guarantor hereunder, (a) to take and hold
security voluntarily provided by any Person as security for the payment of all
or any portion of the Guaranteed Indebtedness and the other Obligations, and to
exchange, enforce, waive, and/or release any such security; (b) to apply such
security and direct the order or manner of sale thereof as the Agent or the
Lenders in their discretion may determine; and (c) to obtain a guaranty of all
or any portion of the Guaranteed Indebtedness and the other Obligations from any
one or more other Persons and to enforce, waive, rearrange, modify, limit, or
release at any time or times such other Persons from their obligations under
such guaranties, whether with or without consideration.

2.6  Waivers.  The Guarantor waives any right to require the Agent or any Lender
to (a) proceed against the Borrower or make any effort at the collection of the
Guaranteed Indebtedness from the Borrower or any other guarantor or Person
liable for all or any part of the Guaranteed Indebtedness, (b) proceed against
or exhaust any collateral securing the Guaranteed Indebtedness, or (c) pursue
any other remedy in the power of the Agent or any Lender.  The Guarantor further
waives any and all rights and remedies of suretyship, including, without
limitation, those it may have or be able to assert by reason of the provisions
of Chapter 34 of the Texas Business and Commerce Code.  The Guarantor waives any
defense arising by reason of any disability, lack of corporate authority or
power, or other defense of the Borrower or any other guarantor of all or any
part of the Obligations.  The Guarantor expressly waives all notices of any
kind, presentment for payment, demand for payment, protest, notice of protest,
notice of intent to accelerate maturity, notice of acceleration of maturity,
dishonor, diligence, notice of any amendment of any Loan Document, notice of any
adverse change in the financial condition of the Borrower, notice of any
adjustment, indulgence, forbearance, or compromise that might be granted or
given by the Agent or any Lender to the Borrower, and notice of acceptance of
this Guaranty, acceptance on the part of the Agent being conclusively presumed
by its request for this Guaranty and the delivery of this Guaranty to the Agent.
The liability and obligations of the Guarantor hereunder shall not be affected
or impaired by any action or inaction by the Agent or any Lender in regard to
any matter waived or notice of which is waived by the Guarantor in this
Guaranty.

2.7  Pursuit of Remedies.  The Agent and the Lenders may pursue any remedy
without altering the obligations of the Guarantor hereunder and without
liability to the Guarantor, even though the pursuit of such remedy may result in
the loss by the Guarantor of rights of subrogation or to proceed against others
for reimbursement or contribution or any other right.

2.8  Status of Borrower.  Should the status of the Borrower change in any way,
as a result of reorganization or dissolution, any sale, lease, or transfer of
any or all of the assets of the Borrower, any change in the shareholders,
partners, or members of the Borrower or otherwise, this Guaranty shall continue
and shall cover the Guaranteed Indebtedness under the new status.  This Section
shall not, however, be construed to authorize any action by the Borrower
otherwise prohibited under the Credit Agreement or any other Loan Document.

2.9  Independent Review; Solvency.  The Guarantor is familiar with and has
independently reviewed the books and records regarding the financial condition
of the Borrower and is familiar with the value of any and all property intended
as Collateral; however, the Guarantor is not relying on such financial condition
or such Collateral as an inducement to enter into this Guaranty. The Guarantor
acknowledges that it is not relying on any representations (oral or otherwise)
of the Agent, any Lender or any other Person except as may be expressly
described in this Guaranty.  As of the date hereof, and after giving effect to
this Guaranty and the contingent obligations evidenced hereby, the Guarantor is
and will be solvent, and has and will have Property which, valued fairly, exceed
the obligations, debts, and liabilities of the Guarantor, and has and will have
Property in the State of Texas sufficient to satisfy, repay, and discharge the
same.  In the event of the insolvency of the Guarantor, the Agent shall have the
option to declare the Guaranteed Indebtedness immediately due and payable from
the Guarantor.

2.10 Enforcement Costs.  If the Guaranteed Indebtedness is not paid by the
Guarantor when due, as required herein, and this Guaranty is placed in the hands
of an attorney for collection or is enforced by suit or through probate or
bankruptcy court or through any other judicial proceedings, the Guarantor shall
pay to the Agent an amount equal to the reasonable attorneys' fees and
collection costs incurred by the Agent or any Lender in the collection of the
Guaranteed Indebtedness.


                                ARTICLE III
                       REPRESENTATIONS AND WARRANTIES

          To induce the Agent and the Lenders to enter into the Credit Agreement
and to make Loans to or for the benefit of and to issue Letters of Credit for
the account of the Borrower, the Guarantor represents and warrants to the Agent
(which representations and warranties shall survive the delivery of this
Guaranty and the other Loan Documents) that:

3.1  Due Authorization.  The execution and delivery by the Guarantor of this
Guaranty and each other Loan Document to which the Guarantor is a party and the
performance of all obligations of the Guarantor hereunder and thereunder are
within the power of the Guarantor, have been duly authorized by all necessary
corporate action, and do not and will not (a) require the consent of any
Governmental Authority, (b) contravene or conflict with any Requirement of Law,
(c) contravene or conflict with any indenture, instrument, or other agreement to
which the Guarantor is a party or by which any Property of the Guarantor may be
presently bound or encumbered, or (d) result in or require the creation or
imposition of any Lien upon any Property of the Guarantor other than as
contemplated by the Loan Documents.

3.2  Corporate Existence; Capitalization.  The Guarantor is a corporation duly
organized, legally existing, and in good standing under the laws of the State of
Delaware and is duly qualified as a foreign corporation and is in good standing
in the States of Alabama, Florida, Louisiana, and Mississippi and all other
jurisdictions wherein the ownership of Property or the operation of its business
necessitates same, other than those jurisdictions wherein the failure to so
qualify will not have a Material Adverse Effect.  On or before the Closing Date,
the Guarantor has received capital contributions of not less than $4,000,000.

3.3  Valid and Binding Obligations.  This Guaranty and each other Loan Document
to which the Guarantor is a party, when duly executed and delivered by the
Guarantor, will be the legal, valid, and binding obligation of the Guarantor,
enforceable against the Guarantor in accordance with its terms.


                                ARTICLE IV
                           AFFIRMATIVE COVENANTS

          Unless agreed in writing by the Agent to the contrary, the Guarantor
covenants, so long as any Obligation remains outstanding or unpaid or any
Commitment exists, to:

4.1  Maintenance and Access to Records.  Keep adequate records, in accordance
with GAAP, of all its transactions so that at any time, and from time to time,
its true and complete financial condition may be readily determined, and
promptly following the reasonable request of the Agent or any Lender, make such
records available for inspection by the Agent or any Lender and, at the expense
of the Guarantor, allow the Agent or any Lender to make and take away copies
thereof.

4.2  Notices of Certain Events.  Deliver to the Agent and each Lender, promptly
upon having knowledge thereof, a written statement with respect to the
occurrence of any of the following events or circumstances, signed by a
Responsible Officer of the Guarantor and setting forth the relevant event or
circumstance and the steps being taken by the Guarantor with respect to such
event or circumstance:

     (a) any Default or Event of Default;

     (b) any default or event of default under any contractual obligation of the
Guarantor, or any litigation, investigation, or proceeding between the Guarantor
and any Governmental Authority which, in either case, if not cured or if
adversely determined, as the case may be, could reasonably be expected to have a
Material Adverse Effect;

     (c) any litigation or proceeding involving the Guarantor as a defendant or
in which any Property of the Guarantor is subject to a claim and in which the
amount involved is $1,000,000 or more and which is not covered by insurance or
in which injunctive or similar relief is sought;

     (d) the receipt by the Guarantor of any Environmental Complaint or any 
formal request from any Governmental Authority for information (other than 
requirements for compliance reports) regarding any Release of Hazardous 
Substances by the Guarantor or from, affecting, or related to any Property of 
the Guarantor, the effect of which could reasonably be expected to have a 
Material Adverse Effect; 

     (e) any actual, proposed, or threatened testing or other investigation by 
any Governmental Authority or other Person concerning the environmental 
condition of, or relating to, any Property of the Guarantor following any 
allegation of a violation of any Requirement of Law, the effect of which could 
reasonably be expected to have a Material Adverse Effect;

     (f) any Release of Hazardous Substances by the Guarantor or from, 
affecting, or related to any Property of the Guarantor or the violation of any 
Environmental Law, or the revocation, suspension, or forfeiture of or failure to
renew, any permit, license, registration, approval, or authorization which could
reasonably be expected to have a Material Adverse Effect;

     (g) any Reportable Event or imminently expected Reportable Event with 
respect to any Plan or any withdrawal from, or the termination, Reorganization, 
or Insolvency of, any Multiemployer Plan, or the institution of proceedings or 
the taking of any other action by PBGC, the Guarantor, or any Commonly 
Controlled Entity or Multiemployer Plan with respect to the withdrawal from or 
the termination, Reorganization, or Insolvency of, any Single Employer Plan or
Multiemployer Plan; or any Prohibited Transaction in connection with any Plan or
any trust created thereunder, the effect of which could reasonably be expected
to have a Material Adverse Effect, and the action being taken by the Internal
Revenue Service with respect thereto; and

     (h) any other event or condition which could reasonably be expected to 
cause a Material Adverse Effect.

4.3  Additional Information.  Furnish to the Agent and each Lender, within five
days after any material report (other than financial statements) or other
communication is sent by the Guarantor to its stockholders (in their capacity as
stockholders) or filed by the Guarantor with the Securities and Exchange
Commission or any successor or analogous Governmental Authority or with the
Federal Energy Regulatory Commission or the Texas Railroad Commission, copies of
such report or communication promptly upon the request of the Agent or any
Lender, such additional financial or other information concerning the assets,
liabilities, operations, and transactions of the Guarantor as the Agent or any
Lender may from time to time request.

4.4  Maintenance of Corporate Existence and Good Standing.  Maintain its
corporate existence or qualification and good standing in its jurisdiction of
incorporation and in all jurisdictions wherein the Property now owned or
hereafter acquired or business now or hereafter conducted necessitates same
except to the extent failure to do so would not have a Material Adverse Effect.

4.5  Compliance with Laws.  Except to the extent the failure to comply or cause
compliance would not have a Material Adverse Effect, (a) comply with all
applicable Requirements of Law, including, without limitation, (i) the Natural
Gas Policy Act of 1978, as amended, (ii) ERISA, (iii) Environmental Laws, and
(iv) all permits, licenses, registrations, approvals, and authorizations (A)
related to any natural or environmental resource or media located on, above,
within, in the vicinity of, related to or affected by any Property of the
Guarantor, (B) required for the performance of the operations of the Guarantor,
or (C) applicable to the use, generation, handling, storage, treatment,
transport, or disposal of any Hazardous Substances; and (b) cause all employees,
crew members, agents, contractors, subcontractors, and future lessees (pursuant
to appropriate lease provisions) of the Guarantor, while such Persons are acting
within the scope of their relationship with the Guarantor, to comply with all
such Requirements of Law as may be necessary or appropriate to enable the
Guarantor to so comply.

4.6  Payment of Assessments and Charges.  Pay all taxes, assessments,
governmental charges, rent, and other Indebtedness which, if unpaid, might
become a Lien against the Property of the Guarantor, except any of the foregoing
being contested in good faith and as to which adequate reserve in accordance
with GAAP has been established or unless failure to pay would not have a
Material Adverse Effect.

4.7  Indemnification.  INDEMNIFY AND HOLD THE AGENT AND EACH LENDER AND THEIR
RESPECTIVE SHAREHOLDERS, OFFICERS, DIRECTORS, EMPLOYEES, AGENTS, ATTORNEY-IN-
FACT, AND AFFILIATES AND EACH TRUSTEE FOR THE BENEFIT OF THE AGENT OR THE
LENDERS UNDER ANY SECURITY INSTRUMENT HARMLESS FROM AND AGAINST ANY AND ALL
CLAIMS, LOSSES, DAMAGES, LIABILITIES, FINES, PENALTIES, CHARGES, ADMINISTRATIVE
AND JUDICIAL PROCEEDINGS AND ORDERS, JUDGMENTS, REMEDIAL ACTIONS, REQUIREMENTS
AND ENFORCEMENT ACTIONS OF ANY KIND, AND ALL COSTS AND EXPENSES INCURRED IN
CONNECTION THEREWITH (INCLUDING, WITHOUT LIMITATION, ATTORNEYS' FEES AND
EXPENSES), ARISING DIRECTLY OR INDIRECTLY, IN WHOLE OR IN PART, FROM (A) THE
PRESENCE OF ANY HAZARDOUS SUBSTANCES ON, UNDER, OR FROM THE PROPERTY OF THE
BORROWER OR THE GUARANTOR, WHETHER PRIOR TO OR DURING THE TERM HEREOF, (B) ANY
ACTIVITY CARRIED ON OR UNDERTAKEN ON OR OFF THE PROPERTY OF THE BORROWER OR THE
GUARANTOR, WHETHER PRIOR TO OR DURING THE TERM HEREOF, AND WHETHER BY THE
BORROWER OR THE GUARANTOR, OR ANY PREDECESSOR IN TITLE, EMPLOYEE, AGENT,
CONTRACTOR, OR SUBCONTRACTOR OF THE BORROWER OR THE GUARANTOR, OR ANY
PREDECESSOR IN TITLE, OR ANY OTHER PERSON AT ANY TIME OCCUPYING OR PRESENT ON
SUCH PROPERTY, IN CONNECTION WITH THE HANDLING, TREATMENT, REMOVAL, STORAGE,
DECONTAMINATION, CLEANUP, TRANSPORTATION, OR DISPOSAL OF ANY HAZARDOUS
SUBSTANCES AT ANY TIME LOCATED OR PRESENT ON OR UNDER SUCH PROPERTY, (C) ANY
RESIDUAL CONTAMINATION ON OR UNDER THE PROPERTY OF THE BORROWER OR THE
GUARANTOR, (D) ANY CONTAMINATION OF ANY PROPERTY OR NATURAL RESOURCES ARISING IN
CONNECTION WITH THE GENERATION, USE, HANDLING, STORAGE, TRANSPORTATION, OR
DISPOSAL OF ANY HAZARDOUS SUBSTANCES BY THE BORROWER OR THE GUARANTOR, OR ANY
EMPLOYEE, AGENT, CONTRACTOR, OR SUBCONTRACTOR OF THE BORROWER OR THE GUARANTOR
WHILE SUCH PERSONS ARE ACTING WITHIN THE SCOPE OF THEIR RELATIONSHIP WITH THE
BORROWER OR THE GUARANTOR, IRRESPECTIVE OF WHETHER ANY OF SUCH ACTIVITIES WERE
OR WILL BE UNDERTAKEN IN ACCORDANCE WITH APPLICABLE REQUIREMENTS OF LAW, OR (E)
THE PERFORMANCE AND ENFORCEMENT OF ANY LOAN DOCUMENT, ANY ALLEGATION BY ANY
BENEFICIARY OF A LETTER OF CREDIT OF A WRONGFUL DISHONOR BY THE AGENT OF A CLAIM
OR DRAFT PRESENTED THEREUNDER, OR ANY OTHER ACT OR OMISSION IN CONNECTION WITH
OR RELATED TO ANY LOAN DOCUMENT OR THE TRANSACTIONS CONTEMPLATED THEREBY,
INCLUDING, WITHOUT LIMITATION, ANY OF THE FOREGOING ARISING FROM NEGLIGENCE,
WHETHER SOLE OR CONCURRENT, ON THE PART OF THE AGENT OR ANY LENDER OR ANY OF
THEIR RESPECTIVE SHAREHOLDERS, OFFICERS, DIRECTORS, EMPLOYEES, AGENTS, 
ATTORNEYS-IN-FACT, OR AFFILIATES OR ANY TRUSTEE FOR THE BENEFIT OF THE AGENT OR
THE LENDERS UNDER ANY SECURITY INSTRUMENT, BUT EXCLUDING ANY OF THE FOREGOING IN
THIS SECTION ARISING FROM THE GROSS NEGLIGENCE OR WILLFUL MISCONDUCT OF THE
AGENT OR ANY LENDER; WITH THE FOREGOING INDEMNITY SURVIVING SATISFACTION OF ALL
OBLIGATIONS OF THE GUARANTOR HEREUNDER AND ALL OTHER OBLIGATIONS AND THE
TERMINATION OF THIS AGREEMENT AND THE CREDIT AGREEMENT.

4.8  Operation of Pipeline Properties.  Maintain and operate its Pipeline
Properties in a prudent and workmanlike manner in accordance with industry
standards.

4.9  Maintenance and Inspection of Properties.  Maintain all of its tangible
Properties in good repair and condition, ordinary wear and tear excepted; make
all necessary replacements thereof and operate such Properties in a good and
workmanlike manner unless the failure to do so would not have a Material Adverse
Effect; and permit any authorized representative of the Agent or any Lender to
visit and inspect, at the expense of the Borrower, any tangible Property of the
Guarantor.

4.10 Maintenance of Insurance.  Maintain insurance with respect to its
Properties and businesses against such liabilities, casualties, risks, and
contingencies as is customary in the relevant industry and sufficient to prevent
a Material Adverse Effect, all such insurance to be in amounts and from insurers
acceptable to the Agent and within 60 days of the Closing Date for property
damage insurance covering Collateral and business interruption insurance, if
any, maintained by the Guarantor, naming the Agent as loss payee, and, upon any
renewal of any such insurance and at other times upon request by the Agent,
furnish to the Agent evidence, satisfactory to the Agent, of the maintenance of
such insurance.  The Agent shall have the right to collect, and the Guarantor
hereby assigns to the Agent, any and all monies that may become payable under
any policies of insurance relating to business interruption or by reason of
damage, loss, or destruction of any of the Collateral.  In the event of any
damage, loss, or destruction for which insurance proceeds relating to business
interruption or Collateral exceed $250,000, the Agent may, at its option, apply
all such sums or any part thereof received by it toward the payment of the
Obligations, whether matured or unmatured, application to be made first to
interest and then to principal, and shall deliver to the Guarantor the balance,
if any, after such application has been made.  In the event of any such damage,
loss, or destruction for which insurance proceeds are $250,000 or less, provided
that no Default or Event of Default has occurred and is continuing, the Agent
shall deliver any such proceeds received by it to the Guarantor.  In the event
the Agent receives insurance proceeds not attributable to Collateral or business
interruption, the Agent shall deliver any such proceeds to the Guarantor.

4.11 Further Assurances.  Promptly cure any defects in the execution and
delivery of any of the Loan Documents executed by the Guarantor and execute,
acknowledge, and deliver such other assurances and instruments as shall, in the
opinion of the Agent, be necessary to fulfill the terms of the Loan Documents
executed by the Guarantor.


                                 ARTICLE V 
                            NEGATIVE COVENANTS

          Unless agreed in writing by the Agent to the contrary, so long as any
Obligation remains outstanding or unpaid or any Commitment exists, the Guarantor
will not:

5.1  Indebtedness.  Create, incur, assume, or suffer to exist any Indebtedness,
whether by way of loan or otherwise; provided, however, the foregoing
restriction shall not apply to (a) the Obligations, (b) accounts payable
incurred in the ordinary course of business, which are not unpaid in excess of
120 days beyond invoice date or are being contested in good faith and as to
which such reserve as is required by GAAP has been made, (c) with the prior
written consent of the Lenders, Subordinated Debt, (d) crude oil, natural gas,
or other hydrocarbon swap agreements, in form and substance and with a Person
acceptable to the Required Lenders, provided that each commitment issued under
any approved crude oil, natural gas, or other hydrocarbons swap agreement must
also be approved by the Required Lenders, or (e) obligations (other than
Indebtedness for borrowed money or capitalized leases) secured by Permitted
Liens to the extent constituting Indebtedness.

5.2  Contingent Obligations.  Create, incur, assume, or suffer to exist any
Contingent Obligation; provided, however, the foregoing restriction shall not
apply to (a) performance guarantees and performance surety or other bonds
provided in the ordinary course of business, (b) indemnity obligations under or
pursuant to the Purchase and Sale Agreement, (c) indemnity obligations incurred
in the ordinary course of business so long as such obligations do not cover the
primary obligation of any Affiliate of the Guarantor, (d) trade credit incurred
or operating leases entered into in the ordinary course of business, if
permitted pursuant to the other terms of this Guaranty, (e) Contingent
Obligations (other than with respect to Indebtedness for borrowed money or
capitalized leases) secured by Permitted Liens, or (f) the Obligations.

5.3  Liens.  Create, incur, assume, or suffer to exist any Lien on any of its
Properties, whether now owned or hereafter acquired, or its capital stock;
provided, however, the foregoing restrictions shall not apply to Permitted
Liens.

5.4  Sales of Assets.  Without the prior written consent of the Required
Lenders, sell, transfer, or otherwise dispose of, in one or any series of
transactions in any 12-month period, assets, whether now owned or hereafter
acquired, or enter into any agreement to do so; provided, however, the foregoing
restrictions shall not apply to (a) the sale of assets the aggregate book value
of which for the Borrower and the Pipeline Subsidiaries does not exceed in the
aggregate $1,000,000, (b) the sale of hydrocarbons or inventory in the ordinary
course of business provided that no contract for the sale of hydrocarbons shall
obligate the Guarantor to deliver hydrocarbons at some future date without
receiving full payment therefor within 90 days of delivery, (c) the sale of
crude oil pursuant to forward sales agreements, or (d) the sale or other
disposition of Property destroyed, lost, worn out, damaged, or having only
salvage value or no longer used or useful in the business of the Borrower or the
Guarantor.

5.5  Loans or Advances.  Make or agree to make any loans or advances to any
Person; provided, however, the foregoing restrictions shall not apply to
(a) advances or extensions of credit in the form of accounts receivable incurred
in the ordinary course of business and upon terms common in the industry for
such accounts receivable, (b) advances to employees for the payment of expenses
in the ordinary course of business, or (c) so long as no Default or Event of
Default exists, loans or advances in the ordinary course of business to the
Borrower, the other Pipeline Subsidiary, or Howell Corporation.

5.6  Investments.  Acquire Investments in, or purchase or otherwise acquire all
or substantially all of the assets of, any Person; provided, however, the
foregoing restriction shall not apply to the purchase or acquisition of (a) the
Pipeline Properties, (b) Investments in the form of (i) debt securities issued
or directly and fully guaranteed or insured by the United States  Government or
any agency or instrumentality thereof, with maturities of no more than one year,
(ii) commercial paper of a domestic issuer rated at the date of acquisition at
least P-2 by Moody's Investor Service, Inc. or A-2 by Standard & Poor's
Corporation and with maturities of no more than one year from the date of
acquisition, or (iii) repurchase agreements covering debt securities or
commercial paper of the type permitted in this Section, certificates of deposit,
demand deposits, eurodollar time deposits, overnight bank deposits, and bankers'
acceptances, with maturities of no more than one year from the date of
acquisition, issued by or acquired from or through the Agent, any Lender, or any
bank or trust company organized under the laws of the United States or any state
thereof and having capital surplus and undivided profits aggregating at least
$100,000,000, (c) other short-term Investments similar in nature and degree of
risk to those described in clause (b) of this Section, or (d) money-market
funds.

5.7  Issuance of Stock; Changes in Corporate Structure.  Issue or agree to issue
additional shares of capital stock, in one or any series of transactions for any
consideration other than cash; enter into any transaction of consolidation,
merger, or amalgamation; or liquidate, wind up, or dissolve (or suffer any
liquidation or dissolution).

5.8  Transactions with Affiliates.  Directly or indirectly, enter into any
material transaction (including the sale, lease, or exchange of Property or the
rendering of service) with any of its Affiliates, other than upon fair and
reasonable terms no less favorable than could be obtained in an arm's length
transaction with a Person which was not an Affiliate.

5.9  Lines of Business.  Expand, on its own or through any Affiliate, into any
line of business other than those in which it is engaged as of the date hereof
or as of the date of the acquisition of its Pipeline Properties and terminaling
activities.

5.10 Rental or Lease Agreements.  Enter into any contract to rent or lease as
lessee any Properties, real or personal; provided, however, the foregoing
restriction shall not apply to (a) leases in effect as of the Closing Date and
renewals and extensions thereof under terms and conditions not materially
different from those in effect as of the Closing Date, (b) leases of operating
tankage at Webster, Texas, from Exxon Pipeline Company (or its affiliate), the
rental or lease payments for which in any calendar or fiscal year do not exceed
$237,600, or (c) other operating leases the rental and lease payments under
which in any calendar or fiscal year do not exceed $500,000 in the aggregate for
all such leases of the Borrower, the Guarantor, and all Subsidiaries of Howell
Corporation.

5.11 ERISA Compliance.  Permit any Plan maintained by it or any Commonly
Controlled Entity to (a) engage in any Prohibited Transaction, (b) incur any
"accumulated funding deficiency," as such term is defined in Section 302 of
ERISA, or (c) terminate in a manner which could result in the imposition of a
Lien on any Property of the Guarantor pursuant to Section 4068 of ERISA; or
assume an obligation to contribute to any Multiemployer Plan; or acquire any
Person or the assets of any Person which has now or has had at any time an
obligation to contribute to any Multiemployer Plan.

5.12 Futures Contracts.  Enter into or permit to exist any fixed price
contracts, the obligations of the Guarantor under which are not covered by
hedging agreements; provided, however, the foregoing restriction shall not apply
to fixed price contracts under which the maximum aggregate liability of the
Borrower and the Pipeline Subsidiaries at any time outstanding does not exceed
$2,000,000.


                                ARTICLE VI
                               MISCELLANEOUS

6.1  Survival of Representations, Warranties, and Covenants.  All
representations and warranties of the Guarantor and all covenants and agreements
herein made shall survive the making of the Loans and the issuance of the
Letters of Credit and shall remain in force and effect so long as any Obligation
is outstanding or any Commitment exists.

6.2  Notices and Other Communications.  Except as to verbal notices expressly
authorized herein, which verbal notices shall be confirmed in writing, all
notices, requests, and communications hereunder shall be in writing (including
by telecopy).  Unless otherwise expressly provided herein, any such notice,
request, demand, or other communication shall be deemed to have been duly given
or made when delivered by hand, or, in the case of delivery by mail, two
Business Days after deposited in the mail, certified mail, return receipt
requested, postage prepaid, or, in the case of telecopy notice, when receipt
thereof is acknowledged orally or by written confirmation report, addressed as
follows:

     (a)  if to the Agent or any Lender, to:

               Bank One, Texas, National Association
               910 Travis
               Houston, Texas 77002
               Attention:  Energy Group
               (or for notice by mail, to:
               P. O. Box 2629
               Houston, Texas 77252-2629
               Attention: Energy Group)
               Telecopy:  (713) 751-3544

     (b)  if to the Guarantor, to:

               Howell Pipeline USA, Inc.
               1111 Fannin, Suite 1500
               Houston, Texas 77002
               Attention:  Allyn Skelton
               Telecopy:  (713) 658-4007

          Any party may, by proper written notice hereunder to the others,
change the individuals or addresses to which such notices to it shall thereafter
be sent.

6.3  Parties in Interest.  Subject to any applicable restrictions contained
herein, all covenants and agreements herein contained by or on behalf of the
Guarantor or the Agent shall be binding upon and inure to the benefit of the
Guarantor, the Agent, or the Lenders, as the case may be, and their respective
legal representatives, successors, and assigns.

6.4  Rights of Third Parties.  All provisions herein are imposed solely and
exclusively for the benefit of the Guarantor, the Agent and the Lenders and
their successors and assigns.  No other Person shall have any right, benefit,
priority, or interest hereunder or as a result hereof or have standing to
require satisfaction of provisions hereof in accordance with their terms.

6.5  No Waiver; Rights Cumulative.  No course of dealing on the part of the
Agent or any Lender, their officers or employees, nor any failure or delay by
the Agent or any Lender with respect to exercising any of its rights under any
Loan Document shall operate as a waiver thereof.  The rights of the Agent and
the Lenders under the Loan Documents shall be cumulative and the exercise or
partial exercise of any such right shall not preclude the exercise of any other
right.

6.6  Survival Upon Unenforceability.  In the event any one or more of the
provisions contained in any of the Loan Documents or in any other instrument
referred to herein or executed in connection with the Guaranteed Indebtedness or
the Obligations shall, for any reason, be held to be invalid, illegal, or
unenforceable in any respect, such invalidity, illegality, or unenforceability
shall not affect any other provision of any Loan Document or of any other
instrument referred to herein or executed in connection with the Guaranteed
Indebtedness or the Obligations.

6.7  Amendments; Waivers.  Neither this Guaranty nor any provision hereof may be
amended, waived, discharged, or terminated orally, but only by an instrument in
writing signed by the party against whom enforcement of the amendment, waiver,
discharge, or termination is sought.

6.8  Review of Guaranty.  This Guaranty was reviewed by the Guarantor, and the
Guarantor acknowledges and agrees that it understands fully all of the terms of
this Guaranty and the consequences and implications of its execution of this
Guaranty and has been afforded an opportunity to have this Guaranty reviewed by
an attorney and such other Persons as desired and to discuss the terms,
consequences, and implications of this Guaranty with such attorney and other
Persons.

6.9  Payments.  All amounts becoming payable by the Guarantor under this
Guaranty shall be payable to the Agent at the address of the Agent set forth
hereinabove.

6.10 GOVERNING LAW.  THIS GUARANTY SHALL BE DEEMED TO BE A CONTRACT MADE UNDER
AND SHALL BE CONSTRUED IN ACCORDANCE WITH AND GOVERNED BY THE LAWS OF THE STATE
OF TEXAS WITHOUT GIVING EFFECT TO PRINCIPLES THEREOF RELATING TO CONFLICTS OF
LAW, PROVIDED, HOWEVER, THAT VERNON'S TEXAS CIVIL STATUTES, ARTICLE 5069,
CHAPTER 15 (WHICH REGULATES CERTAIN REVOLVING CREDIT LOAN ACCOUNTS AND REVOLVING
TRI-PARTY ACCOUNTS) SHALL NOT APPLY.

6.11 JURISDICTION AND VENUE.  ALL ACTIONS OR PROCEEDINGS WITH RESPECT TO,
ARISING DIRECTLY OR INDIRECTLY IN CONNECTION WITH, OUT OF, RELATED TO, OR FROM
THIS GUARANTY OR ANY OTHER LOAN DOCUMENT TO WHICH THE GUARANTOR IS A PARTY MAY
BE LITIGATED, AT THE SOLE DISCRETION AND ELECTION OF THE AGENT, IN COURTS HAVING
SITUS IN HOUSTON, HARRIS COUNTY, TEXAS.  THE GUARANTOR HEREBY SUBMITS TO THE
JURISDICTION OF ANY LOCAL, STATE, OR FEDERAL COURT LOCATED IN HOUSTON, HARRIS
COUNTY, TEXAS, AND HEREBY WAIVES ANY RIGHTS IT MAY HAVE TO TRANSFER OR CHANGE
THE JURISDICTION OR VENUE OF ANY LITIGATION BROUGHT AGAINST IT BY THE AGENT OR
ANY LENDER IN ACCORDANCE WITH THIS SECTION.

6.12 WAIVER OF RIGHTS TO JURY TRIAL.  THE GUARANTOR, THE AGENT, AND EACH LENDER
HEREBY KNOWINGLY, VOLUNTARILY, INTENTIONALLY, IRREVOCABLY, AND UNCONDITIONALLY
WAIVE ALL RIGHTS TO TRIAL BY JURY IN ANY ACTION, SUIT, PROCEEDING, COUNTERCLAIM,
OR OTHER LITIGATION THAT RELATES TO OR ARISES OUT OF ANY OF THIS GUARANTY OR ANY
OTHER LOAN DOCUMENT OR THE ACTS OR OMISSIONS OF THE AGENT OR ANY LENDER IN THE
ENFORCEMENT OF ANY OF THE TERMS OR PROVISIONS OF THIS GUARANTY OR ANY OTHER LOAN
DOCUMENT OR OTHERWISE WITH RESPECT THERETO.  THE PROVISIONS OF THIS SECTION ARE
A MATERIAL INDUCEMENT FOR THE AGENT AND THE LENDERS ENTERING INTO THE CREDIT
AGREEMENT.

6.13 ENTIRE AGREEMENT.  THIS GUARANTY CONSTITUTES THE ENTIRE AGREEMENT BETWEEN
THE PARTIES HERETO WITH RESPECT TO THE SUBJECT HEREOF AND SHALL SUPERSEDE ANY
PRIOR AGREEMENTS, WHETHER WRITTEN OR ORAL, BETWEEN THE PARTIES HERETO RELATING
TO THE SUBJECT HEREOF.  FURTHERMORE, IN THIS REGARD, THIS GUARANTY AND THE OTHER
WRITTEN LOAN DOCUMENTS REPRESENT, COLLECTIVELY, THE FINAL AGREEMENT AMONG THE
PARTIES THERETO AND MAY NOT BE CONTRADICTED BY EVIDENCE OF PRIOR,
CONTEMPORANEOUS, OR SUBSEQUENT ORAL AGREEMENTS OF SUCH PARTIES.  THERE ARE NO
UNWRITTEN ORAL AGREEMENTS AMONG SUCH PARTIES.

          IN WITNESS WHEREOF, this Guaranty is executed as of the date first
above written.

     HOWELL PIPELINE USA, INC.


     By:  /s/ Allen R. Stanley
          --------------------
          Allen R. Stanley
          President



     BANK ONE, TEXAS, NATIONAL
     ASSOCIATION, AS AGENT


     By:  /s/ Stephen M. Smith
          --------------------
          Stephen M. Smith
          Vice President


EXHIBIT 11
<TABLE>
                               HOWELL CORPORATION

                        COMPUTATION OF EARNINGS PER SHARE
                                   (Unaudited)
<CAPTION>
                                                         Three Months Ended
                                                              March 31,
                                                           1995      1994
                                                    (In thousands, except per
                                                            share amounts)
<S>                                                       <C>      <C>
PRIMARY EARNINGS PER SHARE

Computation for Statement of Earnings

Reconciliation of net income per statement of
  earnings to amount used in calculation of earnings
  per share - assuming no dilution:
     Net earnings                                          $832      $352
     Subtract - Dividend to preferred shareholders          604       604
     Net earnings (loss), as adjusted                      $228    $ (252)

Weighted average number of common shares
  outstanding                                             4,837     4,837

Earnings (loss) per share - assuming no dilution <F1>      $.05    $ (.05)

Additional Primary Computation

Net earnings (loss), as adjusted per primary
  computation above                                        $228    $ (252)

Adjustment to weighted average number of
  shares outstanding:
     Weighted average number of shares outstanding
       per primary computation above                      4,837     4,837
     Add - Dilutive effect of outstanding options
       (as determined by application of the treasury
       stock method)                                         71        66
     Weighted average number of shares outstanding,
       as adjusted                                        4,908     4,903

Primary earnings (loss) per share, as adjusted <F2>        $.05    $ (.05)

FULLY DILUTED EARNINGS PER SHARE

Computation for Statement of Earnings

Net earnings (loss), as adjusted per
  primary computation above                                $228    $ (252)

Weighted average number of common shares
  outstanding, per primary computation above              4,837     4,837


Earnings (loss) per share - assuming full
  dilution <F1>                                            $.05    $ (.05)


Additional Fully Diluted Computation

Additional adjustment to net earnings (loss),
  as adjusted per fully diluted computation above:
     Net earnings (loss), as adjusted per fully
       diluted computation above                           $228    $ (252)
     Add - Dividend to preferred shareholders               604       604

     Net earnings, as adjusted                             $832      $352

Additional adjustment to weighted average number
  of shares outstanding:
     Weighted average number of shares outstanding,
       per fully diluted computation above                4,837     4,837
     Add - Dilutive effect of outstanding options
       (as determined by the application of the treasury
       stock method)                                         71        56
          Shares issuable from assumed exercise of
            convertible preferred stock                   2,091     2,091
     Weighted average number of common shares,
        as adjusted                                       6,999     6,984

Fully diluted earnings per share <F3>                      $.12      $.05


<FN>
<F1>
These amounts agree with the reported amounts on the statements of earnings.
<F2>
This calculation is submitted in accordance with Regulation S-K item 601(b)(11)
although not required by footnote 2 to paragraph 14 of APB Opinion No. 15
because it results in dilution of less than 3%.
<F3>
This calculation is submitted in accordance with Regulation S-K item 601(b)(11)
although it is contrary to paragraph 40 of APB Opinion No. 15 because it
produces an anti-dilutive result.
</FN>
</TABLE>



<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS FINANCIAL STATEMENT  INFORMATION FROM THE FORM 10-Q OF
HOWELL CORPORATION FOR THE QUARTER ENDED MARCH 31, 1995 AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1995
<PERIOD-END>                               MAR-31-1995
<CASH>                                            2631
<SECURITIES>                                         0
<RECEIVABLES>                                    58025
<ALLOWANCES>                                       223
<INVENTORY>                                       3064
<CURRENT-ASSETS>                                 65325
<PP&E>                                          300782
<DEPRECIATION>                                  195943
<TOTAL-ASSETS>                                  262419
<CURRENT-LIABILITIES>                            65644
<BONDS>                                         101074
<COMMON>                                          4837
                                0
                                        690
<OTHER-SE>                                       70427
<TOTAL-LIABILITY-AND-EQUITY>                    262419
<SALES>                                         151516
<TOTAL-REVENUES>                                151516
<CGS>                                           146823
<TOTAL-COSTS>                                   146823
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                                 627
<INCOME-PRETAX>                                   1249
<INCOME-TAX>                                       417
<INCOME-CONTINUING>                                  0
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                       832
<EPS-PRIMARY>                                      .05
<EPS-DILUTED>                                      .05
        

</TABLE>


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