CLAYTON WILLIAMS ENERGY INC /DE
10-Q, 1996-08-13
CRUDE PETROLEUM & NATURAL GAS
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                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                  FORM 10-Q
          
  [XX]        Quarterly Report Pursuant to Section 13 or 15(d)
                     of the Securities Exchange Act of 1934

                  FOR THE QUARTERLY PERIOD ENDED JUNE 30, 1996

                                     or

  [  ]        Transition Report Pursuant to Section 13 or 15(d)
                     of the Securities Exchange Act of 1934
                  For the transition period from______to______

                          COMMISSION FILE NO. 0-20838

                        CLAYTON WILLIAMS ENERGY, INC.
           ------------------------------------------------------
           (Exact name of Registrant as specified in its charter)


            DELAWARE                                          75-2396863      
   ---------------------------                          ----------------------
 (State or other jurisdiction of                           (I.R.S. Employer
 incorporation or organization)                         Identification Number)
                                                        
                                                        
6 DESTA DRIVE, SUITE 3000, MIDLAND, TEXAS                        79705      
- -----------------------------------------                  -----------------
 (Address of principal executive offices)                      (Zip code)


    Registrant's Telephone Number, including area code:   (915) 682-6324


                               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   [XX]        NO    [  ]


NUMBER OF SHARES OF COMMON STOCK OUTSTANDING AS OF AUGUST 8, 1996......7,486,139

================================================================================
<PAGE>   2
                         CLAYTON WILLIAMS ENERGY, INC.
                               TABLE OF CONTENTS




                         PART I.  FINANCIAL INFORMATION


<TABLE>
<CAPTION>
Item 1.   Financial Statements                                              Page   
- -------   --------------------                                             ------
<S>       <C>                                                                 <C>
          Consolidated Balance Sheets as of June 30, 1996                  
            and December 31, 1995  . . . . . . . . . . . . . . . . . . . .     3
                                                                           
          Consolidated Statements of Operations for the three months       
            and six months ended June 30, 1996 and 1995  . . . . . . . . .     4
                                                                           
          Consolidated Statements of Cash Flows for the six months         
            ended June 30, 1996 and 1995 . . . . . . . . . . . . . . . . .     5
                                                                           
          Notes to Consolidated Financial Statements . . . . . . . . . . .     6
                                                                           
                                                                           
Item 2.   Management's Discussion and Analysis of Financial                
- -------   -------------------------------------------------                
            Condition and Results of Operations  . . . . . . . . . . . . .    10
            -----------------------------------                                 
                                                                           
                                                                           
                                                                           
                         PART II.  OTHER INFORMATION                       
                                                                           
                                                                           
Item 4.   Submission of Matters to a Vote of Security Holders  . . . . . .    15
- -------   ---------------------------------------------------                   
                                                                           
                                                                           
Item 6.   Exhibits and Reports on Form 8-K . . . . . . . . . . . . . . . .    15
- -------   --------------------------------                                              
</TABLE>





================================================================================




                                       2
<PAGE>   3
                         CLAYTON WILLIAMS ENERGY, INC.
                          CONSOLIDATED BALANCE SHEETS
                             (DOLLARS IN THOUSANDS)

                                     ASSETS
<TABLE>
<CAPTION>
                                                                            JUNE 30,           DECEMBER 31,
                                                                              1996                 1995     
                                                                        ---------------       --------------
                                                                          (UNAUDITED)
<S>                                                                     <C>                   <C>
CURRENT ASSETS
  Cash and cash equivalents   . . . . . . . . . . . . . . . . . . . .   $        1,210        $       1,303
  Accounts receivable:
    Trade, net  . . . . . . . . . . . . . . . . . . . . . . . . . . .            1,569                1,184
    Affiliates  . . . . . . . . . . . . . . . . . . . . . . . . . . .              153                  738
    Oil and gas sales   . . . . . . . . . . . . . . . . . . . . . . .            7,919                6,615
  Inventory   . . . . . . . . . . . . . . . . . . . . . . . . . . . .              445                  505
  Other   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .              565                  565 
                                                                        ---------------       --------------
                                                                                11,861               10,910 
                                                                        ---------------       --------------
PROPERTY AND EQUIPMENT
  Oil and gas properties, successful efforts method   . . . . . . . .          338,230              325,268
  Natural gas gathering and processing systems  . . . . . . . . . . .            7,496                6,951
  Other   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .            9,525                9,460 
                                                                        ---------------       --------------
                                                                               355,251              341,679
  Less accumulated depreciation, depletion and amortization   . . . .         (272,512)            (259,533)
                                                                        ---------------       --------------
    Property and equipment, net   . . . . . . . . . . . . . . . . . .           82,739               82,146 
                                                                        ---------------       --------------
OTHER ASSETS  . . . . . . . . . . . . . . . . . . . . . . . . . . . .               72                  105 
                                                                        ---------------       --------------
                                                                        $       94,672        $      93,161 
                                                                        ===============       ==============


                     LIABILITIES AND STOCKHOLDERS' EQUITY

CURRENT LIABILITIES
  Accounts payable:
    Trade   . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   $        9,142        $       6,911
    Affiliates  . . . . . . . . . . . . . . . . . . . . . . . . . . .              724                  346
    Oil and gas sales   . . . . . . . . . . . . . . . . . . . . . . .            5,685                4,813
  Current maturities of long-term debt  . . . . . . . . . . . . . . .              115               11,509
  Accrued liabilities and other   . . . . . . . . . . . . . . . . . .            1,391                1,048 
                                                                        ---------------       --------------
                                                                                17,057               24,627 
                                                                        ---------------       --------------
LONG-TERM DEBT  . . . . . . . . . . . . . . . . . . . . . . . . . . .           38,528               33,538 
                                                                        ---------------       --------------
STOCKHOLDERS' EQUITY:
  Common stock, par value $.10 per share; authorized - 10,000,000
   shares; issued and outstanding - 7,477,473 shares in 1996 and
   7,409,664 shares in 1995   . . . . . . . . . . . . . . . . . . . .              748                  741
  Additional paid-in capital  . . . . . . . . . . . . . . . . . . . .           53,153               52,912
  Retained deficit  . . . . . . . . . . . . . . . . . . . . . . . . .          (14,814)             (18,657)
                                                                        ---------------       --------------
                                                                                39,087               34,996 
                                                                        ---------------       --------------
                                                                        $       94,672        $      93,161 
                                                                        ===============       ==============
</TABLE>





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

                                       3
<PAGE>   4
                         CLAYTON WILLIAMS ENERGY, INC.
                     CONSOLIDATED STATEMENTS OF OPERATIONS
                                  (UNAUDITED)
                        (IN THOUSANDS, EXCEPT PER SHARE)



<TABLE>
<CAPTION>
                                                      THREE MONTHS ENDED               SIX MONTHS ENDED
                                                           JUNE 30,                        JUNE 30,         
                                                 ----------------------------    ---------------------------
                                                     1996           1995             1996           1995    
                                                 -------------  -------------    -------------  ------------
<S>                                              <C>            <C>              <C>            <C>
REVENUES
  Oil and gas sales   . . . . . . . . . . . .    $     15,149   $    11,791      $    27,517    $    23,222
  Natural gas services  . . . . . . . . . . .             985         1,858            1,949          3,717 
                                                 -------------  ------------     ------------   ------------
    Total revenues  . . . . . . . . . . . . .          16,134        13,649           29,466         26,939 
                                                 -------------  ------------     ------------   ------------

COSTS AND EXPENSES
  Lease operations  . . . . . . . . . . . . .           3,563         3,490            7,161          6,986
  Exploration   . . . . . . . . . . . . . . .              25           239              279            432
  Natural gas services  . . . . . . . . . . .             814         1,294            1,571          2,450
  Depreciation, depletion and amortization  .           6,175         6,887           11,852         13,810
  Impairment of property and equipment  . . .           1,186           -              1,186            -
  General and administrative  . . . . . . . .             964         1,095            1,671          2,017 
                                                 -------------  ------------     ------------   ------------
    Total costs and expenses  . . . . . . . .          12,727        13,005           23,720         25,695 
                                                 -------------  ------------     ------------   ------------
    Operating income  . . . . . . . . . . . .           3,407           644            5,746          1,244
  Interest expense  . . . . . . . . . . . . .             961         1,533            1,943          2,991
  Other income (expense)  . . . . . . . . . .              (7)           85               40            249 
                                                 -------------  ------------     ------------   ------------

INCOME (LOSS) BEFORE INCOME TAXES . . . . . .           2,439          (804)           3,843         (1,498)

INCOME TAX EXPENSE  . . . . . . . . . . . . .             -             -                -              -   
                                                 -------------  ------------     ------------   ------------

NET INCOME (LOSS) . . . . . . . . . . . . . .    $      2,439   $      (804)     $     3,843    $    (1,498)
                                                 =============  ============     ============   ============

Net income (loss) per common share  . . . . .    $        .32   $      (.14)     $        .51   $      (.26)
                                                 =============  ============     ============   ============

Weighted average common
  shares outstanding  . . . . . . . . . . . .           7,627         5,708            7,553          5,704 
                                                 =============  ============     ============   ============
</TABLE>





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

                                       4
<PAGE>   5
                         CLAYTON WILLIAMS ENERGY, INC.
                     CONSOLIDATED STATEMENTS OF CASH FLOWS
                                  (UNAUDITED)
                                 (IN THOUSANDS)

<TABLE>
<CAPTION>
                                                                                      SIX MONTHS ENDED
                                                                                          JUNE 30,          
                                                                               -----------------------------
                                                                                   1996             1995    
                                                                               ------------     ------------
<S>                                                                            <C>              <C>
CASH FLOWS FROM OPERATING ACTIVITIES
    Net income (loss)   . . . . . . . . . . . . . . . . . . . . . . . . .      $     3,843      $    (1,498)
    Adjustments to reconcile net income (loss) to cash provided by
      operating activities:
         Depreciation, depletion and amortization . . . . . . . . . . . .           11,852           13,810
         Impairment of property and equipment . . . . . . . . . . . . . .            1,186              -
         Exploration costs  . . . . . . . . . . . . . . . . . . . . . . .              266              396
         Other  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .              214              117
    Changes in operating working capital:
         Accounts receivable  . . . . . . . . . . . . . . . . . . . . . .           (1,104)             657
         Accounts payable . . . . . . . . . . . . . . . . . . . . . . . .            3,047            1,848
         Other  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .              192              (76)
                                                                               ------------     ------------
             Net cash provided by operating activities  . . . . . . . . .           19,496           15,254 
                                                                               ------------     ------------

CASH FLOWS FROM INVESTING ACTIVITIES
    Additions to property and equipment   . . . . . . . . . . . . . . . .          (16,737)         (11,553)
    Proceeds from sale of property and equipment  . . . . . . . . . . . .            3,530              201 
                                                                               ------------     ------------
             Net cash used in investing activities  . . . . . . . . . . .          (13,207)         (11,352)
                                                                               ------------     ------------

CASH FLOWS FROM FINANCING ACTIVITIES
    Proceeds from long-term debt  . . . . . . . . . . . . . . . . . . . .              -              1,600
    Repayments of long-term debt  . . . . . . . . . . . . . . . . . . . .           (6,404)          (5,806)
    Proceeds from sale of common stock  . . . . . . . . . . . . . . . . .               22              -   
                                                                               ------------     ------------
             Net cash used in financing activities  . . . . . . . . . . .           (6,382)          (4,206)
                                                                               ------------     ------------

NET DECREASE IN CASH AND
 CASH EQUIVALENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . .              (93)            (304)
CASH AND CASH EQUIVALENTS
    Beginning of period   . . . . . . . . . . . . . . . . . . . . . . . .            1,303            1,431 
                                                                               ------------     ------------
    End of period   . . . . . . . . . . . . . . . . . . . . . . . . . . .      $     1,210      $     1,127 
                                                                               ============     ============

SUPPLEMENTAL DISCLOSURES
    Cash paid for interest, net of amounts capitalized  . . . . . . . . .      $     1,800      $     3,090 
                                                                               ============     ============
</TABLE>





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

                                       5
<PAGE>   6
                         CLAYTON WILLIAMS ENERGY, INC.
                   NOTES TO CONSOLIDATED FINANCIAL STATEMENTS
                                 JUNE 30, 1996
                                  (UNAUDITED)

1.    ORGANIZATION AND PRESENTATION

      Clayton Williams Energy, Inc. (the "Company"), a Delaware corporation,
was incorporated in September 1991 for the purpose of consolidating and
continuing certain operations previously conducted by affiliates of Clayton W.
Williams, Jr. ("Mr. Williams").  Concurrent with the completion of the initial
public offering of the Company's common stock on May 26, 1993, these operations
were consolidated, and the Company succeeded to most of the oil and gas
properties, exploration and development operations and the natural gas
gathering and marketing operations of Mr. Williams and his affiliates.  The
consolidated financial statements include the accounts of the Company and its
subsidiaries.  All significant intercompany transactions and balances
associated with the consolidated operations have been eliminated.

      The Company is primarily engaged in the exploration for and development
and production of oil and natural gas in South and East Texas, Southeastern New
Mexico and the Texas Gulf Coast.

      In the opinion of management, the Company's unaudited consolidated
financial statements as of June 30, 1996 and for the interim periods ended June
30, 1996 and 1995 include all adjustments, consisting only of normal recurring
accruals, which are necessary for a fair presentation in accordance with
generally accepted accounting principles.  These interim results are not
necessarily indicative of the results to be expected for the year ending
December 31, 1996.

      Certain information and footnote disclosures normally included in
financial statements prepared in accordance with generally accepted accounting
principles have been condensed or omitted in this Form 10-Q pursuant to the
rules and regulations of the Securities and Exchange Commission ("SEC").  These
consolidated financial statements should be read in conjunction with the
audited consolidated financial statements and notes thereto included in the
Company's 1995 Form 10-K.

2.    LONG-TERM DEBT

      Long-term debt consists of the following:

<TABLE>
<CAPTION>
                                                                            JUNE 30,         DECEMBER 31,
                                                                              1996               1995     
                                                                        ---------------    ---------------
                                                                                  (IN THOUSANDS)
      <S>                                                               <C>                <C>
      Secured Bank Credit Facility (matures July 31, 1999):
           Revolving loan . . . . . . . . . . . . . . . . . . . . . .   $       15,400     $       17,000
           Term loan  . . . . . . . . . . . . . . . . . . . . . . . .           23,075             27,825
      Subordinated Debt Facility  . . . . . . . . . . . . . . . . . .              -                  -
      Other   . . . . . . . . . . . . . . . . . . . . . . . . . . . .              168                222 
                                                                        ---------------    ---------------
                                                                                38,643             45,047
      Less current maturities   . . . . . . . . . . . . . . . . . . .              115             11,509 
                                                                        ---------------    ---------------
                                                                        $       38,528     $       33,538 
                                                                        ===============    ===============
</TABLE>





                                       6
<PAGE>   7
                         CLAYTON WILLIAMS ENERGY, INC.
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
                                 JUNE 30, 1996
                                  (UNAUDITED)



      Secured Bank Credit Facility
      As of June 30, 1996, the Company's secured bank credit facility provided
for a revolving loan facility and a term loan facility, the limits of which are
determined by a borrowing base established by the banks.  Effective July 18,
1996, the Company and the banks amended and restated the prior loan agreement
to combine the prior facilities into one reducing revolver loan facility.  The
initial borrowing base established by the new loan agreement was $52 million
and is subject to a monthly commitment reduction of $1 million beginning July
31, 1996.  The amount of funds available under the amended borrowing base as of
June 30, 1996 was $13.5 million.  The borrowing base and the monthly commitment
reduction are scheduled to be redetermined in November 1996 and at least
semi-annually thereafter; however, the Company or the banks may request such
redeterminations at any other time during the year.  Any redetermination will
be made at the discretion of the banks.  If, at any time, outstanding advances
plus letters of credit exceed the borrowing base, the Company will be required
to (i) pledge additional collateral, (ii) prepay the excess in not more than
five equal monthly installments or (iii) elect to convert the entire amount of
the facility to a term obligation based on amortization formulas set forth in
the loan agreement.  The loan agreement requires the Company to pledge its oil
and gas properties to secure advances under the secured bank credit facility.

      Based on the terms of the amended loan agreement, no portion of the
outstanding balances at June 30, 1996 is deemed to be a current liability since
the outstanding balances are less than the stated borrowing base, as adjusted
for the monthly commitment reductions scheduled to occur within the next year.
Therefore, current maturities of long-term bank debt, as set forth in the
accompanying consolidated balance sheet, reflect a reduction of $11.4 million
from the comparable balances at December 31, 1995.

      All outstanding balances on the secured bank credit facility may be
designated, at the Company's option, as either "Base Rate Loans" or "Eurodollar
Loans" (as defined in the agreement), provided that not more than two
Eurodollar traunches may be outstanding at any time.  Base Rate Loans will bear
interest at the fluctuating Base Rate plus a Base Rate Margin ranging from 0%
to 1/2% per annum, depending on levels of outstanding advances and letters of
credit.  Eurodollar Loans will bear interest at the LIBOR rate for a fixed
period of time elected by the Company plus a Eurodollar Margin ranging from
1.25% to 2% per annum.  At June 30, 1996, the Company's indebtedness under
these facilities consisted of $16.5 million of Base Rate Loans at a rate of
8.75% and $22 million of Eurodollar Loans at a rate of 8.2%.

      In addition, the Company pays the banks a commitment fee equal to 1/2%
per annum on the unused portion of the revolving loan commitment.  Interest and
fees are payable quarterly, and all outstanding principal and interest will be
due July 31, 1999.

      Subordinated Debt Facility
      In June 1995, the Company obtained a commitment from the Agent bank in
its secured bank credit facility to loan the Company up to $5.5 million under a
subordinated debt facility which provides for interest at a minimum rate of
14.25% per year, plus certain commitment fees, with interest payable monthly
and principal payable at maturity on July 31, 1998.  The commitment originally
expired on December 31, 1995, but was extended to December 31, 1996.  The
entire amount of the facility may be prepaid without penalty or premium at any
time prior to maturity, but only if the Company obtains the approval of the
lenders in the secured bank credit facility.  The Company does not plan to
utilize this





                                       7
<PAGE>   8
                         CLAYTON WILLIAMS ENERGY, INC.
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
                                 JUNE 30, 1996
                                  (UNAUDITED)



subordinated debt facility unless the funds available on the secured bank
credit facility are inadequate to finance the Company's planned capital
expenditure program in 1996.  See "Management's Discussion and Analysis of
Financial Condition and Results of Operations."

3.    FORWARD SALE TRANSACTIONS

      The Company accounts for forward sale and put option arrangements as
hedging activities and, accordingly, gains and losses are included in oil and
gas revenues in the period the hedged production is sold.  Included in oil and
gas revenues during the six months ended June 30, 1996 are net losses from
these activities totaling $947,000 (comprised of losses of $1,090,000,
partially offset by gains of $143,000).  In addition, the Company has hedged
approximately 15% of its expected oil production from July 1996 through August
1996 utilizing certain financial swap arrangements as summarized below:

<TABLE>
<CAPTION>
                                                                       Fixed Price per Bbl              
           Date          Production         Volumes      -----------------------------------------------
         Entered           Months           (Bbls)            High             Low            Average   
      -------------    -------------    -------------    -------------    -------------    -------------
           <S>          <C>                   <C>        <C>              <C>              <C>
           2/96         7/96 - 8/96           60,000     $      17.90     $      17.75     $      17.86
</TABLE>


4.    STOCK COMPENSATION PLANS

      In May 1995, the Company's Board of Directors adopted two stock
compensation plans, one for selected officers and one for outside directors of
the Company.  These plans permit the Company to pay all or part of selected
executives' salaries and all outside director's fees in Common Stock in lieu of
cash.  During the six months ended June 30, 1996, the Company issued Mr.
Williams 49,965 shares of Common Stock in lieu of cash compensation aggregating
$195,755, and issued 8,484 shares to three outside directors in lieu of cash
compensation aggregating $30,000.  Subsequent to June 30, 1996, the Company
issued Mr. Williams an additional 7,148 shares and issued an aggregate of 1,518
shares to three outside directors in lieu of cash compensation aggregating
$78,000.

5.    NET INCOME (LOSS) PER COMMON SHARE

      Net income (loss) per common share is based on the weighted average
number of common and common equivalent shares, if dilutive, outstanding during
each period.  Common stock equivalents were not included in the computation of
net loss per share in the 1995 periods since the effect was anti-dilutive.

6.    SALE OF ASSETS

      In January 1996, the Company sold its rights to the Buda and Georgetown
formations under approximately 28,000 net acres in Robertson County, Texas for
$3.5 million.  Certain leases covered by the sale must be extended during 1996
and the Company estimates that it will be required to spend, in the aggregate,
approximately $550,000 in this effort.  The Company also granted the purchaser
the option to acquire additional Buda and Georgetown rights under approximately
36,000 net acres in Burleson County, Texas.  The net proceeds were used to
repay indebtedness on the secured bank credit facility, resulting in an
increase in funds then available for borrowing of $2.9 million.  No gain or
loss was recognized on the sale.





                                       8
<PAGE>   9
                         CLAYTON WILLIAMS ENERGY, INC.
             NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
                                 JUNE 30, 1996
                                  (UNAUDITED)




7.    IMPAIRMENT OF PROPERTY AND EQUIPMENT

      During the quarter ended June 30, 1996, the Company revised its estimates
of proved oil and gas reserves attributable to one undeveloped location in the
Texas Gulf Coast area.  As a result, the Company recorded a provision for
impairment of property and equipment of $1.2 million in accordance with
Statement of Financial Accounting Standards No. 121, "Accounting for Impairment
of Long-Lived Assets."

8.    INCOME TAXES

      Although the Company recorded net income of $3.8 million for financial
reporting purposes during the six months ended June 30, 1996, no provision for
income tax expense is required since the Company has net operating loss
carryforwards of approximately $32 million available to offset any taxable
income generated by the Company during 1996.  A valuation allowance against
these net operating loss carryforwards was recorded at December 31, 1995.





                                       9
<PAGE>   10
ITEM 2 -  MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND
          RESULTS OF OPERATIONS

RESULTS OF OPERATIONS

OVERVIEW

      The Company's primary focus has historically been its horizontal drilling
program in the Cretaceous Trend (the "Trend") which extends from South Texas
through East Texas, Louisiana and other southern states and includes the Austin
Chalk, Buda and Georgetown formations.  Oil and gas production in the Trend is
generally characterized by a high initial production rate, followed by a steep
rate of decline.  In order to maintain or expand its oil and gas reserve base,
the Company must find and develop or acquire proven reserves sufficient to
replace those being depleted through current production.

      The following table sets forth certain operating information of the
Company for the periods presented:

<TABLE>
<CAPTION>
                                                     THREE MONTHS ENDED                 SIX MONTHS ENDED
                                                          JUNE 30,                          JUNE 30,           
                                               ------------------------------    ------------------------------
                                                   1996             1995             1996             1995     
                                               -------------    -------------    -------------    -------------
<S>                                            <C>              <C>              <C>              <C>
OIL AND GAS PRODUCTION DATA:
      Oil (MBbls)   . . . . . . . . . . .              598              474            1,080              954
      Gas (MMcf)  . . . . . . . . . . . .            1,354            1,808            2,816            3,640
      MBOE (a)  . . . . . . . . . . . . .              824              775            1,549            1,561
AVERAGE OIL AND GAS SALES PRICES:
      Oil ($/Bbl) (b)   . . . . . . . . .      $     19.38      $     17.91      $     19.08      $     17.62
      Gas ($/Mcf)   . . . . . . . . . . .      $      2.53      $      1.83      $      2.41      $      1.74
OIL AND GAS COSTS ($/BOE PRODUCED):
      Lease operating expenses  . . . . .      $      4.32      $      4.50      $      4.62      $      4.48
      Oil and gas depletion   . . . . . .      $      7.25      $      8.58      $      7.40      $      8.54
NET WELLS DRILLED:
      Horizontal Wells  . . . . . . . . .              6.0              3.0             13.2             15.5
      Vertical Wells  . . . . . . . . . .               .1              -                1.1              -
</TABLE>

- ---------------
(a)   Gas is converted to barrel of oil equivalents (BOE) at the ratio of six
      Mcf of gas to one Bbl of oil.
(b)   Includes losses on forward sale contracts of $1.49 per Bbl and $.41 per
      Bbl during the three months ended June 30, 1996 and 1995, respectively,
      and $.90 per Bbl and $.20 per Bbl during the six months ended June 30,
      1996 and 1995, respectively.


THREE MONTHS ENDED JUNE 30, 1996 COMPARED TO JUNE 30, 1995

      REVENUES

      Oil and gas sales increased 28% from $11.8 million in 1995 to $15.1
million in 1996 due primarily to a 26% increase in oil production and an 8%
rise in oil  prices, net of hedging losses (see "- Inflation and Changing
Prices").  Production from wells completed within the last year, which
accounted for more than 50% of 1996 oil production, exceeded the effects of
characteristically steep production declines from previously existing Trend
wells.  Although gas prices increased 38%, the benefit from such increase was
substantially offset by a 25% decline in gas production.  Revenues from natural
gas services decreased 47% to $985,000 due primarily to the sale of the
Company's two principal gas gathering and processing systems in August 1995.





                                       10
<PAGE>   11
      COSTS AND EXPENSES

      Lease operations expenses increased 2% in 1996 as compared to 1995 while
production on a BOE basis increased 6%, resulting in a decline in lease
operations expenses on a BOE basis from $4.50 per BOE in 1995 to $4.32 per BOE
in 1996.  Operating expenses of Trend wells are generally lower on a BOE basis
in the early stages of production since a large portion of the operating
expenses are fixed in nature and do not vary with production volumes.  High
initial rates of production on several of the wells completed in 1996
contributed significantly to the decline in lease operations expenses per BOE.

      DD&A expense decreased 10% from $6.9 million in 1995 to $6.2 million in
1996 due primarily to a 16% decline in the Company's average depletion rate per
BOE, offset in part by a 6% increase in BOE production.  Under the successful
efforts method of accounting, costs of oil and gas properties are amortized on
a unit-of-production method based on estimated proved reserves.  The lower
depletion rate is attributable to a combination of higher proved reserves from
newly completed wells and lower depletable costs resulting from the impairment
of certain producing properties in October 1995 pursuant to the adoption of
Statement of Financial Accounting Standards No. 121, "Accounting for Impairment
of Long-Lived Assets."  As a result, the average depletion rate declined from
$8.58 per BOE in 1995 to $7.25 per BOE in 1996.

      As discussed in Note 7 to the accompanying consolidated financial
statements, the Company recorded a provision for impairment of property and
equipment of $1.2 million during the 1996 quarter in accordance with Statement
of Financial Accounting Standards No. 121, "Accounting for Impairment of
Long-Lived Assets."

      G&A expenses decreased 12% from $1.1 million in 1995 to $964,000 in 1996.
Beginning in March 1994, the Company reduced its overhead by implementing
certain cost reduction measures, including the closing of its San Antonio
office, the elimination or reduction of certain professional services, and the
control of personnel costs through staff and wage reductions and employee
benefit cost controls.  The full impact of these measures was not realized
until the third quarter of 1995.

      Costs of natural gas services decreased 37% to $814,000 due primarily to
the sale of the Company's two principal gas gathering and processing systems in
August 1995.

      INTEREST EXPENSE AND OTHER

      Interest expense decreased 36% from $1.5 million in 1995 to $961,000 in
1996 due primarily to lower  average levels of indebtedness on the Company's
secured bank credit facility and, to a lesser extent, lower average interest
rates.  The average daily principal balance outstanding on such facility during
the second quarter of 1996 was $40.2 million compared to $56.8 million in 1995.
The effective annual interest rate on bank debt during the 1996 quarter was
9.5% compared to 10.4% in 1995.  Proceeds from the sales of assets in August
1995 and January 1996 and the sale of Common Stock through a shareholder rights
offering in September 1995, which aggregated approximately $15 million, were
used to reduce bank indebtedness.

SIX MONTHS ENDED JUNE 30, 1996 COMPARED TO JUNE 30, 1995

      REVENUES

      Oil and gas sales increased 19% from $23.2 million in 1995 to $27.5
million in 1996 due primarily to a 13% increase in oil production and an 8%
rise in oil  prices, net of hedging losses (see "- Inflation and Changing
Prices").  Production from wells completed within the last year, which
accounted for more than 40% of 1996 oil production, exceeded the effects of
characteristically steep production declines from





                                       11
<PAGE>   12
previously existing Trend wells.  Although gas prices increased 39%, the
benefit from such increase was substantially offset by a 23% decline in gas
production.  Revenues from natural gas services decreased 48% to $1.9 million
due primarily to the sale of the Company's two principal gas gathering and
processing systems in August 1995.

      COSTS AND EXPENSES

      Lease operations expenses increased 3% in 1996 as compared to 1995 while
production on a BOE basis decreased 1%, resulting in an increase in lease
operations expenses on a BOE basis from $4.48 per BOE in 1995 to $4.62 per BOE
in 1996.

      DD&A expense decreased 14% from $13.8 million in 1995 to $11.9 million in
1996 due primarily to a 13% decline in the Company's average depletion rate per
BOE.  Under the successful efforts method of accounting, costs of oil and gas
properties are amortized on a unit-of-production method based on estimated
proved reserves.  The lower depletion rate is attributable to a combination of
higher proved reserves from newly completed wells and lower depletable costs
resulting from the impairment of certain producing properties in October 1995
pursuant to the adoption of Statement of Financial Accounting Standards No.
121, "Accounting for Impairment of Long-Lived Assets."  As a result, the
average depletion rate declined from $8.54 per BOE in 1995 to $7.40 per BOE in
1996.

      As discussed in Note 7 to the accompanying consolidated financial
statements, the Company recorded a provision for impairment of property and
equipment of $1.2 million during the 1996 period in accordance with Statement
of Financial Accounting Standards No. 121, "Accounting for Impairment of
Long-Lived Assets."

      G&A expenses decreased 15% from $2.0 million in 1995 to $1.7 million in
1996.  Beginning in March 1994, the Company reduced its overhead by
implementing certain cost reduction measures, including the closing of its San
Antonio office, the elimination or reduction of certain professional services,
and the control of personnel costs through staff and wage reductions and
employee benefit cost controls.  The full impact of these measures was not
realized until the third quarter of 1995.

      Costs of natural gas services decreased 36% to $1.6 million due primarily
to the sale of the Company's two principal gas gathering and processing systems
in August 1995.

      INTEREST EXPENSE AND OTHER

      Interest expense decreased 37% from $3.0 million in 1995 to $1.9 million
in 1996 due primarily to lower  average levels of indebtedness on the Company's
secured bank credit facility and, to a lesser extent, lower average interest
rates.  The average daily principal balance outstanding on such facility during
the 1996 period was $40.5 million compared to $57.8 million in 1995.  The
effective annual interest rate on bank debt during the 1996 period was 9.7%
compared to 10.3% in 1995.  Proceeds from the sales of assets in August 1995
and January 1996 and the sale of Common Stock through a shareholder rights
offering in September 1995, which aggregated approximately $15 million, were
used to reduce bank indebtedness.





                                       12
<PAGE>   13
LIQUIDITY AND CAPITAL RESOURCES

      OVERVIEW

      The Company's primary financial resource is its oil and gas reserves.  In
accordance with the terms of the current bank credit facility, the banks
establish a borrowing base against which the Company may borrow funds as needed
to supplement its internally generated cash flow as a source of financing for
its capital expenditure program.  Product prices, over which the Company has
very limited control, have a significant impact on the Company's ability to
maintain or expand the spread between the borrowing base and the level of
outstanding indebtedness. Within the confines of product pricing,  the Company
must be able to find and develop or acquire oil and gas reserves in a cost
effective manner in order to generate sufficient financial resources through
internal means to complete the financing of its capital expenditure program.

      The following discussion sets forth the Company's current plans for
capital expenditures in 1996 and the expected capital resources needed to
finance such plans.

      CAPITAL EXPENDITURES

      During 1996, the Company plans to focus its efforts on Trend drilling.
Presently, the Company plans to drill approximately 26 net wells in the updip
area of the Trend in 1996, 13 of which were completed during the first six
months.  The Company is also actively acquiring additional acreage and
extending the terms of existing leases in this area.  In addition, the Company
has acquired and interpreted certain 2-D seismic data to explore for potential
gas reserves in the formations below the Austin Chalk.  Early geophysical
studies seem to indicate that some of the Company's acreage could be on trend
with recent Cotton Valley Lime Reef gas discoveries to the northwest of the
Company's acreage block.  The Company will need 3-D seismic data in order to
fully evaluate its potential in this gas play, and is currently considering
various alternatives to obtaining and interpreting such data.  The Company
cannot predict the ultimate level of capital expenditures associated with this
activity at this time and, accordingly, has not included any related cost
estimates in its capital expenditures budget.

      At the present level of planned activity, the Company's capital
expenditures will be approximately $33 million in 1996, of which approximately
$17 million was incurred during the first six months of this year.
Substantially all of the remaining activity is discretionary.  This allows the
Company to make adjustments to its level of capital expenditures based upon
such factors as the availability of capital resources, product prices and
drilling results.  Thus, if the Company's ability or desire to conduct the
planned activities is diminished or enhanced by any of these factors, the
Company can modify its capital expenditures accordingly (see "- Capital
Resources").

      The Company does not have any specified amounts of capital expenditures
designated for acquisitions of proven properties in 1996.  However, the Company
plans to actively seek and evaluate acquisition opportunities during the year
and will commit only to those acquisitions which the Company can adequately
finance through internal or external sources.

      CAPITAL RESOURCES

      Secured Bank Credit Facility
      As discussed in Note 2 to the accompanying consolidated financial
statements, the Company had $13.5 million of funds available to it under the
amended secured bank credit facility at June 30, 1996.  The banks' loan
commitment reduces by $1 million each month, beginning July 31, 1996.  The
borrowing base and the monthly commitment reduction are scheduled to be
redetermined in November 1996 and at





                                       13
<PAGE>   14
least semi-annually thereafter; however, the Company or the banks may request
such redeterminations at any other time during the year.  Any redetermination
will be made at the discretion of the banks.

      Subordinated Debt Facility
      In June 1995, the Company obtained a commitment from the Agent bank in
its secured bank credit facility to loan the Company up to $5.5 million under a
subordinated debt facility which provides for interest at a minimum rate of
14.25% per year, plus certain commitment fees, with interest payable monthly
and principal payable at maturity on July 31, 1998.  The commitment originally
expired on December 31, 1995, but was extended to December 31, 1996.  The
entire amount of the facility may be prepaid without penalty or premium at any
time prior to maturity, but only if the Company obtains the approval of the
lenders in the secured bank credit facility.  The Company does not plan to
utilize this subordinated debt facility unless the funds available on the
secured bank credit facility are inadequate to finance the Company's planned
capital expenditure program in 1996.  See "Management's Discussion and Analysis
of Financial Condition and Results of Operations."

      Working Capital and Cash Flow.  During the six months ended June 30,
1996, the Company generated cash flow from operating activities of $19.5
million and received proceeds from the sale of assets of $3.5 million.  During
the same period, the Company spent $16.7 million on capital expenditures and
repaid $4.7 million on the term loan facility.  The residual cash flow of $1.6
million was primarily used to reduce the amount of indebtedness outstanding on
the revolving loan facility.  At June 30, 1996, the Company had $13.5 million
of availability on the revolving loan facility, as amended.

      The Company's working capital deficit decreased from $13.7 million at
December 31, 1995 to $5.2 million at June 30, 1996 due primarily to a reduction
in current portion of long-term debt.  Based upon the initial borrowing base
and scheduled commitment reductions set forth in the amended loan agreement
(see Note 2 to the accompanying consolidated financial statements), no portion
of the outstanding balance on the Company's secured bank credit facility is
deemed to be a current liability at June 30, 1996.

      Barring any substantial increase in planned drilling and leasing
activities or the incurrence of any significant costs associated with the
Cotton Valley Lime Reef gas play, the Company believes that the funds available
on the secured bank credit facility and cash provided by operations will be
adequate to fund the Company's operations and projected capital expenditures
during the remainder of 1996 and thereby avoid borrowing on the subordinated
debt facility.  However, since the amount of the borrowing base is subject to
factors such as drilling results,  product prices and discount rates and may be
redetermined by the banks at any time, it is possible that the Company will be
required to borrow some or all of the funds available on the subordinated debt
facility.  In any event, there can be no assurance that all of these combined
sources of funds will be adequate to meet the Company's capital expenditure
program, in which case the Company may be required to cease or delay its
drilling activities.

INFLATION AND CHANGES IN PRICES

      The Company's revenues and the value of its oil and gas properties have
been and will continue to be affected by changes in oil and gas prices.  The
Company's ability to maintain adequate borrowing capacity and to obtain
additional capital on attractive terms is also substantially dependent on oil
and gas prices.  Oil and gas prices are subject to significant seasonal and
other fluctuations that are beyond the Company's ability to control or predict.
In an attempt to manage this price risk, the Company has entered into certain
financial swap arrangements as described in Note 3 to the accompanying
consolidated financial statements.

      Although certain of the Company's costs and expenses are affected by the
level of inflation, inflation did not have a significant effect on the
Company's results of operations during 1996.





                                       14
<PAGE>   15
                          PART II.  OTHER INFORMATION

ITEM 4 - SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS

      On June 1, 1996, an amendment to the Company's 1993 Stock Compensation
Plan was adopted by written consent of the holders of more than a majority of
shares of the Company's Common Stock entitled to vote on such matters.

      On June 20, 1996, the Company mailed an information statement to
stockholders of record at the close of business on June 17, 1996.  At such
date, the Company had 7,468,113 shares of Common Stock outstanding, each share
being entitled to one vote.  The action taken required at least a majority of
the shares outstanding and entitled to vote on such matters, and such approval
was obtained by written consent of Clayton Williams Partnership, Ltd. and
CWPLCO, Inc.  (collectively, the "Affiliated Holders"), which own, in the
aggregate, 3,772,009 shares of Common Stock, or 50.5% of the outstanding shares
of Common Stock.

      The amendment increased the aggregate number of shares of Common Stock
authorized and reserved for issuance upon exercise of options granted under the
Plan from 298,200 shares to 898,200 shares.  The options already granted under
the Plan cover substantially all of the shares originally authorized and
reserved for use under the Plan.  In order to continue providing the incentive
to the officers, directors and employees of the Company for which the Plan was
created, additional authorized and reserved shares of Common Stock needed to be
made available under the Plan.  The Board of Directors and Affiliated Holders
determined that it was in the best interest of the Company to increase the
aggregate number of shares of Common Stock available under the Plan so that
additional options can be granted to fulfill the purpose of attracting,
retaining and rewarding officers, directors and employees of the Company as
provided in the Plan.

ITEM 6 - EXHIBITS AND REPORTS ON FORM 8-K

      EXHIBITS

<TABLE>
<CAPTION>
              EXHIBIT
              NUMBER                                DESCRIPTION                        
           ------------     -----------------------------------------------------------
                <S>         <C>
                10.1        Fifth Restated Loan Agreement dated as of July 18, 1996, 
                            among Clayton Williams Energy, Inc., Warrior Gas Co., CWEI
                            Acquisitions, Inc., Bank One, Texas, N.A., Banque Paribas 
                            and the First National Bank of Chicago.

                21          Subsidiaries of the Registrant

                27          Financial Data Schedule
</TABLE>



      REPORTS ON FORM 8-K

           No reports on Form 8-K were filed during the quarter ended June 30,
1996.





                                       15
<PAGE>   16

                         CLAYTON WILLIAMS ENERGY, INC.
                                   SIGNATURES



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



                                            CLAYTON WILLIAMS ENERGY, INC.
                                            
                                            
                                            
Date: August 8, 1996                    By: /s/ L. Paul Latham                 
                                            -----------------------------------
                                            L. Paul Latham
                                            Executive Vice President and Chief
                                              Operating Officer
                                            
                                            
                                            
                                            
                                            
Date: August 8, 1996                    By: /s/ Mel G. Riggs                   
                                            -----------------------------------
                                            Mel G. Riggs
                                            Senior Vice President and Chief 
                                              Financial Officer
<PAGE>   17
                                EXHIBIT INDEX





<TABLE>
<CAPTION>
   EXHIBIT
   NUMBER                                DESCRIPTION                        
- ------------     -----------------------------------------------------------
     <S>         <C>
     10.1        Fifth Restated Loan Agreement dated as of July 18, 1996, 
                 among Clayton Williams Energy, Inc., Warrior Gas Co., CWEI
                 Acquisitions, Inc., Bank One, Texas, N.A., Banque Paribas 
                 and the First National Bank of Chicago.

     21          Subsidiaries of the Registrant

     27          Financial Data Schedule
</TABLE>


<PAGE>   1





                         FIFTH RESTATED LOAN AGREEMENT

                                     AMONG

                         CLAYTON WILLIAMS ENERGY, INC.,
                                WARRIOR GAS CO.,
                            CWEI ACQUISITIONS, INC.,
                             BANK ONE, TEXAS, N.A.,
                                 BANQUE PARIBAS
                                      AND
                       THE FIRST NATIONAL BANK OF CHICAGO




                                 JULY 18, 1996

<PAGE>   2
                         FIFTH RESTATED LOAN AGREEMENT
                               TABLE OF CONTENTS

<TABLE>
<CAPTION>
                                                                          Page
                                                                          ----
<S>  <C>                                                                    <C>
1.   Definitions.     . . . . . . . . . . . . . . . . . . . . . . . . . .    2

2.   Commitments of the Banks.  . . . . . . . . . . . . . . . . . . . . .   11
     (a)  Terms of Revolving Commitment   . . . . . . . . . . . . . . . .   11
     (b)  Refinancing of Term Commitment  . . . . . . . . . . . . . . . .   11
     (c)  Letters of Credit   . . . . . . . . . . . . . . . . . . . . . .   11
     (d)  Procedure for Advances on the Revolving Loan  . . . . . . . . .   13
     (e)  Procedure for Obtaining Letters of Credit.  . . . . . . . . . .   13
     (f)  Several Obligations.  . . . . . . . . . . . . . . . . . . . . .   14

3.   Notes Evidencing Loans.  . . . . . . . . . . . . . . . . . . . . . .   14
     (a)  Form of Revolving Notes   . . . . . . . . . . . . . . . . . . .   14
     (b)  Interest Rates    . . . . . . . . . . . . . . . . . . . . . . .   14
     (c)  Payment of Interest   . . . . . . . . . . . . . . . . . . . . .   15
     (d)  Payment of Principal    . . . . . . . . . . . . . . . . . . . .   15
     (e)  Issuance of Additional Notes    . . . . . . . . . . . . . . . .   15

4.   Interest Rates.  . . . . . . . . . . . . . . . . . . . . . . . . . .   15
     (a)  Options   . . . . . . . . . . . . . . . . . . . . . . . . . . .   15
     (b)  Interest Rate Determination   . . . . . . . . . . . . . . . . .   16
     (c)  Conversion Option   . . . . . . . . . . . . . . . . . . . . . .   16
     (d)  Recoupment  . . . . . . . . . . . . . . . . . . . . . . . . . .   16

5.   Special Provisions Relating to Eurodollar Loans  . . . . . . . . . .   17
     (a)  Unavailability of Funds or Inadequacy of Pricing  . . . . . . .   17
     (b)  Reserve Requirements  . . . . . . . . . . . . . . . . . . . . .   17
     (c)  Taxes   . . . . . . . . . . . . . . . . . . . . . . . . . . . .   18
     (d)  Change in Laws  . . . . . . . . . . . . . . . . . . . . . . . .   18
     (e)  Option to Fund  . . . . . . . . . . . . . . . . . . . . . . . .   18
     (f)  Indemnity   . . . . . . . . . . . . . . . . . . . . . . . . . .   19

6.   Collateral Security.   . . . . . . . . . . . . . . . . . . . . . . .   19

7.   Borrowing Base.  . . . . . . . . . . . . . . . . . . . . . . . . . .   20
     (a)  Initial Borrowing Base.   . . . . . . . . . . . . . . . . . . .   20
     (b)  Subsequent Determinations of Borrowing Base.  . . . . . . . . .   20
     (c)  Voluntary Decreases in Borrowing Base.  . . . . . . . . . . . .   21
     (d)  Monthly Commitment Reduction.   . . . . . . . . . . . . . . . .   21
</TABLE>





                                       i
<PAGE>   3
<TABLE>
<S>  <C>                                                                    <C>
8.   Fees.  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   21
     (a)  Unused Portion Fee  . . . . . . . . . . . . . . . . . . . . . .   21
     (b)  Borrowing Base Increase Fee.  . . . . . . . . . . . . . . . . .   21
     (c)  Letter of Credit Fee  . . . . . . . . . . . . . . . . . . . . .   22
     (d)  Agency Fee.   . . . . . . . . . . . . . . . . . . . . . . . . .   22

9.   Prepayments.   . . . . . . . . . . . . . . . . . . . . . . . . . . .   22
     (a)  Voluntary Prepayments.  . . . . . . . . . . . . . . . . . . . .   22
     (b)  Mandatory Prepayment.   . . . . . . . . . . . . . . . . . . . .   22

10.  Representations and Warranties.    . . . . . . . . . . . . . . . . .   23
     (a)  Creation and Existence.   . . . . . . . . . . . . . . . . . . .   23
     (b)  Power and Authorization.  . . . . . . . . . . . . . . . . . . .   23
     (c)  Binding Obligations.  . . . . . . . . . . . . . . . . . . . . .   23
     (d)  No Legal Bar or Resultant Lien.   . . . . . . . . . . . . . . .   23
     (e)  No Consent.   . . . . . . . . . . . . . . . . . . . . . . . . .   23
     (f)  Financial Condition.  . . . . . . . . . . . . . . . . . . . . .   24
     (g)  Liabilities.  . . . . . . . . . . . . . . . . . . . . . . . . .   24
     (h)  Litigation.   . . . . . . . . . . . . . . . . . . . . . . . . .   24
     (i)  Taxes; Governmental Charges.  . . . . . . . . . . . . . . . . .   24
     (j)  Titles, Etc.  . . . . . . . . . . . . . . . . . . . . . . . . .   24
     (k)  Defaults.   . . . . . . . . . . . . . . . . . . . . . . . . . .   25
     (l)  Casualties; Taking of Properties.   . . . . . . . . . . . . . .   25
     (m)  Use of Proceeds; Margin Stock.  . . . . . . . . . . . . . . . .   25
     (n)  Location of Business and Offices.   . . . . . . . . . . . . . .   26
     (o)  Compliance with the Law.  . . . . . . . . . . . . . . . . . . .   26
     (p)  No Material Misstatements.  . . . . . . . . . . . . . . . . . .   26
     (q)  ERISA.  . . . . . . . . . . . . . . . . . . . . . . . . . . . .   26
     (r)  Public Utility Holding Company Act.   . . . . . . . . . . . . .   26
     (s)  Environmental Matters.  . . . . . . . . . . . . . . . . . . . .   26
     (t)  Guarantor.  . . . . . . . . . . . . . . . . . . . . . . . . . .   27

11.  Conditions of Lending.   . . . . . . . . . . . . . . . . . . . . . .   27

12.  Affirmative Covenants.   . . . . . . . . . . . . . . . . . . . . . .   28
     (a)  Financial Statements and Reports.   . . . . . . . . . . . . . .   28
     (b)  Certificates of Compliance.   . . . . . . . . . . . . . . . . .   30
     (c)  Taxes and Other Liens.  . . . . . . . . . . . . . . . . . . . .   30
     (d)  Compliance with Laws.   . . . . . . . . . . . . . . . . . . . .   31
     (e)  Further Assurances.   . . . . . . . . . . . . . . . . . . . . .   31
     (f)  Performance of Obligations.   . . . . . . . . . . . . . . . . .   31
     (g)  Insurance   . . . . . . . . . . . . . . . . . . . . . . . . . .   31
     (h)  Accounts and Records.   . . . . . . . . . . . . . . . . . . . .   32
     (i)  Right of Inspection.  . . . . . . . . . . . . . . . . . . . . .   32
</TABLE>





                                       ii
<PAGE>   4
<TABLE>
<S>  <C>                                                                    <C>
     (j)  Notice of Certain Events.   . . . . . . . . . . . . . . . . . .   32
     (k)  ERISA Information and Compliance.   . . . . . . . . . . . . . .   33
     (l)  Environmental Reports and Notices.  . . . . . . . . . . . . . .   33
     (m)  Maintenance.  . . . . . . . . . . . . . . . . . . . . . . . . .   33
     (n)  Title Matters.  . . . . . . . . . . . . . . . . . . . . . . . .   33
     (o)  Curative Matters.   . . . . . . . . . . . . . . . . . . . . . .   34
     (p)  Additional Collateral.  . . . . . . . . . . . . . . . . . . . .   34

13.  Negative Covenants.  . . . . . . . . . . . . . . . . . . . . . . . .   34
     (a)  Liens.  . . . . . . . . . . . . . . . . . . . . . . . . . . . .   34
     (b)  Debts, Guaranties and Other Obligations.  . . . . . . . . . . .   34
     (c)  Current Ratio   . . . . . . . . . . . . . . . . . . . . . . . .   35
     (d)  Ratio of Cash Flow to Debt Service.   . . . . . . . . . . . . .   36
     (e)  Limitation on Sale of Collateral.   . . . . . . . . . . . . . .   36
     (f)  Mergers and Consolidations.   . . . . . . . . . . . . . . . . .   36
     (g)  Use of Proceeds.  . . . . . . . . . . . . . . . . . . . . . . .   36
     (h)  Loans or Advances.  . . . . . . . . . . . . . . . . . . . . . .   36
     (i)  Hedging Transactions.   . . . . . . . . . . . . . . . . . . . .   37
     (j)  Dividends   . . . . . . . . . . . . . . . . . . . . . . . . . .   37
     (k)  Investments   . . . . . . . . . . . . . . . . . . . . . . . . .   37
     (l)  Change of Control   . . . . . . . . . . . . . . . . . . . . . .   38
     (m)  Minimum Tangible Net Worth.   . . . . . . . . . . . . . . . . .   38
     (n)  Subordinated Debt   . . . . . . . . . . . . . . . . . . . . . .   38

14.  Events of Default.   . . . . . . . . . . . . . . . . . . . . . . . .   38

15.  Exercise of Rights.    . . . . . . . . . . . . . . . . . . . . . . .   40

16.  Notices.   . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   41

17.  The Agent and the Banks  . . . . . . . . . . . . . . . . . . . . . .   41
     (a)  Appointment and Authorization.  . . . . . . . . . . . . . . . .   41
     (b)  Note Holders.   . . . . . . . . . . . . . . . . . . . . . . . .   41
     (c)  Consultation with Counsel.  . . . . . . . . . . . . . . . . . .   42
     (d)  Documents.  . . . . . . . . . . . . . . . . . . . . . . . . . .   42
     (e)  Resignation or Removal of Agent   . . . . . . . . . . . . . . .   42
     (f)  Responsibility of Agent   . . . . . . . . . . . . . . . . . . .   42
     (g)  Independent Investigation   . . . . . . . . . . . . . . . . . .   44
     (h)  Indemnification   . . . . . . . . . . . . . . . . . . . . . . .   44
     (i)  Benefit of Section 17   . . . . . . . . . . . . . . . . . . . .   45
     (j)  Pro Rata Treatment  . . . . . . . . . . . . . . . . . . . . . .   45
     (k)  Interests of Banks  . . . . . . . . . . . . . . . . . . . . . .   45
     (l)  Failure By Any Bank to Provide Funds to Agent   . . . . . . . .   45
</TABLE>





                                      iii
<PAGE>   5
<TABLE>
<S>  <C>                                                                    <C>
18.  Expenses   . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   46

19.  Indemnity  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   47

20.  Governing Law  . . . . . . . . . . . . . . . . . . . . . . . . . . .   47

21.  Invalid Provisions.  . . . . . . . . . . . . . . . . . . . . . . . .   48

22.  Maximum Interest Rate  . . . . . . . . . . . . . . . . . . . . . . .   48

23.  Amendments   . . . . . . . . . . . . . . . . . . . . . . . . . . . .   48

24.  Multiple Counterparts.   . . . . . . . . . . . . . . . . . . . . . .   48

25.  Conflict   . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   49

26.  Survival.  . . . . . . . . . . . . . . . . . . . . . . . . . . . . .   49

27.  Parties Bound  . . . . . . . . . . . . . . . . . . . . . . . . . . .   49

28.  Assignment by Banks  . . . . . . . . . . . . . . . . . . . . . . . .   49

29.  Other Agreements   . . . . . . . . . . . . . . . . . . . . . . . . .   50

30.  Written Consent  . . . . . . . . . . . . . . . . . . . . . . . . . .   50
</TABLE>





                                       iv
<PAGE>   6
                         FIFTH RESTATED LOAN AGREEMENT


         THIS FIFTH RESTATED LOAN AGREEMENT (hereinafter referred to as the
"Agreement") executed as of the 18th day of July, 1996, by and among CLAYTON
WILLIAMS ENERGY, INC, a Delaware corporation ("CWE"), WARRIOR GAS CO., a Texas
corporation ("Warrior") (CWE and Warrior being hereinafter sometimes
collectively referred to as "Borrower"), CWEI ACQUISITIONS, INC., a Delaware
corporation (hereinafter referred to as "Guarantor"), BANK ONE, TEXAS, N.A., a
national banking association ("Bank One"), BANQUE PARIBAS, a French banking
corporation ("Paribas") and THE FIRST NATIONAL BANK OF CHICAGO, a national
banking association ("FNB"), (Bank One, Paribas and FNB each in their capacity
as a lender hereunder together with each and every future holder of any note
issued pursuant to this Agreement are hereinafter collectively referred to as
"Banks" and individually as "Bank") and Bank One as "Agent".

                              W I T N E S S E T H:

         WHEREAS, as of May 26, 1993, Borrower, Bank One and Wells Fargo Bank,
National Association ("Wells Fargo") entered into a Loan Agreement (the
"Original Loan Agreement"), pursuant to the terms of which the Banks agreed to
provide a $50,000,000 revolving loan facility to Borrower;

         WHEREAS, as of November 30, 1993, Borrower, Bank One and Wells Fargo
entered into a Second Restated Loan Agreement to make certain changes to the
Restated Loan Agreement (the "Second Restated Loan Agreement");

         WHEREAS, as of June 6, 1994, Borrower, Bank One and Wells Fargo
entered into a Third Restated Loan Agreement to make certain changes to the
Second Restated Loan Agreement;

         WHEREAS, as of August 9, 1994, Borrower, Bank One and Wells Fargo
entered into a First Amendment to Third Restated Loan Agreement to add Paribas
as an additional Bank and to make certain other amendments to the Third
Restated Loan Agreement;

         WHEREAS, as of December 22, 1995, Borrower, Bank One, Wells Fargo and
Paribas entered into a Second Amendment to Third Restated Loan Agreement to
make certain changes to the Third Restated Loan Agreement;

         WHEREAS, as of June 2, 1995, Borrower, Bank One, Paribas and NBD Bank
("NBD") entered into a Fourth Restated Loan Agreement to add NBD as an
additional Bank to replace Wells Fargo and to make certain other amendments to
the Third Restated Loan Agreement;

         WHEREAS, as of December 31, 1995, Borrower, Bank One, Paribas and NBD
entered into a First Amendment to Fourth Restated Loan Agreement to make
certain changes therein;
<PAGE>   7
         WHEREAS, as of March 11, 1996, Borrower, Bank One, Paribas and NBD
entered into a Second Amendment to Fourth Restated Loan Agreement to make
certain additional changes to the Fourth Restated Loan Agreement;

         WHEREAS, FNB is the successor by assignment to the rights and
obligations herein of NBD;

         WHEREAS, Borrower, Bank One, Paribas and FNB have agreed to renew,
extend and consolidate the term loans and revolving loans outstanding at the
Effective Date into a reducing revolver loan facility and to make certain
additional amendments to the Fourth Restated Loan Agreement.

         NOW, THEREFORE, in consideration of the mutual covenants and
agreements herein contained, the parties hereto agree as follows:

         1.      DEFINITIONS.  When used herein the terms "Agent", "Agreement",
"Borrower", "Guarantor", "FNB", "Bank One", "NBD", "Paribas", "Wells Fargo" and
"Banks" shall have the meanings indicated above.  When used herein the
following terms shall have the following meanings:

                 (a)      Advance or Advances - A loan or loans hereunder.

                 (b)      Base Rate - The fluctuating rate of interest per
         annum established from time to time by Bank One as its Base Rate
         (which rate of interest may not be the lowest, best or most favorable
         rate of interest which Bank One may charge on loans to its customers).
         Each change in the Base Rate shall become effective without prior
         notice to Borrower automatically as of the opening of business on the
         date of such change in the Base Rate.

                 (c)      Base Rate Interest Period - With respect to any
         Advance on the Revolving Loan which is a Base Rate Loan, the period
         ending on the last Business Day of each month; provided, however, that
         (A) if any Base Rate Interest Period would end on a day which is not a
         Business Day, such Interest Period shall be extended to the next
         succeeding Business Day, and (B) if any Base Rate Interest Period
         would otherwise end after the Maturity Date such Interest Period shall
         end on the Maturity Date.

                 (d)      Base Rate Loans - Any loan during any period which
         bears interest at the Base Rate or which would bear interest at the
         Base Rate if the Maximum Rate ceiling was not in effect at that
         particular time.

                 (e)      Base Rate Margin - The fluctuating Base Rate Margin
         in effect from day to day shall be:





                                       2
<PAGE>   8
                          (i)     one-half of one percent (1/2%) per annum
                 whenever the Total Outstandings are greater than 75% of the
                 Elected Borrowing Limit in effect at the time in question;

                          (ii)    three-eighths of one percent (3/8%) per annum
                 whenever the Total Outstandings are greater than 50%, but less
                 than or equal to 75%, of the Elected Borrowing Limit in effect
                 at the time in question;

                          (iii)   one-fourth of one percent (1/4%) per annum
                 whenever the Total Outstandings are greater than 25%, but less
                 than or equal to 50%, of the Elected Borrowing Limit in effect
                 at the time in question;

                          (iv)    zero, whenever the Total Outstandings are 25%
                 or less of the Elected Borrowing Limit in effect at the time
                 in question.

                 (f)      Borrowing Base - The value, determined by the Banks
         in accordance with their customary standards, assigned by the Banks
         from time to time to the Collateral less the aggregate amount of any
         outstanding CWE guarantees of Vendor Financings.

                 (g)      Borrowing Base Deficiency - The term "Borrowing Base
         Deficiency" is used herein as defined in Section 9(b) hereof.

                 (h)      Borrowing Date - The date elected by the Borrower
         pursuant to (i) Section 2(d) hereof for an Advance on the Revolving
         Loan or (ii) Section 4(c) hereof for a change in interest rate
         placement on the Revolving Loan.

                 (i)      Business Day - The normal banking hours during any
         day (other than Saturdays or Sundays) that banks are legally open for
         business in Dallas, Texas.

                 (j)      Cash Flow - The Williams Consolidated Entities' cash
         flow from operations before working capital changes, excluding cash
         flow attributable to Vendor Financing, calculated in accordance with
         GAAP for the four (4) previous consecutive fiscal quarters ending with
         the fiscal quarter at which such determination is made.

                 (k)      Collateral - The term "Collateral" is used herein as
         defined in Section 6 hereof.





                                       3
<PAGE>   9
                 (l)      Commitment Percentage - The percentage of the
         Revolving Commitment that each Bank is severally obligated to fund
         hereunder, which, as of the date of this Agreement is:

             BANK ONE, TEXAS, N.A.                              50%
             BANQUE PARIBAS                                     25%
             THE FIRST NATIONAL BANK OF CHICAGO                 25%

                 (m)      Current Assets - The sum of the Williams Consolidated
         Entities' current assets, determined in accordance with GAAP, plus any
         unused portion of the Elected Borrowing Limit and less any current
         assets attributable to Vendor Financing transactions.

                 (n)      Current Liabilities - The total of the Williams
         Consolidated Entities' current liabilities, determined in accordance
         with GAAP, excluding therefrom (i) trade and revenue payables arising
         from Vendor Financings, and (ii) current maturities outstanding under
         the Notes and the Subordinated Notes.

                 (o)      Debt Service - At the end of each fiscal quarter, the
         sum of (i) the current portion of all notes payable as defined by GAAP
         (excluding amounts outstanding on the Revolving Commitment and the
         Subordinated Debt), plus (ii) the sum of the Monthly Commitment
         Reductions for the applicable months during such fiscal quarter, plus
         (iii) the sum of all amounts paid or payable by Borrower during such
         fiscal quarter as a result of its election made pursuant to Section
         9(b)(C).

                 (p)      Effective Date - The date of this Agreement.

                 (q)      Elected Borrowing Limit - The term "Elected Borrowing
         Limit" is used herein as defined in Section 7(c) hereof.

                 (r)      Engineered Value - The term "Engineered Value" is
         used herein as defined in Section 12(p) hereof.

                 (s)      Environmental Laws - The Comprehensive Environmental
         Response, Compensation and Liability Act of 1980, as amended by the
         Super Fund Amendments and Reauthorization Act of 1986, 42 U.S.C.A.
         Section 9601, et seq., the Resource Conservation and Recovery Act, as
         amended by the Hazardous Solid Waste Amendment of 1984, 42 U.S.C.A.
         Section 6901, et seq., the Clean Air Act, 42 U.S.C.A. Section 1251, et
         seq., the Toxic Substances Control Act, 15 U.S.C.A. Section 2601, et
         seq., and all other laws relating to air pollution, water pollution,
         noise control and/or the handling, discharge, disposal or recovery of
         on-site or off-site hazardous substances or materials, as each of the
         foregoing may be amended from time to time.





                                       4
<PAGE>   10
                 (t)      Environmental Liability - Any claim, demand,
         obligation, cause of action, accusation, allegation, order, violation,
         damage, injury, judgment, penalty or fine, cost of enforcement, cost
         of remedial action or any other costs or expense whatsoever, including
         reasonable attorneys' fees and disbursements, resulting from the
         violation or alleged violation of any Environmental Law or the
         imposition of any Environmental Lien (as hereinafter defined) which
         would individually or in the aggregate have a Material Adverse Effect.

                 (u)      Environmental Lien - A Lien in favor of any court,
         governmental agency or instrumentality or any other person (i) for any
         liability under any Environmental Law or (ii) for damages arising from
         or cost incurred by such court or governmental agency or
         instrumentality or other person in response to a release or threatened
         release of hazardous or toxic waste, substance or constituent into the
         environment.

                 (v)      ERISA - The Employee Retirement Income Security Act
         of 1974, as amended.

                 (w)      Eurodollar Business Day - A Business Day on which
         dealings in U.S. Dollar deposits are carried on in the London
         interbank market.

                 (x)      Eurodollar Interest Period - With respect to any
         Eurodollar Loan (i) initially, the period commencing on the date such
         Eurodollar Loan is made and ending thirty (30), sixty (60), ninety
         (90), one hundred twenty (120) or one hundred eighty (180) days
         thereafter as selected by the Borrower pursuant to Section 4(a)(ii)
         and (ii) thereafter, each period commencing on the day following the
         last day of the next preceding Interest Period applicable to such
         Eurodollar Loan and ending thirty (30), sixty (60), ninety (90), one
         hundred twenty (120) or one hundred eighty (180) days thereafter, as
         selected by the Borrower pursuant to Section 4(a)(ii); provided,
         however, that (i) if any Eurodollar Interest Period would otherwise
         expire on a day which is not a Eurodollar Business Day, such Interest
         Period shall expire on the next succeeding Eurodollar Business Day
         unless the result of such extension would be to extend such Interest
         Period into the next calendar month, in which case such Interest
         Period shall end on the immediately preceding Eurodollar Business Day,
         (ii) if any Eurodollar Interest Period begins on the last Eurodollar
         Business Day of a calendar month (or on a day for which there is no
         numerically corresponding day in the calendar month at the end of such
         Interest Period) such Interest Period shall end on the last Eurodollar
         Business Day of a calendar month, and (iii) any Eurodollar Interest
         Period which would otherwise expire after the Maturity Date shall end
         on such Maturity Date.

                 (y)      Eurodollar Loan - Any loan during any period which
         bears interest at the Eurodollar Rate, or which would bear interest at
         such rate if the Maximum Rate ceiling was not in effect at a
         particular time.





                                       5
<PAGE>   11
                 (aa)     Eurodollar Margin - The fluctuating Eurodollar Margin
         in effect from day to day shall be:

                          (i)     two percent (2.0%) per annum whenever the
                 Total Outstandings are greater than 75% of the Elected
                 Borrowing Limit in effect at the time in question;

                          (ii)    one and three-quarters percent (1.75%) per
                 annum whenever the Total Outstandings are greater than 50%,
                 but less than or equal to 75%, of the Elected Borrowing Limit
                 in effect at the time in question;

                          (iii)   one and one-half percent (1.50%) per annum
                 whenever the Total Outstandings are greater than 25%, but less
                 than or equal to 50%, of the Elected Borrowing Limit in effect
                 at the time in question;

                          (iv)    one and one-quarter percent (1.25%), whenever
                 the Total Outstandings are 25% or less of the Elected
                 Borrowing Limit in effect at the time in question.

                 (bb)     Eurodollar Rate - With respect to each Eurodollar
         Interest Period, the rate of interest per annum at which deposits in
         immediately available and freely transferable funds in U.S. Dollars
         are offered to the Agent (at approximately 10:00 a.m., Dallas, Texas
         time three Eurodollar Business Days prior to the first day of each
         Eurodollar Interest Period) in the London interbank market for
         delivery on the first day of such Eurodollar Interest Period in an
         amount equal to or comparable to the principal amount of the
         Eurodollar Loan to which such Eurodollar Interest Period relates.
         Each determination of the Eurodollar Rate by the Agent shall, in the
         absence of error, be conclusive and binding.

                 (cc)     Event of Default - The term "Event of Default" is
         used herein as defined in Section 14 hereof.

                 (dd)     Financial Statements - The Williams Consolidated
         Entities' consolidated balance sheets, income statements and
         statements of cash flow prepared in accordance with GAAP.

                 (ee)     GAAP - Generally accepted accounting principles,
         consistently applied.

                 (ff)     Good and Defensible Title - Title held by the
         Borrower and Guarantor that is free from defects as would cause a
         reasonable doubt in the mind of a reasonable and prudent purchaser in
         the area where the Collateral is situated and cause him if he were
         purchasing such Collateral to refuse to accept such Collateral





                                       6
<PAGE>   12
         at its full agreed value.  The title of Borrower and Guarantor may be
         subject to drilling obligations in leases, farmout agreements,
         operating agreements, covenants, restrictions, rights, easements,
         liens, encumbrances and minor irregularities in title which
         collectively do not interfere with the occupation, use and enjoyment
         of such Collateral in the normal course of business as presently
         conducted or contemplated to be conducted by Borrower and Guarantor or
         materially impair the value thereof for such business.

                 (gg)     Hedging Transactions - Any contract, agreement or
         transaction for the hedging or forward sale of crude oil and/or
         natural gas including but not limited to transactions involving swaps,
         caps, collars, floors and futures transactions.

                 (hh)     Interest Payment Date - The earlier of (i) the last
         day of each Interest Period or (ii) the last day of each calendar
         quarter.

                 (ii)     Interest Period - Any Base Rate Interest Period, or
         Eurodollar Interest Period.

                 (jj)     Letters of Credit - The term "Letters of Credit" is
         used herein as defined in Section 2(c) hereof.

                 (kk)     Lien - Any mortgage, deed of trust, pledge, security
         interest, assignment, encumbrance or lien (statutory or otherwise) of
         every kind and character.

                 (ll)     Loan Documents - This Agreement, the Note, the
         Security Instruments and all other documents executed in connection
         with the transaction described in this Agreement.

                 (mm)     Majority Banks - Banks holding at least 66-2/3%
         ownership of the Revolving Commitment, which shall include the Agent.

                 (nn)     Material Adverse Effect - Any Material Adverse Effect
         on the assets or properties, liabilities, financial condition,
         business, operations, affairs or circumstances of Borrower and
         Guarantor, taken as a whole, from those reflected in the Financial
         Statements of Borrower and Guarantor or from the facts represented or
         warranted in this Agreement or any other Security Instrument.

                 (oo)     Maturity Date - July 31, 1999.

                 (pp)     Maximum Rate - At the particular time in question,
         the maximum rate of interest which, under applicable law, may then be
         charged.  If such maximum rate of interest changes after the date
         hereof, the Maximum Rate shall be increased or decreased, as the case
         may be, without notice to Borrower from time to time as





                                       7
<PAGE>   13
         of the effective date of each such change in the Maximum Rate.  If
         applicable law ceases to provide for such a maximum rate of interest,
         the Maximum Rate shall be equal to eighteen percent (18%) per annum.

                 (qq)     Monthly Commitment Reduction - The term "Monthly
         Commitment Reduction" is used herein as defined in Section 7(d)
         hereof.

                 (rr)     Negative Pledge Property - All producing oil and gas
         properties and interests, from time to time, of Borrower or Guarantor
         which are not mortgaged or pledged to the Banks.

                 (ss)     Net Income - The Williams Consolidated Entities' Net
         Income determined in accordance with GAAP.

                 (tt)     Notes - The Revolving Notes.

                 (uu)     Notice of Borrowing - The term "Notice of Borrowing"
         is used herein as defined in Section 2(d) hereof.

                 (vv)     Oil and Gas Properties - All oil, gas and mineral
         properties and interests, and related personal properties, in which
         Borrower or Guarantor has granted and hereinafter grants (to the
         satisfaction of Agent) to Banks a first and prior lien and security
         interest.

                 (ww)     Permitted Liens - The term Permitted Lien shall mean
         (i) royalties, overriding royalties, reversionary interests,
         production payments and similar burdens granted by Borrower or
         Guarantor with respect to the Oil and Gas Properties if the net
         cumulative effect of such burdens does not operate to deprive Borrower
         or Guarantor of any material right in respect of its assets or
         properties (except for rights customarily granted with respect to such
         interests); (ii) statutory liens, including liens for taxes or other
         assessments that are not yet delinquent (or that, if delinquent, are
         being contested in good faith by appropriate proceedings and for which
         Borrower or Guarantor has set aside on its books adequate reserves in
         accordance with GAAP); (iii) easements, rights of way, servitudes,
         permits, surface leases and other rights in respect to surface
         operations, pipelines, grazing, logging, canals, ditches, reservoirs
         or the like, conditions, covenants and other restrictions, and
         easements of streets, alleys, highways, pipelines, telephone lines,
         power lines, railways and other easements and rights of way on, over
         or in respect of Borrower's or Guarantor's assets or properties; (iv)
         materialmen's, mechanic's, repairman's, employee's, contractor's,
         sub-contractor's, operator's and other Liens incidental to the
         construction, maintenance, development or operation of Borrower's or
         Guarantor's assets or properties to the extent not delinquent (or
         which, if delinquent, are being contested in good faith by appropriate
         proceedings and for which Borrower or Guarantor has set aside on its
         books adequate reserves in





                                       8
<PAGE>   14
         accordance with GAAP); (v) all contracts, agreements and instruments,
         and all defects and irregularities and other matters affecting
         Borrower's or Guarantor's assets and properties which were in
         existence at the time Borrower's or Guarantor's assets and properties
         were originally acquired by Borrower or Guarantor and all routine
         operational agreements entered into in the ordinary course of
         business, which contracts, agreements, instruments, defects,
         irregularities and other matters and routine operational agreements
         are not such as to, individually or in the aggregate, interfere
         materially with the operation, value or use of Borrower's or
         Guarantor's assets and properties, considered in the aggregate; (vi)
         liens in connection with workmen's compensation, unemployment
         insurance or other social security, old age pension or public
         liability obligations; (vii) legal or equitable encumbrances deemed to
         exist by reason of the existence of any litigation or other legal
         proceeding or arising out of a judgment or award with respect to which
         an appeal is being prosecuted in good faith; (viii) rights reserved to
         or vested in any municipality, governmental, statutory or other public
         authority to control or regulate Borrower's or Guarantor's assets and
         properties in any manner, and all applicable laws, rules and orders
         from any governmental authority; (ix) landlords liens; (x) liens
         created by or pursuant to this Agreement or the Security Instruments;
         (xi) liens existing at the date of this Agreement which have been
         disclosed to Banks in Borrower's or Guarantor's Financial Statements
         or identified on Exhibit "C" hereto; (xii) liens arising from
         indebtedness incurred by Borrower or Guarantor, which indebtedness is
         described in Section 13(b); and (xiii) Liens securing the Subordinated
         Debt.  Provided, however, that the definition of the term "Permitted
         Liens" does not include liens of any kind or character which are prior
         by perfection to the liens on the Collateral held by the Banks, or
         which may, by operation of law, become prior to such liens held by the
         Banks.

                 (xx)     Person - An individual, a corporation, a partnership,
         an association, a trust or any other entity or organization, including
         a government or political subdivision or an agency or instrumentality
         thereof.

                 (yy)     Plan - Any plan subject to Title IV of ERISA and
         maintained by Borrower, or any such plan to which Borrower is required
         to contribute on behalf of its respective employees.

                 (zz)     Revolving Commitment - Subject to the provisions of
         Section 2(a) hereof, as to all Banks, the lesser of (i)
         $100,000,000.00 or (ii) the Elected Borrowing Limit, and as to each
         Bank its obligation to make a Revolving Loan in the amount of the
         lesser of (i) its Commitment Percentage times $100,000,000, or (ii)
         its Commitment Percentage times the Elected Borrowing Limit.

                 (aaa)    Revolving Loan - Loan or loans made under the
         Revolving Commitment pursuant to Section 2(a) hereof.





                                       9
<PAGE>   15
                 (bbb)    Revolving Notes - The $50,000,000 Renewal Revolving
         Note, dated the Effective Date, payable to Bank One, the $25,000,000
         Renewal Revolving Note, dated the Effective Date, payable to Paribas,
         and the $25,000,000 Renewal Revolving Note, payable to FNB, dated the
         Effective Date.

                 (ccc)    Security Instruments - The term Security Instruments
         is used collectively herein to mean this Agreement, all Deeds of
         Trust, Mortgages, Security Agreements and Assignments of Production
         and Financing Statements, and other collateral documents covering
         certain of Borrower's and Guarantor's oil, gas and mineral properties
         and interest, and related personal property, and all amendments and
         supplements thereof, all pledge agreements covering stock and notes,
         and other collateral documents covering other collateral, all such
         documents to be in form and substance satisfactory to Agent.

                 (ddd)    Subsidiaries - Warrior, Clajon Industrial Gas, Inc.,
         Guarantor, Clayton Williams Argentina, Inc., Clayton Williams Trading
         Company and any other corporation or entity of which voting securities
         or other ownership interests having ordinary voting power to elect a
         majority of the board of directors or other persons performing similar
         functions are at any time owned directly or indirectly by Borrower.

                 (eee)    Subordination Agreement - That certain Subordination
         Agreement dated as of June 2, 1995 and executed by CWE, Guarantor and
         Bank One, as Subordinated Lender, and the Banks, as Senior Lenders.

                 (fff)    Subordinated Debt - The $5,500,000 subordinated loan
         made pursuant to the Subordinated Loan Agreement.

                 (ggg)    Subordinated Loan Agreement - That certain
         Subordinated Loan Agreement among CWE, Guarantor and Bank One, dated
         as of June 1, 1995, pursuant to which the Subordinated Debt is to be
         incurred.

                 (hhh)    Subordinated Notes - The subordinated notes issued
         pursuant to the Subordinated Loan Agreement.

                 (iii)    Tangible Net Worth - An amount equal to the total
         shareholder's equity shown on the consolidated balance sheet of the
         Williams Consolidated Entities, less all intangible assets including,
         but not limited to, good will, all as determined in accordance with
         GAAP.

                 (jjj)    Total Outstandings - As of any date, the total
         principal balance outstanding on the Notes plus the total face value
         of all outstanding Letters of Credit.





                                       10
<PAGE>   16
                 (kkk)    Unused Portion Fee - The term "Unused Portion Fee" is
         used herein as defined in Section 8(a) hereof.

                 (lll)    Vendor Financings - Non-recourse vendor financings by
         CWE or its Subsidiaries for services, equipment or materials on other
         than customary trade payable terms.

                 (mmm)  Williams Consolidated Entities - CWE and its
         Subsidiaries which are consolidated with it under GAAP.

         2.      COMMITMENTS OF THE BANKS.

                 (a)      Terms of Revolving Commitment.  On the terms and
         conditions hereinafter set forth, each Bank agrees severally to make
         Advances to Borrower from time to time during the period beginning on
         the Effective Date and ending on the Maturity Date in such amounts as
         Borrower may request up to an amount not to exceed, in the aggregate
         principal amount outstanding at any time, the Revolving Commitment.
         Provided, however, that notwithstanding anything to the contrary
         contained herein, but subject to the right of Borrower under Section
         9(b) hereof, the Total Outstandings, as of any date, shall never
         exceed the lesser of (i) $100,000,000.00, or (ii) the Borrowing Base.
         The obligation of each Bank to make Advances under the Revolving
         Commitment shall be limited to such Bank's Commitment Percentage of
         such Advance.  Notwithstanding any other provision of this Agreement,
         no Advance shall be required to be made hereunder if any Event of
         Default (as hereinafter defined) has occurred and is continuing or if
         any event or condition has occurred that may, with notice, be an Event
         of Default.  Borrower shall have the option pursuant to Section 4
         hereof to determine whether Advances hereunder shall be made as Base
         Rate Loans or Eurodollar Loans; provided, however, that Borrower shall
         not have the option to elect a Eurodollar Loan at any time when less
         than $5,000,000 in Base Rate Loans are outstanding.  Each Advance made
         as a Base Rate Loan shall be an aggregate amount of at least $100,000
         or a whole number multiple thereof.  Each Advance made as a Eurodollar
         Loan shall be in an aggregate amount of at least $250,000, or in
         integral multiples thereof. No more than two (2) Eurodollar traunches
         may be outstanding at any time.

                 (b)      Refinancing of Term Commitment.  The term loans
         previously made by the Banks to the Borrower pursuant to the
         provisions of the Third and Fourth Restated Loan Agreements are, as of
         the Effective Date, being renewed, extended and consolidated into the
         Revolving Commitment and the Revolving Commitment is being increased
         pursuant to the terms of this Fifth Restated Loan Agreement from
         $75,000,000 to $100,000,000.

                 (c)      Letters of Credit.  On the terms and conditions
         hereinafter set forth, Agent shall from time to time during the period
         beginning on the Effective Date and





                                       11
<PAGE>   17
         ending on the Maturity Date upon request of Borrower issue Letters of
         Credit for the account of Borrower (the "Letters of Credit") in such
         face amounts as Borrower may request, but not to exceed in the
         aggregate face amount at any time outstanding the sum of Ten Million
         Dollars ($10,000,000.00).  The face amount of all Letters of Credit
         issued and outstanding hereunder shall be considered as Advances on
         the Revolving Commitment for Borrowing Base purposes and all payments
         made by Agent (or by another issuing Bank) on such Letters of Credit
         shall be considered as Advances under the Revolving Notes.  The
         obligations of the Agent or any other issuing Bank on such Letters of
         Credit shall be secured by all of the Collateral.  Each Letter of
         Credit issued for the account of Borrower hereunder shall (i) be in
         favor of such beneficiaries as specifically requested by Borrower,
         (ii) have an expiration date not exceeding the earlier of (A) two (2)
         years from the date of their issuance, or (B) the Maturity Date, and
         (iii) contain such other terms and provisions as may be required by
         Agent or the issuing Bank.  In the event that at the Maturity Date
         there are outstanding Letters of Credit with expiration dates beyond
         the Maturity Date, Borrower and Banks agree that all Collateral
         pledged to secure the Notes and the other obligations of Borrower
         hereunder and under the other documents executed in connection
         herewith shall continue to secure the obligations of Borrower to Agent
         or other issuing Bank on such outstanding Letters of Credit until such
         time as either (a) all such Letters of Credit have expired by their
         terms or (b) the Agent or other issuing Bank has received
         indemnification from a party satisfactory to the Agent or the other
         issuing Bank, as the case may be, as to Borrower's obligations under
         any such outstanding Letters of Credit.  Each Bank (other than the
         Agent) agrees that, upon issuance of any Letter of Credit hereunder,
         it shall automatically acquire a participation in the Agent's
         liability under such Letter of Credit in an amount equal to such
         Bank's Commitment Percentage of such liability, and each Bank (other
         than the Agent) thereby shall absolutely, unconditionally and
         irrevocably assume, as primary obligor and not as surety, and shall be
         unconditionally obligated to the Agent to pay and discharge when due,
         its Commitment Percentage of the Agent's liability under such Letter
         of Credit.  Upon delivery by such Bank of funds to pay and discharge
         such liability, such Bank shall be treated as having purchased a
         participating interest in an amount equal to the amount of such funds
         delivered to the Agent by such Bank in the obligation of Borrower to
         reimburse Agent, as the issuer of such Letter of Credit, for any
         amounts payable, paid, or incurred by Agent, as the issuer of such
         Letter of Credit, with respect to such Letter of Credit.  Each such
         payment by such Bank shall be considered an Advance under its Note and
         shall bear interest at the rates specified in Section 4 hereof.  The
         Borrower hereby unconditionally agrees to pay and reimburse the Agent
         for its own account and for the account of each Bank providing funds
         for the purchase of a participation in such Letter of Credit for the
         amount of each demand for payment under any Letter of Credit that is
         in substantial compliance with the provisions of any such Letter of
         Credit at or prior to the date on which payment is made by the Agent
         to the beneficiary thereunder, without presentment, demand, protest or
         other formalities of any kind.  Upon receipt from





                                       12
<PAGE>   18
         any beneficiary of any Letter of Credit of any demand for payment
         under such Letter of Credit, the Agent shall promptly notify the
         Borrower of the demand and the date upon which such payment is to be
         made by the Agent to such beneficiary in respect of such demand.
         Forthwith upon receipt of such notice from the Agent, Borrower shall
         advise Agent whether or not it intends to borrow hereunder to finance
         its obligations to reimburse the Agent, and if so, submit a Notice of
         Borrowing as provided in Section 2(d) hereof.

                 (d)      Procedure for Advances on the Revolving Loan.
         Whenever Borrower desires an Advance on the Revolving Loan, they shall
         give Agent telegraphic, telex, facsimile or telephonic notice ("Notice
         of Borrowing") of such requested Advance, which in the case of
         telephonic notice, shall be promptly confirmed in writing.  Each
         Notice of Borrowing shall be in the form of Exhibit "A" attached
         hereto and shall be received by Agent not later than 11:00 a.m.
         Dallas, Texas time, (i) one Business Day prior to the Borrowing Date
         in the case of Base Rate Loans; and (ii) three (3) Eurodollar Business
         Days prior to any proposed Borrowing Date in the case of Eurodollar
         Loans.  Each Notice of Borrowing shall specify (i) the Borrowing Date
         (which, if a Base Rate Loan shall be a Business Day, and if a
         Eurodollar Loan, a Eurodollar Business Day), (ii) the principal amount
         to be borrowed, (iii) the portion of the borrowing constituting Base
         Rate Loans and/or Eurodollar Loans, (iv) if any portion of the
         proposed borrowing is to constitute Eurodollar Loans, the initial
         Interest Period selected by Borrower pursuant to Section 4 hereof to
         be applicable thereto, and (v) the date upon which disbursement is
         required.  Upon receipt of such notice, Agent shall advise each Bank
         thereof.  Not later than 1:00 p.m., Dallas, Texas time, on the date
         upon which the Advance is to be made, each Bank shall provide Agent at
         its office at 1717 Main Street, Dallas, Texas 75201, in immediately
         available funds, its pro rata share of the requested Advance.  Not
         later than 2:00 p.m., Dallas, Texas time, on the date for which the
         Advance was requested, Agent shall make available to Borrower at the
         same office, in like funds, the aggregate amount of such requested
         Advance.  Neither Agent nor any Bank shall incur any liability to
         Borrower in acting upon any notice referred to above which Agent or
         such Bank believes in good faith to have been given by a duly
         authorized officer or other person authorized to borrow on behalf of
         Borrower or for otherwise acting in good faith under this Section
         2(d).  Upon funding of Advances by Banks in accordance with this
         Agreement pursuant to any such notice, Borrower shall have effected
         Advances hereunder.

                 (e)      Procedure for Obtaining Letters of Credit.  The
         amount and date of issuance, renewal, extension or reissuance of a
         Letter of Credit pursuant to the Banks' commitment above in Section
         2(c) shall be designated by Borrower's written request delivered to
         Agent at least three (3) Business Days prior to the date of such
         issuance, renewal, extension or reissuance.  Concurrently with or
         promptly following the delivery of the request for a Letter of Credit,
         Borrower shall execute and deliver to the Agent an application and
         agreement with respect to the Letters of Credit on





                                       13
<PAGE>   19
         the customary forms of the Agent pertaining to such Letters of Credit.
         The Agent shall not be obligated to issue, renew, extend or reissue
         such Letters of Credit if (A) the amount thereon when added to the
         amount of the outstanding Letters of Credit exceed Ten Million Dollars
         ($10,000,000.00) or (B) the amount thereof when added to the amount of
         all outstanding Letters of Credit and all amounts outstanding under
         the Notes would exceed the Revolving Commitment.  Borrower agrees to
         pay the Agent for the benefit of the Banks commissions for issuing the
         Letters of Credit (calculated separately for each Letter of Credit) at
         the rate of the greater of (i) 1 1/2% per annum on the maximum face
         amount of the Letter of Credit or (ii) $400.00.  Such commission shall
         be payable prior to the issuance of the Letter of Credit and
         thereafter on each anniversary date of such issuance while such Letter
         of Credit is outstanding.

                 (f)      Several Obligations.  The obligations of the Banks
         under the Revolving Commitment are several and not joint.  The failure
         of any Bank to make an Advance required to be made by it shall not
         relieve any other Bank of its obligation to make its Advance, and no
         Bank shall be responsible for the failure of any other Bank to make
         the Advance to be made by such other Bank. No Bank shall ever be
         required to lend hereunder any amount in excess of its legal lending
         limit.

         3.      NOTES EVIDENCING LOANS.  The loans described above in Section
2 shall be evidenced by promissory notes of Borrower as follows:

                 (a)      Form of Revolving Notes - The Revolving Loan shall be
         evidenced by three Revolving Notes in the total amount of
         $100,000,000, one in the amount of $50,000,000 payable to Bank One,
         one in the amount of $25,000,000 payable to Paribas and one in the
         amount of $25,000,000 payable to FNB.  Copies of the Revolving Notes
         are attached hereto as Exhibits "B", "B-1" and "B-2".  Notwithstanding
         the principal amount of the Revolving Notes, as stated on the face
         thereof, the actual principal amount due from Borrower to Banks on
         account of the Revolving Notes, as of any date of computation, shall
         be the sum of Advances then and theretofore made on account thereof,
         less all principal payments actually received by Banks in collected
         funds with respect thereto.  Interest in respect thereof shall be
         payable only for the period during which the Revolving Loan evidenced
         thereby is outstanding and, although the stated amount of the
         Revolving Notes may be higher, the Revolving Notes shall be
         enforceable, with respect to Borrower's obligation to pay the
         principal amount thereof, only to the extent of the unpaid principal
         amount of the Revolving Loan.

                 (b)      Interest Rates - The unpaid principal balance of the
         Revolving Notes shall bear interest from time to time at a rate of
         interest determined from time to time depending on the option or
         options selected by Borrower pursuant to Section 4(a) hereof.





                                       14
<PAGE>   20
                 (c)      Payment of Interest - Interest on the Notes shall be
         payable as specified in Section 4 hereof.

                 (d)      Payment of Principal - The entire unpaid principal
         balance of the Revolving Notes shall be due and payable on the
         Maturity Date.

                 (e)      Issuance of Additional Notes - At the Effective Date
         there shall be outstanding three Revolving Notes, one in the face
         amount of $50,000,000, payable to the order of Bank One, one in the
         face amount of $25,000,000, payable to the order of Paribas and one in
         the face amount of $25,000,000 payable to the order of FNB.  From time
         to time during the period from the Effective Date to the Maturity
         Date, additional Notes may be issued to the Banks and other Banks as
         such other Banks become parties to this Agreement.  The face amount of
         each such new Revolving Note shall be in an amount equal to the
         Commitment Percentage of such Bank times $100,000,000.  The aggregate
         face amount of all such Revolving Notes issued and outstanding as of
         any date shall never exceed $100,000,000.  Upon request from Agent,
         the Borrowers shall execute and deliver to Agent any such new or
         additional Notes.  From time to time as new Notes are issued the Agent
         shall require that each Bank exchange their Notes for newly issued
         Notes to better reflect the extent of each Bank's commitment
         hereunder.

         4.      INTEREST RATES.

                 (a)      Options.

                                  (i)      Base Rate Loans.  Borrower agrees to
                          pay interest on the Notes calculated on the basis of
                          the actual days elapsed in a year consisting of 365
                          or, if appropriate, 366 days with respect to the
                          unpaid principal amount of each Base Rate Loan from
                          the date the proceeds thereof are made available to
                          Borrower until maturity (whether by acceleration or
                          otherwise), at a varying rate per annum equal to the
                          lesser of (i) the Maximum Rate (defined herein), or
                          (ii) the sum of the Base Rate plus the Base Rate
                          Margin.  Subject to the provisions of this Agreement
                          as to prepayment, the principal of the Notes
                          representing Base Rate Loans shall be payable as
                          specified in Section 3(d) hereof, the interest in
                          respect of each Base Rate Loan shall be payable on
                          each Interest Payment Date.  Past due principal and,
                          to the extent permitted by law, past due interest in
                          respect to each Base Rate Loan, shall bear interest,
                          payable on demand, at a rate per annum equal to the
                          Maximum Rate.

                                  (ii)     Eurodollar Loans.  Borrower agrees
                          to pay interest calculated on the basis of a year
                          consisting of 360 days





                                       15
<PAGE>   21
                          with respect to the unpaid principal amount of each
                          Eurodollar Loan from the date the proceeds thereof
                          are made available to Borrower until maturity
                          (whether by acceleration or otherwise), at a varying
                          rate per annum equal to the lesser of (i) the Maximum
                          Rate, or (ii) sum of the Eurodollar Rate plus the
                          Eurodollar Margin.  Interest with respect to each
                          Eurodollar Loan shall be payable on each Interest
                          Payment Date.  Upon three (3) Eurodollar Business
                          Days' written notice prior to the making by the Banks
                          of any Eurodollar Loan (in the case of the initial
                          Interest Period therefor) or the expiration date of
                          each succeeding Interest Period (in the case of
                          subsequent Interest Periods therefor), Borrower shall
                          have the option, subject to compliance by Borrower
                          with all of the provisions of this Agreement, as long
                          as no Event of Default exists, to specify whether the
                          Interest Period commencing on any such date shall be
                          a 30, 60, 90, 120 or 180 day period.  If Agent shall
                          not have received timely notice of a designation of
                          such Interest Period as herein provided, Borrower
                          shall be deemed to have elected to convert all
                          maturing Eurodollar Loans to Base Rate Loans.

                 (b)      Interest Rate Determination.  The Agent shall
         determine each interest rate applicable to the Revolving Loan
         hereunder.  The Agent shall give prompt notice to the Borrower of each
         rate of interest so determined and its determination thereof shall be
         conclusive absent error.

                 (c)      Conversion Option.  Borrower may elect from time to
         time (i) to convert all of any part of its Eurodollar Loans to Base
         Rate Loans by giving Agent irrevocable notice of such election in
         writing prior to 10:00 a.m. (Dallas, Texas time) on the conversion
         date and such conversion shall be made on the requested conversion
         date, provided that any such conversion of Eurodollar Loan shall only
         be made on the last day of the Eurodollar Interest Period with respect
         thereof, (ii) to convert all or any part of its Base Rate Loans to
         Eurodollar Loans by giving the Agent irrevocable written notice of
         such election three (3) Eurodollar Business Days prior to the proposed
         conversion and such conversion shall be made on the requested
         conversion date or, if such requested conversion date is not a
         Eurodollar Business Day or a Business Day, as the case may be, on the
         next succeeding Eurodollar Business Day or Business Day, as the case
         may be.  Any such conversion shall not be deemed to be a prepayment of
         any of the loans for purposes of this Agreement on either of the
         Notes.

                 (d)      Recoupment.  If at any time the applicable rate of
         interest selected pursuant to Sections 4(a)(i) or 4(a)(ii) above shall
         exceed the Maximum Rate, thereby causing the interest on the Notes to
         be limited to the Maximum Rate, then





                                       16
<PAGE>   22
         any subsequent reduction in the interest rate so selected or
         subsequently selected shall not reduce the rate of interest on the
         Notes below the Maximum Rate until the total amount of interest
         accrued on the Notes equals the amount of interest which would have
         accrued on the Notes if the rate or rates selected pursuant to
         Sections 4(a)(i) or 4(a)(ii), as the case may be, had at all times
         been in effect.

         5.      SPECIAL PROVISIONS RELATING TO EURODOLLAR LOANS.

                 (a)      Unavailability of Funds or Inadequacy of Pricing.  In
         the event that, in connection with any proposed Eurodollar Loan, Agent
         (i) shall have determined that U.S. Dollar deposits of the relevant
         amount and for the relevant Eurodollar Interest Period for Eurodollar
         Loans are not available to Agent in the London interbank market; or
         (ii) in good faith determines that the Eurodollar Interest Rate will
         not adequately reflect the cost to the Banks of maintaining or funding
         the Eurodollar Loans for such Interest Period, the obligations of the
         Banks to make the Eurodollar Loans, as the case may be, shall be
         suspended until such time as Agent in its sole discretion reasonably
         exercised determines that the event resulting in such suspension has
         ceased to exist.  If Agent shall make such determination it shall
         promptly notify Borrower in writing and Borrower shall either repay
         the outstanding Eurodollar Loans, as the case may be, owed to Banks,
         without penalty, on the last day of the current Interest Period or
         convert the same to Base Rate Loans in the case of Eurodollar Loans on
         the last day of the then current Interest Period for such Eurodollar
         Loan.

                 (b)      Reserve Requirements.  In the event of any change in
         any applicable law, treaty or regulation or in the interpretation or
         administration thereof, or in the event any central bank or other
         fiscal monetary or other authority having jurisdiction over the Banks
         or the loans contemplated by this Agreement shall impose, modify or
         deem applicable any reserve requirement of the Board of Governors of
         the Federal Reserve System on any Eurodollar Loan or loans, or any
         other reserve, special deposit, or some requirements against assets
         to, deposits with or for the account of, or credit extended by, the
         Banks or shall impose on the Banks or the London interbank market, as
         the case may be, any other condition affecting this Agreement or the
         Eurodollar Loans and the result of any of the foregoing is to increase
         the cost to the Banks in making or maintaining its Eurodollar Loans or
         to reduce any amount (or the effective return on any amount) received
         by the Banks hereunder, then Borrower shall pay to the Banks upon
         demand of the Banks as additional interest on the Revolving Notes
         evidencing the Eurodollar Loans such additional amount or amounts as
         will reimburse the Banks for such additional cost or such reduction.
         The Banks shall give notice to Borrower upon becoming aware of any
         such change or imposition which may result in any such increase or
         reduction.  A certificate of any Bank setting forth the basis for the
         determination of such amount necessary to compensate Banks as
         aforesaid shall be delivered to





                                       17
<PAGE>   23
         Borrower and shall be conclusive as to such determination and such
         amount, absent error.

                 (c)      Taxes.  Both principal and interest on the Revolving
         Notes evidencing the Eurodollar Loans are payable without withholding
         or deduction for or on account of any taxes.  If any taxes are levied
         or imposed on or with respect to the Revolving Notes evidencing the
         Eurodollar Loans or on any payment on the Revolving Notes evidencing
         the Eurodollar Loans made to the Banks, then, and in any such event,
         Borrower shall pay to the Banks upon demand of the Banks such
         additional amounts as may be necessary so that every net payment of
         principal and interest on the Revolving Notes evidencing the
         Eurodollar Loans, after withholding or deduction for or on account of
         any such taxes, will not be less than any amount provided for herein.
         In addition, if at any time when the Eurodollar Loans are outstanding
         any laws enacted or promulgated, or any court of law or governmental
         agency interprets or administers any law, which, in any such case,
         materially changes the basis of taxation of payments to the Banks of
         principal of or interest on the Revolving Notes evidencing the
         Eurodollar Loans by reason of subjecting such payments to double
         taxation or otherwise (except through an increase in the rate of tax
         on the overall net income of Banks) then Borrower will pay the amount
         of loss to the extent that such loss is caused by such a change.  The
         Banks shall give notice to Borrower upon becoming aware of the amount
         of any loss incurred by the Banks through enactment or promulgation of
         any such law which materially changes the basis of taxation of
         payments to the Banks.  The Banks shall also give notice on becoming
         aware of any such enactment or promulgation which may result in such
         payments becoming subject to double taxation or otherwise.  A
         certificate of any Bank setting forth the basis for the determination
         of such loss and the computation of such amounts shall be delivered to
         Borrower and shall be conclusive of such determination and such
         amount, absent error.

                 (d)      Change in Laws.  If at any time any new law or any
         change in existing laws or in the interpretation of any new or
         existing laws shall make it unlawful for the Banks to maintain or fund
         its Eurodollar Loans hereunder, then the Banks shall promptly notify
         Borrower in writing and Borrower shall either repay the outstanding
         Eurodollar Loans owed to the Banks, without penalty, on the last day
         of the current Interest Periods (or, if the Banks may not lawfully
         continue to maintain and fund such Eurodollar Loans, immediately), or
         Borrower may convert such Eurodollar Loans at such appropriate time to
         Base Rate Loans.

                 (e)      Option to Fund.  The Banks shall have the option if
         the Borrower elects a Eurodollar Loan, to purchase one or more
         deposits in order to fund or maintain its funding of the principal
         balance of the Revolving Notes to which such Eurodollar Loan is
         applicable during the Interest Period in question; it being understood
         that the provisions of this Agreement relating to such funding are
         included only for the purpose of determining the rate of interest to
         be paid under





                                       18
<PAGE>   24
         such Eurodollar Loan and any amounts owing hereunder and under the
         Revolving Notes.  The Banks shall be entitled to fund and maintain its
         funding of all or any part of that portion of the principal balance of
         the Revolving Notes in any manner it sees fit, but all such
         determinations hereunder shall be made as if the Banks have actually
         funded and maintained that portion of the principal balance of the
         Revolving Notes to which a Eurodollar Loan is applicable during the
         applicable Interest Period through the purchase of deposits in an
         amount equal to the principal balance of the Revolving Notes to which
         such Eurodollar Loan is applicable and having a maturity corresponding
         to such Interest Period.  The Banks may fund the outstanding principal
         balance of the Revolving Notes which is to be subject to any
         Eurodollar Loan from any branch or office of the Banks as the Banks
         may designate from time to time.

                 (f)      Indemnity.  Borrower shall indemnify and hold
         harmless the Banks against all reasonable and necessary out-of-pocket
         costs and expenses (which costs and expenses are not intended to
         include, without limitation, any loss sustained by the Banks in
         connection with the borrowing or reemployment of funds with respect to
         any Eurodollar Loan) which the Banks may sustain (i) as a result of
         the making of any loan or loans as a Eurodollar Loan, or (ii) as a
         consequence of any default by Borrower under this Agreement.

         6.      COLLATERAL SECURITY.  To secure the performance by Borrower of
its obligations hereunder, and under the Notes and Security Instruments,
whether now or hereafter incurred, matured or unmatured, direct or contingent,
joint or several, or joint and several, including extensions, modification and
renewals thereof, and substitutions therefore, Borrower has heretofore granted
and assigned to the Agent, for the ratable benefit of the Banks, a first and
prior security interest and lien on the Oil and Gas Properties, the stock of
the Subsidiaries, and the other collateral.  Guarantor has heretofore executed
and delivered its guaranty agreement guaranteeing the prompt payment and
performance of Borrower's obligations hereunder and under the Notes.  As
security for the performance of its guaranty agreement, Guarantor has
heretofore granted to Agent, for the ratable benefit of Banks, a first and
prior lien on its Oil and Gas Properties.  Guarantor shall execute this
Agreement to confirm its consent to (i) the execution of the Agreement by
Borrower, and (ii) the amendments contained therein.  All Oil and Gas
Properties, oil and gas related equipment, inventory and receivables, stock,
notes and other collateral in which Borrower or Guarantor has heretofore or
hereafter grants to the Agent, for the ratable benefit of the Banks, a first
and prior lien (to the satisfaction of the Banks) in accordance with this
Section 6, as such properties and interests are from time to time constituted,
are hereinafter collectively called the "Collateral."

         The granting and assigning of such security interests and liens by
Borrower shall be pursuant to Security Instruments in form and substance
satisfactory to the Agent.  Borrower and Guarantor shall furnish to the Agent
the mortgage and title opinions and other documents satisfactory to Agent with
respect to the title and lien status of its





                                       19
<PAGE>   25
interests in such of the Oil and Gas Properties covered by the Security
Instruments as required in Section 12(n) and (o) hereof.  Borrower and
Guarantor will cause to be executed and delivered to the Agent, for the ratable
benefit of the Banks, in the future, additional Security Instruments if the
Agent deems such are necessary to insure perfection or maintenance of their
security interests and liens in the Collateral or any part thereof.

         7.      BORROWING BASE.

                 (a)      Initial Borrowing Base.  During the period from the
         date hereof to the next determination date, the Borrowing Base shall
         be $52,000,000.00.

                 (b)      Subsequent Determinations of Borrowing Base.
         Subsequent determinations of the Borrowing Base shall be made by Banks
         at least semi-annually and the Banks may make a redetermination at any
         time and shall make a redetermination if and when requested by
         Borrower.  In connection with each such determination of the Borrowing
         Base, the Banks shall also determine the Monthly Commitment Reduction.
         Such Borrowing Base and Monthly Commitment Reduction determinations
         shall be made on or before each November 20 and May 20, commencing
         November 20, 1996, the same to be effective as of each November 1 and
         May 1, commencing November 1, 1996, and at such other dates as
         determined at the discretion of Majority Banks.  Borrower may likewise
         request more frequent Borrowing Base redeterminations and Banks shall
         make the same if and when requested.  In making such determinations,
         Banks may utilize such reports and appraisals as Borrower may furnish
         to Banks through Agent under other provisions hereof with respect to
         the Collateral, including the information required pursuant to Section
         12(a)(iii), (iv), (v) and (vi), together with such other data as Banks
         may deem appropriate under the then circumstance, including, without
         limitation, cash flow and projections of cash flow, provided that
         nothing herein shall be construed to require that Banks or Agent shall
         or should obtain and pay for any reports, appraisals or other data
         from third parties in connection therewith.  Such determinations shall
         be made by Banks in accordance with their respective customary
         practices and standards for loans in similar amounts to borrowers
         similarly situated, at the times and under the circumstances then
         prevailing which are considered by each Bank in its discretion,
         subject only to the requirement that such determination shall be
         reasonable and made in good faith.  If the Banks cannot otherwise
         agree on the Borrowing Base or Monthly Commitment Reduction, each Bank
         will submit in writing to the Agent its proposed Borrowing Base and
         Monthly Commitment Reduction and the Borrowing Base and Monthly
         Commitment Reduction shall be set on the basis of the lowest Borrowing
         Base and highest Monthly Commitment Reduction proposed by any Bank.
         If at any time any of the Collateral is sold, the Borrowing Base then
         in effect shall automatically be reduced by a sum equal to the
         proceeds, net of reasonable cost of said sale and any taxes relating
         thereto, received on the sale of such Collateral.  If a non-scheduled
         Borrowing Base redetermination is made, such non-scheduled
         redetermined





                                       20
<PAGE>   26
         Borrowing Base shall become effective immediately upon Agent giving
         notice thereof to the Borrower.  Provided, however, that no Bank shall
         ever have an obligation to designate a Borrowing Base or Monthly
         Commitment Reduction in an amount such that such Bank's Commitment
         Percentage thereof is in excess of its legal or internal lending
         limits.

                 (c)      Voluntary Decreases in Borrowing Base.  Within ten
         (10) Business Days after notification to Borrower of a Borrowing Base
         redetermination pursuant to the provisions of this Section 7, Borrower
         may notify Agent as to what portion of the Borrowing Base they desire
         access (the "Elected Borrowing Limit").  Thereafter, Borrower may
         obtain Revolving Loans which do not exceed the lesser of (i)
         $100,000,000, or (ii) the Elected Borrowing Limit until the next
         Borrowing Base redetermination, subject to the provisions of Section
         9(b) hereof.  If no such notification is received by Agent, the
         Elected Borrowing Limit shall be the lesser of $100,000,000 or the
         Borrowing Base as so determined.

                 (d)      Monthly Commitment Reduction.  The Borrowing Base
         shall be reduced as of the last day of each month after the Effective
         Date by an amount determined by the Banks pursuant to Section 7(b)
         hereof (the "Monthly Commitment Reduction").  Beginning July 31, 1996,
         the Monthly Commitment Reduction shall be $1,000,000 per month until
         redetermined pursuant to Section 7(b) hereof.

         8.      FEES.

                 (a)      Unused Portion Fee.  In consideration of the
         Revolving Commitment, Borrower shall pay to Agent, for the ratable
         benefit of Banks, an Unused Portion Fee (hereinafter referred to as
         the "Unused Portion Fee") equivalent to one-half of one percent (1/2%)
         per annum of the differential between the average Elected Borrowing
         Limit and the Total Outstandings for the preceding three months.  The
         Unused Portion Fee shall be payable in arrears on the last Business
         Day of each January, April, July and October, commencing on July 31,
         1996.  All amounts due under Section 8(b) of the Fourth Restated Loan
         Agreement as of the Effective Date as Unused Portion Fees shall be
         paid to Agent for the ratable benefit of the Banks on the Effective
         Date.  The final fee payment shall be due on the Maturity Date for any
         period then ending for which the Unused Portion Fee shall not have
         been theretofore paid.  In the event the Revolving Commitment
         terminates on any date prior to the end of any such quarterly period,
         Borrower shall pay to Banks, on the date of such termination, the
         prorated portion of the total Unused Portion Fee due for such of the
         period in which such termination occurs.

                 (b)      Borrowing Base Increase Fee.  Borrower agrees to pay
         to Agent, for the ratable benefit of Banks, a Borrowing Base Increase
         Fee (hereinafter referred to as the "Borrowing Base Increase Fee")
         equal to one-half of one percent (.50%) of





                                       21
<PAGE>   27
         the amount of any increase in the Elected Borrowing Limit from the
         amount of the Elected Borrowing Limit as of the preceding
         determination date, said fee to be payable upon notice to Borrower of
         such increase.

                 (c)      Letter of Credit Fee.  Borrower agrees to pay to
         Agent, for the benefit of the Banks, commissions for issuing Letters
         of Credit in the amounts and at the rates set forth hereinabove in
         Section 2(e).

                 (d)      Agency Fee.  Borrower agrees to pay to Agent an
         Agency Fee for its services as Agent hereunder in an amount negotiated
         between Borrower and Agent.

         9.      PREPAYMENTS.

                 (a)      Voluntary Prepayments.  Borrower may at any time and
         from time to time, without penalty or premium, make voluntary
         prepayments in whole or in part on the Notes.  Each such prepayment
         shall be made on at least one (1) Business Day's notice to Agent and
         shall be in an amount of $100,000 or any larger multiple thereof plus
         accrued interest thereon to the date of prepayment.

                 (b)      Mandatory Prepayment.  In the event the Total
         Outstandings ever exceed the Borrowing Base as determined by the Banks
         pursuant to Section 7 hereof (a "Borrowing Base Deficiency"), Borrower
         shall, within thirty (30) days after notification from Agent either
         (A) by instruments satisfactory in form and substance to Banks,
         provide the Banks with additional collateral with value and quality
         satisfactory to Banks in their sole discretion in order to increase
         the Borrowing Base by an amount at least equal to such excess, or (B)
         prepay, without premium or penalty, the principal amount of the Notes
         in an amount at least equal to such excess, or (C) prepay, without
         premium or penalty, the amount of such excess in five (5) equal
         monthly installments due and payable on the last Business Day of each
         of the next five (5) consecutive months, or (D) elect to convert the
         entire principal amount of the Notes to a term obligation with monthly
         installments of principal and interest due and payable on the last
         Business Day of each month from the date of such conversion to the
         Maturity Date, each such installment payment to be in the amount of
         accrued interest plus an amount of principal equal to the greater of
         (i) 1/36th of the outstanding balance on the date of conversion or
         (ii) an amount determined by dividing the principal amount outstanding
         on the date of the conversion by the estimated economic half-life of
         the Oil and Gas Properties expressed in terms of months, as determined
         by the Agent in its sole and absolute discretion reasonably exercised.
         Notwithstanding any of the foregoing, all unpaid principal and
         interest shall be due and payable on the Maturity Date.  Provided,
         however, that in the event the Borrower elects option (C) above, the
         Borrowing Base Deficiency must be cured at the end of the installment
         period specified above or the entire outstanding principal balance due
         on the Notes shall immediately convert to a term loan payable in
         accordance with the payment provisions set forth





                                       22
<PAGE>   28
         in subsection (D) above.  Provided, further, however, that during the
         five (5) month prepayment period specified in subsection (C) above,
         Borrower may elect at any time to convert to a term loan pursuant to
         subsection (D) above.  The determination of whether Borrower has cured
         any such Borrowing Base Deficiency at the end of the installment
         period specified in (C) above, shall be made by the Banks in their
         sole and absolute discretion based upon an unscheduled Borrowing Base
         redetermination made pursuant to Section 7(b) of this Agreement.

         10.     REPRESENTATIONS AND WARRANTIES. In order to induce the Banks
to enter into this Agreement, Borrower hereby represents and warrants to the
Banks (which representations and warranties will survive the delivery of the
Notes) that:

                 (a)      Creation and Existence.  Borrower and Guarantor are
         corporations duly organized and validly existing in good standing
         under the laws of their state of incorporation and are duly qualified
         as a foreign corporation in all jurisdictions wherein failure to
         qualify may result in a Material Adverse Effect.  Borrower and
         Guarantor have all the power and authority to own their properties and
         assets and to transact the business in which they are engaged.

                 (b)      Power and Authorization.  Borrower and Guarantor have
         the power and requisite authority, and has taken all action necessary,
         to execute, deliver and perform the Loan Documents.

                 (c)      Binding Obligations.  This Agreement does, and the
         Notes and other Security Instruments upon their creation, issuance,
         execution and delivery will, constitute valid and binding obligations
         of Borrower and Guarantor, enforceable in accordance with their
         respective terms (except that enforcement may be subject to any
         applicable bankruptcy, insolvency, reorganization, moratorium or
         similar laws generally affecting the enforcement of creditors' rights
         and subject to availability of equitable remedies).

                 (d)      No Legal Bar or Resultant Lien.  The Notes and the
         Security Instruments, including this Agreement, do not and will not
         conflict with or violate any provisions of the articles of
         incorporation or bylaws of Borrower or Guarantor or, except as
         disclosed to Banks prior to the Effective Date hereof, any contract,
         agreement, law, regulation, order, injunction, judgment, decree or
         writ to which Borrower or Guarantor is subject, or result in the
         creation or imposition of any lien or other encumbrance upon any
         assets or properties of Borrower or Guarantor, other than those
         contemplated by this Agreement which conflict, violation, creation or
         imposition is reasonably expected to have a Material Adverse Effect.

                 (e)      No Consent.  The execution, delivery and performance
         by Borrower or Guarantor of the Notes and the Security Instruments,
         including this Agreement, does not require the consent or approval of
         any other person or entity, including





                                       23
<PAGE>   29
         without limitation any regulatory authority or governmental body of
         the United States or any state thereof or any political subdivision of
         the United States or any state thereof.

                 (f)      Financial Condition.  The Financial Statements of the
         Williams Consolidated Entities which have been delivered to Banks are
         complete and correct in all material respects and fairly present in
         all material respects the financial condition and results of the
         operations of the Williams Consolidated Entities as of the date or
         dates and for the period or periods stated.  No change has since
         occurred in the condition, financial or otherwise, of the Williams
         Consolidated Entities which is reasonably expected to have a Material
         Adverse Effect, except as disclosed to the Banks in Exhibit "C"
         attached hereto.  The Financial Statements which have been delivered
         to Banks have been prepared substantially in accordance with GAAP.

                 (g)      Liabilities.  Neither Borrower nor Guarantor has any
         material (individually or in the aggregate) liability, direct or
         contingent, except as disclosed to the Banks in the Financial
         Statements or in Exhibit "D" attached hereto.  No unusual or unduly
         burdensome restrictions, restraint, or hazard exists by contract, law
         or governmental regulation or otherwise relative to the business,
         assets or properties of Borrower or Guarantor which is reasonably
         expected to have a Material Adverse Effect.

                 (h)      Litigation.  Except as described in the Financial
         Statements or as otherwise disclosed to the Banks in Exhibit "E"
         attached hereto, there is no litigation, legal or administrative
         proceeding, investigation or other action of any nature pending or, to
         the knowledge of the officers of Borrower, threatened against or
         affecting Borrower or Guarantor which involves the possibility of any
         judgment or liability not fully covered by insurance, and which is
         reasonably expected to have a Material Adverse Effect.

                 (i)      Taxes; Governmental Charges.  Borrower and Guarantor
         have filed all tax returns and reports required to be filed and has
         paid all taxes, assessments, fees and other governmental charges
         levied upon it or its assets, properties or income which are due and
         payable, including interest and penalties, or has provided adequate
         reserves, if required, in accordance with GAAP for the payment
         thereof, except such as are being contested in good faith by
         appropriate proceedings and for which adequate reserves for the
         payment thereof as required by GAAP have been provided.

                 (j)      Titles, Etc.  Borrower and Guarantor have Good and
         Defensible title to all of the Collateral pledged or mortgaged by them
         except for defects which are not reasonably expected to have a
         Material Adverse Effect, free and clear of all liens or other
         encumbrances, except Permitted Liens; and Borrower and Guarantor, to
         the





                                       24
<PAGE>   30
         best of their knowledge after the exercise of such due diligence as a
         reasonable person would have done under the same or similar
         circumstances, have Good and Defensible Title to their other assets
         and properties (except for (i) undeveloped oil and gas properties, and
         (ii) defects which are not reasonably expected to have a Material
         Adverse Effect), free and clear of all liens or other encumbrances,
         except Permitted Liens.

                 (k)      Defaults.  Neither Borrower nor Guarantor is in
         default and no event or circumstance has occurred which, but for the
         passage of time or the giving of notice, or both, would constitute a
         default under any loan or credit agreement, indenture, mortgage, deed
         of trust, security agreement or other agreement or instrument to which
         Borrower or Guarantor is a party in any respect that would be
         reasonably expected to have a Material Adverse Effect.  No Event of
         Default hereunder has occurred and is continuing.

                 (l)      Casualties; Taking of Properties.  Since the dates of
         the latest Financial Statements delivered to Banks, neither the
         business nor the assets or properties of Borrower or Guarantor have
         been 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 domestic or foreign
         government or any agency thereof, riot, activities of armed forces or
         acts of God or of any public enemy that would reasonably be expected
         to have a Material Adverse Effect.

                 (m)      Use of Proceeds; Margin Stock.  The proceeds of the
         loans hereunder will be used by Borrower for working capital,
         acquisition, letters of credit and general corporate purposes.
         Borrower is not engaged in the business of extending credit for the
         purpose of purchasing or carrying any "margin stock" as defined in
         Regulation U of the Board of Governors of the Federal Reserve System
         (12 C.F.R. Part 221), or for the purpose of reducing or retiring any
         indebtedness which was originally incurred to purchase or carry a
         margin stock or for any other purpose which might constitute this
         transaction a "purpose credit" within the meaning of said Regulation
         U.  Borrower is not engaged principally, or as one of its important
         activities, in the business of extending credit for the purpose of
         purchasing or carrying margin stock.

                 Neither Borrower nor any person or entity acting on behalf of
         Borrower has taken or will take any action which might cause the loans
         hereunder or any of the Security Instruments, including this
         Agreement, to violate Regulation U or any other regulation of the
         Board of Governors of the Federal Reserve System or to violate the
         Securities Exchange Act of 1934 or any rule or regulation thereunder,
         in each case as now in effect or as the same may hereafter be in
         effect.





                                       25
<PAGE>   31
                 (n)      Location of Business and Offices.  The principal
         place of business and chief executive offices of Borrower is located
         at the address stated in Section 16 hereof.

                 (o)      Compliance with the Law.  To the best of Borrower's
         and Guarantor's knowledge, they:

                          (i)     are not in violation of any law, judgment,
                 decree, order, ordinance, or governmental rule or regulation
                 to which Borrower or Guarantor, or any of their assets or
                 properties are subject; or

                          (ii)    have not failed to obtain any license,
                 permit, franchise or other governmental authorization
                 necessary to the ownership of any of its assets or properties
                 or the conduct of their business;

         which violation or failure is reasonably expected to have a Material
         Adverse Effect.

                 (p)      No Material Misstatements.  No information, exhibit
         or report furnished by Borrower or Guarantor to the Banks in
         connection with the negotiation of this Agreement contained any
         material misstatement of fact or omitted to state a material fact
         necessary to make the statement contained therein not misleading.

                 (q)      ERISA.  Borrower is in compliance in all material
         respects with the applicable provisions of ERISA, and no "reportable
         event", as such term is defined in Section 4043 of ERISA, has occurred
         with respect to any Plan of Borrower.

                 (r)      Public Utility Holding Company Act.  Borrower is not
         a "holding company", or "subsidiary company" of a "holding company",
         or an "affiliate" of a "holding company" or of a "subsidiary company"
         of a "holding company", or a "public utility" within the meaning of
         the Public Utility Holding Company Act of 1935, as amended.

                 (s)      Environmental Matters.  Except as disclosed on
         Exhibit "F", neither Borrower nor Guarantor (i) has received notice or
         otherwise learned of any Environmental Liability which would
         individually or in the aggregate have a Material Adverse Effect
         arising in connection with (A) any non-compliance with or violation of
         the requirements of any Environmental Law or (B) the release or
         threatened release of any toxic or hazardous waste into the
         environment, (ii) to the knowledge of Borrower and Guarantor, have
         threatened or actual liability in connection with the release or
         threatened release of any toxic or hazardous waste into the
         environment which would individually or in the aggregate have a
         Material Adverse Effect or (iii) have received notice or otherwise
         learned of any federal or state investigation evaluating whether any
         remedial action is needed to respond to





                                       26
<PAGE>   32
         a release or threatened release of any toxic or hazardous waste into
         the environment for which Borrower or Guarantor is or may be liable.

                 (t)      Guarantor.  CWE owns one hundred percent (100%) of
         the issued and outstanding equity securities of Guarantor.

         11.     CONDITIONS OF LENDING.

                 (a)      The effectiveness of this Agreement and the
         obligation of the Banks to make the initial Advance under the
         Revolving Commitment shall be subject to the following conditions
         precedent:

                          (i)     Execution and Delivery.  Borrower shall have
                 executed and delivered to the Agent this Agreement, the Notes,
                 the Security Instruments and other required documents, and
                 Guarantor shall have executed and delivered to the Agent its
                 guaranty agreement, all in form and substance satisfactory to
                 the Banks;

                          (ii)    Corporate Resolutions and Incumbency.  The
                 Agent shall have received appropriate (i) corporate
                 resolutions for each Borrower and Guarantor, and (ii)
                 incumbency certificates for each Borrower and Guarantor;

                          (iii)   SEC Filings.  The Banks shall have received
                 copies of all documents filed by Borrower with the Securities
                 and Exchange Commission prior to the Effective Date;

                          (iv)    No Event of Default.  No Event of Default
                 shall have occurred and be continuing;

                          (v)     No Material Adverse Change.  No material
                 adverse change in the financial condition of the Borrower
                 shall have occurred;

                          (vi)    Other Documents.  The Banks shall have
                 received such other instruments and documents incidental and
                 appropriate to the transaction provided for herein as the
                 Banks or its counsel may reasonably request, and all such
                 documents shall be in form and substance satisfactory to the
                 Banks; and

                          (vii)   Legal Matters Satisfactory.  All legal
                 matters incident to the consummation of the transactions
                 contemplated hereby shall be satisfactory to special counsel
                 for the Banks retained at the expense of Borrower.





                                       27
<PAGE>   33
                 (b)      The obligation of the Banks to make any Advance
         (including the initial Advance) or issue any Letter of Credit on the
         Revolving Commitment shall be subject to the following additional
         conditions precedent that, at the date of making each such Advance and
         after giving effect thereto:

                          (i)     Representation and Warranties.  With respect
                 to any Advance, the representations and warranties of Borrower
                 and Guarantor under this Agreement (excluding, however, the
                 representations and warranties set forth in Sections 10(h) and
                 10(s) as to any matter which has theretofore been disclosed in
                 writing by Borrower to the Banks, but as to which Borrower and
                 Guarantor represent and warrant as of the date of the
                 requested Advance or issuance of Letter of Credit that the
                 matters so disclosed are not reasonably expected to have a
                 Material Adverse Effect) are true and correct in all material
                 respects as of such date, as if then made (except to the
                 extent that such representations and warranties related solely
                 to an earlier date);

                          (ii)    No Event of Default.  No Event of Default
                 shall have occurred and be continuing nor shall any event have
                 occurred or failed to occur which, with the passage of time or
                 service of notice, or both, would constitute an Event of
                 Default;

                          (iii)   Other Documents.  The Banks shall have
                 received such other instruments and documents incidental and
                 appropriate to the transaction provided for herein as the
                 Banks or its counsel may reasonably request, and all such
                 documents shall be in form and substance satisfactory to the
                 Banks; and

                          (iv)    Legal Matters Satisfactory.  All legal
                 matters incident to the consummation of the transactions
                 contemplated hereby shall be satisfactory to special counsel
                 for the Banks retained at the expense of Borrower.

         12.     AFFIRMATIVE COVENANTS.  A deviation from the provisions of
this Section 12 shall not constitute an Event of Default under this Agreement
if such deviation is consented to in writing by the Banks.  Without the prior
written consent of the Banks, Borrower and Guarantor (to the extent applicable
thereto) will at all times comply with the covenants contained in this Section
12 from the date hereof and for so long as any indebtedness or obligation of
Borrower under the Loan Documents is outstanding or any part of the Revolving
Commitment is in existence.

                 (a)      Financial Statements and Reports.  Borrower shall
         promptly furnish to the Banks from time to time upon request such
         information regarding the





                                       28
<PAGE>   34
         business and affairs and financial condition of Borrower, as the Banks
         may reasonably request, and will furnish to the Banks:

                          (i)     Annual Financial Statements - as soon as
                 available, and in any event within one hundred and twenty
                 (120) days after the close of each fiscal year of the Williams
                 Consolidated Entities, the annual audited Financial Statements
                 of the Williams Consolidated Entities prepared Arthur Andersen
                 & Co. or by another independent accounting firm satisfactory
                 to Banks;

                          (ii)    Quarterly Financial Statements - as soon as
                 available, and in any event sixty (60) days after the end of
                 each calendar quarter (except the last calendar quarter) of
                 each year, the quarterly unaudited Financial Statements of the
                 Williams Consolidated Entities;

                          (iii)   Reserve Reports on Oil and Gas Properties -
                 no later than November 1 of each year beginning November 1,
                 1996 and at such other times as Banks shall request, an
                 internally generated engineering report covering reserve and
                 income projections for all Oil and Gas Properties (including
                 those owned by Guarantor), which reports shall have an
                 effective date of September 30 of each year.  Borrower shall
                 also furnish Banks on or before May 1 of each year beginning
                 May 1, 1997 reserve reports and income projections for all Oil
                 and Gas Properties, which reserve reports shall have an
                 effective date of January 1 of each year and shall be prepared
                 by Williamson Petroleum Consultants, Inc. (or other reservoir
                 engineering firm satisfactory to Banks), which January 1
                 effective date report shall be accompanied by internally
                 generated information sufficient to allow such January 1
                 report and the information contained therein to be rolled
                 forward to an effective date of March 31.  All such
                 engineering reports, shall be in a form acceptable to Banks
                 and shall utilize oil and gas prices, escalation factors and
                 discount rates currently then being used by Agent in its
                 general petroleum lending business and shall state the amount
                 of all outstanding sums due to operators of properties other
                 than the customary lease operating expenses.

                          (iv)    Monthly Operating and Production Reports.
                 Borrower shall furnish Banks, within forty-five (45) days
                 following the close of each month, oil and gas production
                 reports (inclusive of prices received thereon), drilling and
                 completion reports for the Williams Consolidated Entities, and
                 accounts receivable and accounts payable aging reports,
                 together with a certificate on behalf of Borrower, executed by
                 a person duly authorized to execute such a certificate, that
                 no Event of Default has occurred under the provisions of this





                                       29
<PAGE>   35
                 Agreement or any instrument pursuant hereto, or if an Event of
                 Default has occurred, specifying the nature and the status
                 thereof.

                          (v)     Budgets and Projections.  On each June 1 and
                 December 1 Borrower shall furnish to Banks a budget and Cash
                 Flow forecast for the Williams Consolidated Entities prepared
                 on a twelve (12) month rolling forward basis with respect to
                 their operations.

                          (vi)    Monthly Hedging Report.  Borrower shall
                 furnish Banks, within forty-five (45) days following the close
                 of each month, a report of Hedging Transactions, said
                 information to be provided for both the subject month and on
                 an aggregate basis for all such forward sales.

                          (vii)   SEC Reports.  As soon as available furnish
                 Banks with copies of all filings by the Williams Consolidated
                 Entities with the Securities and Exchange Commission.

                          (viii)  Additional Information.  Promptly upon
                 request of the Banks from time to time any additional
                 financial information or other information that the Banks may
                 reasonably request.

         All such reports referred to in Subsection 12(a) above shall be in
         such detail as the Banks may reasonably request.

                 (b)      Certificates of Compliance.  Concurrently with the
         furnishing of the annual Financial Statements pursuant to Subsection
         12(a)(i) hereof and each of the quarterly Financial Statements
         pursuant to Subsection 12(a)(ii) hereof, Borrower will furnish or
         cause to be furnished to the Banks a certificate signed by a person
         duly authorized to execute such a certificate on behalf of Borrower
         (i) to the extent requested from time to time by the Banks,
         specifically affirming compliance of Borrower in all material respects
         with any of its representations or obligations under the Security
         Instruments; (ii) setting forth the computation, in reasonable detail
         as of the end of each period covered by such certificate, of
         compliance with Section 13(c), 13(d) and 13(m) containing or
         accompanied by such financial or other details, information and
         material as the Banks may reasonably request to evidence such
         compliance; and (iii) certifying to the beneficial ownership of at
         least 20% of Borrower's stock by Clayton W. Williams Jr., and his
         affiliates (specifying such affiliates by name and providing the
         number of shares owned by each).

                 (c)      Taxes and Other Liens.  Borrower and Guarantor will
         pay and discharge promptly all taxes, assessments and governmental
         charges or levies imposed upon Borrower or Guarantor or upon the
         income or any assets or property of Borrower or Guarantor or any
         Subsidiary as well as all claims of any kind (including claims for
         labor, materials, supplies and rent) which, if unpaid, might





                                       30
<PAGE>   36
         become a lien or other encumbrance upon any or all of the assets or
         property of Borrower or Guarantor; provided, however, that neither
         Borrower nor Guarantor shall be required to pay any such tax,
         assessment, charge, levy or claim if the amount, applicability or
         validity thereof shall currently be contested in good faith by
         appropriate proceedings diligently conducted and if Borrower or
         Guarantor shall have set up adequate reserves therefor, if required,
         under GAAP.

                 (d)      Compliance with Laws.  Borrower and Guarantor will
         observe and comply with all applicable laws, statutes, codes, acts,
         ordinances, orders, judgments, decrees, injunctions, rules,
         regulations, orders and restrictions relating to environmental
         standards or controls or to energy regulations of all federal, state,
         county, municipal and other governments, departments, commissions,
         boards, agencies, courts, authorities, officials and officers,
         domestic or foreign, where the violation or failure to observe would
         be reasonably expected to have a Material Adverse Effect.

                 (e)      Further Assurances.  Borrower will cure promptly any
         defects in the creation and issuance of the Notes and the execution
         and delivery of the Notes and the Security Instruments, including this
         Agreement.  Borrower and Guarantor at their sole expense will promptly
         execute and deliver to Banks upon request all such other and further
         documents, agreements and instruments in compliance with or
         accomplishment of the covenants and agreements in this Agreement, or
         to correct any omissions in the Notes or more fully to state the
         obligations set out herein.

                 (f)      Performance of Obligations.  Borrower agrees to pay
         the Notes and other obligations incurred by it hereunder according to
         the reading, tenor and effect thereof and hereof; and Borrower and
         Guarantor will do and perform every act and discharge all of the
         obligations provided to be performed and discharged by Borrower or
         Guarantor under the Security Instruments, including this Agreement, at
         the time or times and in the manner specified.

                 (g)      Insurance.  Borrower and Guarantor now maintain and
         will continue to maintain insurance with financially sound and
         reputable insurers with respect to its assets against such
         liabilities, fires, casualties, risks and contingencies and in such
         types and amounts as is customary in the case of persons engaged in
         the same or similar businesses and similarly situated.  Upon request
         of the Agent, Borrower will furnish or cause to be furnished to the
         Agent from time to time a summary of the respective insurance coverage
         of Borrower and Guarantor in form and substance satisfactory to the
         Agent, and, if requested, will furnish the Agent copies of the
         applicable policies.  Upon demand by Agent any insurance policies
         covering any such property shall be endorsed (i) to provide that such
         policies may not be cancelled, reduced or affected in any manner for
         any reason without fifteen (15) days prior notice to Agent, (ii) to
         provide for insurance against fire, casualty and other hazards
         normally insured against, in amounts customary in the industry for





                                       31
<PAGE>   37
         similarly situated business and properties, and (iii) to provide for
         such other matters as the Banks may reasonably require.  Borrower and
         Guarantor shall at all times maintain insurance in amounts customary
         in the industry for similarly situated business and properties with
         respect to the Collateral against their liability for injury to
         persons or property, which insurance shall be by financially sound and
         reputable insurers and shall without limitation provide the following
         coverages:  comprehensive general liability (including coverage for
         damage to underground resources and equipment, damage caused by
         blowouts or cratering, damage caused by explosion, damage to
         underground minerals or resources caused by saline substances, broad
         form property damage coverage, broad form coverage for contractually
         assumed liabilities and broad form coverage for acts of independent
         contractors), worker's compensation and automobile liability.
         Borrower and Guarantor shall at all times maintain insurance with
         respect to the Collateral which shall insure Borrower and Guarantor
         against seepage and pollution expense if deemed economical in the
         reasonable discretion of Borrower and Guarantor.  Additionally,
         Borrower shall at all times maintain adequate insurance with respect
         to all of their other assets and wells in accordance with prudent
         business practices.

                 (h)      Accounts and Records.  Borrower and Guarantor will
         keep books, records and accounts in which full, true and correct
         entries will be made of all dealings or transactions in relation to
         their business and activities.

                 (i)      Right of Inspection.  Borrower and Guarantor will
         permit any officer, employee or agent of the Banks to examine
         Borrower's or Guarantor's books, records and accounts, and take copies
         and extracts therefrom, all at such reasonable times and as often as
         the Banks may reasonably request.  Banks will use their best efforts
         to keep all such information confidential and will not without prior
         written consent disclose or reveal the information or any part thereof
         to any person other than the Banks' officers, employees, legal
         counsel, regulatory authorities or advisors to whom it is necessary to
         reveal such information for the purpose of effectuating the agreements
         and undertakings specified herein.

                 (j)      Notice of Certain Events.  Borrower and Guarantor
         shall promptly notify the Banks if Borrower or Guarantor learns of the
         occurrence of (i) any event which constitutes, or with the passage of
         time would constitute, an Event of Default, together with a detailed
         statement by Borrower of the steps being taken to cure the Event of
         Default; or (ii) any legal, judicial or regulatory proceedings
         affecting Borrower, or any of the assets or properties of Borrower
         which, if adversely determined, could reasonably be expected to have a
         Material Adverse Effect; or (iii) any dispute between Borrower or
         Guarantor and any governmental or regulatory body or any other person
         or entity which, if adversely determined, might reasonably be expected
         to cause a Material Adverse Effect; or (iv) any other matter which in
         its reasonable opinion could be expected to have a Material Adverse
         Effect.





                                       32
<PAGE>   38
                 (k)      ERISA Information and Compliance.  Borrower will
         promptly furnish to the Banks immediately upon becoming aware of the
         occurrence of any "reportable event", as such term is defined in
         Section 4043 of ERISA, or of any "prohibited transaction", as such
         term is defined in Section 4975 of the Internal Revenue Code of 1954,
         as amended, in connection with any Plan or any trust created
         thereunder, a written notice specifying the nature thereof, what
         action Borrower is taking or proposes to take with respect thereto,
         and, when known, any action taken by the Internal Revenue Service with
         respect thereto.

                 (l)      Environmental Reports and Notices.  Borrower and
         Guarantor will deliver to the Banks (i) promptly upon its becoming
         available, one copy of each report sent by Borrower or Guarantor to
         any court, governmental agency or instrumentality pursuant to any
         Environmental Law (excluding, however, reports filed with the Texas
         Railroad Commission or any similar state or federal agency in the
         ordinary course of conducting Borrower's business where the report
         does not disclose, or is not in response to allegations of, violation
         by Borrower of an Environmental Law), (ii) notice, in writing,
         promptly upon Borrower's or Guarantor's learning that either of them
         have received notice or otherwise learned of any claim, demand,
         action, event, condition, report or investigation indicating any
         potential or actual liability arising in connection with (x) the non-
         compliance with or violation of the requirements of any Environmental
         Law which reasonably could be expected to have a Material Adverse
         Effect; (y) the release or threatened release of any toxic or
         hazardous waste into the environment which reasonably could be
         expected to have a Material Adverse Effect or which release Borrower
         or Guarantor would have a duty to report to any court or government
         agency or instrumentality, or (z) the existence of any Environmental
         Lien on any properties or assets of Borrower or Guarantor, and
         Borrower or Guarantor shall immediately deliver a copy of any such
         notice to Banks.

                 (m)      Maintenance.  Borrower and Guarantor will, to the
         best of their ability, act prudently and in accordance with customary
         applicable industry standards in managing and operating their assets,
         properties, businesses and investments, and Borrower will use their
         best efforts to keep in good working order and condition, ordinary
         wear and tear excepted, all of Borrower's and Guarantor's assets and
         properties, including, but not limited to, the Collateral, except
         where the failure to do so would not reasonably be expected to cause a
         Material Adverse Effect.

                 (n)      Title Matters.  Within one hundred twenty (120) days
         after the date of this Agreement, Borrower or Guarantor will provide
         such title opinions on the Oil and Gas Properties, if any, being
         pledged to Agent for the ratable benefit of the Banks pursuant to
         Security Instruments executed as of the date of this Agreement as are
         requested by Agent. As to any Oil and Gas Properties hereafter pledged
         to Agent for the ratable benefit of Banks, Borrower or Guarantor will
         promptly (but





                                       33
<PAGE>   39
         in no event more than one hundred twenty (120) days following such
         pledges), furnish Agent with title opinions reasonably satisfactory to
         Agent, showing Good and Defensible Title of Borrower or Guarantor to
         such Oil and Gas Properties subject only to Permitted Liens.

                 (o)      Curative Matters.  Within ninety (90) days after
         receipt by Borrower or Guarantor from Agent or its counsel of written
         notice of title defects the Agent reasonably requires to be cured,
         Borrower or Guarantor will either (i) provide such curative
         information, in form and substance satisfactory to Banks, or (ii)
         substitute oil and gas properties of value and quality satisfactory to
         the Banks for all Oil and Gas Properties for which such title curative
         was requested but upon which Borrower or Guarantor elected not to
         provide such title curative information, and, within sixty (60) days
         of such substitution, provide title opinions satisfactory to the Banks
         covering the Oil and Gas Properties so substituted.

                 (p)      Additional Collateral.  Borrower agrees to regularly
         monitor engineering data covering all producing oil and gas properties
         and interests acquired by Borrower or Guarantor on or after the date
         hereof and to pledge or cause to be pledged such of the same to Agent
         for the ratable benefit of the Banks in substantially the form of the
         Security Instruments, as applicable, to the extent that the Banks
         shall at all times during the existence of the Revolving Commitment be
         secured by perfected liens and security interests covering (i) not
         less than ninety percent (90%) of the engineered value of all
         producing oil and gas properties of Borrower and Guarantor in the
         aggregate; and (ii) each and all such properties which have an
         engineered value of $100,000 or more.  For the purposes of this
         Section 12(p), "Engineered Value" shall mean future net revenue
         discounted at ten percent (10%) per annum utilizing the set of pricing
         parameters used by the independent engineering firm in their then most
         current engineering report required pursuant to Section 12(a)(iii)
         hereof.

         13.     NEGATIVE COVENANTS.  A deviation from the provisions of this
Section 13 shall not constitute an Event of Default under this Agreement if
such deviation is consented to in writing by the Banks.  Without the prior
written consent of the Banks, Borrower and Guarantor (to the extent applicable
thereto) will at all times comply with the covenants contained in this Section
13 from the date hereof and for so long as any indebtedness or obligation of
Borrower under the Loan Documents is outstanding or any part of the Revolving
Commitment is in existence.

                 (a)      Liens.  Neither Borrower nor Guarantor will create,
         incur, assume or permit to exist any lien, security interest or other
         encumbrance on any of its assets or properties except Permitted Liens.

                 (b)      Debts, Guaranties and Other Obligations.  Neither
         Borrower nor any of its Subsidiaries (including Guarantor) will incur,
         create, assume or in any manner





                                       34
<PAGE>   40
         become or be liable in respect of any indebtedness, issue any
         preferred or other quasi-equity stock which requires the payment of a
         dividend thereon or the mandatory redemption thereof, or guarantee or
         otherwise in any manner become or be liable in respect of any
         indebtedness, liabilities or other obligations of any other person or
         entity, whether by agreement to purchase the indebtedness of any other
         person or entity or agreement for the furnishing of funds to any other
         person or entity through the purchase or lease of goods, supplies or
         services (or by way of stock purchase, capital contribution, advance
         or loan) for the purpose of paying or discharging the indebtedness of
         any other person or entity, or otherwise, except that the foregoing
         restrictions shall not apply to:

                          (i)     the Notes, or other indebtedness or
                 guarantees of Borrower disclosed in Exhibit "D" hereto;

                          (ii)    taxes, assessments or other government
                 charges which are not yet due or are being contested in good
                 faith by appropriate action promptly initiated and diligently
                 conducted, if such reserve as shall be required by GAAP shall
                 have been made therefor;

                          (iii)   indebtedness incurred in the ordinary course
                 of business, including, but not limited to, drilling,
                 completing, leasing and reworking oil and gas wells;

                          (iv)    Hedging Transactions;

                          (v)     indebtedness owed by Non-Borrower
                 Subsidiaries to Borrower which is permitted hereunder;

                          (vi)    Vendor Financing not to exceed $10,000,000 in
                 the aggregate at any one time outstanding;

                          (vii)   guarantees by CWE of Vendor Financings of its
                 Subsidiaries, which guarantees shall never exceed $10,000,000
                 in the aggregate at any one time outstanding;

                          (viii)  intercompany indebtedness among Borrower and
                 Guarantor; or

                          (ix)    the Subordinated Debt.

                 (c)      Current Ratio.  For each calendar quarter hereafter
         during the remaining term of the Revolving Commitment, the Williams
         Consolidated Entities' ratio of Current Assets to Current Liabilities
         shall never be less than 1.0 to 1.0.





                                       35
<PAGE>   41
                 (d)      Ratio of Cash Flow to Debt Service.  For each
         calendar quarter hereafter during the remaining term of the Revolving
         Commitment beginning with the calendar quarter ending September 30,
         1996, the Williams Consolidated Entities' ratio of Cash Flow to Debt
         Service shall never be less than 1.25 to 1.

                 (e)      Limitation on Sale of Collateral.  Neither Borrower
         nor Guarantor will sell, assign or discount any of the Collateral or
         Negative Pledge Property other than (i) sales of oil and gas
         production in the ordinary course of business, and (ii) sales or other
         disposition of obsolete equipment which are no longer needed for the
         ordinary business of Borrower or Guarantor or which are being replaced
         by equipment of at least comparable value and utility.  If and as any
         of such Collateral or Negative Pledge Properties and interests are
         sold, conveyed or assigned during the term of the Revolving
         Commitment, Borrower or Guarantor will, as to cash received, prepay
         against the Notes or Guarantor's obligation under its guaranty
         agreement, as the case may be, the net proceeds of such sale after
         payment of any superior lien indebtedness and taxes relating thereto;
         and, as to properties and interests received in trade, if any,
         collaterally pledge the same to Agent for the ratable benefit of the
         Banks; and, as to any notes or other evidence of indebtedness received
         by Borrower or Guarantor from third parties as consideration for any
         such sale, conveyance or assignment, collaterally pledge the same to
         Agent for the ratable benefit of the Banks in substantially the form
         of the Security Instruments.  Any such prepayment shall be applied pro
         rata to the principal due on the Revolving Notes until such Revolving
         Notes are paid in full, principal, interest and other amounts.
         Provided, however, that the Borrower and Guarantor may, without
         consent of Banks and Agent and without prepaying the Notes, sell
         Negative Pledge Properties where the sales proceeds from any such sale
         do not exceed $500,000 on an annual basis.

                 (f)      Mergers and Consolidations.  Neither Borrower nor
         Guarantor will merge or consolidate with any other entity or sell,
         assign, transfer or otherwise dispose of (whether in one transaction
         or in a series of transactions) all or substantially all of their
         assets or properties to any person or entity.

                 (g)      Use of Proceeds.  Borrower shall not use any of the
         proceeds of the loans to be made hereunder for the purpose of
         purchasing or carrying margin stock as defined in Regulation U of the
         Board of Governors of the Federal Reserve System.

                 (h)      Loans or Advances.  Neither Borrower nor any
         Subsidiary shall make or permit to remain outstanding any loans or
         advances other than (i) normal and customary advances to employees,
         which shall not exceed $250,000 in the aggregate at any point in time,
         (ii) intercompany loans and advances among Borrower and Guarantor, or
         (iii) loans and advances by CWE to Subsidiaries provided that such
         loans and advances shall be treated as investments for the purposes of
         Section 13(k)(iv) or (v) hereof.





                                       36
<PAGE>   42
                 (i)      Hedging Transactions.  The Williams Consolidated
         Entities shall not enter into any Hedging Transactions (i) in amounts
         which exceed, in the aggregate, 100% of the Williams Consolidated
         Entities' estimated production from proved producing reserves existing
         as of the date of the execution of such Hedging Transactions, or (ii)
         the terms and provisions of which could require margin calls; or (iii)
         which are secured by any of the Collateral or the Negative Pledge
         Property.

                 (j)      Dividends.  Borrower will not declare or pay any cash
         dividend, purchase, redeem or otherwise acquire for value any of its
         stock now or hereafter outstanding, return any capital to stock
         owners, or make any distribution of its assets to its stockholders as
         such, except (i) repurchase or redemption of its stock in an amount
         not to exceed $2,000,000 in the aggregate and (ii) cash dividends paid
         on the stock of Borrower which shall not exceed, in any fiscal year,
         an amount equal to 50% of Borrower's net income for such fiscal year
         determined in accordance with GAAP, provided that immediately before
         and after giving effect thereto no (x) default or Event of Default or
         (y) Borrowing Base Deficiency, shall exist.

                 (k)      Investments.  Neither Borrower nor Guarantor shall
         make any investments in any person or entity, except that the
         foregoing restriction shall not apply to:

                          (i)     investments and direct obligations of the
                 United States of America or any agency thereof;

                          (ii)    investments in certificates of deposit issued
                 by the Agent or certificates of deposit with maturities of
                 less than one year issued by other commercial banks in the
                 United States having capital and surplus in excess of
                 $500,000,000 and have a rating of (A) 50 or above by
                 Sheshunoff and (B) "B" or above by Keef-Bruett;

                          (iii)   investments such as insured money market
                 funds, Eurodollar investment accounts and other similar
                 accounts with the Agent or such investments with maturities of
                 less than ninety (90) days at other commercial banks in the
                 United States having capital and surplus in excess of
                 $500,000,000 and having a rating of (A) 50 or above by
                 Sheshunoff and (B) "B" or above by Keef-Bruett;

                          (iv)    investments in the Subsidiaries (other than
                 Guarantor) existing on the Effective Date; and

                          (v)     Borrower's investments in Guarantor.





                                       37
<PAGE>   43
                 (l)      Change of Control.  Borrower will not permit Clayton
         W. Williams, Jr. and his affiliates, in the aggregate, to ever own, of
         record or beneficially, less than 20% of the outstanding voting
         securities of CWE. Failure to comply with this covenant shall (i)
         immediately relieve the Banks of any further commitment to advance
         funds under the Revolving Commitment, and (ii) result in the entire
         amount of principal and interest due on the Notes to be accelerated so
         that the entire balance thereof shall be due and payable on or before
         one hundred twenty (120) days after the date the Agent first receives
         notice that such a change of control has occurred.

                 (m)      Minimum Tangible Net Worth.  For each calendar
         quarter hereafter during the remaining term of the Revolving
         Commitment, the Williams Consolidated Entities' Tangible Net Worth
         shall never be less than $30,000,000 plus an amount equal to 50% of
         the Williams Consolidated Entities' Net Income (without reduction for
         losses) for each calendar quarter after December 31, 1995 on a
         cumulative basis.

                 (n)      Subordinated Debt.  Borrower will not (i) amend or
         enter into any agreement to amend or otherwise change the Subordinated
         Loan Agreement, Subordination Agreement or any agreement executed in
         connection therewith or (ii) fail to comply in any respect with the
         provisions of the Subordination Agreement.

         14.     EVENTS OF DEFAULT.  Any one or more of the following events
shall be considered an "Event of Default" as that term is used herein:

                 (a)      Borrower shall fail to pay when due or declared due
         the principal of or interest on the Notes or any fee or any other
         indebtedness of Borrower incurred pursuant to this Agreement or any
         other Security Instrument (but Borrower shall have a grace period of
         three (3) days following an applicable due date during which to
         correct a delinquency in payment); or

                 (b)      Any representation or warranty made by Borrower or
         Guarantor under this Agreement, or in any certificate or statement
         furnished or made to any Bank pursuant hereto, or in connection
         herewith, or in connection with any document furnished hereunder,
         shall prove to be untrue in any material respect as of the date on
         which such representation or warranty is made (or deemed made), or any
         representation, statement (including financial statements),
         certificate, report or other data furnished or to be furnished or made
         by Borrower or Guarantor under any Security Instrument, including this
         Agreement, proves to have been untrue in any material respect, as of
         the date as of which the facts therein set forth were stated or
         certified, and such default shall continue for more than ten (10) days
         after notice from Agent;

                 (c)      Default shall be made in the due observance or
         performance of any of the covenants or agreements of Borrower or
         Guarantor contained in the Security





                                       38
<PAGE>   44
         Instruments, including this Agreement, and such default shall continue
         for more than ten (10) days after notice from Agent; provided,
         however, that a default under Section 13(l) of this Agreement shall
         not become an Event of Default under this Section 14 unless Borrower
         fails to pay the outstanding balance on the Notes within the 120 day
         period specified therein; or

                 (d)      Default shall be made in respect of any obligation
         for borrowed money owed by Borrower or Guarantor in excess of
         $1,000,000, other than the Notes, (directly, by assumption, as
         guarantor or otherwise), including without limitation, the
         Subordinated Debt, or any obligations in excess of $1,000,000 secured
         by any mortgage, pledge or other security interest, lien, charge or
         encumbrance with respect thereto, on any asset or property of Borrower
         or Guarantor or in respect of any agreement relating to any such
         obligations, and such default shall continue beyond the applicable
         grace period, if any; or

                 (e)      Borrower or Guarantor shall commence a voluntary case
         or other proceedings seeking liquidation, reorganization or other
         relief with respect to either of them or their debts under any
         bankruptcy, insolvency or other similar law now or hereafter in effect
         or seeking an appointment of a trustee, receiver, liquidator,
         custodian or other similar official of it or any substantial part of
         their property, or shall consent to any such relief or to the
         appointment of or taking possession by any such official in an
         involuntary case or other proceeding commenced against either of them,
         or shall make a general assignment for the benefit of creditors, or
         shall fail generally to pay their debts as they become due, or shall
         take any corporate action authorizing the foregoing; or

                 (f)      An involuntary case or other proceeding, shall be
         commenced against Borrower or Guarantor seeking liquidation,
         reorganization or other relief with respect to either of them or their
         debts under any bankruptcy, insolvency or similar law now or hereafter
         in effect or seeking the appointment of a trustee, receiver,
         liquidator, custodian or other similar official of either of them or
         any substantial part of their property, and such involuntary case or
         other proceeding shall remain undismissed and unstayed for a period of
         thirty (30) days; or an order for relief shall be entered against
         Borrower or Guarantor under the federal bankruptcy laws as now or
         hereinafter in effect; or

                 (g)      A final judgment or order for the payment of money in
         excess of $1,000,000.00 (or judgments or orders aggregating in excess
         of $1,000,000.00) shall be rendered against Borrower or Guarantor and
         such judgments or orders shall continue unsatisfied and unstayed for a
         period of thirty (30) days; or

                 (h)      In the event the aggregate principal amount
         outstanding under the Notes shall at any time exceed the Borrowing
         Base established for the Notes,





                                       39
<PAGE>   45
         Borrower shall fail to provide such additional Collateral or prepay
         the principal of such Notes in compliance with the provisions of
         Section 9(b) hereof.

         Upon occurrence of any Event of Default specified in Subsections 14(e)
and (f) hereof, the Revolving Commitment shall terminate and the entire
principal amount due under the Notes and all interest then accrued thereon, and
any other liabilities of Borrower hereunder, shall become immediately due and
payable all without notice and without presentment, demand, protest, notice of
protest or dishonor or any other notice of default of any kind, all of which
are hereby expressly waived by Borrower.  In any other Event of Default, the
Majority Banks may by notice from Agent to Borrower, terminate the Revolving
Commitment and declare the principal of, and all interest then accrued on, the
Notes and any other liabilities hereunder to be forthwith due and payable,
whereupon the same shall forthwith become due and payable without presentment,
demand, protest or other notice of any kind, all of which Borrower hereby
expressly waives, anything contained herein or in the Notes to the contrary
notwithstanding.  Nothing contained in this Section 14 shall be construed to
limit or amend in any way the Events of Default enumerated in the Notes, or any
other document executed in connection with the transaction contemplated herein.

         Upon the occurrence and during the continuance of any Event of
Default, the Banks are hereby authorized at any time and from time to time,
without notice to Borrower (any such notice being expressly waived by
Borrower), to set-off and apply any and all deposits (general or special, time
or demand, provisional or final) at any time held and other indebtedness at any
time owing by the Banks to or for the credit or the account of Borrower against
any and all of the indebtedness of Borrower under the Notes and the Security
Instrument, including this Agreement, irrespective of whether or not the Banks
shall have made any demand under the Security Instrument, including this
Agreement or the Notes.  Any amount set-off by either of the Banks shall be
applied against the indebtedness owed the Banks by Borrower pursuant to the
provisions of Section 16 of this Agreement.  The Banks agree promptly to notify
Borrower after any such set-off and application, provided that the failure to
give such notice shall not affect the validity of such set-off and application.
The rights of the Banks under this Section 14 are in addition to other rights
and remedies (including, without limitation, other rights of set-off) which the
Banks may have.

         15.     EXERCISE OF RIGHTS.  No failure to exercise, and no delay in
exercising, on the part of the Banks, any right hereunder shall operate as a
waiver thereof, nor shall any single or partial exercise thereof preclude any
other or further exercise thereof or the exercise of any other right.  The
rights of the Banks hereunder shall be in addition to all other rights provided
by law.  No modification or waiver of any provision of the Security
Instruments, including this Agreement, or the Notes nor consent to departure
therefrom, shall be effective unless in writing, and no such consent or waiver
shall extend beyond the particular case and purpose involved.  No notice or
demand given in any case shall





                                       40
<PAGE>   46
constitute a waiver of the right to take other action in the same, similar or
other circumstances without such notice or demand.

         16.     NOTICES.  Any notices or other communications required or
permitted to be given by this Agreement or any of the other Loan Documents and
instruments referred to herein must be given in writing and must be personally
delivered or mailed by prepaid certified or registered mail to the party to
whom such notice or communication is directed at the address of such party as
follows:  (a) BORROWER AND GUARANTOR:  c/o Clayton Williams Energy, Inc., Six
Desta Drive, Suite 6500, Midland, Texas 79705, Attention:  Paul Latham,
Executive Vice President; (b) AGENT:  BANK ONE, TEXAS, N.A., 1717 Main Street,
Dallas, Texas 75201, Attention:  Reed V. Thompson, Vice President; (c) PARIBAS:
Banque Paribas, 1200 Smith Street, Suite 3100, Houston, Texas 77002, Attention:
Brian Malone, Vice President; (d) FNB: First National Bank of Chicago, One
First National Plaza, Suite 0634, Chicago, Illinois 60670, Attention:  John
Bierne.  Any such notice or other communication shall be deemed to have been
given (whether actually received or not) on the day it is personally delivered
as aforesaid or, if mailed, on the fifth day after it is mailed as aforesaid.
Any party may change its address for purposes of this Agreement by giving
notice of such change to the other parties pursuant to this Section 16.  Upon
receipt by Agent of any such notice, Agent shall promptly provide copies of
such notice or notices to the Banks.

         17.     THE AGENT AND THE BANKS.

                 (a)      Appointment and Authorization.  Each Bank hereby
         irrevocably appoints and authorizes Agent to take such action on its
         behalf and to exercise such powers under the Loan Documents as are
         delegated to Agent by the terms thereof, together with such powers as
         are reasonably incidental thereto.  With respect to its commitments
         hereunder and the Notes issued to it, Bank One and any successor Agent
         shall have the same rights under the Loan Documents as any other Bank
         and may exercise the same as though it were not the Agent; and the
         term "Bank" or "Banks" shall, unless otherwise expressly indicated,
         include Bank One and any successor Agent in its capacity as a Bank.
         Bank One and any successor Agent and its affiliates may accept
         deposits from, lend money to, act as trustee under indentures of and
         generally engage in any kind of business with Borrower, and any person
         which may do business with Borrower, all as if Bank One and any
         successor Agent were not Agent hereunder and without any duty to
         account therefor to the Banks.  Each Bank shall disclose to all other
         Banks all indebtedness and liabilities, direct and contingent, of
         Borrower to Banks from time to time.

                 (b)      Note Holders.  Agent may treat the payee of any Note
         as the holder thereof until written notice of transfer has been filed
         with it, signed by such payee and in form satisfactory to Agent.





                                       41
<PAGE>   47
                 (c)      Consultation with Counsel.  Banks agree that Agent
         may consult with legal counsel selected by it and shall not be liable
         for any action taken or suffered in good faith by it in accordance
         with the advice of such counsel.

                 (d)      Documents.  Agent shall not be under a duty to
         examine or pass upon the validity, effectiveness, enforceability,
         genuineness or value of any of the Collateral or any of the Loan
         Documents or any other instrument or document furnished pursuant
         thereto or in connection therewith, and Agent shall be entitled to
         assume that the same are valid, effective, enforceable and genuine and
         what they purport to be.

                 (e)      Resignation or Removal of Agent.  Subject to the
         appointment and acceptance of a successor Agent as provided below,
         Agent may resign at any time by giving written notice thereof to Banks
         and Borrower, and Agent may be removed at any time with or without
         cause by Majority Banks.  If no successor Agent has been so appointed
         by all Banks (and approved by Borrower) and has accepted such
         appointment within 30 days after the retiring Agent's giving of notice
         of resignation or removal of the retiring Agent, then the retiring
         Agent may, on behalf of Banks, appoint a successor Agent, which
         appointment shall require the approval of Borrower only if a party
         other than one of the other Banks is so appointed.  Upon the
         acceptance of any appointment as Agent hereunder by a successor Agent,
         such successor Agent shall thereupon succeed to and become vested with
         all the rights and duties of the retiring Agent, and the retiring
         Agent shall be discharged from its duties and obligations hereunder.
         After any retiring Agent's resignation or removal hereunder as Agent,
         (i) the provisions of this Section 17 shall continue in effect for its
         benefit in respect to any actions take or omitted to be taken by it
         while it was acting as Agent, and (ii) any Collateral held in
         possession of the retiring Agent shall be delivered to the successor
         Agent.

                 (f)      Responsibility of Agent.  It is expressly understood
         and agreed that the obligations of Agent under the Loan Documents are
         only those expressly set forth in the Loan Documents and that Agent
         shall be entitled to assume that no default or Event of Default has
         occurred and is continuing, unless Agent has actual knowledge of such
         fact or has received notice from a Bank that such Bank considers that
         a default or an Event of Default has occurred and is continuing and
         specifying the nature thereof.  Neither Agent nor any of its
         directors, officers or employees shall be liable for any action taken
         or omitted to be taken by it under or in connection with the Loan
         Documents, except for its or their own gross negligence or willful
         misconduct.  Agent shall incur no liability under or in respect of any
         of the Loan Documents by acting upon any notice, consent, certificate,
         warranty or other paper or instrument believed by it to be genuine or
         authentic or to be signed by the proper party or parties, or with
         respect to anything which it may do or refrain from doing in the
         reasonable exercise of its judgment, or which may seem to it to be
         necessary or desirable.





                                       42
<PAGE>   48
                 Agent shall not be responsible to Banks for any recitals,
         statements, representations or warranties contained in any of the Loan
         Documents, or in any certificate or other document referred to or
         provided for in, or received by any Bank under, the Loan Documents, or
         for the value, validity, effectiveness, genuineness, enforceability or
         sufficiency of any of the Collateral or any of the Loan Documents or
         for any failure by Borrower to perform any of their obligations
         hereunder or thereunder.  Agent may employ agents and attorneys-
         in-fact and shall not be answerable, except as to money or securities
         received by it or its authorized agents, for the negligence or
         misconduct of any such agents or attorneys-in-fact selected by it with
         reasonable care.

                 The relationship between Agent and each Bank is only that of
         agent and principal and has no fiduciary aspects.  Nothing in the Loan
         Documents or elsewhere shall be construed to impose on Agent any
         duties or responsibilities other than those for which express
         provision is therein made.  In performing its duties and functions
         hereunder, Agent does not assume and shall not be deemed to have
         assumed, and hereby expressly disclaims, any obligation or
         responsibility toward or any relationship of agency or trust with or
         for Borrower or any of their shareholders or other creditors.  As to
         any matters not expressly provided for by the Loan Documents
         (including, without limitation, enforcement or collection of the
         Notes), Agent shall not be required to exercise any discretion or take
         any action, but shall be required to act or to refrain from acting
         (and shall be fully protected in so acting or refraining from acting)
         upon the instructions of all Banks and such instructions shall be
         binding upon all Banks and all holders of Notes; provided, however,
         that Agent shall not be required to take any action which is contrary
         to the Loan Documents or applicable law.

                 Agent shall have the right to exercise or refrain from
         exercising, without notice or liability to the Banks, any and all
         rights afforded to Agent by the Loan Documents or which Agent may have
         as a matter of law; provided, however, that Agent shall not (A)
         without the consent of all Banks (i) amend the Loan Documents to (x)
         change the method of computing interest so as to decrease the interest
         payable on the Notes, (y) increase or decrease the principal amount of
         the Notes, (z) extend the Maturity Date; or (ii) waive any default
         under the Loan Documents; or (iii) make a redetermination of the
         Borrowing Base; or (iv) defer the date for payment of principal
         interest or any fee; or (v) make any changes in the fees payable
         hereunder (except the Agency fee which does not require the consent of
         the Banks other than the Agent); or (vi) release any guaranty; or
         (vii) make any change in the definition of Majority Banks; or (viii)
         make any change in the number of Banks required to take any action
         under this Agreement; or (ix) make any change in Sections 7(b) or
         13(n) of this Agreement; or (x) make any change in the Subordination
         Agreement; and (B) without the consent of Majority Banks (i) make any
         other amendment to the Loan Documents; or (ii) accelerate the
         outstanding balance due on the Notes.  Agent shall have the right and
         authority without





                                       43
<PAGE>   49
         necessity of notice or liability to the Banks to release Collateral,
         if 100% of the net proceeds from the sale of such Collateral, after
         payment of superior lien indebtedness and taxes relating thereto, is
         paid to Agent for the ratable benefit of the Banks as a prepayment of
         the Notes; provided, however, that Agent's right to release Collateral
         hereunder shall be limited to releases of Collateral the net sale
         proceeds of which shall not exceed, in the aggregate, on an annual
         basis, $5,000,000.00.  For purposes of this paragraph, a Bank shall be
         deemed to have consented to any such action by the Agent upon the
         passage of ten (10) Business Days after written notice thereof is
         given to such Bank in accordance with Section 16 hereof, unless such
         Bank shall have previously given Agent notice, complying with the
         provision of Section 16 hereof, to the contrary.  Agent shall have no
         liability to Banks for failure or delay in exercising any right or
         power possessed by Agent pursuant to the Loan Documents or otherwise
         unless such failure or delay is caused by the gross negligence of the
         Agent.

                 (g)      Independent Investigation.  Each Bank severally
         represents and warrants to Agent that it has made its own independent
         investigation and assessment of the financial condition and affairs of
         Borrower in connection with the making and continuation of its
         participation hereunder and has not relied exclusively on any
         information provided to such Bank by Agent in connection herewith, and
         each Bank represents, warrants and undertakes to Agent that it shall
         continue to make its own independent appraisal of the credit
         worthiness of Borrower while the Notes is outstanding or its
         commitments hereunder are in force.  Agent shall not be required to
         keep itself informed as to the performance or observance by Borrower
         of this Agreement or any other document referred to or provided for
         herein or to inspect the properties or books of Borrower.  Other than
         as provided in this Agreement, Agent shall have no duty,
         responsibility or liability to provide any Bank with any credit or
         other information concerning the affairs, financial condition or
         business of Borrower which may come into the possession of Agent.

                 (h)      Indemnification.  Banks agree to indemnify Agent (to
         the extent not reimbursed by Borrower), ratably according to their
         Commitment Percentage, from and against any and all liabilities,
         obligations, losses, damages, penalties, actions, judgments, suits,
         costs, expenses or disbursements of any kind or nature whatsoever
         which may be imposed on, incurred by or asserted against Agent in any
         way relating to or arising out of the Loan Documents or any action
         taken or omitted by Agent under the Loan Documents, provided that no
         Bank shall be liable for any portion of such liabilities, obligations,
         losses, damages, penalties, actions, judgments, suits, costs, expenses
         or disbursements resulting from Agent's gross negligence or willful
         misconduct.  THE PARTIES INTEND THE PROVISIONS OF THIS PARAGRAPH TO
         APPLY TO AND PROTECT THE BANK FROM THE CONSEQUENCES OF ITS OWN
         NEGLIGENCE, WHETHER OR NOT SUCH NEGLIGENCE IS THE SOLE, CONTRIBUTING
         OR CONCURRING CAUSE OF ANY SUCH LOSS, COST, LIABILITY, DAMAGE OR
         EXPENSE INDEMNIFIED AGAINST IN THIS PARAGRAPH.





                                       44
<PAGE>   50
                 (i)      Benefit of Section 17.  The agreements contained in
         this Section 17 are solely for the benefit of Agent and the Banks and
         are not for the benefit of, or to be relied upon by, Borrower, any
         affiliate of Borrower or any other person.

                 (j)      Pro Rata Treatment.  Subject to the provisions of
         this Agreement, each payment (including each prepayment) by Borrower
         and collections by Banks (including offsets) on account of the
         principal of and interest on the Notes and fees payable by Borrower
         shall be made pro rata to Banks according to the then ownership
         interest of each Bank in loans to Borrower under this Agreement.  Upon
         receipt of a request for disbursement by Borrower under the Revolving
         Commitment, Agent shall notify Banks of such request or draft and the
         requested disbursement date or payment date, whereupon each Bank shall
         fund to Agent its pro rata share of the loan requested by Borrower at
         such time and in such manner as to reasonably permit the disbursement
         by Agent to Borrower on the disbursement date requested.

                 (k)      Interests of Banks.  Nothing in this Agreement shall
         be construed to create a partnership or joint venture between Banks
         for any purpose.  Agent, Banks and Borrower each recognize that the
         respective obligations of Banks under the Revolving Commitment shall
         be several and not joint and that neither Agent nor any of Banks shall
         be responsible or liable to perform any of the obligations of the
         other under this Agreement.  Each Bank is deemed to be the owner of an
         undivided interest in and to all rights, titles, benefits and
         interests belonging and accruing to Agent under this Agreement,
         including, without limitation, the Notes, liens and security interests
         in the Collateral, fees and payments of principal and interest by
         Borrower under the Revolving Commitment in the proportion that each
         Banks' Commitment Percentage bears to the total of all of such loan
         commitments of all Banks taken in the aggregate.  Each Bank shall
         perform all duties and obligations of Banks under this Agreement in
         the same proportion as its ownership interest.

                 (l)      Failure By Any Bank to Provide Funds to Agent.

                          (i)     Unless a Bank has determined that in
                 accordance with the provisions of this Agreement it is not
                 obligated to fund its share of a borrowing hereunder prior to
                 1:00 p.m., Dallas, Texas time, on the requested date of
                 disbursement, Agent may assume that each Bank has made its pro
                 rata share of the Borrowing available to Agent on such date
                 and Agent may, in reliance upon such assumption (but shall not
                 be required to) make available to Borrower a corresponding
                 amount.  If Agent has made such amount available to Borrower
                 and if such corresponding amount is not in fact made available
                 to Agent by any such Bank, Agent shall be entitled on demand
                 to receive such amount from such Bank (or if such Bank fails
                 to pay such amount forthwith upon demand, to recover such
                 amount from Borrower) together with interest thereon in
                 respect of each day during the period





                                       45
<PAGE>   51
                 commencing on the date such amount was made available to
                 Borrower and ending on (but excluding) the date Agent recovers
                 such amount at the Base Rate.

                          (ii)    If any Bank shall fail or refuse to fund its
                 pro rata share of a requested disbursement for any reason
                 (hereinafter called the "Under-Funded Bank(s)") and other Bank
                 or Banks fund their own pro rata shares of such requested
                 disbursement (hereinafter called the "Fully-Funded Bank(s)")
                 so that Banks are out-of-balance to the extent of the unfunded
                 share of a requested advance (hereinafter called the
                 "Out-of-Balance"), if the refusal to fund by Under Funded
                 Banks was:

                                  (1)      in accordance with the provisions of
                          this Agreement, then in lieu of the pro rata
                          distribution of payments thereafter received and
                          collections thereafter made as specified in Section
                          17(j) hereof, Agent is authorized and directed by
                          Banks to thereafter make distributions of such
                          payments and collections on account of the principal
                          of and interest on the Notes and fees paid by
                          Borrower to Banks pro rata on the basis of principal
                          sums funded by each Bank under the Revolving
                          Commitment.

                                  (2)      not in accordance with the
                          provisions of this Agreement, then notwithstanding
                          the provisions of Section 17(j) hereof and in
                          addition to any other rights and remedies which the
                          Fully-Funded Bank(s) may have as against the
                          Under-Funded Bank(s), Agent shall as to subsequent
                          payments or recoveries (whether voluntary,
                          involuntary, by application of offset or otherwise)
                          on account of principal of or interest on the Notes,
                          distribute first to the Fully-Funded Bank(s) (pro
                          rata if more than one Fully-Funded Bank) until any
                          such Out-of-Balance is discharged, then pro rata
                          among all Banks in accordance with Section 17(j).

         18.     EXPENSES.  Borrower shall pay (i) all reasonable and necessary
out-of-pocket expenses of the Agent, including fees and disbursements of
special counsel for the Agent, in connection with the preparation of this
Agreement, any waiver or consent hereunder or any amendment hereof or any
default or Event of Default or alleged default or Event of Default hereunder,
and (ii) if a default or an Event of Default occurs, all reasonable and
necessary out-of-pocket expenses incurred by the Banks, including fees and
disbursements of counsel, in connection with such default and Event of Default
and collection and other enforcement proceedings resulting therefrom.  Borrower
shall indemnify the Banks against





                                       46
<PAGE>   52
any transfer taxes, document taxes, assessments or charges made by any
governmental authority by reason of the execution and delivery of this
Agreement or the Notes.

         19.     INDEMNITY.  The Borrowers agree to indemnify and hold harmless
the Banks and their respective officers, employees, agents, attorneys and
representatives (singularly, an "Indemnified Party", and collectively, the
"Indemnified Parties") from and against any loss, cost, liability, damage or
expense (including the reasonable fees and out-of-pocket expenses of counsel to
the Banks, including all local counsel hired by such counsel) ("Claim")
incurred by the Banks in investigating or preparing for, defending against, or
providing evidence, producing documents or taking any other action in respect
of any commenced or threatened litigation, administrative proceeding or
investigation under any federal securities law, federal or state environmental
law, or any other statute of any jurisdiction, or any regulation, or at common
law or otherwise, which is alleged to arise out of or is based upon any acts,
practices or omissions or alleged acts, practices or omissions of the Borrower
or their agents or arises in connection with the duties, obligations or
performance of the Indemnified Parties in negotiating, preparing, executing,
accepting, keeping, completing, countersigning, issuing, selling, delivering,
releasing, assigning, handling, certifying, processing or receiving or taking
any other action with respect to the Loan Documents and all documents, items
and materials contemplated thereby even if any of the foregoing arises out of
an Indemnified Party's ordinary negligence.  The indemnity set forth herein
shall be in addition to any other obligations or liabilities of the Borrowers
to the Banks hereunder or at common law or otherwise, and shall survive any
termination of this Agreement, the expiration of the Loan and the payment of
all indebtedness of the Borrowers to the Banks hereunder and under the Notes,
provided that the Borrowers shall have no obligation under this Section 19 to
the Bank with respect to any of the foregoing arising out of the gross
negligence or willful misconduct of the Banks.  If any Claim is asserted
against any Indemnified Party, the Indemnified Party shall endeavor to notify
the Borrowers of such Claim (but failure to do so shall not affect the
indemnification herein made except to the extent of the actual harm caused by
such failure).  The Indemnified Party shall have the right to employ, at the
Borrowers' expense, counsel of the Indemnified Parties' choosing and to control
the defense of the Claim.  The Borrowers may at their own expense also
participate in the defense of any Claim.  Each Indemnified Party may employ
separate counsel in connection with any Claim to the extent such Indemnified
Party believes it reasonably prudent to protect such Indemnified Party.

         THE PARTIES INTEND FOR THE PROVISIONS OF THIS SECTION 19 TO APPLY TO
AND PROTECT EACH INDEMNIFIED PARTY FROM THE CONSEQUENCES OF ITS OWN NEGLIGENCE,
WHETHER OR NOT THAT NEGLIGENCE IS THE SOLE, CONTRIBUTING, OR CONCURRING CAUSE
OF ANY CLAIM.

         20.     GOVERNING LAW.  THIS AGREEMENT IS BEING EXECUTED AND
DELIVERED, AND IS INTENDED TO BE PERFORMED, IN DALLAS, TEXAS, AND THE
SUBSTANTIVE LAWS OF TEXAS SHALL GOVERN THE VALIDITY, CONSTRUCTION, ENFORCEMENT
AND





                                       47
<PAGE>   53
INTERPRETATION OF THIS AGREEMENT AND ALL OTHER DOCUMENTS AND INSTRUMENTS
REFERRED TO HEREIN, UNLESS OTHERWISE SPECIFIED THEREIN OR UNLESS THE LAWS OF
ANOTHER STATE REQUIRE THE APPLICATION OF THE LAWS OF SUCH STATE.

         21.     INVALID PROVISIONS.  If any provision of this Agreement is
held to be illegal, invalid, or unenforceable under present or future laws
effective during the term of this Agreement, such provisions shall be fully
severable and this Agreement shall be construed and enforced as if such
illegal, invalid or unenforceable provision had never comprised a part of this
Agreement, and the remaining provisions of the Agreement shall remain in full
force and effect and shall not be affected by the illegal, invalid or
unenforceable provision or by its severance from this Agreement.

         22.     MAXIMUM INTEREST RATE.  Regardless of any provisions contained
in this Agreement or in any other documents and instruments referred to herein,
the Banks shall never be deemed to have contracted for or be entitled to
receive, collect or apply as interest on the Notes any amount in excess of the
Maximum Rate and in the event the Banks ever receive, collect or apply as
interest any such excess, or if an acceleration of the maturity of the Notes or
if any prepayment by Borrower results in Borrower having paid any interest in
excess of the Maximum Rate, such amount which would be excessive interest shall
be applied to the reduction of the unpaid principal balance of the Notes for
which such excess was received, collected or applied, and, if the principal
balance of such Notes is paid in full, any remaining excess shall forthwith be
paid to Borrower.  All sums paid or agreed to be paid to the Banks for the use,
forbearance or detention of the indebtedness evidenced by the Notes and/or this
Agreement shall, to the extent permitted by applicable law, be amortized,
prorated, allocated and spread throughout the full term of such indebtedness
until payment in full so that the rate or amount of interest on account of such
indebtedness does not exceed the Maximum Rate.  In determining whether or not
the interest paid or payable under any specific contingency exceeds the Maximum
Rate, Borrower and the Banks shall, to the maximum extent permitted under
applicable law, (i) characterize any non-principal payment as an expense, fee
or premium, rather than as interest; and (ii) exclude voluntary prepayments and
the effect thereof; and (iii) compare the total amount of interest contracted
for, charged or received with the total amount of interest which could be
contracted for, charged or received throughout the entire contemplated term of
the Notes at the Maximum Rate.

         23.     AMENDMENTS.  This Agreement may be amended only by an
instrument in writing executed by an authorized officer of the party against
whom such amendment is sought to be enforced.

         24.     MULTIPLE COUNTERPARTS.  This Agreement may be executed in a
number of identical separate counterparts, each of which for all purposes is to
be deemed an original, but all of which shall constitute, collectively, one
agreement.  No party to this Agreement





                                       48
<PAGE>   54
shall be bound hereby until a counterpart of this Agreement has been executed
by all parties hereto.

         25.     CONFLICT.  In the event any term or provision hereof is
inconsistent with or conflicts with any provision of the Security Instruments,
the terms or provisions contained in this Agreement shall be controlling.

         26.     SURVIVAL.  All covenants, agreements, undertakings,
representations and warranties made in the Security Instrument, including this
Agreement, the Notes or other documents and instruments referred to herein
shall survive all closings hereunder and shall not be affected by any
investigation made by any party.

         27.     PARTIES BOUND.  This Agreement shall be binding upon and inure
to the benefit of the parties hereto and their respective successors, assigns,
heirs, legal representatives and estates, provided, however, that Borrower may
not, without the prior written consent of the Banks, assign any rights, powers,
duties or obligations hereunder.

         28.     ASSIGNMENT BY BANKS.  Subject to the provisions of this
Section 28, no assignment or participation of all or any part of the Revolving
Commitment shall be made by Banks, or any of them, without the prior consent of
Banks and Borrower, unless such assignment or participation is made to a bank
or other entity wholly or substantially owned by the parent company of the
assignor.  Under no circumstances shall Banks or Borrower unreasonably withhold
or unreasonably delay their consent to any proposed assignment or
participation.  The restrictions of this Section 28 as to assignments or
participations shall not be applicable if:  (i) the proposed assignment or
participation is required by law, or is necessary to prevent or to cure a
violation of law, or is required by law, or is necessary to prevent or to cure
a violation of law, or is required by any regulatory agency; (ii) the Revolving
Commitment is in default; (iii) the Revolving Commitment (or the assignor's
portion thereof) is transferred or assigned as part of a transaction in which
all or substantially all of the assets of the stock of the assignor are
transferred; or, (iv) any such assignment or participation is in conformance
with the assignor's internal policies and practices, consistently applied with
respect to loan limits to borrowers.  In addition, Borrower and Agent, jointly,
may require any Bank to assign all or may request any Bank to assign any part
of its interest provided that all Banks other than the Bank being required to
assign must first approve of the assignee bank and further approve of any
proposed increase in any Bank's percentage ownership herein as a result of any
such proposed assignment; provided, however, that the Bank that is required to
assign all of its interest in accordance with this Section 28 shall be paid in
full all of the obligations ratably owed it under the Notes and this Agreement.
A permitted assignment hereunder shall become effective upon the assignor Bank
and the assignee Bank furnishing to Agent a supplemental signature page, duly
executed in a form satisfactory to Agent.  From and after the effective date of
an assignment hereunder, the assignor Bank shall have no further right, title,
benefit and interest and shall have no duties and responsibilities hereunder to
the extent of the interest thus assigned; and, the assignee Bank shall have all
right, title, benefit and





                                       49
<PAGE>   55
interest and shall assume all duties and responsibilities hereunder to the
extent of the interest acquired hereunder.

         29.     OTHER AGREEMENTS.  THIS WRITTEN LOAN AGREEMENT REPRESENTS THE
FINAL AGREEMENT BETWEEN THE PARTIES AND MAY NOT BE CONTRADICTED BY EVIDENCE OF
PRIOR, CONTEMPORANEOUS, OR SUBSEQUENT ORAL AGREEMENTS OF THE PARTIES.  THERE
ARE NO UNWRITTEN ORAL AGREEMENTS BETWEEN THE PARTIES.

         30.     WRITTEN CONSENT.   The Guarantor is executing this Fifth
Restated Loan Agreement in its capacity as Guarantor for the purpose of
acknowledging the existence of the Fifth Restated Loan Agreement, consenting to
the execution thereof by the Borrower and reaffirming its guaranty of the
obligations of Borrower to Banks.

         IN WITNESS WHEREOF, the parties hereto have caused this Agreement to
be duly executed as of the day and year first above written.

                                        BORROWER:
                                        -------- 
                                        
                                        CLAYTON WILLIAMS ENERGY, INC.
                                        
                                        
                                        
                                        By:      /s/ L. Paul Latham            
                                           ------------------------------------
                                                 L. Paul Latham
                                                 Executive Vice President
                                        
                                        WARRIOR GAS CO.
                                        
                                        
                                        
                                        By:      /s/ L. Paul Latham            
                                           ------------------------------------
                                                 L. Paul Latham
                                                 Vice President





                                       50
<PAGE>   56
                                        GUARANTOR:
                                        --------- 
                                        
                                        CWEI ACQUISITIONS, INC.
                                        
                                        
                                        
                                        By:      /s/ L. Paul Latham            
                                           ------------------------------------
                                                 L. Paul Latham
                                                 Vice President
                                        
                                        BANKS:
                                        ----- 
                                        
                                        BANK ONE, TEXAS, N.A.,
                                        a national banking association
                                        
                                        
                                        
                                        By:      /s/ Reed V. Thompson          
                                           ------------------------------------
                                                 Reed V. Thompson
                                                 Vice President
                                        
                                        THE FIRST NATIONAL BANK OF CHICAGO
                                        a national banking association
                                        
                                        
                                        
                                        By:      /s/ Ronald L. Dierker         
                                           ------------------------------------
                                                 Ronald L. Dierker,
                                                 Attorney-In-Fact





                                       51
<PAGE>   57
                                        BANQUE PARIBAS,
                                        a French banking corporation
                                        
                                        
                                        
                                        By:      /s/ Barton D. Schouest        
                                           ------------------------------------
                                                 Barton D. Schouest,
                                                 Group Vice President
                                        
                                        
                                        
                                        By:         /s/ Mark Green        
                                           ------------------------------------
                                        Name:           Mark Green 
                                             ----------------------------------
                                        Title:         Vice President        
                                              ---------------------------------
                                        
                                        
                                        AGENT:
                                        
                                        BANK ONE, TEXAS, N.A.,
                                        a national banking association
                                        
                                        
                                        
                                        By:      /s/ Reed V. Thompson          
                                           ------------------------------------
                                             Reed V. Thompson, Vice President





                                       52
<PAGE>   58

                                  EXHIBIT "A"


                              NOTICE OF BORROWING


         The undersigned hereby certifies that he is the ____________________
of _________________, a ________________ corporation ("Borrower"), and that as
such he is authorized to executed this Notice of Borrowing on behalf of
Borrower.  With reference to that certain Fifth Restated Loan Agreement, dated
July 18, 1996, (as same may be amended, modified, increased, supplemented
and/or restated from time to time, the "Agreement") entered into among
Borrower, Bank One, Texas, N.A., Banque Paribas and The First National Bank of
Chicago ("Banks"), and Bank One, Texas, N.A. as Agent ("Agent"), the
undersigned further certifies, represents and warrants on behalf of Borrower
that to his best knowledge and belief after reasonable and due investigation
and review, all of the following statements are true and correct (each
capitalized term used herein having the same meaning given to it in the
Agreement unless otherwise specified):

                 (a)      Borrower requests that the Banks advance Borrower the
         aggregate sum of $_____________________ by no later than
         _______________________, 19___.  Immediately following such Advance,
         the aggregate outstanding balance of Advances shall equal
         $_________________________________.

                 (b)      Type of Advance:  [Base Rate or Eurodollar Loan].

                 (c)      Eurodollar Loan - Interest Period of _________ days.

                 (d)      As of the date hereof, and as a result of the making
         of the requested Advance, there does not and will not exist any Event
         of Default.

                 (e)      Borrower has performed and complied with all
         agreements and conditions contained in the Loan Documents which are
         required to be performed or complied with by Borrower before or on the
         date hereof.

                 (f)      The representations and warranties contained in the
         Agreement and in the other Loan Documents (excluding, however, the
         representations and warranties set forth in Sections 10(h) and 10(s)
         as to any matter which has theretofore been disclosed in writing by
         Borrowers to Banks, but as to which Borrower and Guarantor hereby
         represent and warrant that as of the date hereof the matters so
         disclosed are not reasonably expected to have a Material Adverse
         Effect) are true and correct in all material respects as of the date
         hereof and shall be true and correct upon the making of the Advance,
         with the same force and effect as though made on and as of the date
         hereof and thereof.
<PAGE>   59
         EXECUTED AND DELIVERED this _______ day of ___________________, 19____.

                                            [Borrower]
                                            ------------------------------------
                                            
                                            
                                            By:                                
                                            ------------------------------------
                                            Name:                              
                                            ------------------------------------
<PAGE>   60
                                  EXHIBIT "B"


                                    RENEWAL
                                 REVOLVING NOTE


$50,000,000.00                    Dallas, Texas                    July 18, 1996

         FOR VALUE RECEIVED, the undersigned, Clayton Williams Energy, Inc., a
Delaware corporation and Warrior Gas Co., a Texas corporation (the "Borrowers")
hereby jointly and severally promise to pay to the order of BANK ONE, TEXAS,
N.A.  (the "Payee"), at its offices at 1717 Main Street, Dallas, Texas 75201,
or at such other place as the holder hereof may direct, in lawful money of the
United States of America, the principal amount of FIFTY MILLION AND 00/100
DOLLARS ($50,000,000.00), or, if less than such amount, the aggregate unpaid
principal amount of all Advances made by Payee to Borrowers hereunder in
accordance with the terms of that certain Fifth Restated Loan Agreement, dated
as of even date herewith, entered into among Borrowers, Payee, Banque Paribas,
FNB and Payee as Agent (as same may be amended, modified, increased,
supplemented and/or restated from time to time, the "Agreement"), and Borrowers
further promise to pay interest to Payee at such office or other place, in like
money, from the date hereof on the unpaid principal amount hereof from time to
time outstanding at the rates stated in the Agreement.  All terms defined in
the Agreement shall have the same meaning when used herein.

         1.   Payment Terms.  The principal of, and all accrued interest upon,
this Note shall be due and payable in the amounts and at the times stated in
the Agreement as follows:

                 (a)  Interest shall be due and payable as provided in the
         Agreement;

                 (b)      The entire unpaid principal amount of this Note shall
         be due and payable on the Maturity Date.

         2.   Disbursement and Prepayment.  Payee may disburse the principal of
this Note to Borrowers in one or more Advances from time to time in accordance
with the Agreement.  Borrowers shall be entitled and in certain instances may
be required to prepay the principal of this Note from time to time in
accordance with the Agreement. Borrowers may borrow, repay and reborrow under
this Note in accordance with the terms of the Agreement.  It is contemplated
that by reason of prepayments hereon there may be times when no indebtedness is
owing hereunder; but notwithstanding such occurrences, this Note shall remain
valid and shall be in full force and effect as to Advances made pursuant to the
Agreement subsequent to each such occurrence.

         3.   Benefits.  This Note is the Note referred to in the Agreement,
and Agent and the holder(s) hereof are entitled to the benefits thereof and may
enforce the agreements contained therein and exercise the rights provided for
thereby or otherwise in respect
<PAGE>   61
thereof.  Reference to the Agreement shall not affect or impair the absolute
unconditional obligation of Borrowers to pay the principal of, interest on and
any additional payment in connection with this Note when due.

         4.   Security.  The payment of this Note is secured by Collateral more
particularly described in the Agreement.


         5.   Acceleration of Maturity.  Upon the occurrence of an Event of
Default under the Agreement, Banks may (i) declare the principal of, and all
interest then accrued on, this Note, to be forthwith due and payable, whereupon
the same shall forthwith become due and payable without presentment, demand,
protest, or notice of any kind, all of which Borrowers hereby expressly waive,
and/or (ii) exercise of any other right provided in the Loan Documents, or at
law or in equity.  Reference is hereby made to the Agreement for a statement of
the events upon which the maturity of this Note may be accelerated
automatically.  Borrowers grant to each Bank the right to set off against this
Note, and the right of recoupment from, any and all deposit and other
liabilities of each Bank to Borrowers and all money or property in the
possession of any Bank held for or owed to Borrowers.

         6.   Waiver.  Except as otherwise expressly provided herein or in the
other Loan Documents, Borrowers and all sureties, endorsers and guarantors of
this Note (i) waive demand, presentment for payment, notice of intention to
accelerate, notice of acceleration, protest, notice of protest, notice of
default and all other notices, filing of suit and diligence in collecting this
Note or enforcing any of the security herefor, (ii) agree to any substitution,
exchange or release of any such security or the release of any person or entity
primarily or secondarily liable herefor, (iii) agree that it will not be
necessary for Agent or any holder hereof, in order to enforce payment of this
Note by Agent or such holder, to first institute suit or exhaust its rights
against Borrowers or others liable herefor, or to enforce its rights against
any security herefor, and (iv) consent to any and all extensions for any
period, renewals or postponements of time of payment of this Note or any other
indulgences with respect hereto, without notice thereof to any of them.

         7.   Attorneys' Fees.  If this Note is collected by legal proceedings
or in or through a bankruptcy court, or is placed in the hands of an attorney
for collection after maturity, no matter how maturity is brought about,
Borrowers agree to pay reasonable attorneys fees and all other collection costs
incurred by Agent and the holder(s) of this Note.

         8.   GOVERNING LAW AND VENUE.  THIS NOTE SHALL BE CONSTRUED IN
ACCORDANCE WITH AND GOVERNED BY THE LAWS OF THE STATE OF TEXAS AND APPLICABLE
FEDERAL LAW AND SHALL BE PERFORMABLE IN DALLAS COUNTY, TEXAS, OR AT SUCH OTHER
PLACE AS MAY BE DESIGNATED IN WRITING BY THE HOLDER HEREOF.

         9.   Headings.  The headings of the sections of this Note are inserted
for convenience only and shall not be deemed to constitute a part hereof.
<PAGE>   62

         IN WITNESS WHEREOF, Borrowers have executed this Note as of the date
and year first herein written.

                                   BORROWERS:                                  
                                   ---------                                   
                                                                               
                                   CLAYTON WILLIAMS ENERGY, INC.               
                                                                               
                                                                               
                                                                               
                                   By:                                         
                                      -----------------------------------------
                                            L. Paul Latham                     
                                            Executive Vice President           
                                                                               
                                   WARRIOR GAS CO.                             
                                                                               
                                                                               
                                                                               
                                   By:                                         
                                      -----------------------------------------
                                            L. Paul Latham                     
                                            Vice President                     
<PAGE>   63
                                 EXHIBIT "B-1"


                                    RENEWAL
                                 REVOLVING NOTE


$25,000,000.00                   Dallas, Texas                     July 18, 1996

         FOR VALUE RECEIVED, the undersigned, Clayton Williams Energy, Inc., a
Delaware corporation and Warrior Gas Co., a Texas corporation (the "Borrowers")
hereby jointly and severally promise to pay to the order of BANQUE PARIBAS (the
"Payee"), at the office of BANK ONE, TEXAS, N.A. ("Agent"), 1717 Main Street,
Dallas, Texas 75201, or at such other place as the holder hereof may direct, in
lawful money of the United States of America, the principal amount of
TWENTY-FIVE MILLION AND 00/100 DOLLARS ($25,000,000.00), or, if less than such
amount, the aggregate unpaid principal amount of all Advances made by Payee to
Borrowers hereunder in accordance with the terms of that certain Fifth Restated
Loan Agreement, dated as of even date herewith, entered into among Borrowers,
Payee, Agent and FNB (as same may be amended, modified, increased, supplemented
and/or restated from time to time, the "Agreement"), and Borrowers further
promise to pay interest to Payee at such office or other place, in like money,
from the date hereof on the unpaid principal amount hereof from time to time
outstanding at the rates stated in the Agreement.  All terms defined in the
Agreement shall have the same meaning when used herein.

         1.   Payment Terms.  The principal of, and all accrued interest upon,
this Note shall be due and payable in the amounts and at the times stated in
the Agreement as follows:

                 (a)  Interest shall be due and payable as provided in the
         Agreement;

                 (b)      The entire unpaid principal amount of this Note shall
         be due and payable on the Maturity Date.

         2.   Disbursement and Prepayment.  Payee may disburse the principal of
this Note to Borrowers in one or more Advances from time to time in accordance
with the Agreement.  Borrowers shall be entitled and in certain instances may
be required to prepay the principal of this Note from time to time in
accordance with the Agreement. Borrowers may borrow, repay and reborrow under
this Note in accordance with the terms of the Agreement.  It is contemplated
that by reason of prepayments hereon there may be times when no indebtedness is
owing hereunder; but notwithstanding such occurrences, this Note shall remain
valid and shall be in full force and effect as to Advances made pursuant to the
Agreement subsequent to each such occurrence.

         3.   Benefits.  This Note is the Note referred to in the Agreement,
and Agent and the holder(s) hereof are entitled to the benefits thereof and may
enforce the agreements contained therein and exercise the rights provided for
thereby or otherwise in respect
<PAGE>   64
thereof.  Reference to the Agreement shall not affect or impair the absolute
unconditional obligation of Borrowers to pay the principal of, interest on and
any additional payment in connection with this Note when due.

         4.   Security.  The payment of this Note is secured by Collateral more
particularly described in the Agreement.


         5.   Acceleration of Maturity.  Upon the occurrence of an Event of
Default under the Agreement, Banks may (i) declare the principal of, and all
interest then accrued on, this Note, to be forthwith due and payable, whereupon
the same shall forthwith become due and payable without presentment, demand,
protest, or notice of any kind, all of which Borrowers hereby expressly waive,
and/or (ii) exercise of any other right provided in the Loan Documents, or at
law or in equity.  Reference is hereby made to the Agreement for a statement of
the events upon which the maturity of this Note may be accelerated
automatically.  Borrowers grant to each Bank the right to set off against this
Note, and the right of recoupment from, any and all deposit and other
liabilities of each Bank to Borrowers and all money or property in the
possession of any Bank held for or owed to Borrowers.

         6.   Waiver.  Except as otherwise expressly provided herein or in the
other Loan Documents, Borrowers and all sureties, endorsers and guarantors of
this Note (i) waive demand, presentment for payment, notice of intention to
accelerate, notice of acceleration, protest, notice of protest, notice of
default and all other notices, filing of suit and diligence in collecting this
Note or enforcing any of the security herefor, (ii) agree to any substitution,
exchange or release of any such security or the release of any person or entity
primarily or secondarily liable herefor, (iii) agree that it will not be
necessary for Agent or any holder hereof, in order to enforce payment of this
Note by Agent or such holder, to first institute suit or exhaust its rights
against Borrowers or others liable herefor, or to enforce its rights against
any security herefor, and (iv) consent to any and all extensions for any
period, renewals or postponements of time of payment of this Note or any other
indulgences with respect hereto, without notice thereof to any of them.

         7.   Attorneys' Fees.  If this Note is collected by legal proceedings
or in or through a bankruptcy court, or is placed in the hands of an attorney
for collection after maturity, no matter how maturity is brought about,
Borrowers agree to pay reasonable attorneys fees and all other collection costs
incurred by Agent and the holder(s) of this Note.

         8.   GOVERNING LAW AND VENUE.  THIS NOTE SHALL BE CONSTRUED IN
ACCORDANCE WITH AND GOVERNED BY THE LAWS OF THE STATE OF TEXAS AND APPLICABLE
FEDERAL LAW AND SHALL BE PERFORMABLE IN DALLAS COUNTY, TEXAS, OR AT SUCH OTHER
PLACE AS MAY BE DESIGNATED IN WRITING BY THE HOLDER HEREOF.

         9.   Headings.  The headings of the sections of this Note are inserted
for convenience only and shall not be deemed to constitute a part hereof.
<PAGE>   65

         IN WITNESS WHEREOF, Borrowers have executed this Note as of the date
and year first herein written.

                                   BORROWERS:                                  
                                   ---------                                   
                                                                               
                                   CLAYTON WILLIAMS ENERGY, INC.               
                                                                               
                                                                               
                                                                               
                                   By:                                         
                                      -----------------------------------------
                                            L. Paul Latham                     
                                            Executive Vice President           
                                                                               
                                   WARRIOR GAS CO.                             
                                                                               
                                                                               
                                                                               
                                   By:                                         
                                      -----------------------------------------
                                            L. Paul Latham                     
                                            Vice President                     
<PAGE>   66
                                 EXHIBIT "B-2"


                                    RENEWAL
                                 REVOLVING NOTE

                                  
$25,000,000.00                   Dallas, Texas                     July 18, 1996

         FOR VALUE RECEIVED, the undersigned, Clayton Williams Energy, Inc., a
Delaware corporation and Warrior Gas Co., a Texas corporation (the "Borrowers")
hereby jointly and severally promise to pay to the order of THE FIRST NATIONAL
BANK OF CHICAGO (the "Payee"), at the office of BANK ONE, TEXAS, N.A.
("Agent"), 1717 Main Street, Dallas, Texas 75201, or at such other place as the
holder hereof may direct, in lawful money of the United States of America, the
principal amount of TWENTY-FIVE MILLION AND 00/100 DOLLARS ($25,000,000.00),
or, if less than such amount, the aggregate unpaid principal amount of all
Advances made by Payee to Borrowers hereunder in accordance with the terms of
that certain Fifth Restated Loan Agreement, dated as of even date herewith,
entered into among Borrowers, Payee, Agent and Banque Paribas (as same may be
amended, modified, increased, supplemented and/or restated from time to time,
the "Agreement"), and Borrowers further promise to pay interest to Payee at
such office or other place, in like money, from the date hereof on the unpaid
principal amount hereof from time to time outstanding at the rates stated in
the Agreement.  All terms defined in the Agreement shall have the same meaning
when used herein.

         1.   Payment Terms.  The principal of, and all accrued interest upon,
this Note shall be due and payable in the amounts and at the times stated in
the Agreement as follows:

                 (a)  Interest shall be due and payable as provided in the
         Agreement;

                 (b)      The entire unpaid principal amount of this Note shall
         be due and payable on the Maturity Date.

         2.   Disbursement and Prepayment.  Payee may disburse the principal of
this Note to Borrowers in one or more Advances from time to time in accordance
with the Agreement.  Borrowers shall be entitled and in certain instances may
be required to prepay the principal of this Note from time to time in
accordance with the Agreement. Borrowers may borrow, repay and reborrow under
this Note in accordance with the terms of the Agreement.  It is contemplated
that by reason of prepayments hereon there may be times when no indebtedness is
owing hereunder; but notwithstanding such occurrences, this Note shall remain
valid and shall be in full force and effect as to Advances made pursuant to the
Agreement subsequent to each such occurrence.

         3.   Benefits.  This Note is the Note referred to in the Agreement,
and Agent and the holder(s) hereof are entitled to the benefits thereof and may
enforce the agreements contained therein and exercise the rights provided for
thereby or otherwise in respect
<PAGE>   67
thereof.  Reference to the Agreement shall not affect or impair the absolute
unconditional obligation of Borrowers to pay the principal of, interest on and
any additional payment in connection with this Note when due.

         4.   Security.  The payment of this Note is secured by Collateral more
particularly described in the Agreement.


         5.   Acceleration of Maturity.  Upon the occurrence of an Event of
Default under the Agreement, Banks may (i) declare the principal of, and all
interest then accrued on, this Note, to be forthwith due and payable, whereupon
the same shall forthwith become due and payable without presentment, demand,
protest, or notice of any kind, all of which Borrowers hereby expressly waive,
and/or (ii) exercise of any other right provided in the Loan Documents, or at
law or in equity.  Reference is hereby made to the Agreement for a statement of
the events upon which the maturity of this Note may be accelerated
automatically.  Borrowers grant to each Bank the right to set off against this
Note, and the right of recoupment from, any and all deposit and other
liabilities of each Bank to Borrowers and all money or property in the
possession of any Bank held for or owed to Borrowers.

         6.   Waiver.  Except as otherwise expressly provided herein or in the
other Loan Documents, Borrowers and all sureties, endorsers and guarantors of
this Note (i) waive demand, presentment for payment, notice of intention to
accelerate, notice of acceleration, protest, notice of protest, notice of
default and all other notices, filing of suit and diligence in collecting this
Note or enforcing any of the security herefor, (ii) agree to any substitution,
exchange or release of any such security or the release of any person or entity
primarily or secondarily liable herefor, (iii) agree that it will not be
necessary for Agent or any holder hereof, in order to enforce payment of this
Note by Agent or such holder, to first institute suit or exhaust its rights
against Borrowers or others liable herefor, or to enforce its rights against
any security herefor, and (iv) consent to any and all extensions for any
period, renewals or postponements of time of payment of this Note or any other
indulgences with respect hereto, without notice thereof to any of them.

         7.   Attorneys' Fees.  If this Note is collected by legal proceedings
or in or through a bankruptcy court, or is placed in the hands of an attorney
for collection after maturity, no matter how maturity is brought about,
Borrowers agree to pay reasonable attorneys fees and all other collection costs
incurred by Agent and the holder(s) of this Note.

         8.   GOVERNING LAW AND VENUE.  THIS NOTE SHALL BE CONSTRUED IN
ACCORDANCE WITH AND GOVERNED BY THE LAWS OF THE STATE OF TEXAS AND APPLICABLE
FEDERAL LAW AND SHALL BE PERFORMABLE IN DALLAS COUNTY, TEXAS, OR AT SUCH OTHER
PLACE AS MAY BE DESIGNATED IN WRITING BY THE HOLDER HEREOF.

         9.   Headings.  The headings of the sections of this Note are inserted
for convenience only and shall not be deemed to constitute a part hereof.
<PAGE>   68

         IN WITNESS WHEREOF, Borrowers have executed this Note as of the date
and year first herein written.

                                   BORROWERS:                                  
                                   ---------                                   
                                                                               
                                   CLAYTON WILLIAMS ENERGY, INC.               
                                                                               
                                                                               
                                                                               
                                   By:                                         
                                      -----------------------------------------
                                            L. Paul Latham                     
                                            Executive Vice President           
                                                                               
                                   WARRIOR GAS CO.                             
                                                                               
                                                                               
                                                                               
                                   By:                                         
                                      -----------------------------------------
                                            L. Paul Latham                     
                                            Vice President                     
<PAGE>   69
                                  EXHIBIT "C"


                              FINANCIAL CONDITION


                                      NONE
<PAGE>   70
                                  EXHIBIT "D"


                                  LIABILITIES

                                      NONE
<PAGE>   71
                                  EXHIBIT "E"


                                   LITIGATION

                                      NONE
<PAGE>   72
                                  EXHIBIT "F"


                             ENVIRONMENTAL MATTERS

                                      NONE

<PAGE>   1
                                                                      EXHIBIT 21


                         SUBSIDIARIES OF THE REGISTRANT

Clayton Williams Energy, Inc. has five wholly owned subsidiaries as follows:


o      Warrior Gas Co., a Texas corporation, which has a wholly owned
       subsidiary, Clajon Industrial Gas, Inc., a Texas corporation

o      Clayton Williams Trading Company, a Texas corporation

o      Clayton Williams Venezuela, Inc. (formerly Clayton Williams Argentina,
       Inc.), a Delaware corporation

o      CWEI Acquisitions, Inc. (formerly Texas Energy Company), a Delaware
       corporation

o      Clayton Williams Midland, Inc., a Delaware corporation

<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
CONDENSED CONSOLIDATED FINANCIAL STATEMENTS FOR THE SIX MONTHS ENDED JUNE 30,
1996 AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH FORM 10-Q FOR THE
QUARTER THEN ENDED.
</LEGEND>
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1996
<PERIOD-START>                             JAN-01-1996
<PERIOD-END>                               JUN-30-1996
<CASH>                                           1,210
<SECURITIES>                                         0
<RECEIVABLES>                                    9,641
<ALLOWANCES>                                         0
<INVENTORY>                                        445
<CURRENT-ASSETS>                                11,861
<PP&E>                                         355,251
<DEPRECIATION>                                 272,512
<TOTAL-ASSETS>                                  94,672
<CURRENT-LIABILITIES>                           17,057
<BONDS>                                         38,528
<COMMON>                                             0
                                0
                                        748
<OTHER-SE>                                      38,339
<TOTAL-LIABILITY-AND-EQUITY>                    94,672
<SALES>                                         27,517
<TOTAL-REVENUES>                                29,466
<CGS>                                            7,161
<TOTAL-COSTS>                                   23,720
<OTHER-EXPENSES>                                  (40)
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                               1,943
<INCOME-PRETAX>                                  3,843
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                              3,843
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                     3,843
<EPS-PRIMARY>                                      .51
<EPS-DILUTED>                                        0
        

</TABLE>


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