SEITEL INC
10-Q, 1995-08-14
OIL & GAS FIELD EXPLORATION SERVICES
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                UNITED STATES SECURITIES AND EXCHANGE COMMISSION
                              Washington, DC 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 June 30, 1995
                               -------------

                                    OR

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

For the transition period to           to         
                             ---------    ---------
Commission File Number 0-14488

                                  Seitel, Inc.
                                --------------- 
               (Exact name of registrant as specified in charter)

          Delaware                                        76-0025431
-------------------------------                --------------------------------
(State or other jurisdiction of                         (IRS Employer 
  incorporation of organization)                    Identification Number)

50 Briar Hollow Lane
West Building, 7th Floor
Houston, Texas                                   77027
-------------------------------                --------
(Address of principal executive               (Zip Code)
offices)

                                 (713) 627-1990
              ----------------------------------------------------
              (Registrant's telephone number, including area code)

                                 Not Applicable
              ----------------------------------------------------
              Former name, former address and former fiscal year,
                         if changed since last report.

        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
                                        ---                      --- 

        As of August 9, 1995 there were 9,319,573 shares of the Company's common
        stock, par value $.01 per share, outstanding.

                                                                    Page 1 of 14


<PAGE>


                                     INDEX



PART    I. FINANCIAL INFORMATION                                           Page

        Item 1. Financial Statements

        Consolidated Balance Sheets as of
        June 30, 1995 and December 31, 1994  . . . . . . . . . . . . . .     3

        Consolidated Statements of Operations
        for the Three Months Ended June 30,
        1995 and  1994.  . . . . . . . . . . . . . . . . . . . . . . . .     4
                      
        Consolidated Statements of Operations
        for the Six Months Ended June 30,
        1995 and  1994 . . . . . . . . . . . . . . . . . . . . . . . . .     5
                        
        Consolidated Statements of Stockholders'
        Equity for the Six Months Ended
        June 30,  1995 . . . . . . . . . . . . . . . . . . . . . . . . .     6
                         
        Consolidated Statements of Cash Flows
        for the Six Months Ended June 30, 1995
        and 1994 . . . . . . . . . . . . . . . . . . . . . . . . . . . .     7

        Notes to Consolidated Interim
        Financial Statements . . . . . . . . . . . . . . . . . . . . . .     8
                        
        Item 2.  Management's Discussion and
        Analysis of Financial Condition and
        Results of  Operations . . . . . . . . . . . . . . . . . . . . .     9

PART    II. OTHER INFORMATION . . . . . . . . . . . . . . . . . . . . .     12 



                                                                    Page 2 of 14

<PAGE>


SEITEL, INC. AND SUBSIDIARIES
CONSOLIDATED BALANCE SHEETS
(In thousands, except share and per share amounts)
<TABLE>
<CAPTION>
                                                              (Unaudited)
                                                                June 30,           December 31,
                                                                  1995                1994
                                                              ---------             ---------
<S>                                                           <C>                   <C>    
ASSETS

  Cash and equivalents                                        $   1,746             $   1,541
  Receivables
    Trade                                                        41,006                37,098
    Notes and other                                               1,392                   329
  Net data bank                                                 103,434                95,801
  Net oil and gas properties                                     33,769                21,389
  Net geophysical and other property and equipment               10,338                11,067
  Prepaid expenses, deferred charges and other assets             2,993                 1,546
                                                              ---------             ---------
TOTAL ASSETS                                                  $ 194,678             $ 168,771
                                                              =========             =========

LIABILITIES AND STOCKHOLDERS' EQUITY

  Accounts payable and accrued liabilities                    $  30,761             $  32,649
  Income taxes payable                                              202                   933
  Bank debt
    Lines of Credit                                              23,555                 5,085
    Term Loan                                                     2,833                 3,231
  Obligations under capital leases                                4,347                 5,088
  Subordinated debentures                                         2,064                 3,523
  Deferred contractor payable                                     6,486                 9,698
  Contingent payables                                             2,932                 3,152
  Deferred income taxes                                           5,356                 3,502
  Deferred revenue                                                  363                   581
                                                              ---------             ---------
TOTAL LIABILITIES                                                78,899                67,442
                                                              ---------             ---------
CONTINGENCIES AND COMMITMENTS

STOCKHOLDERS' EQUITY
  Preferred stock, par value $.01 per share; authorized
    5,000,000 shares; none issued                                    --                    --
  Common stock, par value $.01 per share; authorized
    20,000,000 shares; issued and outstanding 9,315,982 and
    8,825,619 at June 30, 1995 and December 31, 1994,
    respectively                                                     93                    88
  Additional paid-in capital                                     83,741                75,611
  Retained earnings                                              33,572                27,257
  Treasury stock, 414 shares at cost at June 30, 1995 and
    December 31, 1994                                                (4)                   (4) 
  Notes receivable from officers and employees                   (1,551)               (1,551) 
  Cumulative translation adjustment                                 (72)                  (72) 
                                                              ---------             ---------
TOTAL STOCKHOLDERS' EQUITY                                      115,779               101,329
                                                              ---------             ---------
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY                    $ 194,678             $ 168,771
                                                              =========             =========
</TABLE>

                     The accompanying notes are an integral
                      part of these consolidated financial
                                  statements.

                                                                    Page 3 of 14
<PAGE>


SEITEL, INC. AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited)
(In thousands, except per share amounts)
<TABLE>
<CAPTION>

                                                                      Three Months Ended June 30,
                                                                      ---------------------------                          
                                                                         1995             1994
                                                                       --------         -------- 
<S>                                                                   <C>              <C>
REVENUE                                                                $ 24,535         $ 16,153
                                                                    
EXPENSES:
  Depreciation, depletion and amortization                                7,202            7,503
  Cost of sales                                                           6,412              924
  Selling, general and administrative expenses                            4,709            3,511
  Net interest expense                                                      909              826
                                                                       --------         --------
                                                                         19,232           12,764
                                                                       --------         --------

Income before provision for income taxes                                  5,303            3,389

Provision for income taxes                                                1,962            1,186
                                                                       --------         --------

NET INCOME                                                             $  3,341         $  2,203
                                                                       ========         ========
Earnings per share:
  Primary                                                              $    .34         $    .30
                                                                       ========         ========
  Assuming full dilution                                               $    .33         $    .27
                                                                       ========         ========
Weighted average number of common and common equivalent shares:
  Primary                                                                 9,929            7,426
                                                                       ========         ========
  Assuming full dilution                                                 10,170            8,669
                                                                       ========         ========
</TABLE>

                     The accompanying notes are an integral
                      part of these consolidated financial
                                  statements.


                                                                    Page 4 of 14

<PAGE>


SEITEL, INC. AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited)
(In thousands, except per share amounts)
<TABLE>
<CAPTION>

                                                            Six Months Ended June 30,
                                                            ------------------------- 
                                                              1995            1994
                                                            ---------      ---------
<S>                                                        <C>            <C>
REVENUE                                                     $  45,693      $ 28,751
                                                           
EXPENSES:
  Depreciation, depletion and amortization                     14,478        12,821
  Cost of sales                                                10,680         2,253
  Selling, general and administrative expenses                  8,790         6,160
  Net interest expense                                          1,721         1,594
                                                            ---------      --------
                                                               35,669        22,828
                                                            ---------      --------
Income before provision for income taxes                       10,024         5,923

Provision for income taxes                                      3,709         2,073
                                                            ---------      --------
NET INCOME                                                  $   6,315      $  3,850
                                                            =========      ========
                                                           

Earnings per share:
  Primary                                                   $     .65      $    .55
                                                            =========      ========
  Assuming full dilution                                    $     .63      $    .49
                                                            =========      ========

Weighted average number of common and common equivalent shares:
  Primary                                                       9,784         7,015
                                                            =========      ========
  Assuming full dilution                                       10,091         8,388
                                                            =========      ========

</TABLE>

                     The accompanying notes are an integral
                      part of these consolidated financial
                                  statements.


                                                                    Page 5 of 14
<PAGE>


SEITEL, INC. AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
(In thousands, except share amounts)
<TABLE>
<CAPTION>
                                                                                                               Notes
                                                                                                            Receivables
                                                  Common Stock     Additional               Treasury Stock     from      Cumulative
                                              ------------------    Paid-in    Retained   -----------------   Officers   Translation
                                               Shares    Amount     Capital    Earnings    Shares   Amount  & Employees  Adjustment
                                              --------- --------  ----------  ----------  -------- --------  ----------  ----------
<S>                                           <C>       <C>       <C>         <C>         <C>      <C>       <C>         <C>
BALANCE, DECEMBER 31, 1991                    5,438,250 $     55  $   22,555  $    8,741         - $      -  $        -  $        -

Proceeds from issuance of common stock           28,902        -         181           -         -        -           -           -
Sale of common stock through private offering   400,000        4       2,146           -         -        -      (2,150)          -
Cash dividends                                        -        -           -        (275)        -        -           -           -
Stock dividends                                 109,320        1         790        (791)        -        -           -           -
Foreign currency translation adjustment               -        -           -           -         -        -           -        (164)
Net income                                            -        -           -       4,550         -        -           -           -
                                              --------- --------  ----------  ----------  -------- --------  ----------  ----------
BALANCE, DECEMBER 31, 1992                    5,976,472       60      25,672      12,225         -        -      (2,150)       (164)

Proceeds from issuance of common stock           10,916        -          37           -         -        -           -           -
Payments received on notes receivable from
  officers and employees                              -        -           -           -      (414)      (4)        111           -
Foreign currency translation adjustment               -        -           -           -         -        -           -          79
Net income                                            -        -           -       5,717         -        -           -           -
                                              --------- --------  ----------  ----------  -------- --------  ----------  ----------

BALANCE, DECEMBER 31, 1993                    5,987,388       60      25,709      17,942      (414)      (4)     (2,039)        (85)

Sale of Common stock through public offering  1,061,200       11      31,906           -         -        -           -           -
Proceeds from issuance of common stock          770,364        7       7,280           -         -        -           -           -
Tax reduction from exercise of stock options          -        -       1,879           -         -        -           -           -
Conversions and exchanges of subordinated
  debentures                                  1,006,667       10       8,837           -         -        -           -           -
Payments received on notes receivable from
  officers and employees                              -        -           -           -         -        -         488           -
Foreign currency translation adjustment               -        -           -           -         -        -           -          13
Net income                                            -        -           -       9,315         -        -           -           -
                                              --------- --------  ----------  ----------  -------- --------  ----------  ----------

BALANCE, DECEMBER 31, 1994                    8,825,619       88      75,611      27,257      (414)      (4)     (1,551)        (72)

Proceeds from issuance of common stock          333,147        3       5,143           -         -        -           -           -
Tax reduction from exercise of stock options          -        -       1,641           -         -        -           -           -
Conversions and exchanges of subordinated
  debentures                                    157,216        2       1,346           -         -        -           -           -
Net income                                            -        -           -       6,315         -        -           -           -
                                              --------- --------  ----------  ----------  -------- --------  ----------  ----------
BALANCE JUNE 30, 1995 (Unaudited)             9,315,982 $     93  $   83,741  $   33,572      (414)$     (4)  $  (1,551)  $     (72)
                                              ========= ========  ==========  ==========  ======== ========  ==========  ========== 

</TABLE>

       The accompanying notes are an integral part of these consolidated
                             financial statements.


                                                                    Page 6 of 14


<PAGE>



SEITEL, INC. AND SUBSIDIARIES
CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited)
(In thousands)
<TABLE>
<CAPTION>
                                                                            Six Months Ended June 30,
                                                                            -------------------------
                                                                              1995            1994
                                                                            ---------      ---------
<S>                                                                         <C>            <C>            
Cash flows from operating activities:
  Cash received from customers                                              $  40,567      $  24,476
  Cash paid to suppliers and employees                                        (18,329)        (7,775)
  Interest paid                                                                  (503)        (1,267)
  Interest received                                                                13             12
  Income taxes paid                                                            (2,452)          (220)
                                                                            ---------      ---------  
    Net cash provided by operating activities                                  19,296         15,226
                                                                            ---------      ---------  
Cash flows from investing activities:
  Cash invested in seismic data                                               (27,376)       (19,795)
  Cash invested in oil and gas properties                                     (12,261)        (6,959)
  Cash paid to acquire property and equipment                                    (761)          (359)
  Advances made to oil and gas joint venture partner                           (1,142)             -
                                                                            ---------      ---------
    Net cash used in investing activities                                     (41,540)       (27,113)
                                                                            ---------      ---------
Cash flows from financing activities:
  Borrowings under line of credit agreements                                   41,489         36,274
  Principal payments under line of credit                                     (23,019)       (30,047)
  Principal payments on term loan                                                (398)          (375)
  Principal payments on capital lease obligations                                (751)           (29)
  Proceeds from issuance of common stock                                        5,173          6,205
  Costs of debt and equity transactions                                           (45)           (56)
  Payments on receivables from officers and employees                               -            318
                                                                            ---------      ---------
    Net cash provided by financing activities                                  22,449         12,290
                                                                            ---------      ---------
Effect of exchange rate changes                                                     -              3
                                                                            ---------      ---------
Net increase in cash and equivalents                                              205            406
Cash and cash equivalents at beginning of period                                1,541          1,759
                                                                            ---------      ---------
Cash and cash equivalents at end of period                                  $   1,746      $   2,165 
                                                                            =========      =========

Reconciliation of net income to net cash provided by operating activities:
Net income                                                                  $   6,315      $   3,850
Adjustments to reconcile net income to net cash provided by
  operating activities:
  Depreciation, depletion and amortization                                     14,708         12,951
  Non-cash sales                                                               (1,000)          (125)
  Increase in receivables                                                      (3,908)        (7,993)
  Increase in other assets                                                     (1,578)          (724)
  Increase in other liabilities                                                 4,759          7,267
                                                                            ---------      ---------
    Total adjustments                                                          12,981         11,376
                                                                            ---------      ---------
Net cash provided by operating activities                                   $  19,296      $  15,226
                                                                            =========      =========
</TABLE>

                  The accompanying notes are an integral part
                  of these consolidated financial statements.

                                                                    Page 7 of 14

<PAGE>


SEITEL, INC. AND SUBSIDIARIES

NOTES TO CONSOLIDATED INTERIM FINANCIAL STATEMENTS (Unaudited)
June 30, 1995

NOTE A-BASIS OF PRESENTATION

        The accompanying  unaudited  financial  statements have been prepared in
accordance with generally accepted  accounting  principles for interim financial
information and with the  instructions of Regulation S-X.  Accordingly,  they do
not include all of the  information  and notes  required by  generally  accepted
accounting  principles  for  complete  financial  statements.  In the opinion of
management, all adjustments (consisting of normal recurring accruals) considered
necessary for a fair presentation have been included.  Certain reclassifications
have been  made to the  amounts  in the prior  year's  financial  statements  to
conform to the current year's presentation. Operating results for the six months
ended June 30, 1995 are not  necessarily  indicative  of the results that may be
expected for the year ending December 31, 1995. For further  information,  refer
to the financial  statements  and notes thereto for the year ended  December 31,
1994.


NOTE B-EARNINGS PER SHARE

        Earnings  per  share  is  based  on  the  weighted   average  number  of
outstanding  shares of common stock  during the  respective  periods,  including
common  equivalent  shares  applicable to assumed  exercise of stock options and
warrants  when such common stock  equivalents  are  dilutive,  and the Company's
other potentially dilutive securities.

        Earnings per share was  determined  by dividing net income,  as adjusted
below, by applicable shares outstanding (in thousands):
<TABLE>
<CAPTION>

                                          Three Months Ended June 30,     Six Months Ended June 30,
                                         ----------------------------    ---------------------------
                                           1995                1994          1994              1994
                                         --------           ---------     --------          --------
<S>                                      <C>                <C>           <C>               <C>    
Net income as reported                   $  3,341           $   2,203     $  6,315          $  3,850
Interest eliminated on
  assumed conversion of 9%
  convertible subordinated
  debentures                                   25                 149           50               278
                                         --------           ---------     --------          --------
Total income used for fully
  diluted earnings per share             $  3,366           $   2,352     $  6,365          $  4,128
                                         ========           =========     ========          ========
Weighted average number of
  common and common
  equivalent shares                         9,929               7,426        9,784             7,015
                                         ========           =========     ========          ========
Weighted average number of
  common shares-assuming
  full dilution                            10,170               8,669       10,091             8,388
                                         ========           =========     ========          ========
</TABLE>

NOTE C-DATA BANK

        Costs  incurred  in  the  creation  of  proprietary   seismic  data  are
capitalized.  Seismic data costs are  amortized for each seismic data program in
the proportion  that the program's  revenue for a period relates to management's
estimate of the program's  ultimate  revenue.  Since  inception,  management has
established guidelines regarding its annual charge for amortization. Under these
guidelines, 90% of the cost incurred in the creation of proprietary seismic data
is amortized within five years of inception, and the final 10% is amortized on a
straight-line basis over fifteen years. Costs of existing seismic data libraries
purchased  by the  Company  are fully  amortized  within  ten years from date of
purchase.  On a periodic basis,  the carrying value of each seismic data program
is compared to its estimated  future revenue and, if appropriate,  is reduced to
its estimated net realizable value. 
                                                                    Page 8 of 14
<PAGE>

NOTE D-OIL AND GAS PROPERTIES

        The Company  accounts  for its oil and gas  exploration  and  production
activities  using the full-cost  method of  accounting.  Under this method,  all
costs  associated with  acquisition,  exploration and development of oil and gas
reserves are capitalized, including directly related overhead costs and interest
costs  related  to its  unevaluated  properties  and  certain  properties  under
development  which are not currently being  amortized.  For the six months ended
June 30,  1995 and  1994,  general  and  administrative  costs of  $401,000  and
$353,000, respectively, have been capitalized to oil and gas properties. For the
six months ended June 30, 1995, interest costs of $304,000 have been capitalized
to oil and gas properties.

NOTE E-SUPPLEMENTAL CASH FLOW INFORMATION

Significant non-cash investing and financing activities are as follows:

         1.   During the first six months of 1995 and 1994,  the Company  issued
              157,216 and 143,420 shares, respectively, of its common stock upon
              the  conversion   and  exchange  of  $1,457,000  and   $1,331,000,
              respectively,  of its 9% convertible subordinated  debentures.  In
              connection with these conversions and exchanges,  unamortized bond
              issue costs  totaling  $93,000 during the first six months of 1995
              have been charged to additional paid-in-capital.

         2.   During the first six months of 1995 and 1994, the Company licensed
              seismic data valued at $1,000,000 and $125,000, respectively, in 
              exchange for the purchase of seismic data for its library.

         3.   During the first six months of 1995 and 1994, capital lease
              obligations totaling $10,000 and $4,797,000, respectively, were
              incurred when the Company entered into leases for property and 
              equipment.

Item 2.  MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION          
                  AND RESULTS OF OPERATIONS
--------------------------------------------------------------------------------

RESULTS OF OPERATIONS
---------------------

        Total revenue  increased 52% and 59% during the second quarter and first
six months of 1995,  respectively,  as compared to the second  quarter and first
six months of 1994.  Revenue primarily  consists of revenue generated from three
niche-energy  businesses  -  seismic,   exploration  and  production,   and  gas
marketing.  The  majority  of  revenue in the 1995 and 1994  periods  relates to
seismic revenue,  increasing from $15,714,000  during the second quarter of 1994
to $21,193,000 during the second quarter of 1995 and increasing from $28,044,000
during the first six months of 1994 to  $36,990,000  during the first six months
of 1995.  These  increases  are  attributable  to  increases  in sales from both
two-dimensional  (2D) and  three-dimensional  (3D) seismic data.  The balance of
revenue relates to oil and gas production,  and gas marketing activities,  which
increased  from  $439,000  in the second  quarter of 1994 to  $3,342,000  in the
second  quarter of 1995 and increased from $707,000 in the first half of 1994 to
$8,703,000 in the first half of 1995 due to the increased  volume of business in
these areas.

        Depreciation, depletion and amortization consists primarily of data bank
amortization.  Refer to Note C for a description  of the Company's  amortization
policy.  Data bank  amortization  decreased  from  $7,134,000  during the second
quarter of 1994 to  $6,637,000  during the second  quarter of 1995 and increased
from  $12,181,000  to  $13,380,000  for the first  six  months of 1994 and 1995,
respectively.  As a percentage of revenue from licensing seismic data, data bank
amortization  was  44%  and  49%  for the  second  quarter  of  1995  and  1994,
respectively,  and 44%  and 48% for the  first  six  months  of 1995  and  1994,
respectively.  These  changes are primarily due to the mix of sales of 2D and 3D
data amortized at varying  percentages  based on each data program's current and
expected future revenue stream.

        Cost of sales consists of expenses  associated  with the  acquisition of
seismic data for non-affiliated  parties,  seismic resale support services,  oil
and gas production,  and gas marketing activities. The increase in cost of sales

                                                                    Page 9 of 14
<PAGE>

from  $924,000  to  $6,412,000   for  the  second  quarter  of  1994  and  1995,
respectively,  and from  $2,253,000 to  $10,680,000  for the first six months of
1994 and  1995,  respectively,  is due to the  Company's  increasing  volume  of
business in these areas. Revenues from these areas increased from $1,308,000, to
$9,241,000  during  the  second  quarter  of 1994 and  1995,  respectively,  and
increased from $2,802,000 to $14,786,000 during the first six months of 1994 and
1995, respectively.

        The Company's  selling,  general and  administrative  expenses increased
during the 1995 periods as compared to the 1994 periods primarily as a result of
the addition of new  employees,  marketing  expenses and incentive  compensation
directly  related  to the  increased  volume of  business,  as well as  expenses
related to the Company's  expansions in the 3D seismic data, gas marketing,  and
oil and gas exploration and production  areas. As a percentage of total revenue,
these expenses have decreased from 22% for the second quarter of 1994 to 19% for
the second  quarter of 1995,  and decreased from 21% for the first six months of
1994 to 19% for the first six months of 1995.

LIQUIDITY AND CAPITAL RESOURCES
-------------------------------

        The  Company  filed a  registration  statement  on Form S-3 (the  "Shelf
Registration  Statement") in June 1994 to offer from time to time in one or more
series (i) unsecured debt securities, which may be senior or subordinated,  (ii)
preferred  stock,  par value $0.01 per share,  and (iii) common stock, par value
$.01 per share,  or any  combination of the foregoing,  at an aggregate  initial
offering price not to exceed $75,000,000.  The Shelf Registration  Statement was
declared  effective by the Securities and Exchange  Commission on June 30, 1994.
On August 4, 1994, and August 18, 1994, the Company  completed a public offering
of 1,000,000 shares and 61,200 shares, respectively,  of its common stock priced
at $32 per share pursuant to the Shelf Registration Statement.  The net proceeds
from the offering (after underwriting  commission and offering expenses) totaled
$31,917,000.  After this sale of common stock at an initial  aggregate  offering
price of $33,958,400,  the Company may offer additional securities in the future
for up to an aggregate  initial  offering price of  $41,041,600  pursuant to the
Shelf Registration Statement.

        On May 4, 1995,  the Company  increased its revolving  line of credit to
$25,000,000,  added a LIBOR interest rate option and extended the maturity.  The
increased  revolving line of credit bears interest at the prevailing  prime rate
or  LIBOR  plus  2% (the  "LIBOR  rate"),  is  collateralized  by both  accounts
receivable  and the seismic data library and is available for general  corporate
purposes.  The Company may borrow up to  $10,000,000  on the  revolving  line of
credit based on seismic data library  collateral and up to $25,000,000  based on
accounts  receivable  collateral,  the total of which cannot exceed $25,000,000.
The banking  facility was effective as of December 31, 1994, and matures June 1,
1997.  The  balance  outstanding  on the  revolving  line of credit  amounted to
$18,979,000  at August 9, 1995,  of which  $11,000,000  is borrowed at the LIBOR
rate of  7.875%,  $5,000,000  is  borrowed  at the LIBOR rate of  $8.0625%,  and
$2,979,000 is borrowed at the prime rate. The banking  facility  imposes certain
financial  covenants  upon the  Company  which  include  covenants  relating  to
leverage,  net worth and working  capital,  as well as certain  restrictions  on
dividends,  liens,  additional debt or lease  obligations and the acquisition or
disposition of major assets.  Such covenants are not anticipated to restrict the
Company's ability to borrow funds under the facility.

        On June 14,  1995,  DDD Energy,  Inc.  ("DDD  Energy"),  a  wholly-owned
subsidiary of the Company,  received a loan  facility from the Company's  banks.
Under the terms of this  facility,  DDD Energy has a reducing  revolving line of
credit,  the amount of which is determined by the banks'  semi-annual  review of
DDD Energy's oil and gas reserves securing the facility.  The master note amount
pursuant to the  facility is  $75,000,000,  but  amounts  outstanding  under the
facility are limited to the oil and gas reserve  borrowing base, and are subject
to interest,  at the Company's  option,  at either the prevailing  prime rate or
LIBOR  plus 2% (the  "LIBOR  rate").  The  initial  borrowing  base,  which  was
determined  before 1994 year-end oil and gas reserve  information was available,
amounted to $5,350,000,  reducing by $120,000 per month  beginning July 1, 1995.
The balance  outstanding on the reducing  revolving  line of credit  amounted to
$5,110,000 at August 9, 1995, of which  $4,630,000 is borrowed at the LIBOR rate
of  8.0625%,  and  $480,000  is  borrowed  at the LIBOR  rate of  7.9375%.  Upon
completion  of the banks'  pending  review of DDD Energy's oil and gas reserves,
the Company expects  additional  funds to become available for use by the end of
August 1995. Funds available under the facility will be used to repay

                                                                   Page 10 of 14
<PAGE>

advances from the Company and for reserve acquisitions and development drilling.
The facility matures on June 1, 1997 and is guaranteed by the Company.

        On July 15, 1993, a  wholly-owned  subsidiary of the Company  obtained a
$4,300,000,  five year term loan  bearing  interest at the rate of 7.61% for the
purchase  of a 3D  seismic  recording  system.  The  debt  is  secured  by  such
equipment.  Monthly principal and interest payments began on August 1, 1993. The
balance outstanding on the term loan at August 9, 1995, was $2,696,000.

        From  January 1, 1995  through  August 9,  1995,  the  Company  received
$5,213,000 from the exercise of common stock purchase  warrants and options.  In
connection  with the  exercises,  the Company  will also  receive  approximately
$1,641,000 in tax savings.

        In October  1994,  the  Company  called for  redemption  of its  12-1/2%
subordinated  debentures,  thereby  eliminating future interest and sinking fund
payments.  The Company's 9% convertible  debentures,  amounting to $2,044,000 at
August 9, 1995,  require  semi-annual  interest payments (March 31 and September
30) and,  beginning March 31, 1997, annual sinking fund payments equal to 10% of
the principal amount of the debentures then outstanding.

        During 1994 and 1995,  the Company  entered  into  capital  leases which
relate to the purchase of a second 3D seismic  recording system and seismic data
processing center.  These lease agreements are for terms of three to five years.
Monthly  principal  and interest  payments  total  approximately  $125,000.  The
balance  outstanding  under these capital lease  obligations  was  $4,146,000 at
August 9, 1995.

        The  Company  has  entered  into  payment  arrangements  with one of its
contractors for seismic  acquisition  services which require the Company to make
payments  only  when  sales  on  the  related   seismic  project  are  collected
(contingent payables), or allow the Company to make payments as sales of related
seismic projects are collected until July 1, 1996, at which time any outstanding
balance would be due (deferred  contractor  payable).  In connection  with these
arrangements,  the Company had $1,684,000 in receivables at June 30, 1995, which
will be paid to the contractor upon  collection.  Accordingly,  the same amount,
$1,684,000,  was included in the Company's regular accounts payable. The Company
has a verbal  payment  arrangement  with the contractor on certain other seismic
acquisition  projects pursuant to which payments to the contractor are made only
when sales of the related  seismic  projects  are  collected.  At June 30, 1995,
accounts  receivable  included  $272,000  dedicated to payment  pursuant to this
verbal arrangement, while regular accounts payable included the full balance due
the contractor of $8,251,000.  Amounts owed to this  contractor bear interest at
the prime rate or the prime rate plus 1%, except for  contingent  payables which
bear no interest. Management anticipates that sales from these projects will pay
in full the amounts owed to the contractor.

        During  the  first  six  months  of 1995,  cash  from  operations,  bank
borrowings and proceeds from the exercise of common stock purchase  warrants and
options  funded the third party seismic data creation costs borne by the Company
and oil and gas exploration,  as well as taxes, interest expenses, cost of sales
and general and administrative  expenses. The Company believes its revenues from
operating  sources and  proceeds  from the  exercise of  warrants  and  options,
combined with its available lines of credit, should be sufficient to fund all of
its internal operations and related capital expenditures for 1995. To the extent
these sources are not  sufficient to cover the Company's  expenses,  it would be
necessary for the Company to arrange for  additional  debt or equity  financing.
There can be no assurance  that the Company would be able to accomplish any such
debt or equity financing on terms satisfactory to it.

                                                                   Page 11 of 14
<PAGE>



                          PART II - OTHER INFORMATION
                          ---------------------------


Item 1. Legal Proceedings.
--------------------------

        On May 25,  1995,  Seitel  Geophysical,  Inc.  ("SGI"),  a  wholly-owned
subsidiary of the Company,  filed suit in United States  District  Court for the
Eastern  District  of  Louisiana   against   Greenhill   Petroleum   Corporation
("Greenhill")  for breach of contract.  SGI is seeking to recover  approximately
$1.4 million owed by  Greenhill  to SGI for seismic  data  acquisition  services
provided to Greenhill by SGI in 1994 in connection  with a 3D seismic data shoot
in southern Louisiana.  Greenhill has answered in this suit by generally denying
SGI's  allegations and by asserting a counter-claim  against SGI.  Greenhill has
already  paid SGI in  excess  of $7  million  under  the  contract,  and SGI has
provided the seismic data acquired pursuant to the contract to Greenhill.  While
the outcome of this litigation  cannot be predicted with certainty at this early
stage, the Company believes that it will prevail on its claims against Greenhill
and that Greenhill's counterclaims are without merit.

Items 2., 3., 4., and 5.   Not applicable.
------------------------

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

(a)     10.1   Credit  Agreement  dated June 14, 1995,  between DDD Energy, Inc.
               (Company's   wholly-owned   subsidiary)  and   Bank  One,  Texas,
               National  Association,  as a Bank and the Agent and Compass Bank-
               Houston, as a Bank

        10.2   Promissory  Note  dated  June 14,  1995,  in the face  amount  of
               $37,500,000, executed by DDD Energy, Inc. (Company's wholly-owned
               subsidiary) and payable to the order of Bank One, Texas, National
               Association

        10.3   Promissory  Note  dated  June 14,  1995,  in the face  amount  of
               $37,500,000, executed by DDD Energy, Inc. (Company's wholly-owned
               subsidiary) and payable to the order of Compass Bank-Houston

        10.4   Guaranty  dated June 14, 1995,  by Seitel,  Inc. in favor of Bank
               One, Texas, National  Association,  Individually and as Agent and
               Compass Bank-Houston, as a Bank

        10.5   Security Agreement (Stock Pledge) dated June 14, 1995, by Seitel,
               Inc. in favor of Bank One, Texas, National Association, as Agent

        10.6   Seitel, Inc. 1995 Shareholder Value Incentive Bonus Plan

        10.7   Amendment No. 1 to the Seitel,  Inc. 1993 Incentive  Stock Option
               Plan

        10.8   Seitel, Inc. 1995 Warrant Reload Plan


(b)     Not applicable

                                                                   Page 12 of 14

<PAGE>



                                   SIGNATURES


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


                                   SEITEL, INC.





Dated:   August 11, 1995           /s/ Paul A. Frame
                                   ---------------------
                                   Paul A. Frame
                                   President and Chief Executive Officer





Dated:   August 11, 1995           /s/ Debra D. Valice
                                   ---------------------
                                   Debra D. Valice
                                   Chief Financial Officer





Dated:   August 11, 1995           /s/ Marcia H. Kendrick
                                   ----------------------
                                   Marcia H. Kendrick
                                   Chief Accounting Officer

                                                                   Page 13 of 14
<PAGE>





                                   EXHIBIT INDEX                   

10.1      Credit  Agreement  dated  June 14,  1995,  between  DDD  Energy,  Inc.
          (Company's  wholly-owned  subsidiary)  and Bank One,  Texas,  National
          Association,  as a Bank and the Agent and Compass Bank- Houston,  as a
          Bank

10.2      Promissory   Note  dated  June  14,  1995,   in  the  face  amount  of
          $37,500,000,  executed by DDD  Energy,  Inc.  (Company's  wholly-owned
          subsidiary)  and  payable  to the order of Bank One,  Texas,  National
          Association

10.3      Promissory   Note  dated  June  14,  1995,   in  the  face  amount  of
          $37,500,000,  executed by DDD  Energy,  Inc.  (Company's  wholly-owned
          subsidiary) and payable to the order of Compass Bank- Houston

10.4      Guaranty  dated June 14, 1995,  by Seitel,  Inc. in favor of Bank One,
          Texas,  National  Association,  Individually  and as Agent and Compass
          Bank-Houston, as a Bank

10.5      Security Agreement (Stock Pledge) dated June 14, 1995, by Seitel, Inc.
          in favor of Bank One, Texas, National Association, as Agent

10.6      Seitel, Inc. 1995 Shareholder Value Incentive Bonus Plan

10.7      Amendment No. 1 to the Seitel, Inc. 1993 Incentive Stock Option Plan

10.8      Seitel, Inc. 1995 Warrant Reload Plan


                                                                   Page 14 of 14






                                CREDIT AGREEMENT



                                    BETWEEN



                                DDD ENERGY, INC.



                                      AND



                     BANK ONE, TEXAS, NATIONAL ASSOCIATION
                            as a Bank and the Agent



                                      AND



                             COMPASS BANK - HOUSTON
                                   as a Bank



                                 June 14, 1995






         REDUCING REVOLVING LINE OF CREDIT OF UP TO $75,000,000.00








<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          General Terms......................................... 17
         2.3          Use of Loan Proceeds.................................. 18
         2.4          Interest.............................................. 18
         2.5          Repayment of Loans and Interest....................... 19
         2.6          Outstanding Amounts................................... 19
         2.7          Time, Place, and Method of Payments................... 20
         2.8          Borrowing Base Determinations......................... 20
         2.9          Mandatory Prepayments................................. 21
         2.10         Voluntary Prepayments and Conversions of Loans........ 21
         2.11         Commitment Fee........................................ 21
         2.12         Facility Fee.......................................... 22
         2.13         Engineering Fee....................................... 22
         2.14         Loans to Satisfy Obligations of Borrower.............. 22
         2.15         Security Interest in Accounts; Right of Offset........ 22
         2.16         General Provisions Relating to Interest............... 23
         2.17         Yield Protection...................................... 24
         2.18         Limitation on Types of Loans.......................... 25
         2.19         Illegality............................................ 25
         2.20         Regulatory Change..................................... 25
         2.21         Limitations on Interest Periods....................... 26
         2.22         Letters in Lieu of Transfer Orders.................... 26
         2.23         Power of Attorney..................................... 26

ARTICLE III           CONDITIONS
         3.1          Receipt of Loan Documents and Other Items............. 27
         3.2          Each Loan............................................. 30

ARTICLE IV            REPRESENTATIONS AND WARRANTIES
         4.1          Due Authorization..................................... 32
         4.2          Corporate Existence................................... 32
         4.3          Valid and Binding Obligations......................... 32
         4.4          Security Instruments.................................. 32
         4.5          Title to Assets....................................... 33
         4.6          Scope and Accuracy of Financial Statements............ 33
         4.7          No Material Misstatements............................. 33
         4.8          Liabilities, Litigation, and Restrictions............. 33



                                    -i-

<PAGE>



         4.9          Authorizations; Consents.............................. 33
         4.10         Compliance with Laws.................................. 33
         4.11         ERISA................................................. 34
         4.12         Environmental Laws.................................... 34
         4.13         Compliance with Federal Reserve Regulations........... 34
         4.14         Investment Company Act Compliance..................... 34
         4.15         Public Utility Holding Company Act Compliance......... 35
         4.16         Proper Filing of Tax Returns; Payment of Taxes
                      Due................................................... 35
         4.17         Refunds............................................... 35
         4.18         Gas Contracts......................................... 35
         4.19         Intellectual Property................................. 35
         4.20         Casualties or Taking of Property...................... 36
         4.21         Locations of Borrower................................. 36

ARTICLE V                  AFFIRMATIVE COVENANTS
         5.1          Maintenance and Access to Records..................... 36
         5.2          Quarterly Financial Statements of Borrower;
                      Compliance Certificates............................... 36
         5.3          Annual Financial Statements of Borrower............... 37
         5.4          Quarterly Financial Statements of Guarantor........... 37
         5.5          Annual Financial Statements of Guarantor.............. 37
         5.6          Quarterly Financial Statements of Redman-
                      Smackover Joint Venture............................... 37
         5.7          Oil and Gas Reserve Reports........................... 37
         5.8          Title Opinions; Title Defects......................... 38
         5.9          Notices of Certain Events............................. 38
         5.10         Letters in Lieu of Transfer Orders; Division
                      Orders................................................ 39
         5.11         Additional Information................................ 40
         5.12         Compliance with Laws.................................. 40
         5.13         Payment of Assessments and Charges.................... 40
         5.14         Maintenance of Corporate Existence and Good
                      Standing.............................................. 40
         5.15         Payment of Bank One Note and the Compass Note;
                      Performance of Obligations............................ 41
         5.16         Further Assurances.................................... 41
         5.17         Initial Fees and Expenses of Counsel to Agent......... 41
         5.18         Subsequent Fees and Expenses of Agent................. 41
         5.19         Operation of Oil and Gas Properties................... 42
         5.20         Maintenance and Inspection of Properties.............. 42
         5.21         Maintenance of Insurance.............................. 42
         5.22         INDEMNIFICATION....................................... 43
         5.23         Accounts Payable and Accounts Receivable Aging
                      Report................................................ 44
         5.24         Production Receipts................................... 44

ARTICLE VI            NEGATIVE COVENANTS
         6.1          Indebtedness.......................................... 44
         6.2          Contingent Obligations................................ 44
         6.3          Liens................................................. 44



                                   -ii-

<PAGE>



         6.4          Sales of Collateral................................... 44
         6.5          Loans or Advances..................................... 45
         6.6          Loans or Advances from Guarantor and Affiliates....... 45
         6.7          Investments........................................... 45
         6.8          Dividends and Distributions........................... 45
         6.9          Transactions with Affiliates.......................... 46
         6.10         Lines of Business..................................... 46
         6.11         Change in Ownership................................... 46
         6.12         Issuance of Stock; Changes in Corporate
                      Structure............................................. 46
         6.13         Amendment of Redman-Smackover Joint Venture........... 46
         6.14         Tangible Net Worth.................................... 47
         6.15         Cash Flow Coverage Ratio of Borrower.................. 47

ARTICLE VII           EVENTS OF DEFAULT
         7.1          Enumeration of Events of Default...................... 47
         7.2          Remedies.............................................. 50

ARTICLE VIII               THE AGENT
         8.1          Appointment........................................... 51
         8.2          Delegation of Duties.................................. 51
         8.3          Exculpatory Provisions................................ 51
         8.4          Reliance by Agent..................................... 52
         8.5          Notice of Default..................................... 52
         8.6          Non-Reliance on Agent and Other Banks................. 53
         8.7          INDEMNIFICATION....................................... 53
         8.8          Restitution........................................... 54
         8.9          Agent in Its Individual Capacity...................... 55
         8.10         Successor Agent....................................... 55
         8.11         Applicable Parties.................................... 55

ARTICLE IX            MISCELLANEOUS
         9.1          Amendments and Waivers................................ 55
         9.2          Security Interest in Deposits and Right of Offset
                      or Banker's Lien...................................... 56
         9.3          Adjustments........................................... 57
         9.4          Transfers and Participations.......................... 58
         9.5          Survival of Representations, Warranties, and
                      Covenants............................................. 58
         9.6          Notices and Other Communications...................... 58
         9.7          Parties in Interest................................... 59
         9.8          Rights of Third Parties............................... 60
         9.9          Renewals; Extensions.................................. 60
         9.10         No Waiver; Rights Cumulative.......................... 60
         9.11         Survival Upon Unenforceability........................ 60
         9.12         Amendments; Waivers................................... 61
         9.13         Controlling Agreement................................. 61
         9.14         Disposition of Collateral............................. 61
         9.15         GOVERNING LAW......................................... 61
         9.16         JURISDICTION AND VENUE................................ 61
         9.17         WAIVER OF RIGHTS TO JURY TRIAL........................ 61



                                   -iii-

<PAGE>


         9.18         ENTIRE AGREEMENT...................................... 62
         9.19         Counterparts.......................................... 62


LIST OF EXHIBITS

Exhibit I          -        Form of Bank One Note
Exhibit II         -        Form of Compass Bank Note
Exhibit III        -        Form of Borrowing Request
Exhibit IV         -        Form of Compliance Certificate
Exhibit V          -        Form of Opinion of Counsel
Exhibit VI         -        Disclosures





                                   -iv-

<PAGE>


                                CREDIT AGREEMENT


                  THIS CREDIT  AGREEMENT  is made and entered into this 14th day
of June,  1995,  by and between DDD ENERGY,  INC., a Delaware  corporation  (the
"Borrower"),  and BANK ONE,  TEXAS,  NATIONAL  ASSOCIATION,  a national  banking
association  ("Bank One"),  and COMPASS  BANK-HOUSTON,  a Texas state  chartered
banking  institution  ("Compass"),  with Bank One,  Compass,  and each financial
institution  that  becomes a party hereto or entitled to benefits and subject to
obligations  hereunder  subsequent  to  the  date  hereof  (each  a  "Bank"  and
collectively,  the  "Banks"),  and Bank  One,  as agent  for the  Banks (in such
capacity  and together  with any  successors  designated  pursuant  hereto,  the
"Agent").


                              W I T N E S S E T H:

                  In consideration of the mutual covenants and agreements herein
contained, the Borrower and the Banks hereby agree as follows:


                                   ARTICLE I

                         DEFINITIONS AND INTERPRETATION

                  1.1 Terms Defined Above. As used in this Credit Agreement, the
terms "Agent", "Bank", "Banks",  "Borrower", "Bank One" and "Compass" 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:

                  "Adjusted  LIBO Rate" shall mean,  for any LIBO Rate Loan,  an
         interest rate per annum (rounded upwards, if necessary,  to the nearest
         1/100 of 1%) determined by the Banks to be equal to the sum of the LIBO
         Rate  for  such  Loan  plus  the  Applicable  Margin,  but in no  event
         exceeding the Highest Lawful Rate.

                  "Affiliate"  shall  mean any  Person  directly  or  indirectly
         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.   ss.240.12b-2  ("Rule  12b-2")  of  the
         Securities Exchange Act of 1934, as amended, with "control," as used in
         this definition, having the meaning set forth in Rule 12b-2.



<PAGE>




                  "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 type of Loan,
         the  lending  office  of the  Banks  (or  an  affiliate  of the  Banks)
         designated for such type of Loan on the signature  pages hereof or such
         other  office of the Banks (or an  affiliate of the Banks) as the Banks
         may from time to time  specify to the  Borrower  as the office by which
         Loans of such type are to be made and maintained.

                  "Applicable  Margin" shall mean as to each LIBO Rate Loan, two
         percent (2.00%).

                  "Available  Commitment"  shall  mean,  at any time,  an amount
         equal to the remainder, if any, of the Borrowing Base in effect at such
         time minus the Loan Balance at such time.

                  "Bank One Note" shall mean the promissory note of the Borrower
         payable  to the order of Bank One in the form  attached  as  Exhibit I,
         together with all renewals,  extensions for any period,  increases, and
         rearrangements thereof.

                  "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 any change in such
         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 Agent in accordance with Section and then in effect.

                  "Borrowing  Request"  shall  mean  each  written  request,  in
         substantially  the form attached hereto as Exhibit III, by the Borrower
         to the Agent confirmed by a telephone call from Borrower to Agent for a
         borrowing,  conversion, or prepayment pursuant to Sections or , each of
         which shall:

                       (a)  be  signed  by a  Responsible  Officer  of  the
                  Borrower; 

                       (b) specify  the amount and type of Loan  requested,
                  and, as  applicable,  the Loan to be converted or prepaid
                  and the date of the

                                     2

<PAGE>



                  borrowing, conversion, or prepayment (which shall be a
                  Business Day);

                       (c)  when   requesting  a  Floating  Rate  Loan,  be
                  delivered to the Agent no later than 10:00 a.m.,  Central
                  Standard or Daylight Savings Time, as the case may be, on
                  the Business Day of the requested borrowing,  conversion,
                  or prepayment; and

                       (d) when  requesting a LIBO Rate Loan,  be delivered
                  to the Agent no later than 10:00 a.m.,  Central  Standard
                  or  Daylight  Savings  Time,  as the  case  may  be,  one
                  Business   Day   preceding   the   requested   borrowing,
                  conversion,  or  prepayment  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.

                  "Cash  Flow" shall  mean,  for any  period,  net income of the
         Borrower for such period plus  depreciation,  amortization,  depletion,
         and other non-cash expenses of the Borrower,  less non-cash income, for
         such period.

                  "Closing Date" shall mean the effective date of this
         Agreement.

                  "Collateral" shall mean the Mortgaged Properties and any other
         Property  including,  but not limited to,  Borrower's and 80% of Redman
         Energy Corporation's  interest in the  Redman-Smackover  Joint Venture,
         now or at any time used or  intended  as  security  for the  payment or
         performance of all or any portion of the Obligations.

                  "Commitment" shall mean the obligation of each Bank, according
         to their Commitment Percentage and, subject to applicable provisions of
         this  Agreement,  to make Loans to or for the  benefit of the  Borrower
         pursuant to Section .




                                     3

<PAGE>



                  "Commitment  Fee" shall mean each fee  payable to the Banks by
         the Borrower pursuant to Section .

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

                  "Commitment Percentage" shall mean as to Bank One, 50% and
         Compass, 50%.

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

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

                  "Compass Note" shall mean the promissory  note of the Borrower
         payable  to the order of Compass in the form  attached  as Exhibit  II,
         together with all renewals,  extensions for any period,  increases, and
         rearrangements thereof.

                  "Compliance   Certificate"   shall   mean  each   certificate,
         substantially  in the form attached hereto as Exhibit IV, executed by a
         Responsible  Officer of the  Borrower  and  furnished to the Agent from
         time to time in accordance with Section .

                  "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



                                     4

<PAGE>



         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,  unless the
         amount  of such  Contingent  Obligation  is  specifically  limited,  by
         contract or  otherwise,  in which  event the amount of such  Contingent
         Obligation shall be the amount to which it is limited.

                  "Debt  Service"  shall mean an amount  equal to the greater of
         (a) the required payments due on the Bank One Note and the Compass Note
         or (b)  1/14th  of the loan  balance  on such  notes at the end of each
         fiscal quarter plus (c) required payments on any other debt of Borrower
         which shall  exclude  advances  from  Seitel,  Inc. and  affiliates  of
         Seitel, Inc. which are subordinated to the Banks.

                  "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.

                  "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, notice of environmental
         report or investigation,  or other notice by any Governmental Authority
         or any  written  complaint,  claim or notice of any other  Person  with
         respect to (a) air emissions,  (b) spills,  releases,  or discharges 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,  (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 business
         conducted thereon.

                  "Environmental Laws" shall mean (a) the following federal laws
         as they may be cited,  referenced,  and amended from time to time:  the
         Clean Air Act,  the Clean Water Act, the Safe  Drinking  Water Act, the
         Comprehensive  Environmental Response,  Compensation and Liability Act,
         the Endangered Species Act, the Resource Conservation and Recovery Act,
         the  Occupational  Safety  and  Health  Act,  the  Hazardous  Materials
         Transportation Act, the Superfund  Amendments and Reauthorization  Act,
         and the Toxic Substances Control Act; (b) any and all equivalent



                                     5

<PAGE>



         environmental  statutes of any state in which  Property of the Borrower
         is situated, as they may be cited,  referenced and 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 .

                  "Facility  Fee" shall mean the fee payable to the Banks by the
         Borrower pursuant to Section .

                  "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 Banks on such day on such  transactions
         as determined by the Banks.

                  "Financial  Statements" shall mean statements of the financial
         condition of the Borrower,  the Guarantor  and  Redman-Smackover  Joint
         Venture  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
         for the  Borrower  alone or, where  indicated,  on a  consolidated  and
         consolidating basis with the Guarantor 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



                                     6

<PAGE>



         independent  certified public  accountants  acceptable to the Banks and
         footnotes  to any of the  foregoing,  all of which shall be prepared in
         accordance with GAAP consistently  applied and in comparative form with
         respect to the corresponding period of the preceding fiscal period.

                  "Fixed Rate Loan" shall mean any LIBO Rate Loan.

                  "Floating Rate" shall mean an interest rate per annum equal to
         the Base Rate from time to time in  effect,  but in no event  exceeding
         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 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.

                  "Guarantor" shall mean Seitel, Inc., a Delaware
         corporation.

                  "Guaranty"  shall mean the  Guaranty  dated the  Closing  Date
         executed  by the  Guarantor  in favor of the  Banks,  guaranteeing  the
         payment and  performance  of the  Obligations,  as it may be  ratified,
         amended,  restated,  or  supplemented  from time to time which Guaranty
         shall  terminate  when the  Redman-Smackover  Joint Venture  properties
         constitute 10% or less of the Borrowing Base.

                  "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,



                                     7

<PAGE>



         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 the  maximum  nonusurious
         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 applicable
         laws of the State of Texas or the United  States of America,  whichever
         authorizes  the greater  rate, 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  under  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 (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.




                                     8

<PAGE>



                  "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  , 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  (other than
         current  trade and customer  accounts) of,  investment  or  partnership
         interest in or loan to, such Person.

                  "LIBO Rate" shall mean,  with respect to any  Interest  Period
         for any LIBO Rate Loan,  the lesser of (a) 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 Telerate Page 3750 (or if such
         Telerate Page shall not be available,  any successor or similar service
         selected by the Banks and the Borrower) as of approximately 11:00 a.m.,
         Central  Standard or Daylight  Savings Time, as the case may be, on the
         day one Business Day 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,  or (b) the Highest  Lawful Rate.  If neither such
         Telerate Page 3750 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 lesser of (a) the rate per annum  (rounded
         upwards if necessary, to the nearest 1/16 of 1%) quoted by the Banks at
         approximately  11:00  a.m.,  London  time  (or as  soon  thereafter  as
         practicable)  one  Business  Day prior to the first day of the Interest
         Period for such LIBO Rate Loan for the offering by the Banks 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, or (b)
         the Highest Lawful Rate.

                  "LIBO Rate Loan" shall mean any Loan and any portion
         of the Loan Balance which the Borrower has requested, in



                                     9

<PAGE>



         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 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 any  period  while any amount
         remains  owing on the Bank One Note and  Compass  Note and  interest on
         such amount,  calculated at the applicable interest rate, plus any fees
         or other sums payable 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 of the Banks to or for
         the benefit of the Borrower pursuant to this Agreement.

                  "Loan  Balance"  shall  mean,  at any  time,  the  outstanding
         principal  balance  of the Bank One Note and the  Compass  Note at such
         time.

                  "Loan Documents" shall mean this Agreement, the Bank One Note,
         the Compass Note, the Security Instruments, and all other documents and
         instruments now or hereafter  delivered  pursuant to the terms of or in
         connection with this Agreement, the Bank One Note, the Compass Note, or



                                    10

<PAGE>



         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 (a) any material adverse
         effect on the business, operations, properties, condition (financial or
         otherwise),  or prospects of the Borrower,  (b) any adverse effect upon
         the  business   operations,   properties,   condition   (financial   or
         otherwise),  or  prospects  of  the  Borrower  or the  Guarantor  which
         materially  increases the risk that any of the Obligations  will not be
         repaid as and when due,  or (c) any  material  adverse  effect upon the
         Collateral.

                  "Mortgaged  Properties"  shall mean all Oil and Gas Properties
         of the Borrower 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 of the
         Borrower for such period determined in accordance with GAAP.

                  "Obligations"  shall  mean,  without   duplication,   (a)  all
         Indebtedness  evidenced by the Bank One Note and Compass Note,  (b) the
         obligation of the Borrower for the payment of Commitment Fees, Facility
         Fees, and Engineering  Fees, (c) the obligations of the Guarantor under
         the Guaranty,  and (d) all other  obligations  and  liabilities  of the
         Borrower or the  Guarantor  to the Banks or the Agent,  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



                                    11

<PAGE>



         therewith  and  all   tenements,   hereditaments,   appurtenances   and
         Properties appertaining, belonging, affixed, or incidental thereto. The
         parties  acknowledge  that Borrower acts as Managing Partner of the DDD
         1994 Oil & Gas Partnership, which partnership made parallel investments
         in Oil and  Gas  Properties  during  1994  with  Borrower  whereby  the
         Borrower  acquired 95% of the acquired  interest in certain Oil and Gas
         Properties and the partnership  acquired the other 5%. The parties also
         acknowledge  that the Borrower acts as Managing Partner of the DDD 1995
         Oil & Gas Partnership,  which is a similar  partnership with respect to
         investments  made and to be made during 1995 in Oil and Gas Properties,
         and that  Borrower  may act as Managing  Partner  for  similar  general
         partnerships  with respect to  investments in Oil and Gas Properties in
         the future.  The Banks and Agent  acknowledge  that Borrower in certain
         instances  has in the past  procured and may in the future  procure the
         entire acquired interest in certain Oil and Gas Properties in its name,
         95% of which is or will be held for  itself  and 5% of which is or will
         be held for the benefit of the applicable partnership, and that in such
         circumstances,  the 5% interest of such partnership in such Oil and Gas
         Properties  will not be  considered  to be an Oil and Gas  Property  of
         Borrower for the purposes of any of the Loan Documents.

                  "Permitted  Indebtedness" shall mean the Subordinated Debt and
         any other debt or accounts payable of the Borrower to the Guarantor and
         Affiliates which are fully subordinated to the Banks and any other debt
         not to exceed $500,000 in the aggregate.

                  "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,  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,  materialmen,   construction,  or  similar  Liens  arising  by
         operation  of law in the  ordinary  course of  business  in  respect of
         obligations  which are not yet due or which are being contested in good
         faith by appropriate proceedings,



                                    12

<PAGE>



         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  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 in
         favor of the  Agent  and  other  Liens  expressly  permitted  under the
         Security  Instruments,  and (h)  any  lien on  property  which  secures
         Permitted Indebtedness.

                  "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.

                  "Pledged Stock" shall mean all of the issued and
         outstanding capital stock of the Borrower.

                  "Principal  Office"  shall  mean the  principal  office of the
         Agent in  Houston,  Texas,  presently  located  at 910  Travis  Street,
         Houston, Texas 77002.

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




                                    13

<PAGE>



                  "Redman  Energy  Corporation  Note" shall mean the note in the
         original  principal amount of $1,150,000 from Redman Energy Corporation
         to the Borrower.

                  "Redman-Smackover  Joint  Venture"  shall  mean the  agreement
         dated November 28, 1994, by and between Redman Energy Corporation,  DDD
         Energy, Inc. and Western Gas Resources, Inc.

                  "Regulation  D"  shall  mean  Regulation  D of  the  Board  of
         Governors of the Federal Reserve System,  as the same may be amended or
         supplemented from time to time.

                  "Regulatory   Change"   shall  mean  the  passage,   adoption,
         institution,  or  amendment 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
         banks including any of the Banks;  provided,  however, that a change in
         the Law or any  interpretation,  directive  or request  with respect to
         taxes  assessed  on the basis of  income  of the  Banks  shall not be a
         Regulatory Change.

                  "Release of  Hazardous  Substances"  shall mean any  emission,
         spill,  release,  disposal,  or discharge,  except in accordance with a
         valid  permit,  license,  certificate,  or  approval  of  the  relevant
         Governmental Authority, of any Hazardous Substance 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.

                  "Required  Banks"  shall  mean the Bank  serving as the Agent,
         together  with such other  Banks as  necessary  to make the  Commitment
         Percentages for all such Banks total 100%.

                  "Requirement  of  Law"  shall  mean,  as to  any  Person,  the
         certificate  or  articles  of   incorporation   and  by-laws  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



                                    14

<PAGE>



         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 delivered to the Agent
         pursuant to Section .

                  "Responsible  Officer"  shall  mean,  as to  any  Person,  its
         President,   Chief  Executive  Officer  or  Secretary-  Treasurer,   or
         Assistant Secretary.

                  "Security  Instruments"  shall mean the  security  instruments
         executed and  delivered in  satisfaction  of the condition set forth in
         Section , 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 the debt owed by  Borrower to
         Seitel, Inc. and Seitel Geophysical, Inc.

                  "Subordination Agreement" shall mean the agreement dated as of
         the Closing Date by and between the Banks,  Borrower  and Seitel,  Inc.
         and Seitel Geophysical, Inc.

                  "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,  exclusive  of  Intellectual   Property,   experimental  or
         organization



                                    15

<PAGE>



         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 which
         shall exclude debt specifically subordinated to the Banks.

                  "Transferee" shall mean any Person to which any Bank has sold,
         assigned,  transferred,  or  granted  a  participation  in  any  of the
         Obligations,  as  authorized  pursuant  to  Section  , and  any  Person
         acquiring, by purchase,  assignment,  transfer, or participation,  from
         any such purchaser,  assignee,  transferee, or participant, any part of
         such Obligations.

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

                  "Unmortgaged  Properties"  shall mean the interest of Borrower
         and 80% of the interest of Redman Energy  Corporation,  so long as such
         interest of Redman  Energy  Corporation  is pledged to the Borrower and
         collaterally  assigned to the Banks,  in the oil and gas  properties of
         the Redman-Smackover Joint Venture.

                  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



                                    16

<PAGE>



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  Revolving  Line  of  Credit.   (a)  Upon  the  terms  and
conditions (including,  without limitation, the right of the Banks to decline to
make any Loan so long as any Default or Event of Default  exists) and relying on
the  representations  and  warranties  contained in this  Agreement,  each Bank,
severally and not jointly agrees,  during the Commitment  Period, to make Loans,
in immediately available funds at the Principal Office, to or for the benefit of
the Borrower,  from time to time on any Business Day  designated by the Borrower
following receipt by the Agent of a Borrowing  Request;  provided,  however,  no
Loan shall exceed the then existing Available Commitment.

                  (b)  Subject  to the  terms  of  this  Agreement,  during  the
Commitment  Period,  the  Borrower may borrow,  repay,  and reborrow and 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 ,
each borrowing,  conversion, and prepayment of principal of Loans shall be in an
amount at least equal to $50,000.00.  Each borrowing,  prepayment, or conversion
of or into a Loan of a  different  type or,  in the case of a Fixed  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  $100,000.00;  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) The Loans shall be made and  maintained at the  Applicable
Lending  Office or the  Principal  Office and shall be evidenced by the Bank One
Note and the Compass Bank Note.

                  2.2  General  Terms.  (a)  Each  Bank  is  hereby  irrevocably
authorized by the Borrower to make notations on its records which



                                    17

<PAGE>



form a part of the  relevant  Bank One Note and the  Compass  Note of such  Bank
reflecting  the date and the  amount of each Loan by such Bank and each  payment
and prepayment made by the Borrower; provided, however, the failure of such Bank
to do so shall not relieve the Borrower of its liability hereunder or under such
note or subject the  Borrower to  additional  liability  hereunder or under such
note. Furthermore, each Bank is hereby irrevocably authorized by the Borrower to
attach to and make a part of each note of such Bank a  continuation  of any such
schedule.  The aggregate  unpaid  amount of Loans  reflected by the notations by
each Bank on the  records  of such Bank shall be deemed  rebuttably  presumptive
evidence of the principal amount owing on such note.

                  (b) Unless the Agent shall have been notified by a Bank 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 Bank)  the  proceeds  of a Loan to be made by
such Bank  hereunder or (in the case of the Borrower) a payment to the Agent for
account of one or more of the Banks  hereunder (such payment being herein called
the "Required Payment"),  which notice shall be effective upon receipt,  that it
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 Bank 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 the
Federal Funds Rate.

                  2.3 Use of Loan Proceeds.  Proceeds of all Loans shall be used
solely to refinance the debt existing as of the Closing Date and for oil and gas
reserve acquisitions, development drilling and general working capital.

                  2.4  Interest.   Subject  to  the  terms  of  this   Agreement
(including,  without  limitation,  Section ), 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.  Interest on all
Floating Rate Loans shall 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.  Interest on all
LIBO Rate Loans shall 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.  Notwithstanding  the foregoing,  interest on past-due
principal and, to the extent permitted by applicable law, past-due



                                    18

<PAGE>



interest,  shall accrue at the Floating Rate, 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,  and
shall be payable  upon  demand by the Banks 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 Fixed Rate Loan within the time period and otherwise
as  provided  herein,  such Loan (if  outstanding  as a Fixed 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.

                  2.5  Repayment  of Loans  and  Interest.  Accrued  and  unpaid
interest on each outstanding Floating Rate Loan shall be due and payable monthly
commencing on the 1st day of July,  1995,  and continuing on the 1st 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 Fixed Rate Loan shall be due and payable on the last day of the
Interest Period for such Fixed 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,  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 Bank One Note and the Compass Note, the Borrower
shall  specify to the Banks 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 Banks may apply such payment as they may elect in their sole discretion.

                  2.6 Outstanding Amounts. The outstanding  principal balance of
the Bank One Note and the Compass Note  reflected by the  notations by the Banks
on  their  records  shall  be  deemed  rebuttably  presumptive  evidence  of the
principal  amount owing on the Bank One Note and the Compass Note. The liability
for payment of  principal  and  interest  evidenced by the Bank One Note and the
Compass  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.



                                    19

<PAGE>




                  2.7 Time, Place, and Method of Payments. All payments required
pursuant to this  Agreement  or the Bank One Note and the Compass  Note shall be
made in  lawful  money  of the  United  States  of  America  and in  immediately
available  funds, and shall be deemed received by the Agent on the next Business
Day following  receipt if notice of the payment is not received by Agent by 1:30
p.m. (if via  facsimile,  it will be followed up with a phone call to Agent from
Borrower)  and receipt of such payment is after the end of business on that day.
Payments  shall be made at the  Principal  Office.  Except  as  provided  to the
contrary herein,  if the due date of any payment hereunder or under the Bank One
Note and the Compass 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.

                  2.8 Borrowing Base  Determinations.  (a) The Borrowing Base as
of June 1, 1995, is acknowledged by the Borrower,  the Banks and the Agent to be
$5,350,000.00.  Commencing on July 1, 1995, and continuing thereafter on the 1st
day of each calendar month through the Commitment  Termination  Date, the amount
of the Borrowing Base shall be reduced by $120,000.00.

                  (b) The Borrowing Base shall be redetermined  semi-annually on
each May 15 and November 15 by the Agent 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
Agent and  provided  to Banks.  In  addition,  the Agent shall  redetermine  the
Borrowing Base, within 45 days following a request of the Borrower,  accompanied
by all required engineering  information  necessary to redetermine the Borrowing
Base;  provided,  however,  the Banks shall not be  obligated to respond to more
than two such requests during any calendar year.  Notwithstanding the foregoing,
the Agent may at its sole  discretion  redetermine  the  Borrowing  Base and the
amount by which the Borrowing  Base shall be reduced each calendar  month as set
forth in Section (a) at any time and from time to time.

                  (c)  Upon  each  determination  of the  Borrowing  Base by the
Agent,  the Agent  shall  notify the  Borrower  orally  (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 oral  notification and shall remain in
effect until the next  subsequent  determination  of the Borrowing  Base and the
amount by which the Borrowing Base shall be reduced.

                  (d) The Borrowing Base shall  represent the  determination  by
the Agent in accordance with the applicable  definitions  and provisions  herein
contained and its customary lending practices for



                                    20

<PAGE>



loans  of this  nature,  of the  value,  for  loan  purposes,  of the  Mortgaged
Properties and the Unmortgaged Properties,  subject, in the case of any increase
in the Borrowing Base, to the credit approval process of the Banks. 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 Agent and the
Banks.

                  2.9  Mandatory  Prepayments.  If at any time the Loan  Balance
exceeds the lesser of the Borrowing  Base 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 Banks 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 Banks in their
sole discretion,  to secure the Obligations by the execution and delivery to the
Banks of security  instruments in form and substance  satisfactory to the Banks,
or (c) effect any combination of the  alternatives  described in clauses (a) and
(b) of this Section and acceptable to the Banks in their sole discretion.

                  2.10 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 Fixed
Rate Loan no less than one Business Day prior to prepayment or  conversion,  (b)
any  Fixed  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  prepaid or  converted,  and (d) no such  prepayment  or
conversion shall serve to postpone the repayment when due of any Obligation.

                  2.11  Commitment  Fee. In addition to interest on the Bank One
Note and the Compass  Note as provided  herein and the  Facility  Fees,  and the
Engineering  Fees payable  hereunder and to compensate the Banks for maintaining
funds  available,  the Borrower  shall pay to the Agent,  for the benefit of the
Banks, in immediately  available funds, on the 1st day of October,  1995, and on
the  1st day of each  third  calendar  month  thereafter  and on the  Commitment
Termination  Date during the Commitment  Period, a fee in the amount of one-half
percent (1/2%) 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
during the preceding quarterly period.




                                    21

<PAGE>



                  2.12  Facility  Fee.  In  addition to interest on the Bank One
Note  and the  Compass  Note as  provided  herein  and  Commitment  Fees and the
Engineering Fees payable  hereunder and to compensate the Banks for the costs of
the extension of credit  hereunder,  the Borrower shall pay to the Agent for the
benefit of the Banks,  in immediately  available  funds, a facility fee equal to
$26,750.00.  The Borrower  paid  $20,000.00  of such fee upon  acceptance of the
commitment of this credit  facility to the Borrower by the Banks with  $6,750.00
due on the Closing Date.

                  2.13  Engineering  Fee. In addition to interest on the Note as
provided herein and the Commitment Fees and Facility Fees payable  hereunder and
to compensate the Banks for the costs of evaluating the Mortgaged Properties and
the Unmortgaged Properties and reviewing the Reserve Reports, the Borrower shall
pay to the Agent for the benefit of the Banks, in immediately  available  funds,
on the date of each semi-annual  redetermination  of the Borrowing Base or other
redetermination of the Borrowing Base requested by Borrower,  an engineering fee
in the amount of $7,500.00.

                  2.14 Loans to Satisfy Obligations of Borrower.  The Banks 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  contained in this Agreement or any
other Loan  Document,  provided  that the Agent shall give the Borrower at least
five (5) Business  Days' advance  written notice before either Bank makes such a
Loan to satisfy a condition,  warranty,  representation or covenant of Borrower.
Any such Loan shall be  evidenced  by the Bank One Note and the Compass Note and
shall be made as a Floating Rate Loan.

                  2.15  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 Banks and grants to the Banks a security
interest in all funds of the  Borrower  now or hereafter or from time to time on
deposit  with the Banks,  with such  interest of the Banks to be  retransferred,
reassigned,  and/or released by the Banks, as the case may be, at the expense of
the Borrower  upon payment in full and complete  performance  by the Borrower of
all  Obligations.  All remedies as secured party or assignee of such funds shall
be  exercisable  by the  Banks  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 Banks the right,  exercisable at such time as
any Obligation  shall mature,  whether by acceleration of maturity or otherwise,
of offset or banker's lien against all funds of the Borrower now or hereafter or
from time to time on deposit with the Banks,  regardless of whether the exercise
of any such remedy would result in any penalty or loss



                                    22

<PAGE>



of interest or profit with  respect to any  withdrawal  of funds  deposited in a
time deposit account prior to the maturity thereof.

                  2.16 General  Provisions  Relating to Interest.  (a) It is the
intention of the parties  hereto to comply  strictly  with the usury laws of the
State of Texas and the United States of America. 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 Banks may also rely, to
the  extent  permitted  by  applicable  laws of the State of Texas or the United
States of America,  on alternative maximum rates of interest under other laws of
the State of Texas or the United States of America  applicable to the Banks,  if
greater.

                  (b)  Notwithstanding  anything  herein or in the Bank One Note
and the Compass Note to the contrary, during any Limitation Period, the interest
rate to be  charged on amounts  evidenced  by the Bank One Note and the  Compass
Note 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 of the
State of Texas or the United States of America,  the interest rate to be charged
hereunder  shall remain at the Highest  Lawful Rate until such time as there has
been paid to the Banks and the Agent,  as appropriate (i) the amount of interest
in excess of that accruing at the Highest  Lawful Rate that the Banks 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 Banks and the Agent, but for the effect of such Limitation Period.

                  (c) If, under any circumstances, the aggregate amounts paid on
the Bank One Note and the Compass Note 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 of the State of Texas or
the United States of America,  the result of  mathematical  error on the part of
the Borrower and the Banks and the Agent;  and the party  receiving such payment
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



                                    23

<PAGE>



accelerated,  by reason of an election by the Agent,  or the  Required  Banks 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 Banks 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 Banks and the
Agent 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.

                  2.17 Yield Protection. The Borrower shall pay to any Bank such
amounts  as  shall  be  sufficient  in the  reasonable  opinion  of any  Bank to
compensate it for any loss, cost, or expense incurred by and as a result of:

                       (i) any payment, prepayment, or conversion
                  by the  Borrower of a Fixed 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 Fixed Rate Loan from the Bank on the date for
                  such   borrowing   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 for the period from the date of such payment,  prepayment,  conversion,
or failure  to borrow to the last day of the then  current  Interest  Period for
such Loan (or, in the case of a failure to borrow,  the Interest Period for such
Loan which would have  commenced  on the date of such  failure to borrow) at the
applicable  rate of interest for such Loan provided for herein over (B) (I) with
respect  to any  payment,  prepayment,  conversion  to a  Fixed  Rate  Loan of a
different  Interest  Period,  or failure to borrow,  the interest  component (as
reasonably  determined by the Bank) of the amount (as  reasonably  determined by
the Bank) the Bank  would  have bid in the  London  interbank  market for Dollar
deposits  of  amounts   comparable  to  such  principal  amount  and  maturities
comparable to such period and (II) with respect to  conversions  of a Fixed Rate
Loan to a Floating Rate Loan, the interest  payable under the Floating Rate Loan
to the last day of the then current Interest Period.



                                    24

<PAGE>




                  2.18  Limitation  on Types of  Loans.  Anything  herein to the
contrary notwithstanding, no more than three 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 the Banks determine (which  determination  shall be
conclusive)  that  quotations of interest rates for the deposits  referred to in
the  definition of "LIBO Rate" in Section 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,  then the Agent shall give
the Borrower  prompt notice  thereof;  and so long as such condition  remains in
effect,  the Banks  shall be under no  obligation  to make LIBO Rate Loans or to
convert Loans of any other type 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 another type
of Loan in accordance  with Section . Before giving such notice pursuant to this
Section,  the Banks will  designate a  different  available  Applicable  Lending
Office for LIBO Rate Loans or take such other action as the Borrower may request
if such  designation  or action will avoid the need to suspend the obligation of
the Banks to make LIBO Rate  Loans  hereunder  and will not,  in the  reasonable
opinion of the Banks, be disadvantageous to the Banks.

                  2.19 Illegality.  Notwithstanding  any other provision of this
Agreement,  in the  event  that it  becomes  unlawful  for the  Banks  or  their
Applicable  Lending Office to (a) honor its obligation to make any type of Fixed
Rate Loans  hereunder,  or (b) maintain any type of Fixed Rate Loans  hereunder,
then the Banks shall promptly notify the Borrower thereof; and the obligation of
the Banks  hereunder to make such type of Fixed Rate Loans and to convert  other
types of Loans into Fixed Rate Loans of such type shall be suspended  until such
time as the Banks may again make and maintain Fixed Rate Loans of such type, and
the  outstanding  Fixed Rate Loans of such type shall be converted into Floating
Rate Loans in accordance  with Section . Before  giving such notice  pursuant to
this Section,  the Banks will designate a different available Applicable Lending
Office  for Fixed  Rate  Loans or take such  other  action as the  Borrower  may
request  if such  designation  or  action  will  avoid the need to  suspend  the
obligation of the Banks to make Fixed Rate Loans and will not, in the reasonable
opinion of the Banks, be disadvantageous to the Banks.

                  2.20  Regulatory  Change.  In the event  that by reason of any
Regulatory  Change, the Banks (a) incur additional costs based on or measured by
the excess  above a  specified  level of the amount of a category of deposits or
other liabilities of the Banks which



                                    25

<PAGE>



includes deposits by reference to which the interest rate on any Fixed Rate Loan
is  determined  as provided in this  Agreement  or a category of  extensions  of
credit or other assets of such Banks which  includes any Fixed Rate Loan, or (b)
become subject to  restrictions  on the amount of such a category of liabilities
or assets which it may hold,  then,  at the election of the Banks with notice to
the Borrower,  the  obligation of the Banks to make such Fixed Rate Loans and to
convert  Floating Rate Loans into such Fixed Rate Loans shall be suspended until
such  time as such  Regulatory  Change  ceases  to be in  effect,  and all  such
outstanding  Fixed Rate Loans shall be  converted  into  Floating  Rate Loans in
accordance  with Section ; provided that the Borrower  shall not be obligated to
pay any amounts to the Banks pursuant to Section 2.17 upon any such conversion.

                  2.21  Limitations on Interest  Periods.  Each Interest  Period
selected by the  Borrower  (a) which  commences  on the last  Business  Day of a
calendar  month (or, with respect to any LIBO Rate Loan, 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  commence  before and end after Final Maturity
shall end on Final  Maturity,  and (d) shall have a duration of not less than 30
days, or one month,  as to any LIBO Rate Loan, and, if any Interest Period would
otherwise be a shorter  period,  the relevant Loan shall be a Floating Rate Loan
during such period.

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

                  2.23 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  delivered by
the Borrower to the Agent  pursuant to Section or Section ,  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



                                    26

<PAGE>



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 Banks 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,  except
for gross negligence or willful misconduct.

                                  ARTICLE III

                                   CONDITIONS

                  The  obligations of the Banks to enter into this Agreement and
to make  Loans are  subject  to the  satisfaction  of the  following  conditions
precedent:

                  3.1 Receipt of Loan  Documents  and Other  Items.  None of the
Banks nor the Agent  shall have any  obligation  to fund  under  this  Agreement
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,  and to
the Oil and Gas  Properties  owned by  Redman-Smackover  Joint  Venture shall be
satisfactory  to the Agent,  and the Agent shall have  received,  reviewed,  and
approved the following  documents and other items,  appropriately  executed when
necessary and, where applicable, acknowledged by one or more authorized officers
of the Borrower,  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) multiple  counterparts of this Agreement,  as requested by
         the Agent;

                  (b) the Bank One Note;

                  (c) the Compass Note;

                  (d) the Guaranty;

                  (e) the Subordination Agreement;

                  (f) copies of the Articles of Incorporation and bylaws and all
         amendments thereto of the Borrower, accompanied by a certificate issued
         by the secretary or



                                    27

<PAGE>



         an assistant  secretary of the  Borrower,  to the effect that each such
         copy is correct and complete;

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

                  (h)  copies  of  corporate   resolutions  approving  the  Loan
         Documents and  authorizing  the  transactions  contemplated  herein and
         therein,  duly  adopted  by the  board of  directors  of the  Borrower,
         accompanied by certificates of the secretary or an assistant  secretary
         of the  Borrower,  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  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;

                  (i) multiple  counterparts,  as requested by the Agent, of the
         following Security Instruments creating,  evidencing,  perfecting,  and
         otherwise  establishing  Liens  in  favor  of the  Agent  in and to the
         Collateral:

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

                       (ii)  Financing  Statements  from  the  Borrower  as
                  debtor, constituent to the instrument described in clause
                  (i) above;

                       (iii) Security Agreement from Seitel,  Inc. covering
                  the Pledged Stock;

                       (iv) Security  Agreement from the Borrower  covering
                  its interest in the Redman-Smackover Joint Venture;

                       (v)  Financing   Statements  from  the  Borrower  as
                  debtor, constituent to the instrument described in clause
                  (iv) above;



                                    28

<PAGE>


                       (vi)  Collateral  Assignment  of the  Redman  Energy
                  Corporation Note from the Borrower to the Banks.

                       (vii)   Security   Agreement   from  Redman   Energy
                  Corporation to the Borrower  covering 80% of its interest
                  in the Redman-Smackover Joint Venture;

                       (viii)   Financing   Statement  from  Redman  Energy
                  Corporation  as  debtor,  constituent  to the  instrument
                  described in clause (vi) above;
                       (ix) UCC-3 Assignment from the Borrower to the Banks
                  of the instruments described in (vi) and (vii) above;

                       (x)   undated   letters,   in  form  and   substance
                  satisfactory  to the  Agent,  from the  Borrower  to each
                  purchaser of production  and disburser of the proceeds of
                  production   from  or   attributable   to  the  Mortgaged
                  Properties,  together  with  additional  letters with the
                  addressees  left blank,  authorizing  and  directing  the
                  addressees  to  make  future  payments   attributable  to
                  production from the Mortgaged  Properties directly to the
                  Agent;

                  (j)  unaudited  Financial  Statements  of the  Borrower  as of
         September  30, 1994,  and  Financial  Statements of the Guarantor as of
         September 30, 1994.

                  (k) 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 in its
         jurisdiction of incorporation and in any other  jurisdictions  where it
         does business;

                  (l) results of searches of the UCC Records of the Secretary of
         State of the State of 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 the Banks;

                  (m) confirmation, acceptable to the Agent, of the title of the
         Borrower   to  the   Mortgaged   Properties   and  the   title  of  the
         Redman-Smackover Joint Venture in the Unmortgaged Properties,  free and
         clear of Liens other than Permitted Liens;



                                    29

<PAGE>




                  (n) all operating,  lease, sublease, royalty, sales, exchange,
         processing,  farmout, bidding, pooling,  unitization,  communitization,
         and other agreements relating to the Mortgaged  Properties requested by
         the Agent;

                  (o) engineering reports covering the Mortgaged  Properties and
         the Oil and Gas Properties owned by the Redman-Smackover Joint Venture.

                  (p) the opinion of Sewell & Riggs, counsel to the Borrower, in
         the form attached hereto as Exhibit V, with such changes thereto as may
         be approved by the Agent;

                  (q) certificates  evidencing the insurance  coverage  required
         pursuant to Section ;

                  (r)  consent to pledge the  interest  of  Borrower  and Redman
         Energy  Corporation in the  Redman-Smackover  Joint Venture executed by
         all of the parties to such agreement; and

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

                  (t) The closing of the purchase of the Unmortgaged  Properties
         from Union Oil  Company of  California  by the  Redman-Smackover  Joint
         Venture.

                  3.2 Each Loan. In addition to the conditions  precedent stated
elsewhere herein, the Banks shall not be obligated to make any Loan unless:

                  (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 Event of Default or Default  shall  exist or will occur
         as a result of the making of the requested Loan.

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




                                    30

<PAGE>



                  (d) the Agent shall have received, reviewed, and approved such
         additional  documents  and  items as  described  in  Section  as may be
         requested by the Agent with respect to such Loan;

                  (e) no event  shall have  occurred  which,  in the  reasonable
         opinion of the Agent and Banks, has had a Material Adverse Effect;

                  (f) each of the  representations  and warranties  contained in
         this  Agreement  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;

                  (g) all of the Security Instruments shall be in full force and
         effect and provide to the Banks the security  intended  thereby (except
         that if the  Guaranty  has been  released  pursuant  to its terms,  the
         Guaranty and the Security  Agreement  from  Seitel,  Inc.  covering the
         Pledged Stock shall no longer be in full force and effect);

                  (h) the consummation of the transactions  contemplated  hereby
         shall not contravene, violate, or conflict with any Requirement of Law;

                  (i) the Borrower shall hold full legal title to the Collateral
         and be the sole beneficial owner thereof;

                  (j) the Agent shall have  received the payment of all Facility
         Fees,  Engineering Fees, and other fees payable to the Agent and/or the
         Banks hereunder and reimbursement  from the Borrower,  or special legal
         counsel for the Agent and Banks shall have  received  payment  from the
         Borrower,  for (i) all reasonable fees and expenses of counsel incurred
         within  two days of  closing  to the  Agent  and  Banks  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 the  relevant  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 the requested Loan; and

                  (k)  all  matters   incident  to  the   consummation   of  the
         transactions hereby contemplated shall be satisfactory to the Agent and
         Banks.





                                    31

<PAGE>



                                   ARTICLE IV

                         REPRESENTATIONS AND WARRANTIES

                  To induce the Banks and the Agent to enter into this Agreement
and to make the Loans, the Borrower represents and warrants to the Banks and the
Agent (which  representations  and warranties  shall survive the delivery of the
Bank One Note and the Compass Note) 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  Bank  One Note  and the  Compass  Note,  the
repayment  of the  Bank  One Note and the  Compass  Note and  interest  and fees
provided for in the Bank One Note and the Compass Note and this  Agreement,  the
execution  and  delivery of the  Security  Instruments  by the  Borrower 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 under any such indenture,  instrument,  or other agreement,  other than
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,  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  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.



                                    32

<PAGE>




                  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 and  Guarantor  as of  September  30, 1994,  present
fairly the financial  position and results of  operations  and cash flows of the
Borrower in  accordance  with GAAP as at the  relevant  point in time or for the
period  indicated,  as applicable.  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 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 materially  misleading as of the date made or
deemed made.

                  4.8 Liabilities,  Litigation, and Restrictions.  Other than as
listed under the heading  "Liabilities" on Exhibit attached hereto, 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
set forth under the heading  "Litigation"  on Exhibit  hereto,  no litigation or
other  action of any  nature  affecting  the  Borrower  is  pending  before  any
Governmental  Authority or, to the best  knowledge of the  Borrower,  threatened
against or affecting the Borrower  which might  reasonably be expected to result
in any impairment of its ownership of any Collateral or have a Material  Adverse
Effect. To the best knowledge of the Borrower,  after due inquiry, 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.

                  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 Bank One
Note and the Compass Note and  interest  and fees  provided in the Bank One Note
and the Compass Note and this  Agreement,  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 and



                                    33

<PAGE>



Unmortgaged  Properties,  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.  The  Borrower  does  not  maintain  nor  has  it
maintained any Plan.  The Borrower does not currently  contribute to or have any
obligation to contribute to or otherwise  have any liability with respect to any
Plan.

                  4.12  Environmental  Laws. To the best knowledge and belief of
the  Borrower,  except  as  would  not have a  Material  Adverse  Effect,  or as
described on Exhibit under the heading "Environmental Matters:"

                       (a) no Property of the  Borrower is  currently on or
                  has ever been on, or is adjacent to any Property which is
                  on or has ever  been on,  any  federal  or state  list of
                  Superfund Sites;

                       (b) 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)   except   in   accordance    with    applicable
                  Requirements  of Law  or the  terms  of a  valid  permit,
                  license,   certificate,   or  approval  of  the  relevant
                  Governmental   Authority,   no   Release   of   Hazardous
                  Substances by the Borrower or from, affecting, or related
                  to  any  Property  of the  Borrower  or  adjacent  to any
                  Property of the Borrower has occurred; and

                       (d) no Environmental  Complaint has been received by
                  the Borrower.

                  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.




                                    34

<PAGE>



                  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. The
Borrower  and the  Guarantor  have duly and properly  filed their United  States
income tax return and all other tax returns  which are  required to be filed and
the Borrower and the Guarantor  have paid all taxes due except such as are being
contested in good faith and as to which adequate provisions and disclosures have
been made. 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. Except as described on Exhibit under the heading
"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 and/or the
Unmortgaged Properties.

                  4.18 Gas  Contracts.  Except as described on Exhibit under the
heading  "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
and  Unmortgaged  Properties at some future date without  receiving full payment
therefor  within  90 days of  delivery,  and (b) has not  produced  gas,  in any
material  amount,  subject to, and neither the Borrower nor any of the Mortgaged
Properties and Unmortgaged  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



                                    35

<PAGE>



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.  Except as disclosed on
Exhibit under the heading  "Casualties,"  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 in Section or at such other  location  as the  Borrower  may
have, by proper written notice hereunder,  advised the Agent, 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.


                                   ARTICLE V

                             AFFIRMATIVE COVENANTS

                  So long as any Obligation remains outstanding or unpaid or any
Commitment exists, the Borrower and Guarantor where applicable, 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 make such records  available for inspection by the Banks at any
time during normal  business  hours,  and with at least three (3) Business Days'
prior notice prior to the  occurrence of an Event of Default and without  notice
if after the  occurrence  of an Event of  Default,  and,  at the  expense of the
Borrower if a Default or an Event of Default  occurs and at the expense of Banks
otherwise, allow the Banks to make and take away copies thereof.

                  5.2 Quarterly  Financial  Statements  of Borrower;  Compliance
Certificates.  Deliver  to the  Agent,  (a) 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 copy of the unaudited Financial Statements of the Borrower 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 a Responsible
Officer  of the  Borrower  as  having  been  prepared  in  accordance  with GAAP
consistently applied and as a fair



                                    36

<PAGE>



presentation of the condition of the Borrower, subject to changes resulting from
normal year-end audit  adjustments,  and (b) on or before the 45th day after the
close of each fiscal quarter and within 90 days of fiscal year end, a Compliance
Certificate.

                  5.3 Annual  Financial  Statements of Borrower.  Deliver to the
Agent,  on or before  the 90th day after  the close of each  fiscal  year of the
Borrower,  a copy of the annual unaudited  Financial  Statements of the Borrower
certified by a Responsible Officer of the Borrower.

                  5.4 Quarterly  Financial  Statements of Guarantor.  So long as
the  Guarantee is in  existence,  Guarantor  shall  deliver to the Agent,  on or
before the 45th day after the close of each of the first three quarterly periods
of each  fiscal  year of the  Guarantor,  a copy of the  unaudited  consolidated
Financial  Statements of 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 a Responsible  Officer of the Guarantor
as having been prepared in accordance  with GAAP  consistently  applied and as a
fair  presentation  of  the  condition  of the  Guarantor,  subject  to  changes
resulting from normal year-end audit adjustments.

                  5.5 Annual Financial  Statements of Guarantor.  So long as the
Guarantee is in existence, deliver to the Agent, on or before the 90th day after
the close of each fiscal  year of the  Guarantor,  a copy of the annual  audited
consolidated Financial Statements of the Guarantor.

                  5.6 Quarterly Financial  Statements of Redman-Smackover  Joint
Venture.  Borrower shall deliver to the Agent, within 3 days of receipt from the
Managing   Venturer,   a  copy  of  the   unaudited   Financial   Statements  of
Redman-Smackover Joint Venture as at the close of such quarterly period and from
the  beginning of such fiscal year to the end of such  period.  In the event the
Borrower does not receive such Financial  Statement from the Managing  Venturer,
Borrower  agrees to furnish  the Agent with all  information  pertaining  to the
Redman-Smackover  Joint  Venture  available to the Borrower  within 15 days from
Agent's request.

                  5.7 Oil and Gas Reserve  Reports.  (a) Deliver to the Agent no
later than April 1 of each year during the term of this  Agreement,  engineering
reports in form and substance satisfactory to the Banks, certified by Forrest A.
Garb &  Associates,  Inc.  or any  other  nationally-  or  regionally-recognized
independent consulting petroleum engineers acceptable to the Agent as fairly and
accurately setting forth (i) the proven and producing, shut-in, behind-pipe, and
undeveloped oil and gas reserves (separately classified as such) attributable to
the Mortgaged  Properties and the Oil and Gas Properties of the Redman-Smackover
Joint Venture as



                                    37

<PAGE>



of January 1 of the year for which such reserve reports are furnished,  (ii) the
aggregate  present value of the future net income with respect to such Mortgaged
Properties  and the  Unmortgaged  Properties  discounted  at a stated  per annum
discount rate of proven and producing reserves,  (iii) projections of the annual
rate of production, gross income, and net income with respect to such proven and
producing  reserves,  and (iv)  information  with respect to the  "take-or-pay,"
"prepayment," and gas-balancing liabilities of the Borrower.

                  (b) Deliver to the Agent no later than  October 1 of each year
during the term of this  Agreement,  engineering  reports in form and  substance
satisfactory  to the Agent  prepared  by or under the  supervision  of the chief
petroleum engineer of the Borrower  evaluating the Mortgaged  Properties and the
Oil and Gas Properties of the Redman-Smackover Joint Venture 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 (a).

                  (c) Each of the  reports  provided  pursuant  to this  Section
shall be  submitted  to the  Agent  together  with  additional  data  concerning
pricing,  quantities  of  production  from  the  Mortgaged  Properties  and  the
Unmortgaged  Properties,  volumes of production sold,  purchasers of production,
gross  revenues,  expenses,  and such  other  information  and  engineering  and
geological data with respect thereto as the Banks may reasonably request.

                  5.8 Title Opinions;  Title Defects.  Promptly upon the request
of 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 Banks, covering Oil and Gas Properties constituting not less than 90% of the
value,  determined  by the  Banks in their  sole  discretion,  of the  Mortgaged
Properties and the Unmortgaged Properties; 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 its  Oil  and  Gas
Properties and in title to the Unmortgaged Properties,  cure such title defects,
and, in the event any such title defects are not cured in a timely  manner,  the
portion  of the Oil and Gas  Properties  which  are  directly  effected  by such
uncured or  uncurable  title  defect may, in the  reasonable  discretion  of the
Agent,  be excluded  from the  Borrowing  Base  determinations  contemplated  by
Section 2.8 of this Agreement.

                  5.9  Notices  of  Certain   Events.   Deliver  to  the  Banks,
immediately  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  with  respect to such
event or circumstance:



                                    38

<PAGE>




                  (a) any Default or Event of Default;

                  (b) any  default  or event of  default  under any  contractual
         obligation   of  the   Borrower  or   Guarantor   or  any   litigation,
         investigation,  or proceeding between the Borrower 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
         Guarantor  as a defendant  or in which any  Property of the Borrower is
         subject to a claim and in which the amount  involved is $250,000.00 for
         Borrower and  $1,000,000.00  for the Guarantor or more and which is not
         covered by insurance or in which injunctive or similar relief is sought
         which could reasonably be expected to have a Material Adverse Effect;

                  (d) the receipt by the Borrower of any Environmental
         Complaint;

                  (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
         Borrower which could result in a Material Adverse Effect, following any
         allegation of a violation of any Requirement of Law;

                  (f) any Release of  Hazardous  Substances  by the  Borrower or
         from, affecting, or related to any Property of the Borrower which could
         result  in  a  Material   Adverse  Effect  except  in  accordance  with
         applicable Requirements of Law or the terms of a valid permit, license,
         certificate, or approval of the relevant Governmental Authority, 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) the change in identity or address of any Person  remitting
         to the Borrower  proceeds from the sale of hydrocarbon  production from
         or attributable to any Mortgaged Property;

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

                  5.10  Letters in Lieu of  Transfer  Orders;  Division  Orders.
Promptly upon request by the Agent at any time and from



                                    39

<PAGE>



time to  time,  and  without  limitation  on the  rights  of the  Agent or Banks
pursuant to Sections and , execute such letters in lieu of transfer  orders,  in
addition to the letters  signed by the  Borrower  and  delivered to the Agent in
satisfaction  of the  condition  set forth in  Section  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.

                  5.11 Additional  Information.  Furnish to the Banks,  promptly
upon the request of the Banks,  such additional  financial or other  information
concerning the assets, liabilities, operations, and transactions of the Borrower
as the Agent may from time to time  request;  and notify the Banks 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.

                  5.12 Compliance with Laws. Except to the extent the failure to
comply or cause compliance would not have a Material Adverse Effect, comply with
all applicable  Requirements  of Law,  including,  without  limitation,  (a) the
Natural Gas Policy Act of 1978, as amended,  (b) ERISA, (c) Environmental  Laws,
and (d) all permits, licenses, registrations,  approvals, and authorizations (i)
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,  (ii) required for the  performance of the operations of the Borrower,
or  (iii)  applicable  to the use,  generation,  handling,  storage,  treatment,
transport,  or disposal of any Hazardous  Substances;  and 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.

                  5.13  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.

                  5.14 Maintenance of Corporate Existence and Good Standing. The
Borrower shall maintain its corporate existence or



                                    40

<PAGE>



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, unless the failure to do so would
not have a Material Adverse Effect.

                  5.15   Payment  of  Bank  One  Note  and  the  Compass   Note;
Performance of Obligations. Pay the Bank One Note and the Compass Note according
to the  reading,  tenor,  and effect  thereof,  as modified  hereby,  and do and
perform every act and discharge all of its other Obligations.

                  5.16  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 as shall,  in the opinion of the Required  Banks, be
necessary to fulfill the terms of the Loan Documents.

                  5.17  Initial  Fees and  Expenses  of Counsel  to Agent.  Upon
request by the Agent,  promptly  reimburse the Agent for all reasonable fees and
expenses  of  Jackson  &  Walker,  L.L.P.,  special  counsel  to the  Agent,  in
connection  with  the  preparation  of  this  Agreement  and  all  documentation
contemplated  hereby,  the  satisfaction  of the conditions  precedent set forth
herein, the filing and recordation of Security Instruments, and the consummation
of the transactions contemplated in this Agreement.

                  5.18  Subsequent  Fees and Expenses of Agent.  Upon request by
the Agent, promptly reimburse the Agent (to the fullest extent permitted by law)
for all amounts reasonably  expended,  advanced,  or incurred by or on behalf of
the  Agent to  satisfy  any  obligation  of the  Borrower  under any of the Loan
Documents;  to collect the Obligations;  to ratify,  amend,  restate, or prepare
additional Loan Documents, as the case may be; for the filing and recordation of
Security  Instruments;  to enforce the rights of the Agent under any of the Loan
Documents;  and to protect the Properties or business of the Borrower 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 (a) all court costs, (b)
reasonable  attorneys'  fees, (c)  reasonable  fees and expenses of auditors and
accountants  incurred  to  protect  the  interests  of the  Agent,  (d) fees and
expenses  incurred in connection with the participation by the Agent as a member
of the creditors' committee in a case commenced under any Insolvency Proceeding,
(e) fees and expenses  incurred in connection  with lifting the  automatic  stay
prescribed  in  ss.362  Title 11 of the  United  States  Code,  and (f) fees and
expenses  incurred in connection with any action pursuant to ss.1129 Title 11 of
the United States Code all reasonably  incurred by the Agent in connection  with
the collection of any sums due under



                                    41

<PAGE>



the Loan Documents,  together with interest at the per annum interest rate equal
to the Floating  Rate,  calculated  on a basis of a calendar  year of 365 or 366
days, as the case may be,  counting the actual  number of days elapsed,  on each
such amount from the date of notification that the same was expended,  advanced,
or  incurred  by the Agent  until the date it is repaid to the  Agent,  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.

                  5.19 Operation of Oil and Gas  Properties.  Use its reasonable
efforts  to  cause  the  operators  of its Oil and Gas  Properties  to  develop,
maintain,  and operate such  properties in a prudent and  workmanlike  manner in
accordance with industry standards.

                  5.20  Maintenance  and  Inspection  of  Properties.   Use  its
reasonable  efforts  to cause the  operators  of its Oil and Gas  Properties  to
maintain such  properties in good repair and  condition,  ordinary wear and tear
excepted,  and to make all  necessary  replacements  thereof  and  operate  such
Properties  in  a  good  and  workmanlike  manner;  and  permit  any  authorized
representative of the Agent to visit and inspect, at the expense of the Borrower
if a Default or an Event of Default  exists or  otherwise  at the expense of the
Banks, any tangible Property of the Borrower.

                  5.21 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  reasonably  acceptable to the Agent and, within 30 days of the Closing
Date for property damage insurance covering Collateral and business interruption
insurance, if any, maintained by 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  $250,000.00,  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,



                                    42

<PAGE>



after such application has been made. In the event of any such damage,  loss, or
destruction for which insurance proceeds are $250,000.00 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.

                  5.22  INDEMNIFICATION.  INDEMNIFY AND HOLD THE AGENT AND BANKS
AND   THEIR    SHAREHOLDERS,    OFFICERS,    DIRECTORS,    EMPLOYEES,    AGENTS,
ATTORNEYS-IN-FACT,  AND AFFILIATES AND EACH TRUSTEE FOR THE BENEFIT OF THE AGENT
AND BANKS 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,  OR ANY OTHER GOOD FAITH 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 AND BANKS OR
ANY   OF   THEIR   SHAREHOLDERS,   OFFICERS,   DIRECTORS,   EMPLOYEES,   AGENTS,
ATTORNEYS-IN-FACT, OR AFFILIATES OR ANY TRUSTEE FOR THE BENEFIT OF THE AGENT AND
BANKS UNDER ANY SECURITY  INSTRUMENT;  WITH THE  FOREGOING  INDEMNITY  SURVIVING
SATISFACTION OF ALL  OBLIGATIONS  AND THE TERMINATION OF THIS AGREEMENT,  UNLESS
ALL SUCH  OBLIGATIONS  HAVE BEEN SATISFIED  WHOLLY IN CASH FROM THE BORROWER AND
NOT BY WAY OF REALIZATION AGAINST ANY COLLATERAL OR THE CONVEYANCE OF ANY


                                    43

<PAGE>



PROPERTY IN LIEU THEREOF,  PROVIDED THAT SUCH INDEMNITY  SHALL NOT EXTEND TO ANY
ACT OR OMISSION BY THE AGENT AND BANKS WITH RESPECT TO ANY  PROPERTY  SUBSEQUENT
TO THE AGENT AND BANKS  BECOMING THE OWNER OF SUCH  PROPERTY AND WITH RESPECT TO
WHICH PROPERTY SUCH CLAIM,  LOSS,  DAMAGE,  LIABILITY,  FINE,  PENALTY,  CHARGE,
PROCEEDING,  ORDER,  JUDGMENT,  ACTION, OR REQUIREMENT  ARISES SUBSEQUENT TO THE
ACQUISITION OF TITLE THERETO BY THE AGENT AND BANKS.

                  5.23 Accounts  Payable and Accounts  Receivable  Aging Report.
Borrower shall deliver to the Banks on or before the 45th day after the close of
each  quarterly  period of each fiscal year of the Borrower an accounts  payable
and an accounts receivable report reflecting the amount and age of each item.

                  5.24  Production  Receipts.  Deposit  all  receipts  from  the
production   from  the   Mortgaged   Property  as  well  as  all  of  Borrower's
distributions   from  the   Redman-Smackover   Joint   Venture  in  Account  No.
188-488-2141 at Bank One.

                                   ARTICLE VI

                               NEGATIVE 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)  unsecured
accounts  payable  incurred in the ordinary  course of  business,  which are not
unpaid in excess of 45 days beyond due date or are being contested in good faith
and as to which such reserve has been made, or (c) Permitted Indebtedness.

                  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 and  performance  surety or other
bonds provided in the ordinary course of business,  or (b) trade credit incurred
or operating leases entered into in the ordinary course of business.

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

                  6.4 Sales of Collateral.  Without the prior written consent of
the Agent,  sell,  transfer,  or  otherwise  dispose of, in one or any series of
transactions, Collateral, whether now owned or hereafter acquired, or enter into
any agreement to do so; provided,



                                    44

<PAGE>



however,  the  foregoing  restriction  shall  not  apply  to  (a)  the  sale  of
hydrocarbons  or inventory in the ordinary  course of business  provided that no
contract  for the sale of  hydrocarbons  shall  obligate the Borrower to deliver
hydrocarbons  produced  from any of the  Mortgaged  Property at some future date
without receiving full payment therefor within 90 days of delivery, (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.

                  6.5  Loans  or  Advances.  Make or  agree  to make or allow to
remain  outstanding any loans or advances in excess of $100,000 in the aggregate
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,  or (b) advances to employees of the Borrower for the
payment of  expenses  in the  ordinary  course of  business,  or (c) the loan to
Redman  Energy  Corporation  in the amount of  $1,600,000  corresponding  to the
purchase of Redman Energy Corporation's  interest in the Redman-Smackover  Joint
Venture.

                  6.6 Loans or Advances from Guarantor and Affiliates. All loans
or advances from the Guarantor and any affiliate shall be fully  subordinated to
the Banks.

                  6.7  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 Banks 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.

                  6.8  Dividends  and  Distributions.  Declare,  pay,  or  make,
whether in cash or Property of the Borrower, any dividend or



                                    45

<PAGE>



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 would exist upon such payment.

                  6.9  Transactions  with  Affiliates.  Directly or  indirectly,
enter into any 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,  with the  exception of
services provided by Affiliates at cost to the Borrower.

                  6.10 Lines of Business. Expand into any line of business other
than those in which the Borrower is engaged as of the date hereof.

                  6.11 Change in  Ownership.  Change in any manner the ownership
of Borrower (other than as permitted pursuant to Section 6.12) without the prior
written approval of Banks, which approval will not be unreasonably withheld.

                  6.12 Issuance of Stock; Changes in Corporate Structure.  Issue
or agree to issue  additional  shares of capital stock,  in one or any series of
transactions  with the  exception of  obtaining  cash for such stock unless such
issuance would result in Guarantor  owning less than 51% of the capital stock of
Borrower; enter into any transaction of consolidation,  merger, or amalgamation;
liquidate, wind up, or dissolve (or suffer any liquidation or dissolution).

                  6.13 Amendment of Redman-Smackover  Joint Venture. Vote on the
following matters in connection with the Redman-Smackover  Joint Venture without
the prior written consent of the Banks;

                       (a) Sell, lease,  exchange,  abandon,  encumber,  or
                  convey  title to or grant  options for sale of all or any
                  portion of the Redman-Smackover Joint Venture property;

                       (b) Borrow money, or incur any indebtedness or other
                  obligation, or execute any contract therefor on behalf of
                  the Redman-Smackover Joint Venture;

                       (c)  Assign,  transfer,  or pledge any debts owed to
                  the Redman-Smackover  Joint Venture, or release any debts
                  due  except  (i) on  payment in full or (ii) on less than
                  payment in full if in the ordinary course of business;

                       (d)  Compromise  any  claims due in excess of Twenty
                  Five  Thousand   Dollars   ($25,000.00)  to  the  Redman-
                  Smackover Joint Venture or submit to arbitration any



                                    46

<PAGE>



                  dispute     or     controversy     involving     the
                  Redman-Smackover  Joint  Venture  except  any  dispute or
                  controversy covering the Joint Venture Agreement;

                       (e)   Modify   the   current    structure   of   the
                  RedmanSmackover Joint Venture through the addition and/or
                  deletion  of  Venturers  except as may be provided in the
                  Redman-Smackover Joint Venture Agreement;

                       (f) Change the scope of the business  activities  of
                  the Redman-Smackover Joint Venture;

                       (g) Change the distribution of available cash.

                  Notwithstanding the above, the Borrower may vote to sell up to
10% of the properties of the Redman-Smackover Joint Venture.

                  6.14 Tangible Net Worth.  Permit Tangible Net Worth to be less
than $17,500,000.00,  plus 50% of positive Net Income for all calendar quarterly
periods subsequent to September 30, 1994, and 100% of increases in advances from
the Guarantor and affiliates and decreased by 100% of permitted payments made on
advances from  Guarantor and affiliates  after  September 30, 1994, but never to
reduce  below  $17,500,000.00  plus 50% of positive  Net Income for all calendar
quarterly periods subsequent to September 30, 1994.

                  6.15 Cash Flow Coverage Ratio of Borrower.  Permit,  as of the
close of any fiscal quarter, beginning with the quarter ending June 30, 1995 the
ratio of Cash Flow to Debt Service 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 Bank
         One Note and/or the Compass  Note or in the payment when due of any fee
         or other sum  payable  under any Loan  Document  and the  default as to
         interest or fees shall  remain  uncured for a period in excess of three
         Business Days;

                  (b) default  shall be made by the Borrower or the Guarantor in
         the due observance or performance of any of its  obligations  under the
         Loan  Documents,  and such default shall continue for 30 days after the
         earlier of



                                    47

<PAGE>



         notice thereof to the Borrower by the Agent or knowledge
         thereof by the Borrower;

                  (c) 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 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 the Guarantor (as
         principal or other surety) in the payment or  performance  of any bond,
         debenture,  note, or other  Indebtedness or under any credit agreement,
         loan agreement,  indenture,  promissory  note, or similar  agreement or
         instrument  executed  in  connection  with  any  of the  foregoing  the
         aggregate  amount of indebtedness  related to such default shall exceed
         $250,000.00, and such defaults shall remain unremedied for in excess of
         the period of grace,  if any,  with  respect  thereto  (or, if past the
         grace period,  Borrower is not  contesting  such defaults in good faith
         and has not made adequate reserves therefore);

                  (e) the Borrower  shall be unable to satisfy any  condition or
         cure any circumstance specified in Article , the satisfaction or curing
         of which is precedent to the right of the Borrower to obtain a Loan and
         such inability shall continue for a period in excess of 30 days;

                  (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,



                                    48

<PAGE>



         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 90 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 90 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 $250,000.00,
         and such order,  judgment,  or decree  shall not be dismissed or stayed
         within 90 days;

                  (j) any charges are filed or any other action or proceeding is
         instituted by any  Governmental  Authority  against the Borrower or the
         Guarantor under the  Racketeering  Influence and Corrupt  Organizations
         Statute (18 U.S.C.  ss.1961 et seq.),  the result of which could be the
         forfeiture or transfer of any material  Property of the Borrower or the
         Guarantor  subject  to a  Lien  in  favor  of  the  Banks  without  (i)
         satisfaction  or provision for  satisfaction of such Lien, or (ii) such
         forfeiture or transfer of such Property being expressly made subject to
         such Lien;

                  (k)  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  is  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 90 days from the date thereof;

                  (l) any  Security  Instrument  affecting  more  than 5% of the
         Borrowing  Base shall for any reason not, or cease to, create valid and
         perfected  first-priority  Liens  against  the  Collateral  purportedly
         covered  thereby and not cured  within 90 days after  knowledge  by the
         Borrower;




                                    49

<PAGE>



                       (m) the  Guarantor  shall cease to own more than 51%
                  of the  outstanding  capital stock of any class issued by
                  the Borrower; or

                       (n) the occurrence of a Material  Adverse Effect and
                  the same shall remain unremedied for in excess of 30 days
                  after notice given to the Agent.

                  7.2 Remedies.  (a) Upon the  occurrence of an Event of Default
specified in Sections or , 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  Commitment  shall
immediately  cease and terminate  unless and until  reinstated by the Agent with
the  written  approval  of the  Required  Banks;  and (iii) the Banks 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 Banks and any and all other  indebtedness  at any time  owing by the
Banks 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 or , (i) the Agent, with the written approval of the
Required  Banks,  may  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  Commitment  shall  immediately  cease  and
terminate  unless and until  reinstated  by the Required  Banks and the Agent in
writing;  and (iii) the Banks 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 Banks and any and all other
indebtedness  at any time  owing by the Banks 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, each Bank and
the Agent may, in addition to the foregoing in this Section, exercise any or all
of its rights and remedies provided by law or pursuant to the Loan Documents.





                                    50

<PAGE>



                                  ARTICLE VIII

                                   THE AGENT

                  8.1 Appointment.  Each Bank hereby designates and appoints the
Agent as the  agent  of such  Bank  under  this  Agreement  and the  other  Loan
Documents,  and each Bank  authorizes the Agent,  as the agent for such Bank, to
take such action on behalf of such Bank 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 Bank; 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 Banks and contribution by
each Bank of its Commitment Percentage 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
Bank for any recitals,  statements,  representations  or warranties  made by the
Borrower or any officer of any of them  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 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 Bank to ascertain or to inquire as to



                                    51

<PAGE>



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 the Bank One Note and the Compass
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 the Bank One Note and the Compass  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 Banks as it deems appropriate
and  contribution by each Bank of its Commitment  Percentage 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  Banks.  Such  request and any action  taken or failure to act pursuant
thereto  shall be binding upon the Banks and all future  holders of the Bank One
Note and the Compass Note.

                  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 Bank 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 give notice thereof to the Banks.  The Agent shall take
such  action  with  respect  to such  Default  or Event of  Default  as shall be
reasonably  directed by the Required  Banks;  provided that unless and until the
Agent shall have received such directions,  subject to the provisions of Section
, 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 Banks.  In the event that the
officer of the Agent primarily responsible for the lending relationship with the
Borrower  or the  officer  of any Bank  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 Bank,  as the case may be,
shall use its good faith efforts to inform the other Banks and/or the Agent,  as
the case may be, of such occurrence.



                                    52

<PAGE>



Notwithstanding  the  preceding  sentence,  failure to comply with the preceding
sentence shall not result in any liability to the Agent or any Bank.

                  8.6 Non-Reliance on Agent and Other Banks. Each Bank expressly
acknowledges  that  neither  the  Agent  nor any  other  Bank  nor any of  their
respective  officers,   directors,   employees,  agents,   attorneys-in-fact  or
affiliates has made any  representation or warranty to such Bank and that no act
by the Agent or any other  Bank  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 Bank to any other Bank. Each Bank represents to the
Agent that it has,  independently  and  without  reliance  upon the Agent or any
other  Bank,  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 Bank
also represents that it will,  independently and without reliance upon the Agent
or any other Bank 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 credit-worthiness 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  Agent by the  Borrower
hereunder,  the Agent shall not have any duty or  responsibility  to provide any
Bank 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.  Agent  will
provide Banks with any  information  required to be furnished by Borrower  under
this Agreement if not furnished to the Banks by the Borrower.

                  8.7  INDEMNIFICATION.  EACH BANK AGREES TO INDEMNIFY THE AGENT
AND ITS OFFICERS, DIRECTORS,  EMPLOYEES, AGENTS, ATTORNEYS-INFACT 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  COMMITMENT
PERCENTAGE  OF SUCH BANK,  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



                                    53

<PAGE>



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 BANK 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 Bank 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 Banks in connection with the Obligations,  the Agent
or such Bank, as the case may be, shall promptly  notify the Banks 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 Bank shall pay to the Agent
an amount  equal to the ratable  share of such Bank of the funds  required to be
returned to the Borrower.  The ratable share of each Bank shall be determined on
the basis of the percentage of the payment all or a portion of which is required
to be refunded which was originally distributed to such Bank, if such percentage
can be determined,  or, if such percentage cannot be determined, on the basis of
the  Commitment  Percentage of such Bank.  The Agent shall forward such funds to
the  Borrower or to the Bank  required to return such funds.  If any such amount
due to the Agent is made available by any Bank after Noon,  Central  Standard or
Daylight  Savings Time,  as the case may be, of the Business Day following  such
notice,  such Bank shall pay to the Agent (or the Bank  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 Bank
required  to  return  funds  to the  Borrower,  as the  case  may be) to but not
including  the date on which such Bank  failing to timely  forward  its share of
funds



                                    54

<PAGE>



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 Bank serving as the Agent, the
Agent shall have the same rights and powers  under this  Agreement as a Bank and
may exercise  such rights and powers as though it were not the Agent.  The terms
"Bank" and "Banks" shall include the Agent in its individual capacity.

                  8.10 Successor  Agent.  The Agent may resign as Agent upon ten
days' notice to the Banks and the  Borrower.  If the Agent shall resign as Agent
under  this  Agreement  and the  other  Loan  Documents,  Banks  for  which  the
Commitment  Percentages  aggregate  at least 100% shall  appoint  from among the
Banks a successor  agent for the Banks,  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 Bank One Note and the Compass Note.  After
the removal or  resignation of any Agent  hereunder as Agent,  the provisions of
this  Article  VIII and  Sections , , and 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 Banks, 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 Banks 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 Amendments and Waivers.  Neither this Agreement nor any of
the other  Loan  Documents  nor any  terms  hereof or  thereof  may be  amended,
supplemented  or  modified  except in  accordance  with the  provisions  of this
Section.  The  Agent and the  Borrower  may,  with the  written  consent  of the
Required Banks, from time to time, enter



                                    55

<PAGE>



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 Banks and 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 note or any  installment  thereof,
reduce the rate or extend the time of payment of  interest  thereon,  extend the
Commitment  Termination  Date,  reduce any fee  payable to the Banks  hereunder,
release any  Collateral  (other than pursuant to Section 6.4 above),  reduce the
principal  amount of the  Obligations,  change the Commitment  Percentage of any
Bank or the  definition  of the  Borrowing  Base,  amend,  modify,  or waive any
provision of this Section or Section , 3.2, 5.8, 5.18, or or any other provision
applicable to the determination or redetermination of the Borrowing Base, change
the percentage  specified in the definition of Required Banks, 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 Banks (except in the case of a merger or consolidation  permitted
under Section above), or (b) amend,  modify or waive any provision of Article or
the rights or obligations of the Agent without the written consent of the Agent.
Any such  amendment,  supplement,  modification or waiver shall apply equally to
each of the Banks  and shall be  binding  upon the  Borrower,  the Banks and the
Agent,  and all future  holders of the notes.  In the event of any  waiver,  the
Borrower,  the Banks, 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.  Neither  this
Agreement  nor any  provision  hereof may be  changed,  waived,  discharged,  or
terminated  orally,  but only by an  instrument  in writing  signed by the party
against whom  enforcement of the change,  waiver,  discharge,  or termination is
sought. Anything in this Agreement to the contrary notwithstanding, the Required
Banks must agree to any change in the  Borrowing  Base and approve  title to the
Oil and Gas Properties.

                  9.2  Security  Interest  in  Deposits  and  Right of Offset or
Banker's Lien. The Borrower hereby  transfers,  assigns and pledges to each Bank
and the Agent and grants to each Bank and the Agent, a security interest in, and
the right, exercisable at such time as any Obligation shall mature, of offset or
banker's  lien  against,  all funds or other  Property  of the  Borrower  now or
hereafter or from time to time on deposit with or in the possession of such Bank
or the Agent, including, without limitation, all certificates of



                                    56

<PAGE>



deposit  and  other  depository  accounts,  as  security  for  the  payment  and
performance of the Obligations.  At any time following the occurrence and during
the  continuance of an Event of Default,  in addition to any rights and remedies
of the Banks and the Agent  provided in any Loan  Document or existing at law or
in equity,  but without in any manner  limiting  the  cumulative  nature of such
remedies, each Bank and the Agent shall have the right, with the oral consent of
the Required Banks  (confirmed  promptly in writing) and without prior notice to
the  Borrower,  any such notice  being  expressly  waived by the Borrower to the
extent permitted by applicable law, to set-off and apply against any Obligation,
whether  matured or unmatured,  any amount owing from such Bank or the Agent, to
the Borrower, any funds or the property of the Borrower now or hereafter or from
time to time on  deposit  with or in the  possession  of such Bank or the Agent,
including,  without  limitation,  funds  attributable  to  the  Borrower  in any
certificates of deposit and other depository accounts, whether such have matured
or the  exercise  of such  right by such Bank or the  Agent,  results in loss of
interest or profit or other penalty on such deposits.  Such right of set-off may
be  exercised  by each Bank and the Agent  against the  Borrower and against any
trustee  in  bankruptcy,  debtor in  possession,  assignee  for the  benefit  of
creditors,  receiver,  or  execution,  judgment  or  attachment  creditor of the
Borrower,  or anyone  else  claiming  through or against the  Borrower,  or such
trustee  in  bankruptcy,  debtor in  possession,  assignee  for the  benefit  of
creditors,  receiver, or execution, judgment or attachment creditor. Each of the
Banks and the Agent  agrees  promptly to notify the Borrower and the Agent after
any such  set-off by such Bank or the Agent,  provided  that the failure to give
such notice shall not affect the validity of such set-off and application.

                  9.3 Adjustments.  If any Bank (for purposes of this Section, a
"benefitted  Bank")  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 (f) or (g), or otherwise) in
an amount  greater than such Bank was entitled to receive  pursuant to the terms
hereof,  such  benefitted Bank shall purchase for cash from the other Banks such
portion of the Obligations of such other Banks or shall provide such other Banks
with the benefits of any such  Collateral  or the  proceeds  thereof as shall be
necessary to cause such  benefitted Bank to share the excess payment or benefits
of such  Collateral  or proceeds  with each of the Banks  according to the terms
hereof; provided,  however, that if all or any portion of such excess payment or
benefits is thereafter  recovered from such benefitted Bank, such purchase shall
be rescinded and the purchase  price and benefits  returned by such Bank, to the
extent of such recovery,  but without  interest.  The Borrower  agrees that each
such Bank so purchasing a portion of the Obligations of another Bank may



                                    57

<PAGE>



exercise  all  rights  of  payment  (including,  without  limitation,  rights of
set-off)  with  respect to such portion as fully as if such Bank were the direct
holder  of such  portion.  If any Bank  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.

                  9.4 Transfers and  Participations.  Any Bank may, at any time,
sell,  transfer or assign the  Obligations or any portion thereof to one or more
commercial  banks who is reasonably  acceptable  to Borrower.  Such Bank and the
Agent may forward to each  transferee and  prospective  transferee of all or any
portion  of or  interest  in the  Obligations,  all  documents  and  information
relating to the  Obligations,  whether  furnished  by the  Borrower or otherwise
obtained,  as such Bank or the Agent  determines  necessary  or  desirable.  The
Borrower  agrees that each such permitted  assignee shall be a "Bank" under this
Agreement and may exercise all rights (including,  without limitation, rights of
set-off) with respect to the portion of the  Obligations  held by it, subject to
any agreements  between such  transferee and the transferor to such  transferee.
Notwithstanding  the  foregoing,  no  such  participation  or  assignment  shall
increase or expand the liability (other than increases in the Borrowing Base) of
the Borrower hereunder (and Banks  specifically  acknowledge that Borrower shall
not be  liable  for any of the fees and  expenses  incurred  by the Banks or the
Agent in connection with such transfers and  participations  unless the transfer
is requested by the  Borrower),  and Borrower may deal solely with the Agent for
purposes of providing notices,  reports and payments hereunder.  Notwithstanding
anything  in this  Agreement  to the  contrary,  no Bank  other than Bank One or
Compass shall be the Agent  hereunder  without the prior written  consent of the
Borrower.

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

                  9.6  Notices  and  Other  Communications.  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



                                    58

<PAGE>



by mail, when 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 and Bank One, to:

                           Bank One, Texas, National Association
                           910 Travis, 6th Floor
                           Houston, Texas  77002-5860
                           Attention:  Energy Group 
                            (or for notice by mail, to:
                           P.O. Box 2629
                           Houston, Texas  77252-2629
                           Attention:  Energy Group, 6th Floor
                           Telecopy:  (713) 751-3544

                  (b)      if to Compass, to:

                           Compass Bank - Houston
                           24 Greenway Plaza, Suite 1401
                           Houston, Texas 77046
                           Attention:  Energy Lending
                           Telecopy: (713) 968-8222

                  (c)      if to the Borrower, to:

                           DDD Energy, Inc.
                           50 Briar Hollow Lane West
                           7th Floor
                           Houston, Texas  77027
                           Attention:  Ms. Debra D. Valice
                                           Secretary-Treasurer
                           Telecopy:   (713) 627-2319

                  (d)      if to the Guarantor to:

                           Seitel, Inc.
                           50 Briar Hollow Lane West
                           7th Floor
                           Houston, Texas  77027
                           Attention:  Ms. Debra D. Valice
                                           Chief Financial Officer
                           Telecopy:   (713) 627-2319

                  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.

                  9.7      Parties in Interest.  Subject to the restrictions on
changes in corporate structure set forth in Section  and other



                                    59

<PAGE>



applicable  restrictions  contained herein,  all covenants and agreements herein
contained  by or on  behalf of the  Borrower,  the  Guarantor,  the Banks or the
Agent, shall be binding upon and inure to the benefit of the Borrower, the Banks
or the Agent, as the case may be, and their  respective  legal  representatives,
successors, and assigns.

                  9.8 Rights of Third Parties. All provisions herein are imposed
solely and  exclusively for the benefit of the Banks,  the Agent,  the Borrower,
and  the  Guarantor;  and  no  other  Person  shall  have  standing  to  require
satisfaction of such provisions in accordance with their terms or be entitled to
assume  that the  Banks  will  refuse  to make  Loans in the  absence  of strict
compliance with any or all of such provisions; and any or all of such provisions
may,  subject to the  provisions  of  Section as to the rights of the Banks,  be
freely  waived  in  whole  or in part by the  Agent  at any  time if in its sole
discretion it deems it advisable to do so.

                  9.9 Renewals;  Extensions.  All  provisions of this  Agreement
relating to the Bank One Note and the Compass  Note shall apply with equal force
and effect to each promissory note hereafter  executed which in whole or in part
represents  a  renewal  or  extension  of any  part of the  Indebtedness  of the
Borrower  under this  Agreement,  the Bank One Note and the Compass Note, or any
other Loan Document.

                  9.10 No Waiver; Rights Cumulative. No course of dealing on the
part of any Bank or the Agent,  or the  officers or employees of any Bank or the
Agent,  nor any  failure  or delay by any Bank or the  Agent,  with  respect  to
exercising any of their rights,  powers,  or privileges  under this Agreement or
any other  Loan  Document  shall  operate  as a waiver  thereof.  The rights and
remedies  of the Banks and the Agent  under  this  Agreement  and the other Loan
Documents shall be cumulative,  and the exercise or partial exercise of any such
right or remedy shall not preclude the exercise of any other right or remedy. No
making of a Loan shall constitute a waiver of any of the covenants or warranties
of the Borrower or Guarantor contained herein or of any of the conditions to the
obligation of the Banks to make other Loans hereunder. In the event the Borrower
is unable to satisfy  any such  covenant,  warranty or  condition,  no such Loan
shall have the effect of precluding  the Agent from  thereafter  declaring  such
inability to be an Event of Default as hereinabove provided.

                  9.11 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



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<PAGE>



other  provision  of any Loan  Document or of any other  instrument  referred to
herein or executed in connection with such Obligations.

                  9.12  Amendments;  Waivers.  Neither  this  Agreement  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.

                  9.13 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.

                  9.14  Disposition of Collateral.  Notwithstanding  any term or
provision,  express  or  implied,  in  any  of  the  Security  Instruments,  the
realization,  liquidation, foreclosure, or any other disposition on or of any or
all of the  Collateral  shall be in the order and manner and  determined  in the
sole  discretion  of the Banks,  provided,  however,  that in no event shall the
Banks violate  applicable  law or exercise  rights and remedies other than those
provided in such Security Instruments or otherwise existing at law or in equity.

                  9.15  GOVERNING  LAW. THIS AGREEMENT AND THE BANK ONE NOTE AND
THE  COMPASS  NOTE  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.

                  9.16  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  SHALL BE  LITIGATED IN
COURTS HAVING SITUS IN HOUSTON,  HARRIS COUNTY,  TEXAS.  EACH OF THE AGENT, EACH
BANK AND THE BORROWER AND 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,  ANY OF THE BANKS, OR
THE BORROWER AND THE GUARANTOR IN ACCORDANCE WITH THIS SECTION.

                  9.17 WAIVER OF RIGHTS TO JURY TRIAL. EACH OF THE BORROWER, THE
GUARANTOR, THE BANKS 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  AGREEMENT  OR ANY OTHER LOAN  DOCUMENT OR THE ACTS OR
OMISSIONS OF THE AGENT OR ANY OF THE BANKS, IN THE ENFORCEMENT OF



                                    61

<PAGE>


                  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  BANKS  ENTERING  INTO THIS
AGREEMENT.

                  9.18 ENTIRE AGREEMENT.  THIS AGREEMENT  CONSTITUTES THE ENTIRE
AGREEMENT  BETWEEN THE PARTIES  HERETO  WITH  RESPECT TO THE SUBJECT  HEREOF AND
SHALL SUPERSEDE ANY PRIOR AGREEMENT BETWEEN THE PARTIES HERETO,  WHETHER WRITTEN
OR ORAL,  RELATING TO THE SUBJECT HEREOF,  INCLUDING,  WITHOUT  LIMITATION,  THE
CORRESPONDENCE  DATED  FEBRUARY  21,  1995,  FROM  BANK  ONE  TO  THE  BORROWER.
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.

                  9.19  Counterparts.  For the convenience of the parties,  this
Agreement  may be  executed  in  multiple  counterparts,  each of which  for all
purposes  shall be deemed to be an  original,  and all such  counterparts  shall
together constitute but one and the same Agreement.

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

                                     BORROWER:

                                     DDD ENERGY, INC.



                                     By: /s/ Debra D. Valice
                                         ---------------------- 
                                         Debra D. Valice
                                         Secretary-Treasurer


                                     AGENT AND A BANK:

                                     BANK ONE, TEXAS, NATIONAL
                                     ASSOCIATION


                                     By: /s/ Damien G. Meiburger
                                         -----------------------
                                         Damien G. Meiburger
                                         Senior Vice-President





                                    62

<PAGE>



                                      A BANK:

                                      COMPASS BANK - HOUSTON


                                      By: /s/Kathleen J. Bowen
                                          ---------------------
                                          Kathleen J. Bowen
                                          Vice-President



                                    63




                                PROMISSORY NOTE

$37,500,000.00                  Houston, Texas                     June 14, 1995

          FOR VALUE  RECEIVED  and  WITHOUT  GRACE,  the  undersigned  ("Maker")
promises to pay to the order of Bank One, Texas, National Association ("Payee"),
at  its  banking  quarters  in  Houston,   Harris  County,  Texas,  the  sum  of
THIRTY-SEVEN MILLION, FIVE HUNDRED THOUSAND DOLLARS ($37,500,000.00), or so much
thereof as may be advanced  against this Note  pursuant to the Credit  Agreement
dated of even  date  herewith  by and  between  Maker  and  Payee  (as  amended,
restated,  or supplemented from time to time, the "Credit Agreement"),  together
with interest at the rates and calculated as provided in the Credit Agreement.

          Reference is hereby made to the Credit  Agreement for matters governed
thereby,  including,  without limitation,  certain events which will entitle the
holder  hereof  to  accelerate  the  maturity  of  all  amounts  due  hereunder.
Capitalized  terms used but not  defined  in this Note  shall have the  meanings
assigned to such terms in the Credit Agreement.

          This note is issued pursuant to, is the "Bank One Note" under,  and is
payable  as  provided  in the  Credit  Agreement.  Subject  to  compliance  with
applicable  provisions  of the Credit  Agreement,  Maker may at any time pay the
full amount or any part of this note  without the payment of any premium or fee,
but such payment shall not, until this note is fully paid and satisfied,  excuse
the payment as it becomes due of any  payment on this note  provided  for in the
Credit Agreement.

          Without being limited thereto or thereby,  this note is secured by the
Security Instruments.

          THIS NOTE SHALL BE GOVERNED AND CONTROLLED 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 TO THIS NOTE.

                                      DDD ENERGY, INC.


                                      By: /s/ Debra D. Valice
                                         ----------------------------
                                         Debra D. Valice
                                         Secretary-Treasurer





                                PROMISSORY NOTE

$37,500,000.00                  Houston, Texas                     June 14, 1995

          FOR VALUE  RECEIVED  and  WITHOUT  GRACE,  the  undersigned  ("Maker")
promises to pay to the order of Compass Bank-Houston,  ("Payee"), at its banking
quarters in Houston,  Harris County, Texas, the sum of THIRTY-SEVEN MILLION FIVE
HUNDRED THOUSAND DOLLARS ($37,500,000.00), or so much thereof as may be advanced
against this Note pursuant to the Credit  Agreement  dated of even date herewith
by and between Maker and Payee (as amended,  restated, or supplemented from time
to time,  the  "Credit  Agreement"),  together  with  interest  at the rates and
calculated as provided in the Credit Agreement.

          Reference is hereby made to the Credit  Agreement for matters governed
thereby,  including,  without limitation,  certain events which will entitle the
holder  hereof  to  accelerate  the  maturity  of  all  amounts  due  hereunder.
Capitalized  terms used but not  defined  in this Note  shall have the  meanings
assigned to such terms in the Credit Agreement.

          This note is issued  pursuant to, is the "Compass Note" under,  and is
payable  as  provided  in the  Credit  Agreement.  Subject  to  compliance  with
applicable  provisions  of the Credit  Agreement,  Maker may at any time pay the
full amount or any part of this note  without the payment of any premium or fee,
but such payment shall not, until this note is fully paid and satisfied,  excuse
the payment as it becomes due of any  payment on this note  provided  for in the
Credit Agreement.

          Without being limited thereto or thereby,  this note is secured by the
Security Instruments.

          THIS NOTE SHALL BE GOVERNED AND CONTROLLED 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 TO THIS NOTE.

                                      DDD ENERGY, INC.


                                      By: /s/ Debra D. Valice
                                         ----------------------------
                                         Debra D. Valice
                                         Secretary-Treasurer







                                    GUARANTY

                                       BY

                                  SEITEL, INC.

                                  IN FAVOR OF

                     BANK ONE, TEXAS, NATIONAL ASSOCIATION,
                                INDIVIDUALLY AND
                                    AS AGENT



                                      AND


                             COMPASS BANK-HOUSTON,
                                   AS A BANK


                                 June 14, 1995





                                CREDIT FACILITY
                                       TO
                                DDD ENERGY, INC.

<PAGE>


                               TABLE OF CONTENTS

ARTICLE I   DEFINITIONS AND INTERPRETATION..................................  1
            1.01   Terms Defined Above......................................  1
            1.02   Terms Defined in Credit Agreement........................  1
            1.03   Additional Defined Term..................................  2
            1.04   Other Definitional Provisions............................  2

ARTICLE II  GUARANTY........................................................  2 
            2.01   Guaranty.................................................  2
            2.02   Absolute, Complete and Continuing Guaranty...............  2
            2.03   Liability Not Impaired...................................  3
            2.04   Primary Liability........................................  3
            2.05   Security; Additional Guarantees..........................  3
            2.06   Waivers..................................................  3
            2.07   Pursuit of Remedies; Subrogation.........................  4
            2.08   Status of Borrower.......................................  4
            2.09   Independent Review; Solvency.............................  5
            2.10   Enforcement Costs........................................  5
            2.11   Termination of Guaranty..................................  5

ARTICLE III REPRESENTATIONS AND WARRANTIES..................................  6
            3.01   Due Authorization........................................  6
            3.02   Corporate Existence......................................  6
            3.03   Valid and Binding Obligations............................  6
 
ARTICLE IV  AFFIRMATIVE COVENANTS...........................................  6
            4.01   Maintenance and Access to Records........................  6
            4.02   Additional Information...................................  7
            4.03   Maintenance of Corporate Existence and Good Standing.....  7
            4.04   Compliance with Laws and Payment of Taxes................  7
            4.05   Further Assurances.......................................  7
 
ARTICLE V   MISCELLANEOUS...................................................  7
            5.01   Notices and Other Communications.........................  7
            5.02   Parties in Interest......................................  8
            5.03   Rights of Third Parties..................................  8
            5.04   No Waiver; Rights Cumulative.............................  8
            5.05   Survival Upon Unenforceability...........................  8
            5.06   Amendments; Waivers......................................  9
            5.07   Review of Guaranty.......................................  9
            5.08   Payments.................................................  9
            5.09   GOVERNING LAW............................................  9
            5.10   JURISDICTION AND VENUE...................................  9
            5.11   WAIVER OF RIGHTS TO JURY TRIAL...........................  9
            5.12   ENTIRE AGREEMENT......................................... 10




<PAGE>
                                    GUARANTY


          This  GUARANTY  dated as of June  14,  1995,  is by  SEITEL,  INC.,  a
Delaware  corporation  (the  "Guarantor") in favor of BANK ONE, TEXAS,  NATIONAL
ASSOCIATION,  a national banking  association ("Bank One"),  Individually and as
Agent for the Banks  signatory to the Credit  Agreement (as such term is defined
below)  which is as of this date  COMPASS  BANK-HOUSTON,  a banking  association
("Compass"),  from time to time (together with their  respective  successors and
assigns,  the  "Banks"),  and Bank One,  as agent for the Banks  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  between  DDD  Energy,  Inc.,  a  Delaware
corporation (the "Borrower"), the Agent, and the Banks (as such agreement may be
amended,  restated,  or supplemented from time to time, the "Credit Agreement"),
the Banks have agreed to extend credit to or for the benefit of the Borrower;

          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
Banks to extend  credit to the  account of the  Borrower  pursuant to the Credit
Agreement,  the  Guarantor  has agreed to execute this  Guaranty in favor of the
Agent and the Banks;

          NOW,  THEREFORE,  for and in  consideration  of the  premises  and the
extension  of  credit  by the  Banks  to the  Borrower  pursuant  to the  Credit
Agreement and other good and valuable consideration, the receipt and sufficiency
of which are hereby acknowledged, the parties hereto agree as follows:


                                   ARTICLE I

                         DEFINITIONS AND INTERPRETATION

          1.01 Terms Defined Above. As used in this Guaranty,  each of the terms
"Agent," "Banks",  "Bank One," "Borrower,"  "Compass",  "Credit  Agreement," and
"Guarantor," shall have the meaning indicated above.

          1.02  Terms  Defined  in Credit  Agreement.  Each term  defined in the
Credit  Agreement  and used  herein  without  definition  shall have the meaning
assigned to such term in the Credit Agreement.

<PAGE>

          1.03  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
2.01.

          1.04 Other Definitional Provisions.  (a) The words "hereby," "herein,"
"hereinafter," "hereinabove," "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.

          (b)  Section  and  subsection  references  are to  such  Sections  and
subsections to this Guaranty unless otherwise specified.

          (c) As used herein and in any  certificate  or other  document made or
delivered pursuant hereto,  accounting and financial terms not otherwise defined
shall be defined according to GAAP.


                                   ARTICLE II

                                    GUARANTY

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

          2.02 Absolute,  Complete and Continuing Guaranty. This is an absolute,
complete and continuing Guaranty,  and no notice of the Obligations,  the making
of any  Loans 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
and Banks 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 Banks 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

<PAGE>

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 or corporate 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  made during the term of this Guaranty is
rescinded  or must  otherwise  be  returned  by the Agent or the Banks  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, reasonable attorneys' fees) applicable thereto.

          2.03 Liability Not Impaired.  The  liabilities  and obligations of the
Guarantor  hereunder shall not be affected or impaired by (a) the failure of the
Agent,  the  Banks,  or any other  Person to  exercise  diligence  or other than
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.

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

          2.05 Security;  Additional  Guarantees.  The Guarantor  authorizes the
Agent and the Banks,  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 and/or the
Banks 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.

          2.06 Waivers.  The Guarantor  waives any right to require the Agent or
the  Banks  to (a)  proceed  against  the  Borrower  or make any  effort  at the
collection of the  Guaranteed  Indebtedness  or any other  Obligations  from the
Borrower or any other guarantor or

<PAGE>

Person  liable  for all or any  part of the  Guaranteed  Indebtedness  or  other
Obligations,  (b)  proceed  against  or  exhaust  any  collateral  securing  the
Guaranteed Indebtedness or other Obligations,  or (c) pursue any other remedy in
the power of the Agent or the Banks.  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 (other than Section 34.04).  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.  Except as otherwise  provided in the Credit Agreement,  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 the  Banks to the
Borrower,  and notice of acceptance of this Guaranty,  acceptance on the part of
the Agent or the Banks  being  conclusively  presumed  by its  request  for this
Guaranty  and the  delivery  of this  Guaranty  to the Agent and the Banks.  The
liability and  obligations of the Guarantor  hereunder  shall not be affected or
impaired  by any action or  inaction  by the Agent or the Banks in regard to any
matter waived or notice of which is waived by the Guarantor in this paragraph or
in any other paragraph of this Guaranty.

          2.07 Pursuit of Remedies; Subrogation. The Agent 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.  In no event shall any
payment by the Guarantor entitle it, by subrogation or otherwise,  to any rights
against the Borrower or to  participate in any security now or hereafter held by
the Agent or the Banks prior to the payment in full of all  Obligations  and, in
any  event,  not until 367 days  after the  making  of any  payment  and/or  the
granting  of any  Lien  to  secure  all or any  part of the  Obligations  by the
Borrower or any other guarantor of all or any part of the Obligations.

          2.08 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 any 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.

<PAGE>

          2.09 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,  the  Banks  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  assets and  property
which,  valued  fairly,  exceed the  obligations,  debts and  liabilities of the
Guarantor,  and has and will  have  assets  and  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 and the Banks 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 for the benefit of the Banks an amount equal to the  reasonable
attorneys'  fees and collection  costs incurred by the Agent or the Banks in the
collection of the Guaranteed Indebtedness.

          2.11  Termination of Guaranty.  This Guaranty shall terminate when the
RedmanSmackover Joint Venture properties constitute 10% or less of the Borrowing
Base.

<PAGE>


                                  ARTICLE III

                         REPRESENTATIONS AND WARRANTIES

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

          3.01 Due Authorization. The execution and delivery by the Guarantor of
this Guaranty 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,  do not and will not  require  the  consent of any
Governmental  Authority and do not and will not (a)  contravene or conflict with
any provision of law or the charter or bylaws of the  Guarantor,  (b) 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 (c) result in or require the creation or imposition of
any Lien in, upon or of any Property of the Guarantor  under any such indenture,
instrument or other agreement, other than the Loan Documents.

          3.02  Corporate  Existence.   The  Guarantor  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.

          3.03 Valid and Binding Obligations.  This Guaranty, 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 and the Banks to the  contrary,
the Guarantor covenants, so long as any Obligation remains outstanding or unpaid
or any Commitment exists and until this Guaranty has been terminated pursuant to
the terms hereof, to:

          4.01  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 upon 3 Business Days' prior written request of the Agent or the Banks, prior
to the

<PAGE>

occurrence of an Event of Default and without notice, if after the occurrence of
an Event of Default,  make such records available for inspection by the Agent or
the Banks during  normal  business  hours and, at the expense of the  Guarantor,
allow the Agent or the Banks to make and take away copies thereof.

          4.02  Additional  Information.  Furnish  to the Agent  and each  Bank,
promptly upon the request of the Agent or the Banks,  such additional  financial
or  other  information  concerning  the  assets,  liabilities,   operations  and
transactions  of the  Guarantor  as the Agent or the Banks may from time to time
request.

          4.03  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,
unless the failure to do so would not have a Material Adverse Effect.

          4.04 Compliance with Laws and Payment of Taxes.  Comply with all Laws,
and pay all  Taxes and other  claims,  which,  if  unpaid,  might  become a Lien
against its Property, except any of the foregoing being Contested in Good Faith.

          4.05 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 or the Banks, be necessary to fulfill the terms of the Loan
Documents executed by the Guarantor.


                                   ARTICLE V

                                 MISCELLANEOUS

          5.01  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,
deposited  in the  mail,  certified  mail,  return  receipt  requested,  postage
prepaid,   or,  in  the  case  of  telecopy  notice,  when  receipt  thereof  is
acknowledged orally, addressed as follows:

                  (a)      if to the Agent, to:

                           BANK ONE, TEXAS, NATIONAL ASSOCIATION
                           910 Travis
                           Houston, Texas 77002

<PAGE>

                           Attention: Damien G. Meiburger
                           Telecopy:  (713) 751-3544

         with a copy to:

                           COMPASS BANK-HOUSTON
                           24 Greenway Plaza, Suite 1401
                           Houston, Texas 77046
                           Attention:  Energy Lending
                           Telecopy: (713) 968-8222

                  (b)      if to the Guarantor, to:

                           SEITEL, INC.
                           50 Briar Hollow Lane West
                           7th Floor
                           Houston, Texas  77027
                           Attention:  Ms. Debra D. Valice
                           Vice President-Finance
                           Telecopy:   (713) 627-2319

          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.

          5.02  Parties in  Interest.  This  Guaranty  shall be binding upon and
inure to the benefit of the Guarantor,  the Agent and the Banks, as the case may
be, and their respective legal representatives, successors, and assigns.

          5.03 Rights of Third  Parties.  Except as  expressly  provided in this
Section,  all  provisions  herein are  imposed  solely and  exclusively  for the
benefit  of the Agent and the  Banks.  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, and
any or all of such  provisions  may be freely  waived in whole or in part by the
Agent  and the  Banks at any  time if in  their  sole  discretion  they  deem it
advisable to do so.

          5.04 No Waiver; Rights Cumulative. No course of dealing on the part of
the Agent or the Banks, their officers or employees, nor any failure or delay by
the Agent or the Banks 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
Banks 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.

          5.05 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

<PAGE>

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.

          5.06  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.

          5.07 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.

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

          5.09  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.

          5.10  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 BANKS,  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 THE BANKS IN ACCORDANCE WITH THIS SECTION.

          5.11 WAIVER OF RIGHTS TO JURY TRIAL. THE GUARANTOR, THE AGENT, AND THE
BANKS   HEREBY   KNOWINGLY,   VOLUNTARILY,   INTENTIONALLY,   IRREVOCABLY,   AND
UNCONDITIONALLY  WAIVE  ALL  RIGHTS  TO  TRIAL  BY  JURY  IN ANY  ACTION,  SUIT,
PROCEEDING,  COUNTERCLAIM,  OR OTHER LITIGATION 

<PAGE>

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 THE BANKS 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 BANKS ENTERING INTO THE CREDIT AGREEMENT.

          5.12 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.

                                      SEITEL, INC.


                                      By: /s/ Debra D. Valice
                                         ----------------------------
                                         Debra D. Valice
                                         Vice President-Finance

                                      BANK ONE, TEXAS, NATIONAL
                                      ASSOCIATION, AS AGENT AND AS A BANK

                                      By: /s/ Damien G. Meiburger
                                         ----------------------------
                                         Damien G. Meiburger
                                         Senior Vice President

                                      COMPASS BANK-HOUSTON,
                                      AS A BANK

                                      By: /s/ Kathleen J. Bowen
                                         ----------------------------
                                         Kathleen J. Bowen
                                         Vice President





                               SECURITY AGREEMENT
                                 (Stock Pledge)

                                       BY

                                  SEITEL, INC.

                                  IN FAVOR OF

                BANK ONE, TEXAS, NATIONAL ASSOCIATION, AS AGENT






                                 June 14, 1995





                                CREDIT FACILITY
                              TO DDD ENERGY, INC.






<PAGE>


                               TABLE OF CONTENTS


                                                                           Page

ARTICLE 1  DEFINITIONS AND INTERPRETATION...................................  2
      1.1  Terms Defined Above..............................................  2
      1.2  Terms Defined in Credit Agreement................................  2
      1.3  Additional Defined Terms.........................................  2
      1.4  Undefined Financial Accounting Terms.............................  2
      1.5  Terms Defined in Texas Business and Commerce Code................  2
      1.6  References.......................................................  2
      1.7  Articles and Sections............................................  3
      1.8  Number and Gender................................................  3

ARTICLE 2  SECURITY INTEREST................................................  3
      2.1  Grant of Security Interest in Collateral.........................  3
      2.2  Delivery of Securities...........................................  3
      2.3  Power of Attorney................................................  3

ARTICLE 3  REPRESENTATIONS AND WARRANTIES...................................  5
      3.1  Status of Securities.............................................  5
      3.2  No Material Misstatements........................................  5
      3.3  Ownership and Liens..............................................  5

ARTICLE 4  COVENANTS AND AGREEMENTS.........................................  6
      4.1  Payment of Assessments and Charges...............................  6
      4.2  Delivery of Collateral...........................................  6
      4.3  Further Assurances...............................................  6
      4.4  Prohibited Liens and Filings.....................................  6

ARTICLE 5  RIGHTS AND REMEDIES..............................................  7
      5.1  Remedies Upon Default............................................  7
      5.2  Voting Rights, Dividends, Etc. Prior to Default..................  8
      5.3  Voting Rights, Dividends, Etc. After Default.....................  8
      5.4  Proceeds.........................................................  9
      5.5  Agent Duties.....................................................  9
      5.6  The Agent's Actions..............................................  9

ARTICLE 6  MISCELLANEOUS.................................................... 10
      6.1  Transfer of Obligations and Collateral........................... 10
      6.2  Cumulative Security.............................................. 10
      6.3  Continuing Agreement............................................. 10
      6.4  Cumulative Rights................................................ 11
      6.5  Exercise of Rights............................................... 11
      6.6  Remedy and Waiver................................................ 11
      6.7  Non-Judicial Remedies............................................ 11
      6.8  Preservation of Liability........................................ 11
      6.9  Notices and Other Communications................................. 11
      6.10 Parties in Interest.............................................. 12
      6.11 Amendment and Waiver............................................. 12
      6.12 Invalidity....................................................... 12
      6.13 GOVERNING LAW.................................................... 13
      6.14 JURISDICTION AND VENUE........................................... 13
      6.15 WAIVER OF RIGHTS TO JURY TRIAL................................... 13
      6.16 ENTIRE AGREEMENT................................................. 13


<PAGE>      
                               SECURITY AGREEMENT

                                 (Stock Pledge)


          THIS SECURITY  AGREEMENT  (Stock Pledge) (this  "Security  Agreement")
dated as of June 14,  1995,  is entered  into by and  between  SEITEL,  INC.,  a
Delaware corporation (the "Pledgor"), and BANK ONE, TEXAS, NATIONAL ASSOCIATION,
a national banking  association ("Bank One"),  Individually and as Agent for the
lenders  signatory to the Credit Agreement (as such term is defined below) which
at this time is COMPASS  BANK-HOUSTON,  a banking  association  ("Compass") from
time to time  (together  with  their  respective  successors  and  assigns,  the
"Banks"),  and Bank One, as agent for the Banks 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  between  DDD  Energy,  Inc.,  a  Delaware
corporation (the "Corporation"), the Agent, and the Banks (as such agreement may
be  amended,   restated,   or  supplemented  from  time  to  time,  the  "Credit
Agreement"), the Banks have agreed to extend credit to or for the benefit of the
Corporation;

          WHEREAS,  the  Pledgor  is the  owner  of the  shares  of  issued  and
outstanding  common  stock  described  in Schedule I hereof  (the  "Securities")
issued by the Corporation;

          WHEREAS, the Pledgor, as the sole shareholder of the Corporation, will
derive  substantial direct and indirect benefits from the extension of credit to
or for the  benefit of the  Corporation,  and has  therefore  agreed to guaranty
certain  obligations of the  Corporation  pursuant to the terms of a Guaranty in
favor of the Agent and the Banks of even date herewith (the "Guaranty"); and

          WHEREAS,  pursuant  to the  terms of the  Credit  Agreement  and as an
inducement  to  the  Banks  to  extend  credit  to or  for  the  benefit  of the
Corporation pursuant to the Credit Agreement,  the Pledgor has agreed to execute
this  Security  Agreement  in favor of the Agent for the benefit of the Banks to
secure its obligations under the Guaranty;

          NOW,  THEREFORE,  in  consideration of the premises and for other good
and  valuable  consideration,  the receipt and  sufficiency  of which are hereby
acknowledged, the parties hereto agree as follows:





<PAGE>




                                   ARTICLE 1

                         DEFINITIONS AND INTERPRETATION

          1.1 Terms Defined Above. As used in this Security Agreement, the terms
"Agent,"  "Bank One," "Banks",  "Compass",  "Corporation,"  "Credit  Agreement,"
"Pledgor," Stock Pledge,"  "Securities," and "Security  Agreement" will have the
meanings indicated above.

          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 Security Agreement,  the
following terms will have the meanings indicated:

          (a)  "Collateral"  will  mean  the  Securities  and  the  certificates
   representing  the  Securities;  all dividends,  cash,  instruments  and other
   property from time to time received,  receivable or otherwise  distributed in
   respect  of or in  exchange  for  any or all  of the  Securities,  including,
   without  limitation,  all additional  shares of stock of the Corporation from
   time to time acquired by the Pledgor by way of stock dividend or stock split;
   the certificates  representing such additional shares;  all dividends,  cash,
   instruments  or other  property  from time to time  received,  receivable  or
   otherwise  distributed  in respect of or in  exchange  for any or all of such
   additional  shares;  and  all  proceeds  of  any  of the  foregoing  in  this
   definition.

          (b) "Event of Default" shall mean any Event of Default,  as defined in
   the  Credit  Agreement,  or  the  failure  of  the  Pledgor  to  comply  with
   Regulations  G, T, U or X of the Board of  Governors  of the Federal  Reserve
   System, as amended.

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

          1.5 Terms Defined in Texas  Business and Commerce  Code. Any term used
herein that is defined in the Texas  Business and  Commerce  Code shall have the
meaning assigned to such term therein,  unless the context otherwise requires or
such term is otherwise defined herein.

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




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<PAGE>




          1.7 Articles and Sections.  This Security  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.

          1.8 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 2

                               SECURITY INTEREST

          2.1 Grant of Security Interest in Collateral.  The Pledgor,  for value
received,  the receipt and sufficiency of which are hereby acknowledged,  and to
induce  the Banks to extend  credit to or for the  benefit  of the  Corporation,
hereby  pledges  to the Agent on behalf  of the Banks and  hereby  grants to the
Agent on behalf  of the Banks a first  lien on and a  security  interest  in the
Collateral to secure its guaranty of the  Obligations as such term is defined in
the Credit Agreement of even date herewith,  by and among the  Corporation,  the
Agent and the Banks, as it may be amended,  restated,  or supplemented from time
to time, pursuant to the Guaranty.

          2.2  Delivery  of   Securities.   All   certificates   or  instruments
representing or evidencing the Securities  shall be delivered to and held by the
Agent for the benefit of the Banks,  for the sole purpose of  possession  of the
Collateral or any portion thereof pursuant to this Security Agreement, and shall
be in suitable form for transfer by delivery,  or shall be  accompanied  by duly
executed  instruments  of  transfer  or  assignment  in  blank,  all in form and
substance  satisfactory  to the Agent.  The Agent shall at all times have actual
possession of the  Securities  and shall be deemed to have  possession of any of
the Collateral in transit to it or set apart for it.

          2.3 Power of Attorney. The Pledgor hereby irrevocably  constitutes and
appoints the Agent and any authorized officer or agent thereof,  with full power
of substitution,  as its true and lawful  attorney-in-fact with full irrevocable
power and authority




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<PAGE>



in the place and stead of the  Pledgor  and in the name of the Pledgor or in its
own name,  from  time to time in the  Agent's  discretion,  for the  purpose  of
carrying out the terms of this  Security  Agreement,  and without  notice to the
Pledgor,  to take any and all  appropriate  action  and to  execute  any and all
documents and instruments  which may be necessary or desirable to accomplish the
purposes  of  this  Security  Agreement,   including,  without  limitation,  the
following:

          (a) upon the  occurrence  and during the  continuance  of any Event of
   Default,  to transfer to or register any or all of the Collateral in the name
   of the Agent or any of its nominees;

          (b) to  exchange  the  certificates  or  instruments  representing  or
   evidencing  the  Collateral  for  certificates  or  instruments of smaller or
   larger denominations;

          (c) upon the  occurrence  and during the  continuance  of any Event of
   Default, (i) to receive payment of and receipt for any and all moneys, claims
   and other  amounts due and to become due at any time in respect of or arising
   out of any Collateral,  (ii) to commence and prosecute any suits,  actions or
   proceedings  at law or in equity in any court of  competent  jurisdiction  to
   collect the  Collateral or any part thereof and to enforce any other right in
   respect of any  Collateral,  (iii) to defend any suit,  action or  proceeding
   brought  against  the  Pledgor  by  any  third  party  with  respect  to  any
   Collateral,  (iv) to  settle,  compromise  or  adjust  any  suit,  action  or
   proceeding  described  above  and,  in  connection  therewith,  to give  such
   discharges or releases as the Agent may deem appropriate, and (v) to complete
   any blanks contained in any instruments of transfer or assignment appended to
   or delivered with the certificates representing the Securities; and

          (d)  to  exchange  any of  the  Collateral  for  other  property  upon
   reorganization,  recapitalization  or other  readjustment of the Corporation,
   and in  connection  therewith  to  deposit  any of the  Collateral  with  any
   committee  or  depository  upon such terms as the Agent may  determine;  and,
   subsequent to any Event of Default, to exercise,  at the option of the Agent,
   voting rights as to any of the Collateral;

all without notice and without liability except to account for property actually
received by the Agent.

          The Pledgor  hereby  ratifies all that said attorney shall lawfully do
or cause to be done within the scope of the power of attorney granted hereunder.
This  power  of  attorney  is a power  coupled  with an  interest  and  shall be
irrevocable so long as the Guaranty remains outstanding. The powers conferred on
the Agent  hereunder  are solely to protect the  interests  of the Agent and the
Banks in the  Collateral  and shall not impose any duty upon it to exercise  any
such powers.  The Agent shall be  accountable  only for amounts that it actually
receives as a result of the exercise of




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<PAGE>



such  powers and neither it nor any of its  officers,  directors,  employees  or
agents shall be responsible to the Pledgor for any act or failure to act, except
for gross negligence.

          2.4  Release of  Security  Interest.  The  security  interest  granted
hereunder  secures  Pledgor's  obligations  under  the  Guaranty,  and  shall be
released by Agent and Banks upon  termination  of the  Guaranty  pursuant to its
terms.


                                   ARTICLE 3

                         REPRESENTATIONS AND WARRANTIES

          To induce the Agent and the Banks to enter  into the Credit  Agreement
and to  make  Loans  to or for  the  benefit  of the  Corporation,  the  Pledgor
represents  and warrants to the Agent and the Banks (which  representations  and
warranties  shall survive the delivery of this Security  Agreement and the other
Loan Documents) that:

          3.1 Status of Securities. All signatures on the Securities are genuine
or  authorized;  the transfer of the  Securities by the Pledgor to the Agent for
the benefit of the Banks is  effective;  the Pledgor knows of no fact that might
impair the validity of the  Securities;  and the  Securities  (a) have been duly
authorized,  validly issued,  drawn,  made,  and/or  accepted,  (b) are genuine,
validly  outstanding,  fully  paid,  and  nonassessable,  (c) were not issued in
violation of the  preemptive  rights of any Person or any agreement by which the
Pledgor  or any  issuer  of such  Collateral  is  bound,  and (d)  have not been
materially altered.

          3.2 No Material  Misstatements.  No  information,  exhibit,  or report
furnished  by the  Pledgor  to the  Agent or the  Banks in  connection  with the
negotiation of any Loan Document contained or contains any material misstatement
of fact or omitted to state a material  fact or any fact  necessary  to make the
statements  contained therein,  in light of the circumstances in which they were
made, not misleading.

          3.3 Ownership and Liens.  Except for the security interest in favor of
the Agent for the  benefit of the Banks,  the  Pledgor  owns (and at the time of
transfer or delivery of the  Collateral to the Agent owned or will own) good and
indefeasible  title to the  Collateral  free and  clear  of any  other  security
interests,  liens,  adverse claims, or options; the Pledgor has (and at the time
of transfer or  delivery of the  Collateral  to the Agent had or will have) full
right,  power,  and  authority  to convey,  assign,  transfer,  and  deliver the
Collateral  to the Agent and to grant a security  interest in the  Collateral to
the Agent in the manner provided herein.






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<PAGE>



                                   ARTICLE 4

                            COVENANTS AND AGREEMENTS

          Unless  agreed in writing by the Agent and the Banks to the  contrary,
the Pledgor agrees, so long as the Guaranty remains outstanding.

          4.1 Payment of  Assessments  and Charges.  To pay all taxes,  charges,
liens and  assessments  against  the  Collateral;  and upon the  failure  of the
Pledgor to do so, the Agent at its option may, but will not be obligated to, pay
any of them.

          4.2 Delivery of Collateral. That any and all

          (i) dividends  paid or payable other than in cash and all  instruments
   and other property received,  receivable or otherwise  distributed in respect
   of or in exchange for any Collateral,

          (ii)  dividends  and other  distributions  paid or  payable in cash in
   respect of any Collateral in connection  with a partial or total  liquidation
   or dissolution or in connection with a reduction of capital,  capital surplus
   or paid-in surplus, and

          (iii)  cash  paid,  payable  or  otherwise  distributed  in respect of
   principal of, in redemption of or in exchange for any Collateral,

shall be forthwith  delivered to the Agent to hold as Collateral for the benefit
of the Banks and shall, if received by the Pledgor, be received in trust for the
benefit of the Agent and the Banks,  be  segregated  from the other  property or
funds of the Pledgor,  and be forthwith  delivered to the Agent as Collateral in
the same form as so received (with any necessary endorsement).

          4.3 Further Assurances.  To promptly cure any defects in the execution
and delivery of any of the Loan  Documents  executed by the Pledgor and execute,
acknowledge,  and deliver such other  assurances and  instruments  and take such
other action as shall,  in the reasonable  opinion of the Agent, be necessary to
fulfill the terms of the Loan Documents  executed by the Pledgor and to confirm,
perfect,  and preserve the security  interest created and intended to be created
hereby  and to vest  more  completely  in and  assure to the Agent and the Banks
their rights under this Security Agreement.

          4.4 Prohibited Liens and Filings.  That it will not pledge,  mortgage,
or otherwise encumber,  create, or suffer a security interest to exist in any of
the Collateral (other than in favor of the Agent) or sell,  assign, or otherwise
transfer any of the  Collateral to anyone other than the Agent or file or permit
to be filed any financing statement or other security instrument with respect to
the Collateral other than in favor of the Agent.





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<PAGE>




                                   ARTICLE 5

                              RIGHTS AND REMEDIES

          5.1 Remedies  Upon  Default.  (a) Upon the  occurrence  and during the
continuance  of an Event of Default,  the Agent may, at its option,  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, all of which are
hereby  expressly  waived by the  Pledgor,  and may  exercise  any and all other
remedies provided by law or pursuant to the Loan Documents.

          (b) If all  or any  part  of the  Obligations  shall  become  due  and
payable, the Agent may then, or at any time thereafter, apply, set-off, collect,
sell  in  one  or  more  sales,  or  otherwise  dispose  of,  any  or all of the
Collateral,  in its then  condition or  following  any  commercially  reasonable
preparation or processing,  in such order as the Agent may elect.  Any such sale
may be made  either at public or private  sale at the place of  business  of the
Agent, any brokers' board or securities  exchange or elsewhere,  either for cash
or upon credit or for future delivery, at such price as the Agent may deem fair.
The Agent or the Banks may be the purchaser of any or all Collateral so sold and
may hold the same thereafter in its own right free from any claim of the Pledgor
or right of  redemption.  No such  purchase or holding by the Agent or the Banks
shall be deemed a  retention  by the Agent or the Banks in  satisfaction  of the
Obligations.  All demands,  notices, and advertisements,  and the presentment of
property  at  sale  are  hereby  waived.  If,   notwithstanding   the  foregoing
provisions, any applicable provision of the Uniform Commercial Code or other law
requires the Agent to give reasonable  notice of any such sale or disposition or
other action, ten days' prior written notice shall constitute reasonable notice.
The Agent may  require  the  Pledgor  to  assemble  the  Collateral  and make it
available  to the Agent at a place  designated  by the Agent that is  reasonably
convenient to the Agent and the Pledgor.  Any sale hereunder may be conducted by
an auctioneer or any officer or agent of the Agent.

          (c) In connection with the sale of Collateral  which is stock or other
investment securities, the Agent must limit prospective purchasers to the extent
deemed  necessary  or advisable by the Agent to render such sale exempt from the
registration requirements of the Securities Act of 1933, as amended (the "Act"),
and any applicable  state  securities laws. No sale so made in good faith by the
Agent  shall be deemed  not to be  "commercially  reasonable"  because  so made;
provided,  however,  that nothing in this Security  Agreement shall be deemed to
impose any obligation whatsoever to file a registration  statement under the Act
or any state securities law with respect to any sale of Collateral by the Agent.





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<PAGE>



          5.2 Voting Rights, Dividends, Etc. Prior to Default.

          So long as no Event of Default shall have occurred and be continuing:

          (a) the Pledgor  will be  entitled to exercise  any and all voting and
   other consensual  rights pertaining to the Collateral or any part thereof for
   any purpose not inconsistent with the terms of this Security Agreement;

          (b) subject to the further provisions of this Security Agreement,  the
   Pledgor shall be entitled to receive and retain any and all dividends paid in
   respect of the Collateral; provided, however, that any and all

                   (i)  dividends  paid or payable  other than in cash
              and  all  instruments   and  other  Property   received,
              receivable, or otherwise distributed in respect of or in
              exchange for any Collateral,

                   (ii)  dividends  and  other  distributions  paid or
              payable  in  cash  in  respect  of  any   Collateral  in
              connection  with  a  partial  or  total  liquidation  or
              dissolution  or  in  connection   with  a  reduction  of
              capital, capital surplus or paid-in surplus, and

                   (iii) cash paid,  payable or otherwise  distributed
              in  respect  of  principal  of, in  redemption  of or in
              exchange for any Collateral,

   shall be  forthwith  delivered  to the  Agent to hold as  Collateral  for the
   benefit of the Banks and shall,  if received by the  Pledgor,  be received in
   trust for the benefit of the Banks,  be segregated from the other property or
   funds of the Pledgor,  and be forthwith  delivered to the Agent as Collateral
   in the same form as so received (with any necessary endorsement); and

          (c) the Agent shall  execute and deliver (or cause to be executed  and
   delivered)  to the Pledgor  all such  proxies  and other  instruments  as the
   Pledgor may  reasonably  request  for the purpose of enabling  the Pledgor to
   exercise  the  voting  and other  rights  which it is  entitled  to  exercise
   pursuant to Section  5.2(a)  above and to receive the  dividends  which it is
   authorized to receive and retain.

          5.3 Voting Rights,  Dividends, Etc. After Default. Upon the occurrence
and during the continuance of an Event of Default:

          (a) at the option of the Agent with notice to the Pledgor,  all rights
   of the Pledgor to exercise  the voting and other  consensual  rights which it
   would otherwise be entitled to exercise  pursuant to Section 5.2(a) above and
   to receive the dividends and interest payments which it would otherwise be




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   authorized to receive and retain pursuant to Section 5.2(b) above shall cease
   and shall thereupon  become vested in the Agent, who shall thereupon have the
   sole right to exercise such voting and other consensual rights and to receive
   and hold as Collateral such dividends; and

          (b) all  dividends  which are received by the Pledgor  contrary to the
   provisions of Section 5.3(a) above shall be received in trust for the benefit
   of the Agent,  shall be segregated  from other funds of the Pledgor and shall
   be  forthwith  paid  over to the Agent as  Collateral  in the same form as so
   received (with any necessary endorsement).

          5.4 Proceeds. Prior to all or any part of the Obligations becoming due
and  payable  as  specified  in  Section  5.1,  all cash sums or other  property
received by the Agent or the Banks on account of the Collateral shall be held as
Collateral.  After  all or any  part of the  Obligations  shall  become  due and
payable  as  specified  in  Section  5.1,  the  proceeds  of any  sale or  other
disposition  of the  Collateral  and all sums received or collected by the Agent
from or on account of the Collateral shall be applied by the Agent in the manner
set forth in ss.9.504 of the UCC.

          5.5 Agent Duties.  The Agent shall be under no duty whatsoever to make
or give any  presentment,  demand  for  performance,  notice of  nonperformance,
protest,  notice of protest,  notice of  dishonor,  or other notice or demand in
connection  with  any  Collateral  or the  Obligations,  or to  take  any  steps
necessary to preserve any rights against prior  parties.  The Agent shall not be
liable for failure to collect or realize upon any or all of the  Obligations  or
Collateral,  or for any delay in so doing, nor shall the Agent be under any duty
to take  any  action  whatsoever  with  regard  thereto.  The  Agent  shall  use
reasonable  care  in the  custody  and  preservation  of any  Collateral  in its
possession.  The Agent shall have no duty to comply with any recording,  filing,
or other legal  requirements  necessary to  establish or maintain the  validity,
priority,  or  enforceability  of, or the  Agent's  rights in or to,  any of the
Collateral.

          5.6 The Agent's  Actions.  The Pledgor waives any right to require the
Agent or the Banks to proceed  against any person,  exhaust  any  collateral  or
pursue  any other  remedy in the  Agent's  power;  waives  any and all notice of
acceptance of this Security Agreement or of creation, modification,  renewal, or
extension for any period of any  Obligations;  and waives any defense arising by
reason  of any  disability  or other  defense  of the  Corporation  or any other
guarantor or Person  primarily or secondarily  liable with respect to all or any
portion of the Obligations ("Other Liable Party"), or by reason of the cessation
from any cause  whatsoever  of the  liability  of the  Corporation  or any Other
Liable Party.  All dealings between the Corporation or the Pledgor and the Agent
and the Banks shall  conclusively be presumed to have been had or consummated in
reliance upon this Security Agreement. Until all




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Obligations  shall have been paid and/or  performed  in full and the  Commitment
shall have terminated,  or the Guaranty has been released, the Pledgor (i) shall
have no right to  subrogation,  (ii) waives any right to enforce any remedy that
the Agent or the Banks now has or may hereafter have against the  Corporation or
any Other Liable Party, and (iii) except as otherwise expressly provided in this
Security  Agreement,  waives  any  benefit  of and right to  participate  in any
collateral  or security  whatsoever  now or  hereafter  held by the Agent or the
Banks.


                                   ARTICLE 6

                                 MISCELLANEOUS

          6.1 Transfer of Obligations  and  Collateral.  Subject to the terms of
the Credit Agreement,  the Pledgor hereby agrees that the Banks may transfer any
or all of its portion of the Obligations.  Upon any such transfer, such Bank may
transfer  any or all  of  its  rights  in the  Collateral  and  shall  be  fully
discharged  thereafter  from all  liability  with respect to the  Collateral  so
transferred,  and the transferee  shall be vested with all rights,  powers,  and
remedies of such Bank hereunder  with respect to Collateral so  transferred  and
shall assume any of such transferring  Bank's  liabilities.  With respect to any
Collateral not so  transferred,  the Agent and the remaining  Banks shall retain
all rights, powers, and remedies hereby given. The Agent may at any time deliver
any or all of the  Collateral to the Pledgor,  whose receipt shall be a complete
and full  acquittance  for the  Collateral so  delivered,  and the Agent and the
Banks shall thereafter be discharged from any liability therefor.

          6.2 Cumulative  Security.  The execution and delivery of this Security
Agreement in no manner shall impair or affect any other security (by endorsement
or otherwise) for the payment of the Obligations. No security taken hereafter as
security  for payment of all or any portion of the  Obligations  shall impair in
any  manner or affect  this  Security  Agreement.  All such  present  and future
additional security is to be considered as cumulative security.

          6.3  Continuing  Agreement.  This is a  continuing  agreement  and the
conveyance  hereunder  shall remain in full force and effect and all the rights,
powers,  and  remedies of the Agent and the Banks  hereunder  shall  continue to
exist  until the  Obligations  shall be paid in full as the same  become due and
payable and the Commitment has terminated, or the Guaranty has been released and
the Agent,  upon  request of the  Pledgor,  has  executed a written  termination
statement,  reassigned to the Pledgor,  without recourse, the Collateral and all
rights and liens  conveyed  hereby and returned  possession of the Collateral to
the Pledgor.  Furthermore,  it is  contemplated by the parties hereto that there
may  be  times  when  no  Obligations  shall  be  owing.   Notwithstanding  such
occurrences,  this  Security  Agreement  shall remain valid and shall be in full
force




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<PAGE>



and effect as to subsequent Obligations provided that the Agent has not executed
a written termination statement and returned possession of the Collateral to the
Pledgor.  Otherwise,  this Security Agreement shall continue irrespective of the
fact that the  liability of the  Corporation  or any Other Liable Party may have
ceased and  notwithstanding  the death or incapacity of the Pledgor or any Other
Liable Party or any other event or  proceeding  affecting the  Corporation,  the
Pledgor, and/or any Other Liable Party.

          6.4 Cumulative Rights.  The rights,  powers, and remedies of the Agent
and the Banks hereunder shall be in addition to all rights, powers, and remedies
given by statute or rule of law and are  cumulative.  The exercise of any one or
more of the rights,  powers, and remedies provided herein shall not be construed
as a waiver of any other rights,  powers, and remedies.  The Agent and the Banks
shall have the rights,  powers,  and remedies of a secured party under the Texas
Business and Commerce Code, as amended.

          6.5  Exercise  of  Rights.  Time  shall  be of  the  essence  for  the
performance of any act under this Security Agreement by the Pledgor, but neither
the Agent's or the Banks's acceptance of partial or delinquent  payments nor any
forbearance,  failure,  or delay by the Agent in exercising any right,  power or
remedy  shall  be  deemed  a  waiver  of  any  obligation  of the  Pledgor,  the
Corporation,  or any Other Liable Party or of any right, power, or remedy of the
Agent or the Banks or preclude  any other or further  exercise  thereof;  and no
single or partial  exercise of any right,  power,  or remedy shall  preclude any
other or further exercise thereof or the exercise of any other right,  power, or
remedy.

          6.6  Remedy  and  Waiver.  The Agent may  remedy or waive any  default
without waiving the default remedied or waiving any prior or subsequent default.

          6.7 Non-Judicial  Remedies. The Agent may enforce its rights hereunder
without  prior  judicial  process or judicial  hearing.  The  Pledgor  expressly
waives,  renounces,  and knowingly  relinquishes  any and all legal rights which
might otherwise require the Agent to enforce its rights by judicial process.  In
so providing for non-judicial remedies, the Pledgor recognizes and concedes that
such  remedies are  consistent  with the usage of the trade,  are  responsive to
commercial  necessity  and are the result of bargain  at arm's  length.  Nothing
herein is  intended  to  prevent  the Agent or the  Pledgor  from  resorting  to
judicial process at such party's option.

          6.8 Preservation of Liability. Neither this Security Agreement nor the
exercise by the Agent or the Banks of (or the failure to so exercise) any right,
power, or remedy  conferred herein or by law shall be construed as relieving the
Pledgor  or any Other  Liable  Party  from full  liability  thereon  and for any
deficiency thereon.





                                       11

<PAGE>



          6.9  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,
when 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, 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 Pledgor, to:

                         DDD Energy, Inc.
                         50 Briar Hollow Lane, 7th Floor
                         Houston, Texas 77027
                         Attention:  Ms. Debra D. Valice
                         Telecopy:  (713) 627-2319

          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.

          6.10  Parties  in  Interest.   All  covenants  and  agreements  herein
contained  by or on behalf of the Pledgor or the Agent shall be binding upon and
inure to the benefit of the Pledgor,  the Agent,  or the Banks,  as the case may
be, and their respective legal representatives, successors, and assigns.

          6.11 Amendment and Waiver.  This Security Agreement may not be amended
nor may any of its terms be waived  except in writing  duly  signed by the party
against whom enforcement of the amendment or waiver is sought.

          6.12  Invalidity.  If any  provision  of this  Security  Agreement  is
rendered  or  declared  illegal,  invalid,  or  unenforceable  by  reason of any
existing or subsequently  enacted legislation or by a judicial decision that has
become  final,  the  Pledgor  and the Agent shall  promptly  meet and  negotiate
substitute provisions for those




                                       12

<PAGE>



rendered illegal, invalid, or unenforceable, but all of the remaining provisions
shall remain in full force and effect.

          6.13  GOVERNING LAW. THIS SECURITY  AGREEMENT  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.

          6.14  JURISDICTION  AND VENUE. ALL ACTIONS OR PROCEEDINGS WITH RESPECT
TO,  ARISING  DIRECTLY OR INDIRECTLY IN CONNECTION  WITH, OUT OF, RELATED TO, OR
FROM THIS SECURITY  AGREEMENT OR ANY OTHER LOAN DOCUMENT TO WHICH THE PLEDGOR 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 PLEDGOR 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 THE BANKS IN ACCORDANCE WITH THIS SECTION.

          6.15 WAIVER OF RIGHTS TO JURY TRIAL.  THE PLEDGOR 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 SECURITY AGREEMENT
OR ANY OTHER LOAN  DOCUMENT OR THE ACTS OR OMISSIONS OF THE AGENT OR ANY BANK IN
THE ENFORCEMENT OF ANY OF THE TERMS OR PROVISIONS OF THIS SECURITY  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 BANKS ENTERING INTO
THE CREDIT AGREEMENT.

          6.16 ENTIRE AGREEMENT.  THIS SECURITY AGREEMENT 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
SECURITY 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.





                                       13

<PAGE>



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

                                      SEITEL, INC.



                                      By: /s/ Debra D. Valice
                                         ----------------------------
                                         Debra D. Valice
                                         Vice President-Finance

                                      BANK ONE, TEXAS, NATIONAL
                                      ASSOCIATION, AS AGENT

                                      By: /s/ Damian G. Meiburger
                                         ----------------------------
                                         Damien G. Meiburger
                                         Senior Vice President



                                       14

<PAGE>



                                   SCHEDULE I


                                       Stock                             Number
     Stock                             Class           Par                 of
     Issuer         Stock               No.           Value              Shares


DDD Energy, Inc .   Common               1            $0.01              1,000




                                       i



                1995 SHAREHOLDER VALUE INCENTIVE BONUS PLAN



         Seitel, Inc., a Delaware corporation (the "Company"), hereby adopts the
following 1995 Shareholder  Value Incentive Bonus Plan (the "Plan") effective as
of February 1, 1995 (the "Effective Date"),  subject to shareholder  approval as
set forth herein.


                                   I. PURPOSE

         The Plan is  intended  as an  employment  incentive,  to  retain in the
employment of the Company and its majority owned  subsidiaries  ("Subsidiaries")
persons of training,  experience,  and ability,  to attract new employees  whose
services are  considered  valuable to the Company,  and to stimulate  the active
interest  of such  persons  in the  development  and  financial  success  of the
Company, as evidenced by the market price of the Company's common stock.


                        II. BONUS AMOUNT AND CONDITIONS

         The Company shall pay an aggregate  bonus in the sum of $4,000,000 (the
"Bonus") to participants under the Plan ("Participants") if the closing price of
the Company's common stock, par value $0.01 per share, as traded on the New York
Stock  Exchange  (or,  should  the  Company's  common  stock  cease to be listed
thereon,  on any other  nationally  recognized stock exchange) equals or exceeds
$60.00  per share  (the  "Target  Price")  on or  before  April  30,  1998,  and
thereafter  equals or  exceeds  the  Target  Price  for a period of ninety  (90)
consecutive  days (the "Target  Date").  If the closing  price of the  Company's
common stock does not reach the Target  Price on or before  April 30,  1998,  or
does not remain above the Target Price for such 90  consecutive  day period,  no
Bonus shall be payable  hereunder.  The Board of Directors of the Company  shall
make  appropriate  adjustments to the Target Price in the event of any change in
the common stock of the Company through the declaration of stock  dividends,  or
through recapitalization resulting in stock splits, or combinations or exchanges
of shares, or any similar transactions.


                               III. PARTICIPATION

         Only those  persons who are  salaried  employees  of the Company or its
Subsidiaries on the Target Date will be qualified as Participants under the Plan
and entitled to receive any bonus hereunder.  Each Participant shall be entitled
to  receive a bonus,  subject  to  vesting  as  specified  herein,  equal to the
aggregate Bonus  ($4,000,000)  multiplied by a fraction,  the numerator of which
shall be the total  compensation  paid to the  Participant  by the  Company  (or
applicable  Subsidiary)  during the period  beginning on the Effective  Date and
ending on the Target Date (the  "Calculation  Period"),  and the  denominator of
which  shall  be the sum of all  compensation  paid to all  Participants  by the
Company and its  Subsidiaries  during the Calculation  Period (a  "Participant's
Bonus").  Notwithstanding anything herein to the contrary, compensation received
by a Participant from a Subsidiary that is not wholly-owned by the Company shall
be  multiplied  by  the  percentage  of  the  outstanding  voting  stock  of the
Subsidiary owned by the Company at the time of receipt of such  compensation for
the purposes of calculating  Participants' Bonuses hereunder.  Compensation,  as
used to  determine  a  Participant's  Bonus  hereunder,  shall  include  salary,
commissions,  bonuses based on revenues,  profits,  earnings,  sales, or similar
financial  performance  levels, and car allowances,  but shall not include other
fringe  benefits,  employer  contributions  to the 1988  Incentive  Compensation
Program,  retirement  or  401(k)  plans,  bonuses  based on  stock  performance,
compensation   deemed  to  be  received   upon   exercise   of  stock   options,
reimbursements, or living allowances.


<PAGE>


                                  IV. VESTING

         Each Participant shall vest in his or her Participant's Bonus in twelve
(12)  portions,  the first  portion of which will vest on the Target  Date,  the
second portion of which will vest on the first day of the third month  following
the month in which the Target Date occurs,  and the remaining  portions of which
shall  vest on the first day of each  third  month  thereafter  (each a "Vesting
Date"). Participants shall vest as to 6.25% of their Participant's Bonus on each
of the first four Vesting Dates, as to 8.75% of their Participant's Bonus on the
next four Vesting Dates, and as to 10% of their  Participant's  Bonus on each of
the last four Vesting  Dates.  No  Participant  shall vest in and be entitled to
payment of any  quarterly  payment of the  Participant's  Bonus (as  provided in
Section V hereof)  unless on such Vesting Date such  Participant is and has been
at all times  since the Target  Date a  salaried  employee  of the  Company or a
Subsidiary.  Should  any  Participant  cease to be a  salaried  employee  of the
Company or a Subsidiary,  the unvested portion of the Participant's  Bonus shall
be  forfeited,  and the  Participant  shall no longer be entitled to receive any
unvested portions of the Participant's Bonus. Notwithstanding the foregoing, any
Participant  terminated  without  cause  after the  Target  Date shall upon such
termination  without  cause  become  immediately  vested in one-half of any then
unvested  portion  of the  Participant's  Bonus  (and  shall  forfeit  the other
one-half of the then unvested portion), and the Company shall pay the portion of
such Bonus vesting upon such  termination  without cause to such  Participant in
full within 30 days of such termination.  In the event of termination with cause
of a Participant or a death or permanent disability of any Participant occurring
while such  Participant  is a salaried  employee of the Company or a Subsidiary,
all of the unvested portion of the Participant's  Bonus shall be forfeited.  Any
amount of any  Participant's  Bonus that is forfeited shall be  redistributed to
the other Participants proportionally based on the Participants' Bonuses of such
remaining Participants.

         As used herein,  "termination  without  cause" shall mean a termination
not justified by poor job performance,  employee  misconduct or misbehavior,  or
any other justifiable  reason.  Nothing herein shall be construed as placing any
restrictions  on the ability of the Company or any  Subsidiary  to terminate any
employee at any time.


                               V. BONUS PAYMENTS

         The  Company  shall  pay  each   Participant   his  or  her  respective
Participant's Bonus in twelve (12) quarterly payments, the amount of which shall
be  equal  to the  portion  of the  Participant's  Bonus  having  vested  on the
immediately  preceding Vesting Date. The first such payment shall be made on the
first day of the month following the month in which the Target Date occurs,  and
subsequent  payments  shall  be  made  on the  first  day of  each  third  month
thereafter  (each a "Bonus Payment Date") until the  Participants'  Bonuses have
been paid in full.


                               VI. CERTAIN EVENTS

         In the event the Company shall be a party to any merger,  consolidation
or  corporate  reorganization,  as the result of which the Company  shall be the
surviving corporation, the rights and duties of the Participants and the Company
shall not be affected in any manner.  In the event the Company shall sell all or
substantially all of its assets or shall be a party to any merger, consolidation
or corporate reorganization, as the result of which the Company shall not be the
surviving organization, or in the event any other corporation makes a successful
tender or  exchange  offer for more  than 50% of the stock of the  Company  (the
surviving  corporation,  purchaser,  or tendering  corporation being hereinafter
collectively   referred  to  as  the  "purchaser,"  and  the  transaction  being
hereinafter  referred to as the "purchase"),  and the Board of Directors obtains
the agreement of the purchaser to assume the  obligations  of the Company to pay
the remaining  payments of  Participants'  Bonuses pursuant to the terms hereof,
then the rights and duties of the  Participants  and the  Company (as assumed by
the purchaser) shall not be affected in any manner.  If the Company is purchased
and the Board of Directors  does not obtain such  agreement of the  purchaser to
assume such  obligations  on or before the date of such  purchase,  all unvested
portions of all  Participants'  Bonuses  that have not been  forfeited as of the
date of such purchase shall be accelerated and shall be immediately  paid to all
such Participants by the Company.


<PAGE>
                           VII. SHAREHOLDER APPROVAL

         In  adopting  this Plan,  the Board of  Directors  of the  Company  has
directed  that the Plan be submitted for approval by the  shareholders  at their
next annual meeting.  If the Plan is not approved by the affirmative vote of the
majority  of shares of the  Company's  common  stock  present and voting at such
meeting at which a quorum is present,  the Board of Directors reserves the right
to amend or revoke the Plan in its sole discretion.


                          VIII. COMPENSATION COMMITTEE

         The  performance  goals under this Plan (including the Target Price and
the  time  period  in  which  it  must  be  attained)  were  determined  by  the
Compensation  Committee of the Board of  Directors  of the  Company.  Before the
Company  shall be obligated  to make any payments of Bonus under this Plan,  the
Compensation  Committee  shall certify to the Board that the material  terms and
performance goals hereunder have been met, which  determination shall be made by
the Compensation Committee in its sole discretion.


                               IX. GOVERNING LAW

         The Plan shall be governed by and construed in accordance with the laws
of the State of Texas.




                 SEITEL, INC. 1993 INCENTIVE STOCK OPTION PLAN
                 Statement of Amendments Effective May 12, 1995

     1.   Section II(5) is hereby amended to read as follows:

          Eligible Employee shall mean any person who is employed by the Company
          or a  Subsidiary,  including,  but not limited to, any employee who is
          also an officer and director of the Company or a  Subsidiary,  but not
          including any director who serves on the Committee.


     2.   The first sentence of Section V is hereby amended to read as follows:

          Subject to adjustment  as provided in Section VIII hereof,  a total of
          Seven Hundred Thousand (700,000) shares of Common Stock of the Company
          (the "Shares") shall be subject to the Plan.


     3.   The first sentence of the section headed  "Eligibility"  under Section
          VI is hereby amended to read as follows:

          Employees  of the  Company or a  Subsidiary  who are in a position  to
          materially  contribute to the Company's or such  Subsidiary's  success
          shall be eligible for participation under the Plan.


     4.   The section headed  "Maximum Annual Amount Per Employee" under Section
          VII is hereby  amended by adding the following  sentence at the end of
          such section:

          In no event  will any  Participant  be  granted  under the Plan in any
          calendar year Options to purchase more than 100,000 Shares, subject to
          adjustment as provided in Section VIII hereof.




                                  SEITEL, INC.

                            1995 WARRANT RELOAD PLAN


       The Board of Directors of Seitel,  Inc. (the  "Company") has adopted this
1995 Warrant Reload Plan (the "Plan"), effective as of January 1, 1995. The Plan
applies only to the 61 warrantholders (the "Warrantholders") and the warrants to
purchase  common  stock  of the  Company  held by the  Warrantholders  as of the
effective date hereof (the "Warrants"),  which  Warrantholders  and Warrants are
listed on Exhibit A hereto.

       1. The Company  shall,  on  exercise  of any  Warrant by a  Warrantholder
according to the terms  thereof at any time prior to expiration  thereof,  grant
replacement warrants ("Replacement  Warrants") to the exercising  Warrantholder.
Such  Replacement  Warrants  shall be granted  effective on the later of (i) the
exercise of the applicable Warrant or (ii) either confirmation from the New York
Stock Exchange that  stockholder  approval of this Plan is not required,  or, in
the event that the  Exchange  advises the Company that  stockholder  approval is
required, upon such approval by the stockholders of the Company.

       2.  Warrantholders who are not a director or employee of the Company or a
majority-owned  subsidiary  as of the date of exercise of a Warrant shall not be
entitled to be granted Replacement Warrants under this Plan with respect to such
exercise.  Warrantholders  will not be  entitled  to any  grant  of  Replacement
Warrants under this Plan upon exercise of Replacement Warrants.

       3. The  Replacement  Warrants  shall  expire  on the same  date  that the
exercised  Warrant would have expired,  and shall entitle the  Warrantholder  to
purchase the same number of shares of Company common stock as the  Warrantholder
purchased upon exercise of such Warrant.  The Replacement Warrants shall have an
exercise  price equal to either (i) the closing price of Company common stock as
reported on the New York Stock  Exchange on the  effective  date of grant of the
Replacement  Warrant, or (ii) at the request of the Warrantholder,  such greater
exercise price as may be required to avoid the imposition of short-swing profits
liability  under  Section 16 of the  Securities  Exchange  Act of 1934,  and the
regulations thereunder.

       4. No  Replacement  Warrant  shall be  exercisable  until the Company has
received  notice from the New York Stock Exchange that the shares  issuable upon
exercise  of the  Replacement  Warrants  have been  approved  for listing on the
Exchange  subject to issuance.  The Company may place other  restrictions on the
exercisability  of the  Replacement  Warrants  as may be required to comply with
applicable  laws,  including  but  not  limited  to  restrictions   limiting  or
prohibiting  exercise prior to  registration  pursuant to applicable  securities
laws of the shares issuable upon exercise.

       5. The  Replacement  Warrants  shall not be sold,  transferred,  pledged,
assigned,   hypothecated  or  otherwise   disposed  of  in  any  manner  by  any
Warrantholder  except by will or by the laws of descent  and  distribution,  and
shall not be assignable by operation of law or subject to execution,  attachment
or similar process.

       6.  Except as set  forth in this  Plan,  the  Replacement  Warrants  will
contain substantially the same terms and conditions as the Warrants.

       7. The Board of Directors  reserves  the right to terminate  this Plan at
any time upon notice to the Warrantholders,  and no Warrantholder shall have any
rights  or claims  against  the  Company  upon  such  termination,  it being the
intention of this Plan that the right to any grant of Replacement Warrants shall
not vest in any Warrantholder  until exercise of a Warrant,  and shall then vest
only as to the grant of a  Replacement  Warrant with respect to such exercise of
such Warrant.


<PAGE>
                                                                       Exhibit A


                   SEITEL, INC.

             1995 Warrant Reload Plan
          Listing of Warrant Holders and
            Warrants Outstanding as of
                  January 1, 1995

              
                                       Warrants
Employee                              Outstanding

Brian Adsit                                   4,569
Linda Diane Allison                             418
Debra Bartholowmew                               85
Richard Boespflug                               302
James Bowers                                    270
Peter Bryant                                    340
William Burke                                 1,443
Horace Calvert                              345,399
Margaret Carpenter                              532
Robert Choate                                 2,585
John Cox                                        405
Walter Craig                                 30,652
Angela Cunningham                               133
Twana Dryer                                     559
Karen Duxbury                                 8,882
Otis Elmore                                     510
Juan Falcon                                     253
Allan Filipov                                 2,419
Paul Frame                                  345,399
Arthur Freeman                                4,513
Jay Green                                    24,271
James Harley                                  6,461
Cheryl Heath                                    944
Mary Hopping                                     99
Wanda Jones                                     281
Tammy Holbrook                                  455
Marcia Kendrick                                 952
Philip Koine                                    460
David Lawi                                  202,863
David Scott Lemke                               537
Doreen Lorenzo                                4,846
Jesse Marion                                 10,577
Allana Ruby                                  20,963
Kathy McCarty                                   523
James McGinnis                                1,752
Joe Morgan                                   26,324
Juan Nieto                                       26
Thomas Norton                                   375
Michael Oline                                   457


<PAGE>
                                                                       Exhibit A






                   SEITEL, INC.


             1995 Warrant Reload Plan
          Listing of Warrant Holders and
            Warrants Outstanding as of
                  January 1, 1995
                   


                                       Warrants
Employee                              Outstanding

Charles Patterson                             1,418
Herbert Pearlman                            245,291
Cathryn Penn                                    196
Charles Puckett                                 352
Paul Richard                                  4,908
Jay Rives                                   123,463
Steven Sahinen                                2,583
Charles Scalf                                   155
Rick Schmid                                   2,623
Lori Segeth                                   2,458
Jay Silverman                                 3,282
Robert Simon                                 34,229
Samuel Sloan                                    625
Christopher Talbot                            6,080
Kyle Tillman                                  3,794
Karen Underwood                                 791
Debra Valice                                 78,666
Richard Veazy                                   349
Ysidro Villarreal                               834
David Wegner                                 80,627
James Cortis Wilson                              69
Phillip Worsham                                 495

                                          1,646,122

<TABLE> <S> <C>

<ARTICLE>         5
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1995
<PERIOD-END>                               JUN-30-1995
<CASH>                                           1,746
<SECURITIES>                                         0
<RECEIVABLES>                                   42,498
<ALLOWANCES>                                       100
<INVENTORY>                                          0
<CURRENT-ASSETS>                                     0<F1>
<PP&E>                                          50,468<F2>
<DEPRECIATION>                                   6,361
<TOTAL-ASSETS>                                 194,678
<CURRENT-LIABILITIES>                                0<F1>
<BONDS>                                         32,799
<COMMON>                                            93
                                0
                                          0
<OTHER-SE>                                     115,686
<TOTAL-LIABILITY-AND-EQUITY>                   194,678
<SALES>                                         45,693
<TOTAL-REVENUES>                                45,693
<CGS>                                           10,680
<TOTAL-COSTS>                                   10,680
<OTHER-EXPENSES>                                     0
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               1,721
<INCOME-PRETAX>                                 10,024
<INCOME-TAX>                                     3,709
<INCOME-CONTINUING>                              6,315
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     6,315
<EPS-PRIMARY>                                    0.650
<EPS-DILUTED>                                    0.630
<FN>
<F1>The Company does not present a classified balance sheet; therefore,  current
assets and current  liabilities  is not  reflected  in the  Company's  financial
statements.
<F2>PP&E  does not include  seismic data bank assets with a cost of
$220,300,000  and  related  accumulated  amortization  of  $116,866,000. 
</FN>
        

</TABLE>


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