KEY ENERGY GROUP INC
8-K, 1997-09-16
DRILLING OIL & GAS WELLS
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<PAGE>   1
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                            ------------------------

                                    FORM 8-K


                                 CURRENT REPORT


                     Pursuant to Section 13 or 15(d) of the

                        Securities Exchange Act of 1934

      Date of Report: (Date of earliest event reported): September 1, 1997


                             KEY ENERGY GROUP, INC.
             (Exact name of registrant as specified in its charter)

<TABLE>
<S>                        <C>                       <C>
        MARYLAND                    1-8038                      04-2648081
(State of Incorporation)   (Commission File Number)  (IRS Employer Identification No.)
</TABLE>



                         TWO TOWER CENTER, TENTH FLOOR
                        EAST BRUNSWICK, NEW JERSEY 08816
                    (Address of Principal Executive Offices)


                                  908/247-4822
              (Registrant's telephone number, including area code)


                                (NOT APPLICABLE)
         (Former name or former address, if changed since last report)
<PAGE>   2
ITEM 2. ACQUISITION OF DISPOSITION OF ASSETS.

        Effective as of September 1, 1997, Yale E. Key, Inc., a wholly owned
subsidiary of Key Energy Group, Inc. (the "Company"), acquired all of the
issued and outstanding capital stock of Ram Oil Well Service, Inc. ("Ram") and
Rowland Trucking Co. Inc. ("Rowland"), two closely held New Mexico
corporations. The assets owned by Ram and Rowland consist of equipment and
vehicles utilized in working-over and servicing oil and gas wells in West Texas
and Southeast New Mexico. The consideration given by the Company for the issued
and outstanding capital stock of Ram and Rowland consists of cash in the amount
of $21.5 million, which consideration was financed by the Company's credit
facility and available cash balances. The amount of such consideration was
determined by negotiations between the Company and the sole stockholder of all
the issued and outstanding capital stock of Ram and Rowland. No material 
relationship exists between the sole stockholder of Ram and Rowland and 
the Company or any of its affiliates, any director or officer of the 
Company or any associate of any such officer or director. The Company 
intends for the assets of Ram and Rowland to continue to be used in 
working-over and servicing oil and gas wells.

ITEM 7. FINANCIAL STATEMENTS AND EXHIBITS

        (a)  Financial Statements of Business Acquired.

             To be filed by amendment within (60) days of the date of this
             report on Form 8-K.

        (b)  Pro Forma Financial Information.

             To be filed by amendment within (60) days of the date of this
             report on Form 8-K.

        (c)  Exhibits.

        The following exhibits, from which schedules have been omitted and will
        be furnished to the Commission upon its request, are filed with this 
        report on Form 8-K.

        2.1  Stock Purchase Agreement (Rowland Trucking Co., Inc.) Among Yale
             E. Key, Inc. and Robert D. Calhoun, dated as of September 1, 1997

        2.2  Stock Purchase Agreement (Ram Oil Well Services, Inc.) Among Yale
             E. Key, Inc. and Robert D. Calhoun, dated as of September 1, 1997.




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<PAGE>   3
                                   SIGNATURE

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

Date:  September 16, 1997               KEY ENERGY GROUP, INC.



                                        By:  /s/ FRANCIS D. JOHN
                                           -------------------------------
                                             Francis D. John, President




                                       3
<PAGE>   4


                               INDEX TO EXHIBITS


EXHIBIT
  NO.                               DESCRIPTION
- -------                             -----------
  2.1           Stock Purchase Agreement (Rowland Trucking Co., Inc.) Among
                Yale E. Key, Inc. and Robert D. Calhoun, dated as of 
                September 1, 1997

  2.2           Stock Purchase Agreement (Ram Oil Services, Inc.) Among Yale E.
                Key, Inc. and Robert Calhoun, dated as of September 1, 1997.


<PAGE>   1
                                                                     EXHIBIT 2.1
================================================================================




                            STOCK PURCHASE AGREEMENT

                          (ROWLAND TRUCKING CO., INC.)

                                     AMONG,

                               YALE E. KEY, INC.

                                      AND

                               ROBERT D. CALHOON





                         DATED AS OF SEPTEMBER 1, 1997




================================================================================
<PAGE>   2
                            STOCK PURCHASE AGREEMENT

         THIS STOCK PURCHASE AGREEMENT (this "Agreement") is entered into as of
September 1, 1997 by and among Yale E. Key, Inc., a Texas corporation 
("Buyer"), and Robert D. Calhoon (the "Shareholder").

                                 WITNESSETH:

         WHEREAS, Buyer is a corporation duly organized and validly existing
under the laws of the State of Texas, with its principal executive offices at
1501 E. Taylor, Midland, Texas 79701; and

         WHEREAS, Rowland Trucking Co., Inc. (the "Company") is a corporation
duly organized and validly existing under the laws of the State of New Mexico,
with its principal executive offices at 1909 W. Marland Blvd. (P. O. Box 340 -
88241), Hobbs, New Mexico 88240; and

         WHEREAS, the Shareholder owns 500,000 shares (the "Rowland Shares") of
common stock, par value $1.00 per share, of the Company (the "Rowland Common
Stock") which constitutes all of the issued and outstanding shares of capital
stock of the Company; and

         WHEREAS, the Shareholder desires to sell to Buyer, and Buyer desires
to purchase from the Shareholder all of the issued and outstanding capital
stock of the Company; and

         WHEREAS, contemporaneously herewith the Shareholder is selling and the
Buyer is buying all of the issued and outstanding capital stock of Ram Oil Well
Service, Inc. ("Ram") pursuant to the terms of a Stock Purchase Agreement
between the Buyer and the Shareholder dated as of the date hereof (the "Ram
Agreement").

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

                                   ARTICLE 1

                               PURCHASE AND SALE

         1.1.    Purchase and Sale of the Rowland Shares.    Subject to the
terms and conditions of this Agreement, on the date hereof, the Shareholder
agrees to sell and convey to Buyer, free and clear of all Encumbrances (as
defined in Section 2.1.8.1 hereof), and Buyer agrees to purchase and accept
from the Shareholder, all of the Rowland Shares.  In consideration of the sale
of the Rowland Shares, Buyer shall pay to the Shareholder $15,500,000 in cash
by wire transfer of immediately available funds (of which the sum of $37,000
shall be paid in consideration of the Shareholder's covenant not to compete as
set forth in Section 3.1 hereof), and the Cash Adjustment Payment (as defined
in Section 1.3 hereof), if any, in accordance with Section 1.3 hereof.
<PAGE>   3
         1.2.    Delivery of the Rowland Certificates.  The Shareholder shall
deliver to Buyer on the date hereof duly and validly issued certificate(s)
representing all of the Rowland Shares, each such certificate having been duly
endorsed and in good form for transfer or accompanied by stock powers duly
executed, sufficient and in good form to properly transfer such shares to
Buyer.

         1.3     Adjustment of Purchase Price.  Shareholder and Buyer shall
cause to be prepared  a balance sheet of the Company as of August 31, 1997 (the
"Final Balance Sheet") within 30 days after the date hereof.  The Final Balance
Sheet shall be developed using  accounting principles applied on a basis
consistent with the 12/31 Balance Sheet (as defined in Section 2.1.6 hereof).
Buyer and the Shareholder shall jointly review the Final Balance Sheet and any
supplemental reports delivered in connection therewith (including, but not
limited to, all adjusting entries made to the Final Balance Sheet) and will
endeavor in good faith to resolve all disagreements regarding the entries
thereon and reach a final determination thereof within 10 days from the date of
delivery of the Final Balance Sheet to the Shareholder.

         Within 10 days of reaching such final determination, the following
adjusting payments shall be made:

         (1)     If the Final Net Book Value of the Company (defined below)
                 exceeds the Interim Net Book Value of the Company (defined
                 below), Buyer shall pay to the Shareholder the amount of such
                 excess (the "Cash Adjustment Payment").

         (2)     If the Final Net Book Value of the Company is less than the
                 Interim Net book Value of the Company, the Shareholder shall
                 pay to Buyer the amount of such difference (the "Cash
                 Adjustment Payment").

         The term "Final Net Book Value of the Company" means the dollar value
of the amount by which (i) the total assets of the Company recorded on the
Final Balance Sheet exceeds (ii) the total liabilities of the Company as
recorded on the Final Balance Sheet.  The term "Interim Net Book Value of the
Company" means $4,880,994.44.  It is understood and agreed by the parties
hereto that Shareholder withdrew from the Company as of August 31, 1997 the sum
of $1,500,000.00 in cash  and  such withdrawal was taken into consideration in
developing the Closing Balance Sheets (as defined in 3.7 hereof) and will be
taken into consideration in developing the Final Balance Sheet.

                                   ARTICLE 2

                         REPRESENTATIONS AND WARRANTIES

         2.1.    Representations and Warranties of the Shareholder.  The
Shareholder represents and warrants to Buyer as follows:

                 2.1.1.   Organization and Standing. The Company is a
         corporation duly organized, validly existing and in good standing
         under the laws of the State of New Mexico, has full





                                       2
<PAGE>   4
         requisite corporate power and authority to carry on its business as it
         is currently conducted, and to own and operate the properties
         currently owned and operated by it, and is duly qualified or licensed
         to do business and is in good standing as a foreign corporation
         authorized to do business in all jurisdictions in which the character
         of the properties owned or the nature of the business conducted by it
         would make such qualification or licensing necessary, except where the
         failure to be so qualified or licensed would not have a material
         adverse effect on its financial condition, properties or business.

                 2.1.2.   Agreement Authorized and its Effect on Other
         Obligations.  The Shareholder is a resident of Palo Pinto County,
         Texas, above the age of 18 years, and has the legal capacity and
         requisite power and authority to enter into, and perform his
         obligations under this Agreement. This Agreement is a valid and
         binding obligation of the Shareholder enforceable against the
         Shareholder (subject to normal equitable principles) in accordance
         with its terms, except as enforceability may be limited by bankruptcy,
         insolvency, reorganization, debtor relief or similar laws affecting
         the rights of creditors generally.  The execution, delivery and
         performance of this Agreement by the Shareholder will not conflict
         with or result in a violation or breach of any term or provision of,
         nor constitute a default under (i) the Certificate of Incorporation or
         Bylaws of the Company or (ii) any obligation, indenture, mortgage,
         deed of trust, lease, contract or other agreement to which  the
         Company or the Shareholder is a party or by which  the Company or the
         Shareholder or their respective properties are bound.

                 2.1.3.   Capitalization; Total Assets.  The authorized
         capitalization of the Company consists of 500,000 shares of Rowland
         Common Stock, of which, as of the date hereof, 500,000 shares are
         issued and outstanding and owned beneficially and of record by the
         Shareholder.  On the date hereof,  the Company has no outstanding
         options, warrants, calls or commitments of any character relating to
         any of its authorized but unissued shares of capital stock.  All
         issued and outstanding shares of the Rowland Common Stock  are validly
         issued, fully paid and non-assessable and are subject to preemptive
         rights.  None of the outstanding shares of the Rowland Common Stock
         are subject to any voting trusts, voting agreement or other agreement
         or understanding with respect to the voting thereof, nor is any proxy
         in existence with respect thereto.

                 2.1.4.  Ownership of the Rowland Shares. The Shareholder holds
         good and valid title to all of the Rowland Shares, free and clear of
         all Encumbrances.  The Shareholder possesses full authority and legal
         right to sell, transfer and assign to Buyer the Rowland Shares, free
         and clear of all Encumbrances.  Upon transfer to Buyer by the
         Shareholder of the Rowland Shares, subject to any Encumbrances created
         by Buyer, Buyer will own the Rowland Shares free and clear of all
         Encumbrances.  There are no claims pending or, to the knowledge of the
         Shareholder, threatened, against  the Company or the Shareholder that
         concern or affect title to the Rowland Shares, or that seek to compel
         the issuance of capital stock or other securities of  the Company.





                                       3
<PAGE>   5
                 2.1.5.   No Subsidiaries.  There is no corporation,
         partnership, joint venture, business trust or other legal entity in
         which  the Company, either directly or indirectly through one or more
         intermediaries, owns or holds beneficial or record ownership of at
         least a majority of the outstanding voting securities.

                 2.1.6.   Financial Statements.  The Shareholder has delivered
         to Buyer a copy of the Company's audited balance sheet for the year
         ended December 31, 1996 (the "12/31 Balance Sheet"), and related
         statements of earnings and retained earnings (collectively, the "12/31
         Financial Statements"), and a copy of the Company's unaudited balance
         sheet (the "Interim Balance Sheet") as at and for the four months
         ended April 30, 1997 (the "Interim Balance Sheet Date"), and related
         income statement (collectively, the "Interim Financial Statements"),
         copies of all of which are attached hereto as Schedule 2.1.6.   The
         12/31 Financial Statements and the Interim Financial Statements are
         complete in all material respects.  The 12/31 Financial Statements
         present fairly the financial condition of the Company as at the date
         and for the periods indicated and have been prepared in accordance
         with generally accepted accounting principles applied on a consistent
         basis.  The Interim Financial Statements present fairly the financial
         condition of the Company as of the date and for the periods indicated
         and have been prepared in accordance with generally accepted
         accounting principals applied on a consistent basis, subject only to
         normal year end adjustments consistent with those made on the 12/31
         Financial Statements. The accounts receivable reflected in the Interim
         Balance Sheet, or which have been thereafter acquired by the Company,
         have been collected or are collectible at the aggregate recorded
         amounts thereof.  The inventory of the Company reflected in the
         Interim Balance Sheet, or which has thereafter been acquired by it,
         consists of items of a quality usable and salable in the normal course
         of the Company's business, and the value at which the inventory is
         carried is at the lower of cost or market.

                 2.1.7.   Liabilities. Except as disclosed on Schedule 2.1.7
         hereto,  the Company has no liabilities or obligations, either
         accrued, absolute or contingent, nor does the Shareholder have any
         knowledge of any potential liabilities or obligations, other than
         those (i) reflected or reserved against in the Interim Balance Sheet
         or (ii) incurred in the ordinary course of business since the Interim
         Balance Sheet Date that would materially adversely affect the value
         and conduct of the business of the Company.

                 2.1.8    Additional Information.  Attached hereto as
         Subschedules to Section 2.1.8  are true, complete and correct lists of
         the following items as of June 30, 1997 (unless otherwise specifically
         noted):

                          2.8.1.  Real Estate.  All real property and
                 structures thereon owned, leased or subject to a contract of
                 purchase and sale, or lease commitment, by the Company, with a
                 description of the nature and amount of any  Encumbrances
                 (defined below) thereon.  The term "Encumbrances" means all
                 liens, security interests, pledges, mortgages, deed of trust,
                 claims, rights of first refusal, options, charges,
                 restrictions or conditions to transfer or assignment,
                 liabilities, obligations, privileges, equities,





                                       4
<PAGE>   6
                 easements, rights-of-way, limitations, reservations,
                 restrictions and other encumbrances of any kind or nature;

                          2.1.8.2. Machinery and Equipment.  All  machinery,
                 trucks, trailers and other transportation equipment, vehicles,
                 tools, equipment, furnishings and fixtures and other personal
                 property owned, leased or subject to a contract of purchase
                 and sale, or lease commitment, by the Company with a
                 description of the nature and amount of any Encumbrances
                 thereon;

                          2.1.8.3. Inventory.  All inventory items or groups of
                 inventory items owned by the Company, excluding raw materials
                 and work in process, which raw materials and work in process
                 are valued on the Interim Balance Sheet, together with the
                 amount of any Encumbrances thereon;

                          2.1.8.4. Receivables.  All accounts and notes
                 receivable of the Company, together with (i) aging schedules
                 by invoice date and due date, (ii) the amounts provided for as
                 an allowance for bad debts, (iii) the identity and location of
                 any asset in which the Company holds a security interest to
                 secure payment of the underlying indebtedness, and (iv) a
                 description of the nature and amount of any Encumbrances on
                 such accounts and notes receivable;

                          2.1.8.5. Payables.  All accounts and notes payable of
                 the Company, all of which are current;

                          2.1.8.6. Insurance.  All insurance policies or bonds
                 currently maintained by the Company, including title insurance
                 policies, with respect to  the Company, including those
                 covering the Company's properties, machinery, equipment,
                 trucks, trailers and other transportation equipment and
                 vehicles, fixtures, employees and operations, as well as a
                 listing of any premiums, audit adjustments or retroactive
                 adjustments due or pending on such policies or any predecessor
                 policies;

                          2.1.8.7. Contracts.  All material contracts,
                 including leases pursuant to which the Company is lessor or
                 lessee, which are to be performed in whole or in part after
                 the date hereof;

                          2.1.8.8. Employee Compensation Plans.  All bonus,
                 incentive compensation, deferred compensation, profit-sharing,
                 retirement, pension, welfare, group insurance, death benefit,
                 or other employee benefit or fringe benefit plans,
                 arrangements or trust agreements of the Company or any
                 employee benefit plan maintained by the Company, together with
                 copies of the most recent reports with respect to such plans,
                 arrangements, or trust agreements filed with any governmental
                 agency and all Internal Revenue Service determination letters
                 and other correspondence from governmental entities that have
                 been received with respect to such plans, arrangements or
                 agreements (collectively, "Employee Plans");





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<PAGE>   7
                          2.1.8.9. Employee Compensation.  The names and levels
                 of compensation of all of the Company's present salaried
                 employees and the pay rates for each category of hourly
                 employees and, to the extent existing on the date of this
                 Agreement, all arrangements with respect to any bonuses to be
                 paid to them from and after the date of this Agreement;

                          2.1.8.10. Bank Accounts.  The name of each bank in
                 which the Company has an account and the names of all persons
                 authorized to draw thereon;

                          2.1.8.11. Employee Agreements.  Any collective
                 bargaining agreements of the Company with any labor union or
                 other representative of employees, including amendments,
                 supplements, and written or oral understandings, and all
                 employment and consulting and severance agreements of the
                 Company;

                          2.1.8.12. Licenses and Permits.  All material
                 permits, authorizations, certificates, approvals,
                 registrations, variances, waivers, exemptions, rights-of-way,
                 franchises, ordinances, licenses and other rights of every
                 kind and character (collectively, the "Permits") of the
                 Company under which it conducts its business;

                          2.1.8.13. Promissory Notes; Guaranties.  All
                 long-term and short-term promissory notes, installment
                 contracts, loan agreements, credit agreements and any other
                 agreements of the Company relating thereto or with respect to
                 collateral securing the same, together with  all indebtedness,
                 liabilities and commitments of others and as to which the
                 Company is a guarantor, endorser, co-maker, surety, or
                 accommodation maker, or is contingently liable therefor and
                 all letters of credit, whether stand-by or documentary, issued
                 by any third party;

                          2.1.8.14. Reserves and Accruals.  All accounting
                 reserves and accruals materially affecting the Interim Balance
                 Sheet; and

                          2.1.8.15. Environment.  All environmental permits,
                 approvals, certifications, licenses, registrations, orders and
                 decrees applicable to current operations conducted by the
                 Company and all environmental audits, assessments,
                 investigations and reviews conducted by the Company within the
                 last five years or otherwise in the Company's possession on
                 any property owned, leased or used by either of the Companies.

                 2.1.9. No Defaults. Except as listed on Schedule 2.1.8.7
         hereto, to the knowledge of Shareholder, the Company is not a party
         to, or bound by, any contract or arrangement of any kind to be
         performed after the date hereof, nor is  the Company in default in any
         obligation or covenant on its part to be performed under any
         obligation, lease, contract, order, plan or other arrangement.





                                       6
<PAGE>   8
                 2.1.10. Absence of Certain Changes and Events.  Other than as
         a result of the transactions contemplated by this Agreement, since the
         Interim Balance Sheet Date, there has not been:

                          2.1.10.1. Financial Change.  Any material adverse
                 change in the financial condition, backlog, operations,
                 assets, liabilities or business of the Company;

                          2.1.10.2. Property Damage.  Any material damage,
                 destruction, or loss to the business or properties of the
                 Company (whether or not covered by insurance);

                          2.1.10.3. Distributions.  Any declaration, setting
                 aside, or payment of any dividend or other distribution in
                 respect of the Rowland Common Stock, or any direct or indirect
                 redemption, purchase or any other acquisition by the Company
                 of any such stock, except as disclosed on Schedule 2.1.10.3
                 hereto;

                          2.1.10.4. Capitalization Change.  Any change in the
                 capital stock or in the number of shares or classes of the
                 Company's authorized or outstanding capital stock as described
                 in Section 2.1.3 hereof;

                          2.1.10.5. Labor Disputes.  Any labor or employment
                 dispute of whatever nature; or

                          2.1.10.6. Other Material Changes.  Any other event or
                 condition known to the Shareholder particularly pertaining to
                 and materially adversely affecting the operations, assets or
                 business of the Company.

                 2.1.11. Taxes.  All federal, state and local income, value
         added, sales, use, franchise, gross revenue, turnover, excise,
         payroll, property, employment, customs, duties and any and all other
         tax returns, reports, and estimates have been filed with appropriate
         governmental agencies, domestic and foreign, by the Company for each
         period for which any such returns, reports, or estimates were due
         (taking into account any extensions of time to file before the date
         hereof); all such returns are true and correct; the Company has  only
         done business in New Mexico and Texas; all taxes shown by such returns
         to be payable and any other taxes due and payable have been paid other
         than those being contested in good faith by the Company; and the tax
         provisions reflected in the Interim Balance Sheet are adequate, in
         accordance with generally accepted accounting principles, to cover
         liabilities of the Company at the date thereof for all taxes,
         including any assessed interest, assessed penalties and additions to
         taxes of any character whatsoever applicable to the Company or its
         assets or business.  No waiver of any statute of limitations executed
         by the Company with respect to any income or other tax is in effect
         for any period.  The income tax returns of the Company have never been
         examined by the Internal Revenue Service or the taxing authorities of
         any other jurisdiction.  There are no tax liens on any assets of  the
         Company except for taxes not yet currently due. Except as it relates
         to an allocation of tax attributes between the Company and Ram, the
         Company is not subject to any tax-sharing or allocation





                                       7
<PAGE>   9
         agreement. The Company is, and has been a Subchapter S-Corporation
         under the Internal Revenue Code of 1986, as amended since its
         formation.  The Company is not and never  has been, a member of a
         consolidated group subject to Treasury Regulation 1.1502-6 or any
         similar provision.

                 2.1.12. Intellectual Property. To the Shareholder's knowledge,
         the Company owns or possesses licenses to use  all patents, patent
         applications, trademarks or service marks (including representations
         and applications therefor), trade names, copyrights or written know
         how, trade secrets or similar proprietary data or the goodwill
         associated therewith (collectively,  the "Intellectual Property") that
         are either material to the business of the Company or that are
         necessary for the rendering of any services rendered by the Company
         and the use or sale of any equipment or products used or sold by the
         Company.  The Company has not received any notice of infringement,
         misappropriation or conflict with, the Intellectual Property rights of
         others.

                 2.1.13. Title to and Condition of Assets. The Company has
         good, indefeasible and marketable title to all its properties,
         interests in properties and assets, real and personal, reflected in
         the Interim Balance Sheet or in the subschedules to Section 2.1.8
         hereto, free and clear of any Encumbrance of any nature whatsoever,
         except (i) Encumbrances reflected in the Interim Balance Sheet or in
         the subschedules to Section 2.1.8 hereto, (ii) liens for current taxes
         not yet due and payable, and (iii) such imperfections of title,
         easements and Encumbrances, if any, as are not substantial in
         character, amount, or extent and do not and will not materially
         detract from the value, or interfere with the present use, of the
         property subject thereto or affected thereby, or otherwise materially
         impair the business operations of the Company.  All leases pursuant to
         which the Company leases (whether as lessee or lessor) any  real or
         personal property are in good standing, valid, and effective; and
         there is not, under any such leases, any existing default or event of
         default or, to the knowledge of the Shareholder, event which with
         notice or lapse of time, or both, would constitute a default by the
         Company and in respect to which the  Company has not taken adequate
         steps to prevent a  default from occurring.  The buildings and
         premises of  the Company that are used in its business are in good
         operating condition and repair, subject only to ordinary wear and
         tear.  All machinery, trucks, trailers and other transportation
         equipment and vehicles, tools and other major items of equipment of
         the Company are in good operating condition and in a state of
         reasonable maintenance and repair, ordinary wear and tear excepted,
         and, to the knowledge of the Shareholder, are free from any known
         defects, except as may be repaired by routine maintenance and such
         minor defects as to not substantially interfere with the continued use
         thereof in the conduct of normal operations and all such assets
         conform to all applicable laws governing their use.  No notice of any
         violation of any law, statute, ordinance or regulation relating to any
         such assets has been received by the Company or the Shareholder,
         except such as have been fully complied with.

                 2.1.14. Contracts.  All contracts, leases, plans or other
         arrangements to which the Company is a party, by which it is bound or
         to which the Company or its assets are subject are in full force and
         effect, and constitute valid and binding obligations of the Company.
         The





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<PAGE>   10
         Company is not, and, to the knowledge of the  Shareholder, no other
         party to any such contract, lease, plan or other arrangement is in
         default thereunder, and no event has occurred which (with or without
         notice, lapse of time, or the happening of any other event) would
         constitute a default thereunder.  No contract has been entered into on
         terms which could reasonably be expected to have a material adverse
         effect on  the Company.   The Shareholder has not received any
         information which would cause the Shareholder to conclude that any
         customer representing annual revenues of $100,000 or more  to the
         Company will (or is likely to) cease doing business with the Company
         (or its successors) as a result of the consummation of the
         transactions contemplated hereby.

                 2.1.15. Licenses and Permits.  The Company possesses all
         Permits necessary under law or otherwise for the Company to conduct
         its business as now being conducted and to construct, own, operate,
         maintain and use its assets in the manner in which they are now being
         constructed, operated, maintained and used, including all such Permits
         listed in Schedule 2.1.8.12 hereto (collectively, the "Required
         Permits"). To the knowledge of the Shareholder, each of the Required
         Permits and the Company's rights with respect thereto is valid and
         subsisting, in full force and effect, and enforceable by the Company
         subject to administrative powers of regulatory agencies having
         jurisdiction. To the knowledge of the Shareholder, the Company is in
         compliance in all respects with the terms of each of the Required
         Permits.  None of the Required Permits have been, or to the knowledge
         of the Shareholder, is threatened to be, revoked, canceled, suspended
         or modified.

                 2.1.16. Litigation.  Except as set forth in Schedule 2.1.16
         hereto, there is no suit, action, or legal, administrative,
         arbitration or other proceeding or governmental investigation pending
         to which the Company is a party or, to the knowledge of the
         Shareholder, might become a party or which particularly affects the
         Company or its assets, nor is any change in the zoning or building
         ordinances directly affecting the real property or leasehold interests
         the Company, pending or, to the knowledge of the Shareholder,
         threatened.

                 2.1.17. Environmental Compliance.

                          2.1.17.1. Environmental Conditions.  Except as set
                 forth in Schedule 2.1.17.1 hereto, there are no environmental
                 conditions or circumstances, including, without limitation,
                 the presence or release of any Substance of Environmental
                 Concern (as defined below), on any property presently or
                 previously owned, leased or operated by  the Company, or on
                 any property to which any Substance of Environmental Concern
                 or waste generated by the Company's operations or use of its
                 assets were disposed of, which would have a material adverse
                 effect on the business or business prospects of the Company.
                 The term "Substance of Environmental Concern" means (a) any
                 gasoline, petroleum (including crude oil or any fraction
                 thereof), petroleum product, polychlorinated biphenyls,
                 urea-formaldehyde insulation, asbestos, pollutant,
                 contaminant, radiation and any other substance of any kind,
                 whether or not any such substance is defined as toxic or
                 hazardous under any Environmental Law





                                       9
<PAGE>   11
                 (as defined in Section 2.1.17.3 hereof), that is regulated
                 pursuant to or could give rise to liability under any
                 Environmental Law;

                          2.1.17.2 Permits, etc. The Company has, and within
                 the period of all applicable statute of limitations has had,
                 in full force and effect all environmental Permits required to
                 conduct its operations, and is, within the period of all
                 applicable statutes of limitations has been, operating in
                 compliance thereunder;

                          2.1.17.3. Compliance. The Company's operations and
                 use of its  assets are, and within the period of all
                 applicable statutes of limitations, have been in compliance
                 with applicable Environmental Law.  "Environmental Law" as
                 used herein means any and all laws, rules, orders,
                 regulations, statutes, ordinances, codes, decrees, and other
                 legally enforceable requirements (including, without
                 limitation, common law) of the United States, or any State,
                 local, municipal or other governmental authority or
                 quasi-governmental authority, regulating, relating to, or
                 imposing liability or standards of conduct concerning
                 protection of the environmental or of human health, or
                 employee health and safety as from time to time has been or is
                 now in effect.

                          2.1.17.4.   Environmental Claims.  No notice has been
                 received by the Company or the Shareholder from any entity,
                 governmental agency or individual regarding any existing,
                 pending or threatened investigation, inquiry, enforcement
                 action.  litigation, or liability, including, without
                 limitation any claim for remedial obligations, response costs
                 or contribution, relating to any Environmental Law;

                          2.1.17.5.   Enforcement.  The Company, and to the
                 knowledge of the Shareholder, no predecessor of the Company or
                 other party acting on behalf of the Company, has entered into
                 or agreed to any consent, decree, order, settlement or other
                 agreement, nor is subject to any judgment, decree, order or
                 other agreement, in any judicial, administrative, arbitral, or
                 other forum, relating to compliance with or liability under
                 any Environmental Law;

                          2.1.17.6.   Liabilities.  The Company has not
                 assumed or retained, by contract or operation of law, any
                 liabilities of any kind, fixed or contingent under any
                 Environmental Law;

                          2.1.17.7.  Renewals.  The Shareholder does not know
                 of any reason why the Company (or its successors) would not be
                 able to renew without material expense any of the permits,
                 licenses, or other authorizations required pursuant to any of
                 the  Environmental Law to conduct and use any of  the
                 Company's current or planned operations; and

                          2.1.17.8.  Asbestos and PCBs.  No material amounts of
                 friable asbestos currently exist on any property owned or
                 operated by the Company , nor do





                                       10
<PAGE>   12
                 polychlorinated biphenyls exist in concentrations of 50 parts
                 per million or more in electrical equipment owned or being
                 used by the Company in its operations or on its properties.

                 2.1.18. Compliance with Other Laws. To the knowledge of the
         Shareholder, The Company is not in violation of or in default with
         respect to, or in alleged violation of or alleged default with respect
         to, the Occupational Safety and Health Act (29 U.S.C. Sections 651 et
         seq.) as amended, or any other applicable law or any applicable rule,
         regulation, or any writ or decree of any court or any governmental
         commission, board, bureau, agency, or instrumentality, or delinquent
         with respect to any report required to be filed with any governmental
         commission, board, bureau, agency or instrumentality.

                 2.1.19.  ERISA Plans or Labor Issues.  Except as reflected in
         Schedule 2.1.8.8 hereto, the Company does not currently sponsor,
         maintain or contribute to and has not at any time sponsored,
         maintained or contributed to any employee benefit plan which is or was
         subject to any provisions of the Employee Retirement Income Security
         Act of 1974, as amended ("ERISA").  The Company has not engaged in any
         unfair labor practices which could reasonably be expected to result in
         a material adverse effect on its operations or assets.  There are no
         labor disputes or, to the knowledge of the Shareholder, any disputes
         threatened by current or former employees of the Company.  As to each
         Employee Plan:

                          (i)     For purposes of this Section 2.1.19, all
                 references to the Company shall be deemed to refer to the
                 Company and any trade or business, whether or not
                 incorporated, which together with the Company would be deemed
                 or treated as a "single employer" with the meaning of Code
                 Section 414 or ERISA Section 4001.  None of the Employee Plans
                 (i) is subject to Title IV of ERISA or the minimum funding
                 requirements of Section 412 of the Code of Section 302 of
                 ERISA, (ii) is a plan of the type described in Section 4063 of
                 ERISA or Section 413(c) of the Code, (iii) is a "multiemployer
                 plan" (as defined in Section 3(37) of ERISA), (iv) provides
                 for medical, life or other types of insurance benefits to
                 current or future retired or former employees of the Company
                 (other than as required for Consolidated Omnibus
                 Reconciliation Act of 1985, as amended ("COBRA") continuation
                 coverage under Code Section 4980B or similar state law), (v)
                 obligates the Company to pay any severance or similar benefits
                 solely as a result of a change in control or ownership of the
                 Company, or (vi) is a "voluntary employees' beneficiary
                 association" with the meaning of Code Section 501(c)(9).

                          (ii)    Each Employee Plan complies with and has been
                 administered in form and in operation in compliance with all
                 applicable laws include, without limitation, ERISA, the
                 Internal Revenue Code of 1986, as amended (the "Code") and
                 COBRA, and the Shareholder has not received any notice from
                 any governmental authority questioning or challenging such
                 compliance;





                                       11
<PAGE>   13
                          (iii)   The Company's administration and operation of
                 the Employee Plans has not been conducted in such a manner as
                 would give rise to any material fines, penalties, taxes,
                 claims or charges against the Company by a governmental entity
                 or any third party or otherwise result in a material adverse
                 effect on the Company's financial condition.

                          (iv)    Funding of the Rowland Trucking Co., Inc.
                 401(k) Plan is in the sole discretion of the Company
                 regardless of past funding practices, and the Rowland Trucking
                 Co., Inc. 401(k) Plan may be terminated at any time without
                 liability to the Company other than the obligation to
                 distribute the funds held by the Rowland Trucking Co., Inc.
                 401(k) Plan in accordance with the provisions thereof;

                          (v)     There has been no event or condition which
                 presents a material risk of termination of any Employee Plan
                 of the Company;

                          (vi)    The execution, delivery and performance of
                 this Agreement will not cause any Employee Plan of the Company
                 to be terminated or otherwise adversely affect the
                 administration or operation thereof.  The Company's
                 administration of its Employee Plans following the date hereof
                 in the same manner as such plans were administered by the
                 Company prior to the Closing will not violate any applicable
                 laws or otherwise result in a material adverse effect on the
                 financial condition of the Company;

                          (vii)   Except as would not cause a material adverse
                 effect, each Employee Plan which is intended to be qualified
                 under Code Section 401(a), (i) has been timely amended to
                 reflect all requirements of the Tax Reform Act of 1986 and all
                 subsequent federal legislation which is required to be adopted
                 prior to the date hereof and (ii) has received from the
                 Internal Revenue Service a favorable determination letter
                 which considers the terms of the Employee Plan as amended for
                 such tax law changes, or is within the remedial amendment
                 period for seeking such favorable determination letter.
                 Nothing has occurred since the date of the most recent
                 determination letter that would adversely affect the qualified
                 status of each such Employee Plan or the tax-exempt status of
                 any related trust;

                          (viii)  During the five years preceding the date
                 hereof (i) no under-funded pension plan subject to Title IV of
                 ERISA or the minimum funding requirements of Code Section 412
                 or ERISA Section 302 has been transferred out of the Company
                 and (ii) the Company has not participated in or contributed
                 to, or had an obligation to participate in or contribute to,
                 any multiemployer plan (as defined in ERISA Section 3(37));

                          (ix)    The Company has not incurred, and has no
                 reason to expect that it will incur, any liability to the
                 Internal Revenue Service, the Department of Labor, the Pension
                 Benefit Guaranty Corporation (PBGC), or to any multiemployer
                 plan, or





                                       12
<PAGE>   14
                 otherwise under Title IV of ERISA (including any withdrawal
                 liability), or otherwise under ERISA or the Code, with respect
                 to any Employee Plan that the Company maintains or contributes
                 to, or had an obligation to contribute to;

                          (x)     Consistent with applicable laws, the Company
                 may amend or terminate any Employee Plan at any time without
                 the consent of any participant therein or any other person.

                 2.1.20.  Investigations; Litigation.  Neither the Shareholder
         nor the Company has received any notice or other indication that any
         investigation or review by any governmental entity with respect to
         the Company or any of the transactions contemplated by this Agreement
         is pending. To the knowledge of the Shareholder, no investigation or
         review by any governmental entity with respect to the Company or any
         transaction contemplated by this Agreement is threatened, nor has any
         governmental entity indicated to  the Company an intention to conduct
         the same, and there is no action, suit or proceeding pending or, to
         the knowledge of the Shareholder, threatened against or affecting  the
         Company at law or in equity, or before any federal, state, municipal
         or other governmental department, commission, board, bureau, agency or
         instrumentality, that either individually or in the aggregate, does or
         is likely to result in any material adverse change in the financial
         condition, properties or business of the Company.

                 2.1.21.  No Trade Names.  There are no trade names, assumed
         names and fictitious names used or held by the Company.

                 2.1.22.   Absence of Certain Business Practices. To the
         knowledge of the Shareholder, neither the Company nor any officer,
         employee or agent of the Company, nor any other person acting on their
         behalf, has directly or indirectly, within the past five years, given
         or agreed to give any gift or similar benefit to any customer,
         supplier, government employee or other person who is or may be in a
         position to help or hinder the business of the Company  (or to assist
         the Company in connection with any actual or proposed transaction)
         which (i) might subject the Company to any damage or penalty in any
         civil, criminal or governmental litigation or proceeding, (ii) if not
         given in the past, might have had a material adverse effect on the
         assets, business or operations of the Company as reflected in the
         Interim Balance Sheet, or (iii) if not continued in the future, might
         materially adversely effect the assets, business operations or
         prospects of  the Company or which might subject the Company to suit
         or penalty in a private or governmental litigation or proceeding.

                 2.1.23.   No Untrue Statements.  The Company and the
         Shareholder have made available to Buyer true, complete and correct
         copies of all contracts, documents concerning all litigation and
         administrative proceedings, licenses, permits, insurance policies,
         lists of suppliers and customers, and records relating principally to
         the Company's assets and business, and such information covers all
         commitments and liabilities of the Company relating to its business or
         assets, as contemplated in the terms of this Agreement.  This
         Agreement and the agreements and instruments to be entered into in
         connection herewith do





                                       13
<PAGE>   15
         not include any untrue statement of a material fact or omit to state
         any material fact necessary to make the statements made herein and
         therein not misleading in any material respect.

                 2.1.24.  Consents and Approvals.  No consent, approval or
         authorization of, or filing or registration with, any governmental or
         regulatory authority, or any other person or entity other than the
         Shareholder, is required to be made or obtained by the Company or the
         Shareholder in connection with the execution, delivery or performance
         of this Agreement or the consummation of the transactions contemplated
         hereby.

                 2.1.25.  Finder's Fee.  All negotiations relative to this
         Agreement and the transactions contemplated hereby have been carried
         on by the Shareholder and his counsel directly with Buyer and its
         counsel, without the intervention of any other person in such manner
         as to give rise to any valid claim against any of the parties hereto
         for a brokerage commission, finder's fee or any similar payments.

         2.2.  Representations and Warranties of Buyer. Buyer represents and
warrants to the Shareholder as follows

                 2.2.1.  Organization and Good Standing.  Buyer is a
         corporation duly organized, validly existing and in good standing
         under the laws of the State of Texas, has full requisite corporate
         power and authority to carry on its business as it is currently
         conducted, and to own and operate the properties currently owned and
         operated by it, and is duly qualified or licensed to do business and
         is in good standing as a foreign corporation authorized to do business
         in all jurisdictions in which the character of the properties owned or
         the nature of the business conducted by it would make such
         qualification or licensing necessary, except where the failure to be
         so qualified or licensed would not have a material adverse effect on
         its financial condition, properties or business.

                 2.2.2.  Agreement Authorized and its Effect on Other
         Obligations.  The consummation of the transactions contemplated hereby
         have been duly and validly authorized by all necessary corporate
         action on the part of Buyer, and this Agreement is a valid and binding
         obligation of Buyer enforceable (subject to normal equitable
         principles) in accordance with its terms, except as enforceability may
         be limited by bankruptcy, insolvency, reorganization, debtor relief or
         similar laws affecting the rights of creditors generally.  The
         execution, delivery and performance of this Agreement by Buyer will
         not conflict with or result in a violation or breach of any term or
         provision of, or constitute a default under (a) the Articles of
         Incorporation or Bylaws of Buyer or (b) any obligation, indenture,
         mortgage, deed of trust, lease, contract or other agreement to which
         Buyer or any of its property is bound.

                 2.2.3.  Consents and Approvals.   No consent, approval or
         authorization of, or filing of a registration with, any governmental
         or regulatory authority, or any other person or entity is required to
         be made or obtained by Buyer in connection with the execution,
         delivery or





                                       14
<PAGE>   16
         performance of this Agreement or the consummation of the transactions
         contemplated hereby.

                 2.2.4.  Finder's Fee.  All negotiations relative to this
         Agreement and the transactions contemplated hereby have been carried
         on by Buyer and its counsel directly with the Company and the
         Shareholder and their counsel, without the intervention by any other
         person as the result of any act of Buyer in such a manner as to give
         rise to any valid claim against any of the parties hereto for any
         brokerage commission, finder's fee or any similar payments.

                                   ARTICLE 3

                             ADDITIONAL AGREEMENTS

         3.1.    Noncompetition.  Except as disclosed on Schedule 3.1 hereto or
otherwise consented to or approved in writing by Buyer, the Shareholder agrees
that for a period of 60 months from the date hereof, he will not, directly or
indirectly, acting alone or as a member of a partnership or as an officer,
director, employee, consultant, representative, holder of, or investor in as
much as 5% of any security of any class of any corporation or other business
entity (i) engage in competition with the business or businesses conducted by
the Company, or in the business of providing property maintenance and workover
services to operators of oil and gas wells, the contract drilling and
completion of oil and gas wells or the production of oil and natural gas, or in
any other oil and gas well service business of the nature that are provided and
marketed by the Company, Buyer or any affiliate of Buyer on the date hereof in
any state of the United States, or any foreign country in which the Company ,
Buyer or any affiliate of Buyer transacts business on the date hereof; (ii)
request any present customers or suppliers of the Company to curtail or cancel
their business  with the Company, Buyer or any affiliate of Buyer; (iii)
disclose to any person, firm or corporation any trade, technical or
technological secrets of the Company, Buyer or any affiliate of Buyer or any
details of their organization or business affairs or (iv) induce or actively
attempt to influence any employee of the Company, Buyer or any affiliate of
Buyer to terminate his employment.  The Shareholder agrees that if either the
length of time or geographical area set forth in this Section 3.1 is deemed too
restrictive in any court proceeding, the court may reduce such restrictions to
those which it deems reasonable under the circumstances.  The obligations
expressed in this Section 3.1 are in addition to any other obligations that the
Shareholder may have under the laws of the states in which he does business
requiring an employee of a business or a shareholder who sells his stock in a
corporation (including a disposition in a merger) to limit his activities so
that the goodwill and business relations of his employer and of the corporation
whose stock he has sold (and any successor corporation) will not be materially
impaired.  The Shareholder further agrees and acknowledges that the Company,
Buyer and its affiliates do not have any adequate remedy at law for the breach
or threatened breach by the Shareholder of this covenant, and agrees that the
Company, Buyer or any affiliate of Buyer may, in addition to the other remedies
which may be available to it hereunder, file a suit in equity to enjoin the
Shareholder from such breach or threatened breach.  If any provisions of this
Section 3.1 are held to be invalid or against public policy, the remaining
provisions shall not be affected thereby.  The Shareholder acknowledges that
the covenants set forth in this Section 3.1 are being executed and





                                       15
<PAGE>   17
delivered by the Shareholder in consideration of the covenants of Buyer
contained in this Agreement, the payment of the sum of $37,000 as specified in
Section 1.1 hereof and for other good and valuable consideration, receipt of
which is hereby acknowledged.

         3.2.    Employment.  From the date hereof, Shareholder shall be
employed by the Company pursuant to the terms and conditions and the salary
specified in an employment agreement executed  contemporaneously herewith
between the Shareholder and the Company.

         3.3.     Further Assurances.  From time to time, as and when requested
by any party hereto, any other party hereto shall execute and deliver, or cause
to be executed and delivered, such documents and instruments and shall take, or
cause to be taken, such further or other actions as may be reasonably necessary
to effectuate the transactions contemplated hereby.

         3.4.    Purchase of Real Property From the Shareholder. The
Shareholder agrees that he will, on or before the consummation of the purchase
and sale of the Rowland Shares pursuant to the terms of this Agreement, sell
the real property described on Subschedule 2.1.8.1-6 hereto to the Company for
a cash consideration of $35,000, subject to the terms of a contract for the
sale of such property executed between the Shareholder and the Company
contemporaneously herewith.

         3.5.    Lease of Real Property from the Shareholder.  The Shareholder
agrees that he will, on or before the consummation of the purchase and sale of
the Rowland Shares pursuant to the terms of this Agreement, lease those real
properties and improvements described on Subschedules 2.1.8.1-4, 2.1.8.1-5 and
2.1.8.1-7 hereto to the Company pursuant to the terms and conditions and for
the consideration set forth in a lease agreement agreed upon between the
Shareholder and the Buyer.

         3.6.    Ram Agreement.  The Shareholder and the Buyer agree that their
obligations under this Agreement (including the Shareholder's obligations under
Sections 3.2, 3.4 and 3.5) are expressly conditioned upon the contemporaneous
consummation of the transactions contemplated by the Ram Agreement and that
neither transaction (or the Shareholder's obligations under Sections 3.2, 3.4
and 3.5) will be consummated unless both transactions are consummated
contemporaneously (unless otherwise mutually agreed by the parties hereto).

         3.7.    Closing Balance Sheets.  The Shareholder has caused to be
delivered to Buyer balance sheets of Ram and the Company as of August 31,  1997
("Closing Balance Sheets") in the form of those attached hereto as Schedule 3.7
which reflect the total assets of the Company and Ram to be less than
$10,000,000 in the aggregate.  The Closing Balance Sheets have been prepared in
a manner consistent with the prior regularly prepared monthly financial
statements of the Company and Ram, taking into account the timing of their
preparation and the withdrawal referred to in Section 1.3 hereof and the
bonuses and redemptions referred to in Section 1.3 of the Ram Agreement.





                                       16
<PAGE>   18
3.8.     Release of Guaranties.  Buyer agrees that it will secure the release
of the Shareholder from his personal guaranties executed in conjunction with
the letters of credit and plugging bonds listed on Schedule 2.1.8.13 hereto
within 30 days following the date hereof.

                                   ARTICLE 4

                                INDEMNIFICATION

         4.1.    Indemnification by the  Shareholder.  In addition to any other
remedies available to Buyer under this Agreement, or at law or in equity, the
Shareholder shall indemnify, defend and hold harmless the Company, Buyer and
their affiliates and their respective officers, directors, employees, agents
and stockholders (collectively, the "Buyer Indemnified Parties"), against and
with respect to (a) any liability incurred by the Buyer Indemnified Parties in
connection with the litigation described on Schedule 2.1.16 in excess of any
insurance coverage applicable thereto and (b) any and all claims, costs,
damages, losses, expenses, obligations, liabilities, recoveries, suits, causes
of action and deficiencies, including interest, penalties and reasonable fees
and expenses of attorneys, consultants and experts (collectively, the
"Damages") in excess of $230,000 in the aggregate that the Buyer Indemnified
Parties shall incur or suffer, which arise, result from or relate to any breach
by the Shareholder of (or the failure of the Shareholder to perform) his
representations, warranties, covenants or agreements in this Agreement and/or
in the Ram Agreement or in any schedule, certificate, exhibit or other
instrument furnished or delivered to Buyer by the Shareholder under this
Agreement and/or the Ram Agreement; provided, however, under no circumstances
shall the Shareholder's liability under this Section 4.1 and under Section 4.1
of the Ram Agreement exceed the total purchase price payable by Buyer to the
Shareholder under this Agreement and the Ram Agreement..

         4.2.    Indemnification by Buyer.  In addition to any other remedies
available to the Shareholder under this Agreement, or at law or in equity,
Buyer shall indemnify, defend and hold harmless the Shareholder against and
with respect to any and all Damages in excess of $230,000 in the aggregate that
the Shareholder shall incur or suffer, which arise, result from or relate to
(a) any breach of, or failure by Buyer to perform, any of its representations,
warranties, covenants or agreements in this Agreement or in the Ram Agreement
or in any schedule, certificate, exhibit or other instrument furnished or
delivered to the Shareholder by or on behalf of Buyer under this Agreement or
the Ram Agreement or (b) liabilities incurred by the Shareholder which arise
solely and completely out of events occurring in the operation of the Company
by Buyer on or after the date of this Agreement, unless such liabilities are of
the liabilities specified in Section 4.1 hereof for which the Shareholder has
agreed to indemnify the Buyer Indemnified Parties.  Buyer further agrees that
any damages realized by the Shareholder as a result of Buyer's breach of its
obligations under Section 3.8 or such paragraph (b) of this Section 4.2 above
shall not be subject to the $230,000 threshold specified above.

         4.3.    Indemnification Procedure.  If any party hereto discovers or
otherwise becomes aware of one or more indemnification claims in excess of
$230,000, in the aggregate, arising under Sections 4.1 and 4.2 of this
Agreement or under the Ram Agreement, such indemnified party shall give written
notice to the indemnifying party, specifying such claim, and may thereafter
exercise any remedies available to such party under this Agreement or under the
Ram Agreement; provided,





                                       17
<PAGE>   19
however, that the failure of any indemnified party to give notice as provided
herein shall not relieve the indemnifying party of any obligations hereunder,
to the extent the indemnifying party is not materially prejudiced thereby.
Further, promptly after receipt by an indemnified party hereunder of written
notice of the commencement of any action or proceeding with respect to which a
claim for indemnification may be made pursuant to Sections 4.1 and 4.2 hereof,
such indemnified party shall, if a claim in respect thereof is to be made
against any indemnifying party, give written notice to the latter of the
commencement of such action; provided, however, that the failure of any
indemnified party to give notice as provided herein shall not relieve the
indemnifying party of any obligations hereunder, to the extent the indemnifying
party is not materially prejudiced thereby.  In case any such action is brought
against an indemnified party, the indemnifying party shall be entitled to
participate in and to assume the defense thereof, jointly with any other
indemnifying party similarly notified, to the extent that it may wish, with
counsel reasonably satisfactory to such indemnified party, and after such
notice from the indemnifying party to such indemnified party of its election so
to assume the defense thereof, the indemnifying party shall not be liable to
such indemnified party for any legal or other expenses subsequently incurred by
the latter in connection with the defense thereof unless the indemnifying party
has failed to assume the defense of such claim and to employ counsel reasonably
satisfactory to such indemnified person.  An indemnifying party who elects not
to assume the defense of a claim shall not be liable for the fees and expenses
of more than one counsel in any single jurisdiction for all parties indemnified
by such indemnifying party with respect to such claim or with respect to claims
separate but similar or related in the same jurisdiction arising out of the
same general allegations.  Notwithstanding any of the foregoing to the
contrary, the indemnified party will be entitled to select its own counsel and
assume the defense of any action brought against it if the indemnifying party
fails to select counsel reasonably satisfactory to the indemnified party, the
expenses of such defense to be paid by the indemnifying party.  No indemnifying
party shall consent to entry of any judgment or enter into any settlement with
respect to a claim without the consent of the indemnified party, which consent
shall not be unreasonably withheld, or unless such judgment or settlement
includes as an unconditional term thereof the giving by the claimant or
plaintiff to such indemnified party of a release from all liability with
respect to such claim.  No indemnified party shall consent to entry of any
judgment or enter into any settlement of any such action, the defense of which
has been assumed by an indemnifying party, without the consent of such
indemnifying party, which consent shall not be unreasonably withheld or
delayed.

                                   ARTICLE 5

                                 MISCELLANEOUS

         5.1.    Survival of Representations, Warranties and Covenants. All
representations, warranties, covenants and agreements made by the parties
hereto shall survive until August 31, 1999, notwithstanding any investigation
made by or on behalf of any of the parties hereto; provided, however, that the
representations and warranties contained in Section 2.1.11 hereof shall survive
until the expiration of the applicable statute of limitations associated with
tax issues.  All statements contained in any certificate, schedule, exhibit or
other instrument delivered pursuant to this Agreement shall be deemed to have
been representations and warranties by the respective party or parties, as the
case may be, and shall also survive until August 31, 1999 despite any
investigation made by any party hereto or on its behalf.  All covenants and
agreements contained herein shall survive as provided in this Agreement.





                                       18
<PAGE>   20
         5.2.    Entirety.  This Agreement embodies the entire agreement among
the parties with respect to the subject matter hereof, and all prior agreements
between the parties with respect thereto are hereby superseded in their
entirety.

         5.3.    Counterparts.  Any number of counterparts of this Agreement
may be executed and each such counterpart shall be deemed to be an original
instrument, but all such counterparts together shall constitute but one
instrument.

         5.4.    Notices and Waivers.  Any notice or waiver to be given to any
party hereto shall be in writing and shall be delivered by courier, sent by
facsimile transmission or first class registered or certified mail, postage
prepaid, return receipt requested:

                                        IF TO BUYER

       Addressed to:                         With a copy to:
                                             
       Yale E. Key, Inc.                     Key Energy Group, Inc.
       P. O. Box 10627                       Two Tower Center, Tenth Floor
       Midland, Texas 79702                  East Brunswick, New Jersey 08816
       Attn: President                       Attn: General Counsel
       Facsimile: (915) 570-8990             Facsimile: (908) 247-5148
                                             
                                             and
                                             
                                             Lynch, Chappell & Alsup
                                             300 N. Marienfeld, Suite 700
                                             Midland, Texas 79701
                                             Attn: James M. Alsup
                                             Facsimile: (915) 683-2587
                                             
                                      IF TO THE SHAREHOLDER
                                             
       Addressed to:                         With a copy to:
                                             
       Robert D. Calhoon                     Maddox Law Firm
       Star Route 1, Box 45L                 P. O. Box 2508
       Strawn, Texas 76475                   Hobbs, New Mexico 88241-2508
                                             Attn: Mr. James M. Maddox
                                             Facsimile: (505) 397-2646





                                       19
<PAGE>   21
         Any communication so addressed and mailed by first-class registered or
certified mail, postage prepaid, with return receipt requested, shall be deemed
to be received on the third business day after so mailed, and if delivered by
courier or facsimile to such address, upon delivery during normal business
hours on any business day.

         5.5.    Table of Contents and Captions.  The table of contents and
captions contained in this Agreement are solely for convenient reference and
shall not be deemed to affect the meaning or interpretation of any article,
section or paragraph hereof.

         5.6.    Successors and Assigns.  This Agreement shall be binding upon
and shall inure to the benefit of and be enforceable by the successors and
assigns of the parties hereto.

         5.7.    Severability.  If any term, provision, covenant or restriction
of this Agreement is held by a court of competent jurisdiction to be invalid,
void or unenforceable, the remainder of the terms, provisions, covenants and
restrictions shall remain in full force and effect and shall in no way be
affected, impaired or invalidated.  It is hereby stipulated and declared to be
the intention of the parties that they would have executed the remaining terms,
provisions, covenants and restrictions without including any of such which may
be hereafter declared invalid, void or unenforceable.

         5.8.    Applicable Law.  This Agreement shall be governed by and
construed and enforced in accordance with the applicable laws of the State of
New Mexico.



                            [SIGNATURE PAGE FOLLOWS]





                                       20
<PAGE>   22
         IN WITNESS WHEREOF, the Shareholder has executed this Agreement and
the Buyer has caused this Agreement to be signed in its corporate name by its
duly authorized representative, all as of the day and year first above written.


                                        YALE E. KEY, INC.


                                        By: /s/ C. RON LAIDLEY
                                           -------------------------------------
                                            C. Ron Laidley, President


                                        SHAREHOLDER

                                        /s/ ROBERT D. CALHOON
                                        ----------------------------------------
                                        Robert D. Calhoon    




                                       21

<PAGE>   1
                                                                     EXHIBIT 2.2
================================================================================




                            STOCK PURCHASE AGREEMENT

                          (RAM OIL WELL SERVICE, INC.)

                                     AMONG,

                               YALE E. KEY, INC.

                                      AND

                               ROBERT D. CALHOON





                         DATED AS OF SEPTEMBER 1, 1997




================================================================================
<PAGE>   2
                            STOCK PURCHASE AGREEMENT

         THIS STOCK PURCHASE AGREEMENT (this "Agreement") is entered into as of
September 1, 1997 by and among Yale E.  Key, Inc., a Texas corporation
("Buyer"), and Robert D. Calhoon (the "Shareholder").

                                 WITNESSETH:

         WHEREAS, Buyer is a corporation duly organized and validly existing
under the laws of the State of Texas, with its principal executive offices at
1501 E. Taylor, Midland, Texas 79701; and

         WHEREAS, Ram Oil Well Service, Inc. (the "Company") is a corporation
duly organized and validly existing under the laws of the State of New Mexico,
with its principal executive offices at 1901 W. Marland Blvd. (P. O. Box 697 -
88241), Hobbs, New Mexico 88240; and

         WHEREAS, the Shareholder owns 46,500 shares (the "Ram Shares") of
common stock, par value $1.00 per share, of the Company (the "Ram Common
Stock") which constitutes all of the issued and outstanding shares of capital
stock of the Company; and

         WHEREAS, the Shareholder desires to sell to Buyer, and Buyer desires
to purchase from the Shareholder all of the issued and outstanding capital
stock of the Company; and

         WHEREAS, contemporaneously herewith the Shareholder is selling and the
Buyer is buying all of the issued and outstanding capital stock of Rowland
Trucking Co., Inc. ("Rowland") pursuant to the terms of a Stock Purchase
Agreement between the Buyer and the Shareholder dated as of the date hereof
(the "Rowland Agreement").

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

                                   ARTICLE 1

                               PURCHASE AND SALE

         1.1.    Purchase and Sale of the Ram Shares.    Subject to the terms
and conditions of this Agreement, on the date hereof, the Shareholder agrees to
sell and convey to Buyer, free and clear of all Encumbrances (as defined in
Section 2.1.8.1 hereof), and Buyer agrees to purchase and accept from the
Shareholder, all of the Ram Shares.  In consideration of the sale of the Ram
Shares, Buyer shall pay to the Shareholder $6,000,000 in cash by wire transfer
of immediately available funds (of which the sum of $13,000, shall be paid in
consideration of the Shareholder's covenant not to compete as set forth in
Section 3.1 hereof), and the Cash Adjustment Payment (as defined in Section 1.3
hereof), if any, in accordance with Section 1.3 hereof.
<PAGE>   3
         1.2.    Delivery of the Ram Certificates.  The Shareholder shall
deliver to Buyer on the date hereof duly and validly issued certificate(s)
representing all of the Ram Shares, each such certificate having been duly
endorsed and in good form for transfer or accompanied by stock powers duly
executed, sufficient and in good form to properly transfer such shares to
Buyer.

         1.3     Adjustment of Purchase Price.  Shareholder and Buyer shall
cause to be prepared  a balance sheet of the Company as of August 31, 1997 (the
"Final Balance Sheet") within 30 days after the date hereof.  The Final Balance
Sheet shall be developed using  accounting principles applied on a basis
consistent with the 12/31 Balance Sheet (as defined in Section 2.1.6 hereof).
Buyer and the Shareholder shall jointly review the Final Balance Sheet and any
supplemental reports delivered in connection therewith (including, but not
limited to, all adjusting entries made to the Final Balance Sheet) and will
endeavor in good faith to resolve all disagreements regarding the entries
thereon and reach a final determination thereof within 10 days from the date of
delivery of the Final Balance Sheet to the Shareholder.

         Within 10 days of reaching such final determination, the following
adjusting payments shall be made:

         (1)     If the Final Net Book Value of the Company (defined below)
                 exceeds the Interim Net Book Value of the Company (defined
                 below), Buyer shall pay to the Shareholder the amount of such
                 excess (the "Cash Adjustment Payment").

         (2)     If the Final Net Book Value of the Company is less than the
                 Interim Net book Value of the Company, the Shareholder shall
                 pay to Buyer the amount of such difference (the "Cash
                 Adjustment Payment").

         The term "Final Net Book Value of the Company" means the dollar value
of the amount by which (i) the total assets of the Company recorded on the
Final Balance Sheet exceeds (ii) the total liabilities of the Company as
recorded on the Final Balance Sheet.  The term "Interim Net Book Value of the
Company" means $2,245,150.51.  It is understood and agreed by the parties
hereto that as of August 31, 1997, the Company   (a) paid the bonuses referred
to on Schedule 2.1.8.9 hereto and (b) completed the redemption referred to in
Schedule 2.1.10.3 hereto and that such bonuses and redemption were taken into
consideration in developing the Closing Balance Sheets (as defined in Section
3.5 hereof) and will be taken into consideration in developing the Final
Balance Sheet.

                                   ARTICLE 2

                         REPRESENTATIONS AND WARRANTIES

         2.1.    Representations and Warranties of the Shareholder.  The
Shareholder represents and warrants to Buyer as follows:





                                       2
<PAGE>   4
                 2.1.1.  Organization and Standing. The Company is a
         corporation duly organized, validly existing and in good standing
         under the laws of the State of New Mexico, has full requisite
         corporate power and authority to carry on its business as it is
         currently conducted, and to own and operate the properties currently
         owned and operated by it, and is duly qualified or licensed to do
         business and is in good standing as a foreign corporation authorized
         to do business in all jurisdictions in which the character of the
         properties owned or the nature of the business conducted by it would
         make such qualification or licensing necessary, except where the
         failure to be so qualified or licensed would not have a material
         adverse effect on its financial condition, properties or business.
        
                 2.1.2.   Agreement Authorized and its Effect on Other
         Obligations.  The Shareholder is a resident of Palo Pinto County,
         Texas, above the age of 18 years, and has the legal capacity and
         requisite power and authority to enter into, and perform his
         obligations under this Agreement. This Agreement is a valid and
         binding obligation of the Shareholder enforceable against the
         Shareholder (subject to normal equitable principles) in accordance
         with its terms, except as enforceability may be limited by bankruptcy,
         insolvency, reorganization, debtor relief or similar laws affecting
         the rights of creditors generally.  The execution, delivery and
         performance of this Agreement by the Shareholder will not conflict
         with or result in a violation or breach of any term or provision of,
         nor constitute a default under (i) the Certificate of Incorporation or
         Bylaws of the Company or (ii) any obligation, indenture, mortgage,
         deed of trust, lease, contract or other agreement to which  the
         Company or the Shareholder is a party or by which  the Company or the
         Shareholder or their respective properties are bound.

                 2.1.3.   Capitalization; Total Assets.  The authorized
         capitalization of the Company consists of 500,000 shares of Ram Common
         Stock, of which, as of the date hereof (and after taking into account
         the redemption of 3,500 shares by the Ram Common Stock as of August
         31, 1997, which transaction is described in Schedule 2.1.10.3 hereto),
         46,500 shares are issued and outstanding and owned beneficially and of
         record by the Shareholder.  On the date hereof,  the Company has no
         outstanding options, warrants, calls or commitments of any character
         relating to any of its authorized but unissued shares of capital
         stock.  All issued and outstanding shares of the Ram Common Stock  are
         validly issued, fully paid and non-assessable and are subject to
         preemptive rights.  None of the outstanding shares of the Ram Common
         Stock are subject to any voting trusts, voting agreement or other
         agreement or understanding with respect to the voting thereof, nor is
         any proxy in existence with respect thereto.

                 2.1.4.  Ownership of the Ram Shares. The Shareholder holds
         good and valid title to all of the Ram Shares, free and clear of all
         Encumbrances.  The Shareholder possess full authority and legal right
         to sell, transfer and assign to Buyer the Ram Shares, free and clear
         of all Encumbrances.  Upon transfer to Buyer by the Shareholder of the
         Ram Shares, subject to any Encumbrances created by Buyer, Buyer will
         own the Ram Shares free and clear of all Encumbrances.  There are no
         claims pending or, to the knowledge of the Shareholder, threatened,
         against  the Company or the Shareholder that concern or affect title
         to the Ram





                                       3
<PAGE>   5
         Shares, or that seek to compel the issuance of capital stock or other
         securities of the Company.

                 2.1.5.   No Subsidiaries.  There is no corporation,
         partnership, joint venture, business trust or other legal entity in
         which  the Company, either directly or indirectly through one or more
         intermediaries, owns or holds beneficial or record ownership of at
         least a majority of the outstanding voting securities.

                 2.1.6.   Financial Statements.  The Shareholder has delivered
         to Buyer a copy of the Company's audited balance sheet for the year
         ended December 31, 1996 (the "12/31 Balance Sheet"), and related
         statements of earnings and retained earnings (collectively, the "12/31
         Financial Statements"), and a copy of the Company's unaudited balance
         sheet (the "Interim Balance Sheet") as at and for the three months
         ended March 31, 1997 (the "Interim Balance Sheet Date"), and related
         income statement (collectively, the "Interim Financial Statements"),
         copies of all of which are attached hereto as Schedule 2.1.6.   The
         12/31 Financial Statements and the Interim Financial Statements are
         complete in all material respects.  The 12/31 Financial Statements
         present fairly the financial condition of the Company as at the dates
         and for the periods indicated and have been prepared in accordance
         with generally accepted accounting principles applied on a consistent
         basis.  The Interim Financial Statements present fairly the financial
         condition of the Company as of the dates and for the periods indicated
         and have been prepared in accordance with generally accepted
         accounting principals applied on a consistent basis, subject only to
         normal year end adjustments consistent with those made on the 12/31
         Financial Statements. The accounts receivable reflected in the Interim
         Balance Sheet, or which have been thereafter acquired by the Company,
         have been collected or are collectible at the aggregate recorded
         amounts thereof.  The inventory of the Company reflected in the
         Interim Balance Sheet, or which has thereafter been acquired by it,
         consists of items of a quality usable and salable in the normal course
         of the Company's business, and the values at which the inventory is
         carried is at the lower of cost or market.

                 2.1.7.   Liabilities. Except as disclosed on Schedule 2.1.7
         and in Schedule 2.1.8.14 hereto,  the Company has no liabilities or
         obligations, either accrued, absolute or contingent, nor does the
         Shareholder have any knowledge of any potential liabilities or
         obligations, other than those (i) reflected or reserved against in the
         Interim Balance Sheet or (ii) incurred in the ordinary course of
         business since the Interim Balance Sheet Date that would materially
         adversely affect the value and conduct of the business of the Company.

                 2.1.8.   Additional Information.  Attached hereto as
         Subschedules to Section 2.1.8 are true, complete and correct lists of
         the following items as of June 30, 1997 (unless otherwise specifically
         noted):

                          2.1.8.1.  Real Estate.  All real property and
                 structures thereon owned, leased or subject to a contract of
                 purchase and sale, or lease commitment, by the Company, with a
                 description of the nature and amount of any  Encumbrances
                 (defined below)





                                       4
<PAGE>   6
                 thereon.  The term "Encumbrances" means all liens, security
                 interests, pledges, mortgages, deed of trust, claims, rights
                 of first refusal, options, charges, restrictions or conditions
                 to transfer or assignment, liabilities, obligations,
                 privileges, equities, easements, rights-of- way, limitations,
                 reservations, restrictions and other encumbrances of any kind
                 or nature;

                          2.1.8.2.  Machinery and Equipment.  All rigs,
                 carriers, rig equipment,  machinery, trucks, trailers and
                 other transportation equipment, vehicles, tools, equipment,
                 furnishings and fixtures and other personal property owned,
                 leased or subject to a contract of purchase and sale, or lease
                 commitment, by the Company with a description of the nature
                 and amount of any Encumbrances thereon;

                          2.1.8.3.  Inventory.  All inventory items or groups
                 of inventory items owned by the Company, excluding raw
                 materials and work in process, which raw materials and work in
                 process are valued on the Interim Balance Sheet, together with
                 the amount of any Encumbrances thereon;

                          2.1.8.4.  Receivables.  All accounts and notes
                 receivable of the Company, together with (i) aging schedules
                 by invoice date and due date, (ii) the amounts provided for as
                 an allowance for bad debts, (iii) the identity and location of
                 any asset in which the Company holds a security interest to
                 secure payment of the underlying indebtedness, and (iv) a
                 description of the nature and amount of any Encumbrances on
                 such accounts and notes receivable;

                          2.1.8.5.  Payables.  All accounts and notes payable 
                 of the Company, all of which are current;

                          2.1.8.6.  Insurance.  All insurance policies or bonds
                 currently maintained by the Company, including title insurance
                 policies, with respect to  the Company, including those
                 covering the Company's properties, rigs, carriers, rig
                 equipment, machinery, trucks, trailers and other
                 transportation equipment and vehicles, fixtures, employees and
                 operations, as well as a listing of any premiums, audit
                 adjustments or retroactive adjustments due or pending on such
                 policies or any predecessor policies;

                          2.1.8.7.  Contracts.  All material contracts,
                 including leases pursuant to which the Company is lessor or
                 lessee, which are to be performed in whole or in part after
                 the date hereof;

                          2.1.8.8.  Employee Compensation Plans.  All bonus,
                 incentive compensation, deferred compensation, profit-sharing,
                 retirement, pension, welfare, group insurance, death benefit,
                 or other employee benefit or fringe benefit plans,
                 arrangements or trust agreements of the Company or any
                 employee benefit plan maintained by the Company, together with
                 copies of the most recent reports with respect to such plans,
                 arrangements, or trust agreements filed with any governmental
                 agency and all





                                       5
<PAGE>   7
                 Internal Revenue Service determination letters and other
                 correspondence from governmental entities that have been
                 received with respect to such plans, arrangements or
                 agreements (collectively, "Employee Plans");

                          2.1.8.9.  Employee Compensation.  The names and
                 levels of compensation of all of the Company's present
                 salaried employees and the pay rates for each category of
                 hourly employees and, to the extent existing on the date of
                 this Agreement, all arrangements with respect to any bonuses
                 to be paid to any of  them from and after the date of this
                 Agreement;

                          2.1.8.10.  Bank Accounts.  The name of each bank in
                 which the Company has an account and the names of all persons
                 authorized to draw thereon;

                          2.1.8.11.  Employee Agreements.  Any collective
                 bargaining agreements of the Company with any labor union or
                 other representative of employees, including amendments,
                 supplements, and written or oral understandings, and all
                 employment and consulting and severance agreements of the
                 Company;

                          2.1.8.12.  Licenses and Permits.  All material
                 permits, authorizations, certificates, approvals,
                 registrations, variances, waivers, exemptions, rights-of-way,
                 franchises, ordinances, licenses and other rights of every
                 kind and character (collectively, the "Permits") of the
                 Company under which it conducts its business;

                          2.1.8.13.   Promissory Notes; Guaranties.  All
                 long-term and short-term promissory notes, installment
                 contracts, loan agreements, credit agreements and any other
                 agreements of the Company relating thereto or with respect to
                 collateral securing the same, together with  all indebtedness,
                 liabilities and commitments of others and as to which the
                 Company is a guarantor, endorser, co-maker, surety, or
                 accommodation maker, or is contingently liable therefor and
                 all letters of credit, whether stand-by or documentary, issued
                 by any third party;

                          2.1.8.14.  Reserves and Accruals.  All accounting
                 reserves and accruals materially affecting the Interim Balance
                 Sheet; and

                          2.1.8.15.  Environment.  All environmental permits,
                 approvals, certifications, licenses, registrations, orders and
                 decrees applicable to current operations conducted by the
                 Company and all environmental audits, assessments,
                 investigations and reviews conducted by the Company within the
                 last five years or otherwise in the Company's possession on
                 any property owned, leased or used by either of the Companies.

                 2.1.9.   No Defaults. Except as described on Schedule 2.1.8.7
         hereto, to the knowledge of Shareholder, the Company is not a party
         to, or bound by, any contract or arrangement of any kind to be
         performed after the date hereof, nor is  the Company in default





                                       6
<PAGE>   8
         in any obligation or covenant on its part to be performed under any
         obligation, lease, contract, order, plan or other arrangement.

                 2.1.10. Absence of Certain Changes and Events.  Other than as
         a result of the transactions contemplated by this Agreement, since the
         Interim Balance Sheet Date, there has not been:

                          2.1.10.1.  Financial Change.  Any material adverse
                 change in the financial condition, backlog, operations,
                 assets, liabilities or business of  the Company;

                          2.1.10.2.  Property Damage.  Any material damage,
                 destruction, or loss to the business or properties of  the
                 Company (whether or not covered by insurance);

                          2.1.10.3.  Distributions.  Any declaration, setting
                 aside, or payment of any dividend or other distribution in
                 respect of the Ram Common Stock, or any direct or indirect
                 redemption, purchase or any other acquisition by the Company
                 of any such stock, except as disclosed on Schedule 2.1.10.3
                 hereto;

                          2.1.10.4.  Capitalization Change.  Any change in the
                 capital stock or in the number of shares or classes of the
                 Company's authorized or outstanding capital stock as described
                 in Section 2.1.3 hereof;

                          2.1.10.5.  Labor Disputes.  Any labor or employment
                 dispute of whatever nature; or

                          2.1.10.6.  Other Material Changes.  Any other event
                 or condition known to the Shareholder particularly pertaining
                 to and materially adversely affecting the operations, assets
                 or business of the Company.

                 2.1.11.  Taxes.  All federal, state and local income, value
         added, sales, use, franchise, gross revenue, turnover, excise,
         payroll, property, employment, customs, duties and any and all other
         tax returns, reports, and estimates have been filed with appropriate
         governmental agencies, domestic and foreign, by the Company for each
         period for which any such returns, reports, or estimates were due
         (taking into account any extensions of time to file before the date
         hereof); all such returns are true and correct; the Company has only
         done business in New Mexico and Texas; all taxes shown by such returns
         to be payable and any other taxes due and payable have been paid other
         than those being contested in good faith by the Company; and the tax
         provisions reflected in the Interim Balance Sheet are adequate, in
         accordance with generally accepted accounting principles, to cover
         liabilities of the Company at the date thereof for all taxes,
         including any assessed interest, assessed penalties and additions to
         taxes of any character whatsoever applicable to the Company or its
         assets or business; provided, however, no income tax accrual was made
         on the Interim Balance Sheet.  No waiver of any statute of limitations
         executed by the Company with respect to any income or other tax is in
         effect for any period.  The income tax returns of the Company have





                                       7
<PAGE>   9
         never been examined by the Internal Revenue Service or the taxing
         authorities of any other jurisdiction.  There are no tax liens on any
         assets of  the Company except for taxes not yet currently due. The
         Company is not subject to any tax-sharing or allocation agreement.
         Except as it relates to an allocation of tax attributes between the
         Company and Rowland, the Company is not, and since 1985 has not been
         a Subchapter S-Corporation under the Internal Revenue Code of 1986, as
         amended.  The Company is not and never  has been, a member of a
         consolidated group subject to Treasury Regulation 1.1502-6 or any
         similar provision.

                 2.1.12.  Intellectual Property. To the Shareholder's
         knowledge, the Company  owns or possesses licenses to use  all
         patents, patent applications, trademarks or service marks (including
         representations and applications therefor), trade names, copyrights or
         written know how, trade secrets or similar proprietary data or the
         goodwill associated therewith (collectively, the "Intellectual
         Property") that are either material to the business of the Company or
         that are necessary for the rendering of any services rendered by the
         Company and the use or sale of any equipment or products used or sold
         by the Company.  The Company has not received any notice of
         infringement, misappropriation or conflict with, the Intellectual
         Property rights of others.

                 2.1.13.  Title to and Condition of Assets. The Company has
         good, indefeasible and marketable title to all its properties,
         interests in properties and assets, real and personal, reflected in
         the Interim Balance Sheet or in the Subschedules to Section 2.1.8
         hereto, free and clear of any Encumbrance of any nature whatsoever,
         except (i) Encumbrances reflected in the Interim Balance Sheet or in
         the Subschedules to Section 2.1.8 hereto, (ii) liens for current taxes
         not yet due and payable, and (iii) such imperfections of title,
         easements and Encumbrances, if any, as are not substantial in
         character, amount, or extent and do not and will not materially
         detract from the value, or interfere with the present use, of the
         property subject thereto or affected thereby, or otherwise materially
         impair the business operations of the Company.  All leases pursuant to
         which   the Company leases (whether as lessee or lessor) any real or
         personal property are in good standing, valid, and effective; and
         there is not, under any such leases, any existing default or event of
         default or, to the knowledge of the Shareholder, event which with
         notice or lapse of time, or both, would constitute a default by the
         Company and in respect to which the  Company has not taken adequate
         steps to prevent a default from occurring.  The buildings and premises
         of  the Company that are used in its business are in good operating
         condition and repair, subject only to ordinary wear and tear.  All
         machinery, trucks, trailers and other transportation equipment and
         vehicles, tools and other major items of equipment of the Company are
         in good operating condition and in a state of reasonable maintenance
         and repair, ordinary wear and tear excepted, and, to the knowledge of
         the Shareholder, are free from any known defects, except as may be
         repaired by routine maintenance and such minor defects as to not
         substantially interfere with the continued use thereof in the conduct
         of normal operations and all such assets conform to all applicable
         laws governing their use.  No notice of any violation of any law,
         statute, ordinance or regulation relating to any such assets has been
         received by the Company or the Shareholder, except such as have been
         fully complied with.





                                       8
<PAGE>   10
                 2.1.14. Contracts.  All contracts, leases, plans or other
         arrangements to which the Company is a party, by which it is bound or
         to which the Company or its assets are subject are in full force and
         effect, and constitute valid and binding obligations of the Company.
         The Company is not, and, to the knowledge of the Shareholder, no other
         party to any such contract, lease, plan or other arrangement is, in
         default thereunder, and no event has occurred which (with or without
         notice, lapse of time, or the happening of any other event) would
         constitute a default thereunder.  No contract has been entered into on
         terms which could reasonably be expected to have a material adverse
         effect on  the Company.   The  Shareholder has not received any
         information which would cause the Shareholder to conclude that any
         customer representing annual revenues of $100,000 or more  to the
         Company will (or is likely to) cease doing business with the Company
         (or its successors) as a result of the consummation of the
         transactions contemplated hereby.

                 2.1.15.  Licenses and Permits.  The Company possesses all
         Permits necessary under law or otherwise for the Company to conduct
         its business as now being conducted and to construct, own, operate,
         maintain and use its assets in the manner in which they are now being
         constructed, operated, maintained and used, including all such Permits
         listed in Schedule 2.1.8.12 hereto (collectively, the "Required
         Permits"). To the knowledge of the Shareholder, each of the Required
         Permits and the Company's rights with respect thereto is valid and
         subsisting, in full force and effect, and enforceable by the Company
         subject to administrative powers of regulatory agencies having
         jurisdiction. To the knowledge of the Shareholder, the Company is in
         compliance in all respects with the terms of each of the Required
         Permits.  None of the Required Permits have been, or to the knowledge
         of the Shareholder, is threatened to be, revoked, canceled, suspended
         or modified.

                 2.1.16.  Litigation.  Except as set forth in Schedule 2.1.16
         hereto, there is no suit, action, or legal, administrative,
         arbitration or other proceeding or governmental investigation pending
         to which the Company is a party or, to the knowledge of the
         Shareholder, might become a party or which particularly affects the
         Company  or its assets, nor is any change in the zoning or building
         ordinances directly affecting the real property or leasehold interests
         the Company, pending or, to the knowledge of the Shareholder,
         threatened.

                 2.1.17.  Environmental Compliance.

                          2.1.17.1.  Environmental Conditions.  Except as set
                 forth in Schedule 2.1.17.1 hereto, there are no environmental
                 conditions or circumstances, including, without limitation,
                 the presence or release of any Substance of Environmental
                 Concern as defined below, on any property presently or
                 previously owned, leased or operated by  the Company, or on
                 any property to which any Substance of Environmental Concern
                 or waste generated by the Company's operations or use of its
                 assets were disposed of, which would have a material adverse
                 effect on the business or business prospects of the Company.
                 The term "Substance of Environmental Concern" means (a) any
                 gasoline, petroleum (including crude oil or any fraction
                 thereof), petroleum product, polychlorinated biphenyls,
                 urea-formaldehyde insulation, asbestos, pollutant,





                                       9
<PAGE>   11
                 contaminant, radiation and any other substance of any kind,
                 whether or not any such substance is defined as toxic or
                 hazardous under any Environmental Law (as defined in Section
                 2.1.17.3 hereof), that is regulated pursuant to or could give
                 rise to liability under any Environmental Law;

                          2.1.17.2.  Permits, etc. The Company has, and within
                 the period of all applicable statute of limitations has had,
                 in full force and effect all environmental Permits required to
                 conduct its operations, and is, within the period of all
                 applicable statutes of limitations has been, operating in
                 compliance thereunder;

                          2.1.17.3.  Compliance. The Company's operations and
                 use of its  assets are, and within the period of all
                 applicable statutes of limitations, have been in compliance
                 with applicable Environmental Law.   "Environmental Law" as
                 used herein means any and all laws, rules, orders,
                 regulations, statutes, ordinances, codes, decrees, and other
                 legally enforceable requirements (including, without
                 limitation, common law) of the United States, or any State,
                 local, municipal or other governmental authority or
                 quasi-governmental authority, regulating, relating to, or
                 imposing liability or standards of conduct concerning
                 protection of the environmental or of human health, or
                 employee health and safety as from time to time has been or is
                 now in effect.

                          2.1.17.4.   Environmental Claims.  No notice has been
                 received by the Company or the Shareholder from any entity,
                 governmental agency or individual regarding any existing,
                 pending or threatened investigation, inquiry, enforcement
                 action.  litigation, or liability, including, without
                 limitation any claim for remedial obligations, response costs
                 or contribution, relating to any Environmental Law;

                          2.1.17.5.   Enforcement.  The Company, and to the
                 knowledge of the Shareholder, no predecessor of the Company or
                 other party acting on behalf of the Company, has entered into
                 or agreed to any consent, decree, order, settlement or other
                 agreement, nor is subject to any judgment, decree, order or
                 other agreement, in any judicial, administrative, arbitral, or
                 other forum, relating to compliance with or liability under
                 any Environmental Law;

                          2.1.17.6.   Liabilities.  The Company has not
                 assumed or retained, by contract or operation of law, any
                 liabilities of any kind, fixed or contingent under any
                 Environmental Law;

                          2.1.17.7.  Renewals.  The Shareholder does not know
                 of any reason why the Company (or its successors) would not be
                 able to renew without material expense any of the permits,
                 licenses, or other authorizations required pursuant to any of
                 the  Environmental Law to conduct and use any of  the
                 Company's current or planned operations; and





                                       10
<PAGE>   12
                          2.1.17.8.  Asbestos and PCBs.  No material amounts of
                 friable asbestos currently exist on any property owned or
                 operated by the Company , nor do polychlorinated biphenyls
                 exist in concentrations of 50 parts per million or more in
                 electrical equipment owned or  being used by the Company in
                 its operations or on its properties.

                 2.1.18.  Compliance with Other Laws. To the knowledge of the
         Shareholder, the Company is not in violation of or in default with
         respect to, or in alleged violation of or alleged default with respect
         to, the Occupational Safety and Health Act (29 U.S.C. Sections 651 et
         seq.) as amended, or any other applicable law or any applicable rule,
         regulation, or any writ or decree of any court or any governmental
         commission, board, bureau, agency, or instrumentality, or delinquent
         with respect to any report required to be filed with any governmental
         commission, board, bureau, agency or instrumentality.

                 2.1.19.  ERISA Plans or Labor Issues.  Except as reflected in
         Schedule 2.1.8.8 hereto, the Company does not currently sponsor,
         maintain or contribute to and has not at any time sponsored,
         maintained or contributed to any employee benefit plan which is or was
         subject to any provisions of the Employee Retirement Income Security
         Act of 1974, as amended ("ERISA").  The Company has not engaged in any
         unfair labor practices which could reasonably be expected to result in
         a material adverse effect on its operations or assets.  There are no
         labor disputes or, to the knowledge of the Shareholder, any disputes
         threatened by current or former employees of the Company.  As to each
         Employee Plan:

                          (i)     For purposes of this Section 2.1.19, all
                 references to the Company shall be deemed to refer to the
                 Company and any trade or business, whether or not
                 incorporated, which together with the Company would be deemed
                 or treated as a "single employer" with the meaning of Code
                 Section 414 or ERISA Section 4001.  None of the Employee Plans
                 (i) is subject to Title IV of ERISA or the minimum funding
                 requirements of Section 412 of the Code of Section 302 of
                 ERISA, (ii) is a plan of the type described in Section 4063 of
                 ERISA or Section 413(c) of the Code, (iii) is a "multiemployer
                 plan" (as defined in Section 3(37) of ERISA), (iv) provides
                 for medical, life or other types of insurance benefits to
                 current or future retired or former employees of the Company
                 (other than as required for Consolidated Omnibus
                 Reconciliation Act of 1985, as amended ("COBRA") continuation
                 coverage under Code Section 4980B or similar state law), (v)
                 obligates the Company to pay any severance or similar benefits
                 solely as a result of a change in control or ownership of the
                 Company, or (vi) is a "voluntary employees' beneficiary
                 association" with the meaning of Code Section 501(c)(9).

                          (ii)    Each Employee Plan complies with and has been
                 administered in form and in operation in compliance with all
                 applicable laws include, without limitation, ERISA, the
                 Internal Revenue Code of 1986, as amended (the "Code") and
                 COBRA, and the Shareholder has not received any notice from
                 any governmental authority questioning or challenging such
                 compliance;





                                       11
<PAGE>   13
                          (iii)   The Company's administration and operation of
                 the Employee Plans has not been conducted in such a manner as
                 would give rise to any material fines, penalties, taxes,
                 claims or charges against the Company by a governmental entity
                 or any third party or otherwise result in a material adverse
                 effect on the Company's financial condition.

                          (iv)    Funding of the Ram Oil Well Service, Inc.
                 401(k) Plan is in the sole discretion of the Company
                 regardless of past funding practices, and the Ram Oil Well
                 Service, Inc. 401(k) Plan may be terminated at any time
                 without liability to the Company other than the obligation to
                 distribute the funds held by the Ram Oil Well Service, Inc.
                 401(k) Plan in accordance with the provisions thereof;

                          (v)     There has been no event or condition which
                 presents a material risk of termination of any Employee Plan
                 of the Company;

                          (vi)    The execution, delivery and performance of
                 this Agreement will not cause any Employee Plan of the Company
                 to be terminated or otherwise adversely affect the
                 administration or operation thereof.  The Company's
                 administration of its Employee Plans following the date hereof
                 in the same manner as such plans were administered by the
                 Company prior to the Closing will not violate any applicable
                 laws or otherwise result in a material adverse effect on the
                 financial condition of the Company;

                          (vii)   Except as would not cause a material adverse
                 effect, each Employee Plan which is intended to be qualified
                 under Code Section 401(a), (i) has been timely amended to
                 reflect all requirements of the Tax Reform Act of 1986 and all
                 subsequent federal legislation which is required to be adopted
                 prior to the date hereof and (ii) has received from the
                 Internal Revenue Service a favorable determination letter
                 which considers the terms of the Employee Plan as amended for
                 such tax law changes, or is within the remedial amendment
                 period for seeking such favorable determination letter.
                 Nothing has occurred since the date of the most recent
                 determination letter that would adversely affect the qualified
                 status of each such Employee Plan or the tax-exempt status of
                 any related trust;

                          (viii)  During the five years preceding the date
                 hereof (i) no under-funded pension plan subject to Title IV of
                 ERISA or the minimum funding requirements of Code Section 412
                 or ERISA Section 302 has been transferred out of the Company
                 and (ii) the Company has not participated in or contributed
                 to, or had an obligation to participate in or contribute to,
                 any multiemployer plan (as defined in ERISA Section 3(37));

                          (ix)    The Company has not incurred, and has no
                 reason to expect that it will incur, any liability to the
                 Internal Revenue Service, the Department of Labor, the Pension
                 Benefit Guaranty Corporation (PBGC), or to any multiemployer
                 plan, or





                                       12
<PAGE>   14
                 otherwise under Title IV of ERISA (including any withdrawal
                 liability), or otherwise under ERISA or the Code, with respect
                 to any Employee Plan that the Company maintains or contributes
                 to, or had an obligation to contribute to;

                          (x)     Consistent with applicable laws, the Company
                 may amend or terminate any Employee Plan at any time without
                 the consent of any participant therein or any other person.

                 2.1.20.  Investigations; Litigation.  Neither the Shareholder
         nor the Company has received any notice or other indication that any
         investigation or review by any governmental entity with respect to
         the Company or any of the transactions contemplated by this Agreement
         is pending. To the knowledge of the Shareholder, no investigation or
         review by any governmental entity with respect to the Company or any
         transaction contemplated by this Agreement is threatened, nor has any
         governmental entity indicated to  the Company an intention to conduct
         the same, and there is no action, suit or proceeding pending or, to
         the knowledge of the Shareholder, threatened against or affecting  the
         Company at law or in equity, or before any federal, state, municipal
         or other governmental department, commission, board, bureau, agency or
         instrumentality, that either individually or in the aggregate, does or
         is likely to result in any material adverse change in the financial
         condition, properties or business of the Company.

                 2.1.21.  No Trade Names.  There are no trade names, assumed
         names and fictitious names used or held by the Company.

                 2.1.22   Absence of Certain Business Practices. To the
         knowledge of the Shareholder, neither the Company nor any officer,
         employee or agent of the Company, nor any other person acting on their
         behalf, has directly or indirectly, within the past five years, given
         or agreed to give any gift or similar benefit to any customer,
         supplier, government employee or other person who is or may be in a
         position to help or hinder the business of the Company  (or to assist
         the Company in connection with any actual or proposed transaction)
         which (i) might subject the Company to any damage or penalty in any
         civil, criminal or governmental litigation or proceeding, (ii) if not
         given in the past, might have had a material adverse effect on the
         assets, business or operations of the Company as reflected in the
         Interim Balance Sheet, or (iii) if not continued in the future, might
         materially adversely effect the assets, business operations or
         prospects of  the Company or which might subject the Company to suit
         or penalty in a private or governmental litigation or proceeding.

                 2.1.23.   No Untrue Statements.  The Company and the
         Shareholder have made available to Buyer true, complete and correct
         copies of all contracts, documents concerning all litigation and
         administrative proceedings, licenses, permits, insurance policies,
         lists of suppliers and customers, and records relating principally to
         the Company's assets and business, and such information covers all
         commitments and liabilities of the Company relating to its business or
         assets, as contemplated in the terms of this Agreement.  This
         Agreement and the agreements and instruments to be entered into in
         connection herewith do





                                       13
<PAGE>   15
         not include any untrue statement of a material fact or omit to state
         any material fact necessary to make the statements made herein and
         therein not misleading in any material respect.

                 2.1.24.  Consents and Approvals.  No consent, approval or
         authorization of, or filing or registration with, any governmental or
         regulatory authority, or any other person or entity other than the
         Shareholder, is required to be made or obtained by the Company or the
         Shareholder in connection with the execution, delivery or performance
         of this Agreement or the consummation of the transactions contemplated
         hereby.

                 2.1.25.  Finder's Fee.  All negotiations relative to this
         Agreement and the transactions contemplated hereby have been carried
         on by the Shareholder and his counsel directly with Buyer and its
         counsel, without the intervention of any other person in such manner
         as to give rise to any valid claim against any of the parties hereto
         for a brokerage commission, finder's fee or any similar payments.

         2.2.  Representations and Warranties of Buyer. Buyer represents and
warrants to the Shareholder as follows

                 2.2.1.  Organization and Good Standing.  Buyer is a
         corporation duly organized, validly existing and in good standing
         under the laws of the State of Texas, has full requisite corporate
         power and authority to carry on its business as it is currently
         conducted, and to own and operate the properties currently owned and
         operated by it, and is duly qualified or licensed to do business and
         is in good standing as a foreign corporation authorized to do business
         in all jurisdictions in which the character of the properties owned or
         the nature of the business conducted by it would make such
         qualification or licensing necessary, except where the failure to be
         so qualified or licensed would not have a material adverse effect on
         its financial condition, properties or business.

                 2.2.2.  Agreement Authorized and its Effect on Other
         Obligations.  The consummation of the transactions contemplated hereby
         have been duly and validly authorized by all necessary corporate
         action on the part of Buyer, and this Agreement is a valid and binding
         obligation of Buyer enforceable (subject to normal equitable
         principles) in accordance with its terms, except as enforceability may
         be limited by bankruptcy, insolvency, reorganization, debtor relief or
         similar laws affecting the rights of creditors generally.  The
         execution, delivery and performance of this Agreement by Buyer will
         not conflict with or result in a violation or breach of any term or
         provision of, or constitute a default under (a) the Certificate of
         Incorporation or Bylaws of Buyer or (b) any obligation, indenture,
         mortgage, deed of trust, lease, contract or other agreement to which
         Buyer or any of its property is bound.

                 2.2.3.  Consents and Approvals.   No consent, approval or
         authorization of, or filing of a registration with, any governmental
         or regulatory authority, or any other person or entity is required to
         be made or obtained by Buyer in connection with the execution,
         delivery or





                                       14
<PAGE>   16
         performance of this Agreement or the consummation of the transactions
         contemplated hereby.

                 2.2.4.  Finder's Fee.  All negotiations relative to this
         Agreement and the transactions contemplated hereby have been carried
         on by Buyer and its counsel directly with the Company and the
         Shareholder and their counsel, without the intervention by any other
         person as the result of any act of Buyer in such a manner as to give
         rise to any valid claim against any of the parties hereto for any
         brokerage commission, finder's fee or any similar payments.

                                   ARTICLE 3

                             ADDITIONAL AGREEMENTS

         3.1.    Noncompetition.  Except as otherwise consented to or approved
in writing by Buyer, the Shareholder agrees that for a period of 60 months from
the date hereof, he will not, directly or indirectly, acting alone or as a
member of a partnership or as an officer, director, employee, consultant,
representative, holder of, or investor in as much as 5% of any security of any
class of any corporation or other business entity (i) engage in competition
with the business or businesses conducted by the Company, or in the business of
providing property maintenance and workover services to operators of oil and
gas wells, the contract drilling and completion of oil and gas wells or the
production of oil and natural gas, or in any other oil and gas well service
business of the nature that are provided and marketed by the Company, Buyer or
any affiliate of Buyer on the date hereof in any state of the United States, or
any foreign country in which the Company , Buyer or any affiliate of Buyer
transacts business on the date hereof; (ii) request any present customers or
suppliers of the Company to curtail or cancel their business with the Company,
Buyer or any affiliate of Buyer; (iii) disclose to any person, firm or
corporation any trade, technical or technological secrets of the Company, Buyer
or any affiliate of Buyer or any details of their organization or business
affairs or (iv) induce or actively attempt to influence any employee of the
Company, Buyer or any affiliate of Buyer to terminate his employment.  The
Shareholder agrees that if either the length of time or geographical area set
forth in this Section 3.1 is deemed too restrictive in any court proceeding,
the court may reduce such restrictions to those which it deems reasonable under
the circumstances.  The obligations expressed in this Section 3.1 are in
addition to any other obligations that the Shareholder may have under the laws
of the states in which he does business requiring an employee of a business or
a shareholder who sells his stock in a corporation (including a disposition in
a merger) to limit his activities so that the goodwill and business relations
of his employer and of the corporation whose stock he has sold (and any
successor corporation) will not be materially impaired.  The Shareholder
further agrees and acknowledges that the Company, Buyer and its affiliates do
not have any adequate remedy at law for the breach or threatened breach by the
Shareholder of this covenant, and agrees that the Company, Buyer or any
affiliate of Buyer may, in addition to the other remedies which may be
available to it hereunder, file a suit in equity to enjoin the Shareholder from
such breach or threatened breach.  If any provisions of this Section 3.1 are
held to be invalid or against public policy, the remaining provisions shall not
be affected thereby.  The





                                       15
<PAGE>   17
Shareholder acknowledges that the covenants set forth in this Section 3.1 are
being executed and delivered by the Shareholder in consideration of the
covenants of Buyer contained in this Agreement, the payment of the sum of
$13,000 as specified in Section 1.1 hereof and for other good and valuable
consideration, receipt of which is hereby acknowledged.

         3.2.     Further Assurances.  From time to time, as and when requested
by any party hereto, any other party hereto shall execute and deliver, or cause
to be executed and delivered, such documents and instruments and shall take, or
cause to be taken, such further or other actions as may be reasonably necessary
to effectuate the transactions contemplated hereby.

         3.3.    Lease of Real Property from the Shareholder.  The Shareholder
agrees that he will, on or before the consummation of the purchase and sale of
the Ram Shares pursuant to the terms of this Agreement, lease the real property
and improvements described on Schedule 2.1.8.1 hereto to the Company pursuant
to the terms and conditions and for the consideration set forth in a lease
agreement agreed upon between the Shareholder and the Buyer.

         3.4.    Rowland Agreement.  The Shareholder and the Buyer agree that
their obligations under this Agreement (including Shareholder's obligations
under Section 3.3) are expressly conditioned upon the contemporaneous
consummation of the transactions contemplated by the Rowland Agreement and that
neither transaction (or the Shareholder's obligations under Section 3.3) will
be consummated unless both transactions are consummated contemporaneously
(unless otherwise mutually agreed by the parties hereto).

         3.5.    Closing Balance Sheets.  The Shareholder has caused to be
delivered to Buyer balance sheets of Rowland and the Company as of August 31,
1997 ("Closing Balance Sheets") in the form of those attached hereto as
Schedule 3.5 which reflect the total assets of the Company and Rowland to be
less than $10,000,000 in the aggregate.  The Closing Balance Sheets have been
prepared in a manner consistent with the prior regularly prepared monthly
financial statements of the Company and Rowland, taking into account the timing
of their preparation and the bonuses and the redemption referred to in Section
1.3 hereof and the withdrawal referred to in Section 1.3 of the Rowland
Agreement.

         3.6.    Release of Guaranties.  Buyer agrees that it will secure the
release of the Shareholder from his personal guaranty executed in conjunction
with the letter of credit listed on Schedule 2.1.8.13 hereto within 30 days
following the date hereof.

                                   ARTICLE 4

                                INDEMNIFICATION

         4.1.    Indemnification by the  Shareholder.  In addition to any other
remedies available to Buyer under this Agreement, or at law or in equity, the
Shareholder shall indemnify, defend and hold harmless the Company, Buyer and
their affiliates and their respective officers, directors, employees, agents
and stockholders (collectively, the "Buyer Indemnified Parties"), against and
with respect to





                                       16
<PAGE>   18
any and all claims, costs, damages, losses, expenses, obligations, liabilities,
recoveries, suits, causes of action and deficiencies, including interest,
penalties and reasonable fees and expenses of attorneys, consultants and
experts (collectively, the "Damages") in excess of $230,000 in the aggregate
that the Buyer Indemnified Parties shall incur or suffer, which arise, result
from or relate to any breach by the Shareholder of (or the failure of the
Shareholder to perform) his representations, warranties, covenants or
agreements in this Agreement and/or in the Rowland Agreement or in any
schedule, certificate, exhibit or other instrument furnished or delivered to
Buyer by the Shareholder under this Agreement and/or the Rowland Agreement;
provided, however, under no circumstances shall the Shareholder's liability
under this Section 4.1 and under Section 4.1 of the Rowland Agreement exceed
the total purchase price payable by Buyer to the Shareholder under this
Agreement and the Rowland Agreement..

         4.2.    Indemnification by Buyer.  In addition to any other remedies
available to the Shareholder under this Agreement, or at law or in equity,
Buyer shall indemnify, defend and hold harmless the Shareholder against and
with respect to any and all Damages in excess of $230,000 in the aggregate that
the Shareholder shall incur or suffer, which arise, result from or relate to
(a) any breach of, or failure by Buyer to perform, any of its representations,
warranties, covenants or agreements in this Agreement or in the Rowland
Agreement or in any schedule, certificate, exhibit or other instrument
furnished or delivered to the Shareholder by or on behalf of Buyer under this
Agreement or the Rowland Agreement or (b) liabilities incurred by the
Shareholder which  arise solely and completely out of events occurring in the
operation of the Company by the Buyer on or after the date of this Agreement
unless such liabilities are of the liabilities specified in Section 4.1 hereof
for which the Shareholder has agreed to indemnify the Buyer Indemnified
Parties.  Buyer further agrees that any damages realized by the Shareholder as
a result of Buyer's breach of its obligation under Section 3.6 above or
subparagraph (b) of this Section 4.2 shall not be subject to the $230,000
threshold specified above.

         4.3.    Indemnification Procedure.  If any party hereto discovers or
otherwise becomes aware of one or more indemnification claims in excess of
$230,000 arising under Sections 4.1 and 4.2 of this Agreement or under the
Rowland Agreement, such indemnified party shall give written notice to the
indemnifying party, specifying such claim, and may thereafter exercise any
remedies available to such party under this Agreement or under the Rowland
Agreement; provided, however, that the failure of any indemnified party to give
notice as provided herein shall not relieve the indemnifying party of any
obligations hereunder, to the extent the indemnifying party is not materially
prejudiced thereby.  Further, promptly after receipt by an indemnified party
hereunder of written notice of the commencement of any action or proceeding
with respect to which a claim for indemnification may be made pursuant to
Sections 4.1 and 4.2 hereof, such indemnified party shall, if a claim in
respect thereof is to be made against any indemnifying party, give written
notice to the latter of the commencement of such action; provided, however,
that the failure of any indemnified party to give notice as provided herein
shall not relieve the indemnifying party of any obligations hereunder, to the
extent the indemnifying party is not materially prejudiced thereby.  In case
any such action is brought against an indemnified party, the indemnifying party
shall be entitled to participate in and to assume the defense thereof, jointly
with any other indemnifying party similarly notified, to the extent that it may
wish, with counsel reasonably satisfactory to such indemnified party, and after





                                       17
<PAGE>   19
such notice from the indemnifying party to such indemnified party of its
election so to assume the defense thereof, the indemnifying party shall not be
liable to such indemnified party for any legal or other expenses subsequently
incurred by the latter in connection with the defense thereof unless the
indemnifying party has failed to assume the defense of such claim and to employ
counsel reasonably satisfactory to such indemnified person.  An indemnifying
party who elects not to assume the defense of a claim shall not be liable for
the fees and expenses of more than one counsel in any single jurisdiction for
all parties indemnified by such indemnifying party with respect to such claim
or with respect to claims separate but similar or related in the same
jurisdiction arising out of the same general allegations.  Notwithstanding any
of the foregoing to the contrary, the indemnified party will be entitled to
select its own counsel and assume the defense of any action brought against it
if the indemnifying party fails to select counsel reasonably satisfactory to
the indemnified party, the expenses of such defense to be paid by the
indemnifying party.  No indemnifying party shall consent to entry of any
judgment or enter into any settlement with respect to a claim without the
consent of the indemnified party, which consent shall not be unreasonably
withheld, or unless such judgment or settlement includes as an unconditional
term thereof the giving by the claimant or plaintiff to such indemnified party
of a release from all liability with respect to such claim.  No indemnified
party shall consent to entry of any judgment or enter into any settlement of
any such action, the defense of which has been assumed by an indemnifying
party, without the consent of such indemnifying party, which consent shall not
be unreasonably withheld or delayed.

                                   ARTICLE 5

                                 MISCELLANEOUS

         5.1.    Survival of Representations, Warranties and Covenants. All
representations, warranties, covenants and agreements made by the parties
hereto shall survive until August 31, 1999, notwithstanding any investigation
made by or on behalf of any of the parties hereto; provided, however, that the
representations and warranties contained in Section 2.1.11 hereof shall survive
until the expiration of the applicable statute of limitations associated with
tax issues.  All statements contained in any certificate, schedule, exhibit or
other instrument delivered pursuant to this Agreement shall be deemed to have
been representations and warranties by the respective party or parties, as the
case may be, and shall also survive until August 31, 1999 despite any
investigation made by any party hereto or on its behalf.  All covenants and
agreements contained herein shall survive as provided in this Agreement.

         5.2.    Entirety.  This Agreement embodies the entire agreement among
the parties with respect to the subject matter hereof, and all prior agreements
between the parties with respect thereto are hereby superseded in their
entirety.

         5.3.    Counterparts.  Any number of counterparts of this Agreement
may be executed and each such counterpart shall be deemed to be an original
instrument, but all such counterparts together shall constitute but one
instrument.





                                       18
<PAGE>   20
         5.4.    Notices and Waivers.  Any notice or waiver to be given to any
party hereto shall be in writing and shall be delivered by courier, sent by
facsimile transmission or first class registered or certified mail, postage
prepaid, return receipt requested:

                                  IF TO BUYER

       Addressed to:                        With a copy to:

       Yale E. Key, Inc.                    Key Energy Group, Inc.
       P. O. Box 10627                      Two Tower Center, Tenth Floor
       Midland, Texas 79702                 East Brunswick, New Jersey 08816
       Attn: President                      Attn: General Counsel
       Facsimile: (915) 570-8990            Facsimile: (908) 247-5148
                                            
                                            and
                                            
                                            Lynch, Chappell & Alsup
                                            300 N. Marienfeld, Suite 700
                                            Midland, Texas 79701
                                            Attn: James M. Alsup
                                            Facsimile: (915) 683-2587

                                 IF TO THE SHAREHOLDER

       Addressed to:                        With a copy to:
                                            
       Robert D. Calhoon                    Maddox Law Firm
       Star Route 1, Box 45L                P. O. Box 2508
       Strawn, Texas 76475                  Hobbs, New Mexico 88241-2508
                                            Attn: Mr. James M. Maddox
                                            Facsimile: (505) 397-2646

         Any communication so addressed and mailed by first-class registered or
certified mail, postage prepaid, with return receipt requested, shall be deemed
to be received on the third business day after so mailed, and if delivered by
courier or facsimile to such address, upon delivery during normal business
hours on any business day.

         5.5.    Table of Contents and Captions.  The table of contents and
captions contained in this Agreement are solely for convenient reference and
shall not be deemed to affect the meaning or interpretation of any article,
section or paragraph hereof.

         5.6.    Successors and Assigns.  This Agreement shall be binding upon
and shall inure to the benefit of and be enforceable by the successors and
assigns of the parties hereto.





                                       19
<PAGE>   21
         5.7.    Severability.  If any term, provision, covenant or restriction
of this Agreement is held by a court of competent jurisdiction to be invalid,
void or unenforceable, the remainder of the terms, provisions, covenants and
restrictions shall remain in full force and effect and shall in no way be
affected, impaired or invalidated.  It is hereby stipulated and declared to be
the intention of the parties that they would have executed the remaining terms,
provisions, covenants and restrictions without including any of such which may
be hereafter declared invalid, void or unenforceable.

         5.8.    Applicable Law.  This Agreement shall be governed by and
construed and enforced in accordance with the applicable laws of the State of
New Mexico.



                            [SIGNATURE PAGE FOLLOWS]





                                       20
<PAGE>   22
         IN WITNESS WHEREOF, the Shareholder has executed this Agreement and
the Buyer has caused this Agreement to be signed in its corporate name by its
duly authorized representative, all as of the day and year first above written.


                                        YALE E. KEY, INC.


                                        By: /s/ C. RON LAIDLEY
                                           -------------------------------------
                                           C. Ron Laidley, President


                                        SHAREHOLDER

                                        /s/ ROBERT D. CALHOON
                                        ----------------------------------------
                                        Robert D. Calhoon





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