TUBOSCOPE VETCO INTERNATIONAL CORP
8-K, 1996-10-07
OIL & GAS FIELD SERVICES, NEC
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<PAGE>
 
                      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 20, 1996



                   TUBOSCOPE VETCO INTERNATIONAL CORPORATION
             (Exact name of registrant as specified in its charter)


      Delaware                       0-18312               76-0252850
(State or other jurisdiction       (Commission           (IRS Employer
    of incorporation)              File Number)        Identification No.)
 

2835 Holmes Road, Houston, Texas                 77051
(Address of principal executive offices)      (Zip Code)


                                (713) 799-5100
             (Registrant's telephone number, including area code)
         -------------------------------------------------------------
         (Former name or former address, if changed since last report)


                                                      Total Number of Pages:  37
                                                                             ---
                                                Exhibit Index Located at Page  4
                                                                              --

                                       1
<PAGE>
 
                    INFORMATION TO BE INCLUDED IN THE REPORT

ITEM 2.  ACQUISITION OR DISPOSITION OF ASSETS.

         On September 20, 1996, pursuant to that certain Stock Purchase and Sale
Agreement dated as of September 6, 1996, that certain Addendum No. 1 to the
Stock Purchase and Sale Agreement dated as of September 20, 1996 and that
certain Addendum No. 2 to the Stock Purchase and Sale Agreement dated as of
September 20, 1996 (copies of which are attached hereto as Exhibits 2.1, 2.2 and
2.3, respectively), Tuboscope Vetco International Corporation (the "Company"),
through its subsidiaries, acquired all of the outstanding shares of capital
stock of Vetco Pipeline Services, Inc. ("Vetco Pipeline") for an aggregate
purchase price of $8.5 million in cash plus additional earnout consideration
contingent upon the realization of gross profit from certain contracts.

         Vetco Pipeline provides pipeline inspection services via the use of
sophisticated, intelligent "Pigs" that are propelled through the pipelines to
locate corrosion and other defects.  The Company works closely with pipeline
operators to identify defects which can create safety and environmental hazards.
Inspection through intelligent pigging is a critical component of pipeline
integrity management.

ITEM 7.  FINANCIAL STATEMENTS, PRO FORMA FINANCIAL INFORMATION AND EXHIBITS.

         (a)  Financial Statements of Vetco Pipeline Services, Inc.

              It is impracticable to provide the required financial statement at
              the time of the filing of this report. The required financial
              statements will be filed within 60 days of the date hereof.

         (b)  Pro Forma Financial Information.

              It is impracticable to provide the required pro forma financial
              information at the time of the filing of this report. The required
              pro forma financial information will be filed within 60 days of
              the date hereof.

         (c)  Exhibits.

         2.1  Stock Purchase and Sale Agreement dated as of September 6, 1996 by
              and among Tuboscope Pipeline Services, Inc., Vetco Pipeline
              Services, Inc., Rauma USA, Inc. and Rauma Corporation.

         2.2  Addendum No. 1 to Stock Purchase and Sale Agreement dated as of
              September 20, 1996 by and among Tuboscope Pipeline Services, Inc.,
              Vetco Pipeline Services, Inc., Rauma USA, Inc. and Rauma
              Corporation.

         2.3  Addendum No. 2 to Stock Purchase and Sale Agreement dated as of
              September 20, 1996 by and among Tuboscope Pipeline Services, Inc.,
              Vetco Pipeline Services, Inc., Rauma USA, Inc. and Rauma
              Corporation.

        99.1  Text of Press Release dated September 23, 1996.

                                       2
<PAGE>
 
                                   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.

                          TUBOSCOPE VETCO INTERNATIONAL CORPORATION



Date: October 7, 1996      By: /s/ JOSEPH C. WINKLER
                               ---------------------
                               Joseph C. Winkler
                               Executive Vice President, Chief Financial Officer
                               and Treasurer

                                       3
<PAGE>
 
                           EXHIBIT INDEX TO FORM 8-K
<TABLE>
<CAPTION>
 
 
Exhibit                           Description                         Sequentially
 No.                                                                 Numbered Page
<S>          <C>                                                     <C>
2.1          Stock Purchase and Sale Agreement dated as of                   5
             September 6, 1996 by and among Tuboscope Pipeline
             Services, Inc., Vetco Pipeline Services, Inc., Rauma
             USA, Inc. and Rauma Corporation.

2.2          Addendum No. 1 to Stock Purchase and Sale                      33
             Agreement dated as of September 20, 1996 by and
             among Tuboscope Pipeline Services, Inc., Vetco
             Pipeline Services, Inc., Rauma USA, Inc. and Rauma
             Corporation.

2.3          Addendum No. 2 to Stock Purchase and Sale                      35
             Agreement dated as of September 20, 1996 by and
             among Tuboscope Pipeline Services, Inc., Vetco
             Pipeline Services, Inc., Rauma USA, Inc. and Rauma
             Corporation.

99.1         Text of Press Release dated September 23, 1996                 37
</TABLE>

                                       4

<PAGE>
 
                                  EXHIBIT 2.1



                       STOCK PURCHASE AND SALE AGREEMENT

                                 BY AND AMONG:


                       TUBOSCOPE PIPELINE SERVICES, INC.
                                 ("PURCHASER")

                         VETCO PIPELINE SERVICES, INC.
                                  ("COMPANY")


                                RAUMA USA, INC.
                          ("SELLER" AND "SHAREHOLDER")

                                      and

                               RAUMA CORPORATION
                                 ("GUARANTOR")

                                       5
<PAGE>
 
                               TABLE OF CONTENTS
                               -----------------
<TABLE>
<CAPTION>
 
 
<S>                                                                   <C>
 ARTICLE I - DEFINITIONS............................................   1
       1.1 Baker Hughes Indemnity...................................   1
       1.2 Closing..................................................   1
       1.3 Closing Date.............................................   1
       1.4 Closing Date Balance Sheet...............................   2
       1.5 Earnout Payment..........................................   2
       1.6 Earnout Contracts........................................   2
       1.7 Earnout Proceeds.........................................   2
       1.8 Effective Date...........................................   2
       1.9 Execution Date...........................................   2
       1.10 Financial Statements....................................   2
       1.11 GAAP....................................................   2
       1.12 Gross Profit............................................   2
       1.13 Facilities..............................................   3
       1.14 Purchase Price..........................................   3
       1.15 Rauma Note..............................................   3
       1.16 Release.................................................   3
       1.17 Subject Stock...........................................   3
       1.18 Treasury Shares.........................................   3
 
ARTICLE II - PURCHASE AND SALE OF SUBJECT STOCK.....................   3
       2.1 Purchase and Sale of Subject Stock.......................   3
       2.2 Consideration Payable to Seller at Closing...............   4
       2.3 Delivery of Stock........................................   4
       2.4 Treasury Shares..........................................   4
       2.5 Guarantor................................................   4
 
ARTICLE III - THE CLOSING...........................................   4
       3.1 The Closing..............................................   4
       3.2 Preparation of the Closing Date Balance Sheet............   5
       3.3 Ancillary Agreements.....................................   5
       3.4 Corporate Matters........................................   5
 
ARTICLE IV - REPRESENTATIONS AND WARRANTIES BY THE SELLER,
COMPANY AND GUARANTOR
       4.1 Due Organizations........................................   6
       4.2 Stock Ownership..........................................   6
       4.3 Subsidiaries.............................................   6
       4.4 Employment Agreements....................................   7
       4.5 Financial Statements.....................................   7
       4.6 Absence of Certain Changes...............................   7
       4.7 Liabilities..............................................   8
       4.8 Taxes....................................................   9
       4.9 Employee Benefit Plans...................................   9
       4.10 No Conflict with Other Instruments......................  10
       4.11 Title to Properties.....................................  10
       4.12 Patents and Intellectual Property.......................  10
       4.13 Delivery of Certain Documents...........................  12
       4.14 Bank Accounts...........................................  13
 
</TABLE>

                                       6
<PAGE>
 
<TABLE>
<S>                                                                    <C>
       4.15 Litigation..............................................   14
       4.16 Insurance...............................................   14
       4.17 Licenses, Permits, etc..................................   14
       4.18 Accounts Receivable.....................................   14
       4.19 Inventory...............................................   14
       4.20 Validity of Agreement...................................   15
       4.21 Adverse Restrictions....................................   15
       4.22 Untrue Statements.......................................   15
       4/23 Knowledge Defined.......................................   15
 
ARTICLE V - REPRESENTATIONS AND WARRANTIES BY THE PURCHASER.........   15
       5.1 Corporate Existence, etc.................................   15
       5.2 Validity of Agreement....................................   15
       5.3 No Conflict with Other Instruments.......................   16
       5.4 Litigation...............................................   16
 
ARTICLE VI - NATURE OF STATEMENTS AND SURVIVAL OF REPRESENTATIONS
 AND WARRANTIES OF THE COMPANY AND THE SELLER.......................   16
 
ARTICLE VII - INDEMNITY BY THE SELLER AND GUARANTOR.................   17
       7.1 Indemnity................................................   17
       7.2 Limitation on Amount.....................................   17
       7.3 Notification and Defense of Claims or Actions............   18
       7.4 Insurance................................................   19
       7.5 Exclusive Remedy.........................................   19
 
ARTICLE VIII - ENVIRONMENTAL INDEMNITY..............................   19
       8.1 Definitions..............................................   19
       8.2 Representations and Warranties...........................   20
       8.3 Obligation to Indemnify, Defend, Hold Harmless...........   22
 
ARTICLE IX - NONDISCLOSURE OF CONFIDENTIAL INFORMATION..............   23
 
ARTICLE X - MISCELLANEOUS...........................................   23
       10.1 Expenses................................................   23
       10.2 Taxes...................................................   24
       10.3 Environmental Audit.....................................   24
       10.4 Non-Competition.........................................   24
       10.5 Notices.................................................   24
       10.6 Governing Law; Interpretation; Section Headings.........   25
       10.7 Entire Agreement........................................   25
       10.8 Brokers.................................................   26
       10.9 Arbitration.............................................   26
       10.10 Public Announcements...................................   26
</TABLE>

                                       7
<PAGE>
<TABLE> 
<CAPTION> 
<S>                                                              <C>  
Exhibits .....................................................
       Exhibit A - Financial Statements of Company ...........
       Exhibit B - Rauma Note ................................
</TABLE> 

                                       8
<PAGE>
 
                       STOCK PURCHASE AND SALE AGREEMENT
                       ---------------------------------


     THIS AGREEMENT is executed as of the       day of     , 1996 by and among
                                          -----        ----
Tuboscope Pipeline Services, Inc., a Texas corporation (hereinafter referred to
as "Purchaser") and Vetco Pipeline Services, Inc., a Texas corporation
(hereinafter referred to as "Company"), and Rauma USA, Inc., a Delaware
corporation (hereinafter referred to as "Seller" and/or "Shareholder"), and
Rauma Corporation, a Finland corporation (hereinafter referred to as
"Guarantor").

                                    RECITALS
                                    --------

     A.  Company currently operates an in-place inspection service business for
pipelines utilizing smart-pig technology;

     B.  The parties hereto desire that Purchaser acquire all of the issued and
outstanding shares of the Subject Stock (as hereinafter defined) of the Company,
in exchange for cash;

     C.  The Shareholder on the Closing Date will be the sole owner of all
issued and outstanding shares of the Subject Stock; and

     D.  The parties hereto desire to set forth certain representations,
warranties and covenants made by each to the other as an inducement to the
execution and delivery of this Agreement;

                                   AGREEMENT
                                   ---------

     In consideration of the premises and of the mutual representations,
warranties and covenants herein contained, the parties hereby agree as follows:

                                   ARTICLE I

                                  DEFINITIONS
                                  -----------

1.1  BAKER HUGHES INDEMNITY.  The term "Baker Hughes Indemnity" shall mean the
     ----------------------                                                   
     Indemnity agreement dated July 23, 1990, between Company and Baker Hughes
     Tubular Services, Inc. with regard to Environmental Indemnification as
     referenced in Section 8.3 herein.

1.2  CLOSING.  The term "Closing" shall mean the events to take place on the
     -------                                                                
     Closing Date pursuant to Article III.

1.3  CLOSING DATE.  The term "Closing Date" shall mean September 20, 1996, or
     ------------                                                            
     such other date on which the Closing shall occur as may be established by
     agreement of the parties.

1.4  CLOSING DATE BALANCE SHEET.  The term "Closing Date Balance Sheet" shall
     --------------------------                                              
     mean the balance sheet of Company as of July 31, 1996, prepared in
     accordance with GAAP.  In preparing the Closing Date Balance Sheet,
     property, plant, machinery and equipment shall be valued at its depreciated
     book value, consistent with Company's historical depreciation policies, but
     any equipment which is reasonably determined by the parties hereto to be
     unusable for its intended purpose will be marked down to its

                                       9
<PAGE>
 
     disposal value, as is normal in GAAP accounting.  Closing Date Balance
     Sheet shall include the Statement of Operations and the Statement of Cash
     Flow for the periods January 1, 1996 through July 31, 1996.

1.5  EARNOUT PAYMENT. The term "Earnout Payment" as used herein shall mean 15%
     ---------------                                                          
     of the Gross Profit derived by Company from the Earnout Contracts.

1.6  EARNOUT CONTRACTS. The term "Earnout Contracts" as used herein shall mean
     -----------------                                                        
     those contracts set out in Schedule 1.6.

1.7  EARNOUT PROCEEDS.  The term "Earnout Proceeds" as used herein shall mean
     ----------------                                                        
     amounts paid to Seller under the Earnout Contracts.

1.8  EFFECTIVE DATE.  The term "Effective Date" as used herein shall mean
     --------------                                                      
     September 1, 1996.

1.9  EXECUTION DATE.  The term "Execution Date" as used herein shall mean the
     --------------                                                          
     date shown in the opening paragraph of this Agreement as the date of this
     Agreement.

1.10 FINANCIAL STATEMENTS.  The term "Financial Statements" as used herein shall
     --------------------                                                       
     mean the audited financial statements as of December 31, 1992 through 1995
     inclusive of Balance Sheets as of each respective December 31 and income
     statements for each respective December 31, all prepared in accordance with
     GAAP.

1.11 GAAP.  The term "GAAP" shall mean generally accepted accounting principles
     ----                                                                      
     as published and practiced in the United States.

1.12 GROSS PROFIT.  The term "Gross Profit" shall mean the gross profits derived
     ------------                                                               
     by the Company from the Earnout Contracts, determined in accordance with
     GAAP and in a manner consistent with the Company's past practices.  Upon
     distribution of any Earnout Payment under 2.2(b), Seller reserves the
     right, to within thirty (30) days of such payment, hire a nationally
     recognized certified public accounting firm, without a current association
     with either Purchaser or Seller, to review the Gross Profit and Earnout
     Payment calculations.  The accounting firm shall report its findings in
     writing to both Seller and Purchaser within thirty (30) days of such
     request, and its findings shall be final and binding on the Seller and
     Purchaser.  Seller shall pay all fees due the accounting firm.  However, if
     there is a finding by the accounting firm of a greater than ten (10)
     percent understatement of Gross Profit, Purchaser shall pay all fees due
     the accounting firm.

1.13 FACILITIES.  The term "Facilities" shall mean the offices, manufacturing
     ----------                                                              
     facilities, warehouses and administration buildings, and all other real
     property and related facilities which are owned or leased by Company.

1.14 PURCHASE PRICE.  The term "Purchase Price" shall mean the consideration to
     --------------                                                            
     be delivered by Buyer to the Shareholder pursuant to Section 2.2.

1.15 RAUMA NOTE. The term "Rauma Note" as used herein shall mean certain
     ----------                                                         
     promissory note dated August 23, 1996 in the amount of Five Million and
     No/100 Dollars ($5,000,000.00) with Company as payor and Rauma as payee, a
     copy of which is attached hereto as Exhibit B.

                                       10
<PAGE>
 
1.16 RELEASE.  The term "Release" shall mean any spilling, leaking, pumping,
     -------                                                                
     pouring, emitting, emptying, discharging, injecting, escaping, leaching,
     migration, dumping or disposing into the environment or any other act or
     omission constituting a release as defined in or subject to regulation by
     the Environmental Requirements (as herein defined).

1.17 SUBJECT STOCK.  The term "Subject Stock" shall mean 508,054 shares of the
     -------------                                                            
     common stock of the Company with $1.00 par value, and 10,000 shares of the
     preferred stock of the company with $500.00 par value which when combined
     with the Treasury Stock in total represents all of the issued and
     outstanding shares of stock and all issued and redeemed capital of the
     Company.

1.18 TREASURY SHARES.  The term "Treasury Shares" shall mean 831 shares of the
     ---------------                                                          
     common stock of the Company held in treasury by the Company which when
     combined with the Subject Stock in total represents all of the issued and
     outstanding shares of stock and all issued and redeemed capital of the
     Company.

                                   ARTICLE II

                       PURCHASE AND SALE OF SUBJECT STOCK
                       ----------------------------------

2.1  PURCHASE AND SALE OF SUBJECT STOCK.  In exchange for the consideration
     ----------------------------------                                    
     specified herein and subject to the terms and conditions of this Agreement,
     at the Closing Date, the Seller shall as of the Effective Date, sell,
     transfer and deliver to Purchaser, and Purchaser agrees to purchase from
     the Seller, all Seller's right, title and interest in and to, the Subject
     Stock, and all right, title and interest Seller may have to acquire any
     capital stock of Company.


2.2  CONSIDERATION PAYABLE TO SELLER AT CLOSING.  In consideration of the
     ------------------------------------------                          
     purchase of the Subject Stock, Purchaser shall pay Shareholder as follows:

          (a) Three Million Five Hundred Thousand and No/100 Dollars
          ($3,500,000.00) cash, payable by Cashier's Check or Wire Transfer at
          Closing.

          (b) The Earnout Payment to be paid within Ninety (90) days of actual
          receipt by Purchaser of the Earnout Proceeds provided however in the
          event that if no Earnout Proceeds are received by Purchaser within
          twenty-four (24) months of the Effective Date hereof there will be no
          Earnout Payment due.

          (c) Purchaser will make a "contribution to capital" of Five Million
          and no/100 Dollars ($5,000,000.00) and Seller will cause Company to
          simultaneously repay the Rauma Note and at Closing, Seller shall
          deliver to Purchaser the cancelled Rauma Note endorsed as paid in full
          by Seller.  Prior to Closing, Seller will cause Company to repay all
          accrued interest expense and all intercompany accounts payable not to
          exceed an amount of $31,000.00.

2.3  DELIVERY OF THE STOCK.  At the Closing, Seller shall deliver to Purchaser,
     ---------------------                                                     
     certificates representing the Subject Stock duly and properly endorsed or
     with irrevocable stock powers duly and properly executed and attached and a
     release of all right, title and interest Shareholder may have to acquire
     any capital stock of the Company.

                                       11
<PAGE>
 
2.4  TREASURY SHARES.  At the Closing in exchange for the consideration recited
     ---------------                                                           
     herein, Company shall deliver to Purchaser certificates representing the
     Treasury Shares, duly and properly endorsed, with irrevocable Stock powers
     duly and property executed and attached, or other evidence of corporate
     action in a form acceptable to Purchaser showing all right, title and
     interest in the Treasury Shares as vested in or transferred to Purchaser.

2.5  GUARANTOR.  Guarantor joins in the execution of this agreement for the sole
     ---------                                                                  
     purpose of acting as guarantor for the Seller with regard to the
     Representations and Warranties provided herein under Article IV and the
     Indemnities provided herein under Article VII and VIII.

                                  ARTICLE III

                                  THE CLOSING
                                  -----------

3.1  CONDITIONS PRECEDENT TO CLOSING.  The obligation of the Purchaser and
     -------------------------------                                      
     Seller to complete the sale and purchase shall be subject to the following
     conditions for Closing:

     (a)  No material adverse change in the Company's business affecting the
          value thereof after the Execution Date but prior to the Closing Date.

     (b)  Purchaser and Gordon Griffiths shall have entered a non-competition in
          a form which is acceptable to Purchaser.

     (c)  Delivery to Purchaser of a certificate that neither the Company nor
          the Sellers are aware of any event that with reasonable time or
          circumstance could constitute a material adverse change to the
          business of Company or its value.

     (d)  Successful acquisition by Seller of all outstanding shares of Subject
          Stock held on the Execution Date by any stockholder other than Seller.
          Provided however, upon failure of Seller to so acquire all outstanding
          shares, Purchaser shall have the option, at its sole discretion, to
          either proceed with the stock purchase and sale under the terms of
          this Agreement, or terminate this Agreement.

     (e)  Any schedules not provided at the execution of this Agreement, shall
          be provided prior to Closing.

3.2  THE CLOSING. The Closing of the transactions provided by this Agreement
     -----------                                                            
     will take place at the offices of Purchaser, 2835 Holmes Road, Houston,
     Texas  77051, at 11:00 a.m. on the Closing Date or at such other date and
     time as the parties hereto shall agree in writing.  Failure to consummate
     the transactions contemplated by this Agreement on the date and time and at
     the place selected pursuant to this Section 3.2 shall not result in the
     termination of this Agreement and shall not relieve any party to this
     Agreement of any obligation hereunder.

3.3  PREPARATION OF THE CLOSING DATE BALANCE SHEET.  The Closing Date Balance
     ---------------------------------------------                           
     Sheet shall be prepared by Company as provided herein and in Section 1.4
     and delivered to Purchaser on or prior to the Closing Date.

                                       12
<PAGE>
 
3.4  CORPORATE MATTERS.  On the Closing Date, Shareholder shall deliver to
     -----------------                                                    
     Purchaser all of the corporate books and corporate seals of the Company.
     On the Closing Date, Shareholder shall deliver to Purchaser the resignation
     of all officers and directors of the Company, and will take or cause to be
     taken all such actions as may be reasonably required by Purchaser with
     regard to corporate acts of the Company with regard to corporate acts of
     the Company with regard to this Agreement.

                                       13
<PAGE>
 
                                   ARTICLE IV

                 REPRESENTATIONS AND WARRANTIES BY THE SELLER,
                 ---------------------------------------------
                             COMPANY AND GUARANTOR
                             ---------------------

     The Seller Company, and Guarantor jointly and severally, hereby represent
and warrant to Purchaser as follows:

4.1  DUE ORGANIZATIONS.  The Company is a corporation duly organized, validly
     ------------------                                                      
     existing and in good standing under the laws of the State of Texas and is
     duly authorized, qualified and licensed under all applicable laws,
     regulations, ordinances and orders of public authorities to carry on its
     business in the places and in the manner as now conducted.  The Company has
     full power and lawful authority to carry on its business as it is now being
     conducted and to own and operate its assets, properties and business.  True
     and complete copies of the Articles of Incorporation and all amendments
     thereto to date of the Company (certified by the Secretary of State of
     Texas) and of the by-laws of the Company as amended to date are attached
     hereto as Schedule 4.1.
               ------------ 

4.2  STOCK OWNERSHIP.  On the Closing Date, subject to Section 3.1(d), Company
     ---------------                                                          
     will have no issued and outstanding capital stock of any class or any other
     securities, bearing voting or other equity whether or not contingent, which
     is not owned by Shareholder except as set forth in this paragraph.  All of
     the issued and outstanding shares of the Subject Stock of the Company are
     validly issued and outstanding, fully paid and non-assessable.  There are
     no outstanding subscriptions, options, warrants, calls, commitments,
     obligations or agreements (voting or otherwise) relating to any of the
     authorized or outstanding capital stock of the Company.  The Seller will on
     the Closing Date own of record and beneficially all of the issued and
     outstanding shares of the Company free and clear of all liabilities, liens,
     encumbrances, options, conditional sale or title retention agreements,
     restrictions or other burdens.  The Company currently holds the Treasury
     Shares of the Company's common stock in treasury.  The Company owns of
     record and beneficially all the Treasury Shares free and clear of all
     liabilities, liens, encumbrances, options, conditional sale or title
     retention agreements, restrictions or other burdens.  In purchasing the
     Subject Stock, Purchaser shall acquire indirectly all of assets, including
     physical assets on hand as of the Closing Date, all cash in bank accounts,
     Company's capital stock, and all trademarks, designs, prototypes, patents,
     business systems, customer lists and goodwill of Company.  The Seller and
     Company have full legal right, power and authority to enter into this
     Agreement.

4.3  SUBSIDIARIES.  The Company has no subsidiaries and does not directly or
     ------------                                                           
     indirectly, own or control any capital stock, bonds or other securities of,
     or have any proprietary interest in, any corporation, association,
     partnership, firm or business organization or enterprise, except as set
     forth in Schedule 4.3 as attached hereto.  For purposes of this Article IV
              ------------                                                     
     the term "Company" shall include any subsidiary of Company with regard to
     the representations and warranties set forth in Articles 4.7, 4.9, 4.10,
     4.11, 4.12, 4.13, 4.14, 4.15, 4.17, 4.18 and 4.19.

4.4  EMPLOYMENT AGREEMENTS.  The Company has no employment, compensation or
     ---------------------                                                 
     similar type of agreement with any officer or employee.  Any exception to
     the foregoing being set forth in Schedule 4.4 as attached hereto.
                                      ------------                    

                                       14
<PAGE>
 
4.5  FINANCIAL STATEMENTS.
     -------------------- 

          (a)  Attached hereto as Exhibit A are the Financial Statements of
                                  ---------                                
               Company and the Closing Date Balance Sheet of the Company as of
               July 31, 1996.  Financial Statements and the Closing Date Balance
               Sheet set forth in Exhibit A attached hereto have been prepared
                                  ---------                                   
               in accordance with GAAP as at the dates and for the period
               covered thereby, and fairly present the financial condition and
               results of operations of the Company as at the date and for the
               period then ended and include no change in the application of
               accounting principles.  The stockholder compensation disclosed in
                                                                                
               Exhibit A represents all monetary compensation paid to the
               ---------                                                 
               Shareholder for the year presented.

          (b)  Company has made and kept books, records, and accounts, which, in
               reasonable detail, accurately and fairly reflect its operations
               and activities and all transactions concerning and all
               dispositions and acquisitions of its assets.

4.6  ABSENCE OF CERTAIN CHANGES.  Except for as listed in Schedule 4.6 (b), 
     --------------------------                           ----------------      
     since the date of the documents attached as Exhibit A hereto there has
                                                 ---------
     not been:

          (a)  any materially adverse change in the condition (financial or
               otherwise) or in the properties, assets or liabilities, business
               or prospects of the Company, except normal and usual changes in
               the ordinary course of business, none of which has been
               materially adverse and all of which in the aggregate have not
               been materially adverse;

          (b)  any declaration, setting aside, or payment of any dividend or
               other distribution on or in respect of the capital stock of the
               Company or any direct or indirect redemption, purchase or other
               acquisition of any of such stock or any issuance of any shares of
               such stock or any granting or entering into of any option or
               commitment relating to any of such stock;

          (c)  any increase in the compensation or rate of compensation or
               commissions payable or to become payable by the Company to any of
               its directors, officers, employees or consultants, or any hiring
               of any employee at a salary in excess of $1,000 per month, or any
               payment or accrual of any bonus, profit-sharing or other
               extraordinary compensation to any director, officer, employee or
               consultant, or any change in any then existing bonus, profit-
               sharing, pension, retirement or other similar plan, agreement or
               arrangement or any adoption of or entering into of any new bonus,
               profit-sharing, pension, stock option, retirement, group life or
               health insurance or other similar plan, agreement or arrangement;

          (d)  any change in the accounting methods or practices followed by the
               Company or any change in depreciation or amortization policies or
               rates heretofore adopted;

          (e)  any debt, obligation or liability (whether absolute or
               contingent) incurred by the Company (whether or not outstanding
               at present) except

                                       15
<PAGE>
 
               (i) current liabilities incurred in the ordinary course of
               business and obligations under agreements entered into in the
               ordinary course of business and (ii) obligations or liabilities
               entered into or incurred in connection with the execution of this
               Agreement, any of which are set forth in Schedule 4.6 hereto if
                                                        ------------          
               individually over $10,000.00;

          (f)  any sale, lease, abandonment or other disposition by the Company
               of any interest in real property or, other than in the ordinary
               course of business, of any machinery, equipment or other
               operating properties, or any sale, encumbrance, lien, assignment,
               transfer, license, or other disposition by the Company of any
               patent, trademark, trade name, brand name, copyright (or pending
               application for any patent, trademark or copyright), invention,
               process, know-how, formula, pattern, design, trade secret or
               interest thereunder or other intangible asset; or

          (g)  any labor trouble, strike, or any other occurrence, event or
               condition of any similar or dissimilar character affecting the
               employees of the Company which materially and adversely affects
               or may materially and adversely affect the condition (financial
               or otherwise) or the assets, liabilities, business or properties
               of the Company.

4.7  LIABILITIES.  Except as incurred in the ordinary course of business, to the
     -----------                                                                
     knowledge of the Seller or the Company, the Company has no liabilities or
     commitments of any nature (absolute, accrued, contingent or otherwise)
     matured or unmatured except as the Seller has disclosed to the Purchaser
     via a true and complete schedule (Schedule 4.7 hereto) setting forth, as of
                                       ------------                             
     the date of the documents attached hereto in Exhibit A and as of the
                                                  ---------              
     Closing Date, all liabilities, debts or obligations of any nature, whether
     accrued, absolute, contingent or otherwise, and whether due or to become
     due, including, without limitation, liabilities, debts or obligations on
     account of taxes or other governmental charges, or penalties, interest or
     fines thereon or in respect thereof.  The Seller does not know or have any
     reasonable grounds to know of any basis for any assertion against the
     Company or any of its property of any liability, debt or obligation of any
     nature or in any amount not disclosed on Schedule 4.7 and not fully
                                              ------------              
     reflected or reserved against in the Financial Statements and Closing Date
     Balance Sheet in Exhibit A.  Seller must disclose to Purchaser prior to
                      ---------                                             
     Closing, any such liabilities or commitments incurred between the Execution
     Date and Closing Date, whether or not incurred in the ordinary course of
     business if greater than $10,000.00.

4.8  TAXES.  The Company has filed all tax returns (federal, state, foreign, and
     -----                                                                      
     local) required to be filed by it relating to taxes of any nature to which
     the Company or its business and its subsidiaries are subject, including
     income, franchise and sales taxes and all taxes shown to be due and payable
     on such returns or on any assessments received by the Company and all other
     taxes of any nature (federal, state, foreign and local) due and payable by
     the Company on or before the date hereof have been paid.  The income tax
     returns of the Company are not under audit by the federal or state taxing
     authorities and have not been so audited.  No assessment has been made with
     respect to any tax return of the Company.  There are no agreements, waivers
     or other arrangements providing for an extension of time with respect to
     the assessment of any tax or deficiency of any nature against the Company
     nor suits, nor any other actions, proceedings, investigations or claims now
     pending or threatened against the Company

                                       16
<PAGE>
 
     in respect to any tax or assessment, or any matters under discussion with
     any federal, state, foreign or local authority relating to any such taxes
     or assessments, or any claims for additional taxes or assessments asserted
     by any such authority.  The provisions made for taxes on the financial
     statements in Exhibit A are sufficient for the payment of all unpaid taxes
                   ---------                                                   
     of any nature imposed by any authority (including any interest or
     penalties) on the Company accrued for or applicable to the periods ended on
     July 31, 1996 and all years and periods prior thereto.  All tax returns are
     true, complete and accurate in all material respects.

4.9  EMPLOYEE BENEFIT PLANS.  All employee benefit plans (including pension
     ----------------------                                                
     plans and employee stock ownership plans), arrangements or understandings,
     whether formal or informal, if any, as fully set forth in Schedule 4.9 are
                                                               ------------    
     fully funded and the Company has no liability with respect thereto arising
     out of any state of facts occurring on or prior to the date hereof; (i) all
     such plans, arrangements and understandings are in compliance in all
     material respects with all applicable laws and no action is required to be
     taken with respect thereto as a result of the transactions contemplated by
     this Agreement; and (ii) the transactions contemplated by this Agreement
     will not result in the termination or any material change in such plans,
     arrangements and understandings and will not change in any respect
     obligations, if any, of the Company with respect thereto.  It is
     specifically agreed and understood that the Purchaser is in no way assuming
     any liability for any employee pension plan of the Company and that Seller
     will indemnify Purchaser as hereinafter provided for any liability, cost or
     obligation imposed upon Purchaser resulting from any such plan.

4.10 NO CONFLICT WITH OTHER INSTRUMENTS. Except as disclosed in Schedule 4.10,
     ----------------------------------                         ------------- 
     the execution and delivery of this Agreement and the consummation of the
     transactions contemplated hereby will not (i) result in any breach of any
     of the terms or conditions of, or constitute a default under, the Articles
     of Incorporation or By-laws of the Company or any commitment, mortgage,
     loan agreement, note, bond, debenture, deed of trust, contract, agreement,
     license or other instrument or obligation to which the Company is now a
     party or by which its properties or assets may be bound or affected; or
     (ii) result in any violation of any law, or any rule or regulation of any
     administrative agency or governmental body or any order, injunction or
     decree of any court, administrative agency or governmental body.

4.11 TITLE TO PROPERTIES.  The Company has set forth a true and complete
     -------------------                                                
     schedule (Schedule 4.11 hereto) of all the properties, interests in
               -------------                                            
     properties, assets and leasehold estates, real and personal, reflected in
     the financial statements in Exhibit A and those acquired after July 31,
                                 ---------                                  
     1996 (excluding assets disposed of since July 31, 1996 in the ordinary
     course of business and not involving any misrepresentation or breach of
     warranty or covenant in this Agreement) except for minor defects in title
     which do not affect Purchaser's or Company's use, possession, ownership,
     value or ability to alienate the subject properties. The Company has good
     and marketable title to all the properties, interests in properties, assets
     and leasehold estates, real and personal, set forth in Schedule 4.11, free
                                                            -------------      
     and clear of all mortgages, liens, pledges, conditional sales agreements,
     charges, easements, covenants, assessments, charges, restrictions or
     encumbrances except as set forth in Schedule 4.11.  All leases of real
                                         -------------                     
     property under which the Company purports to be a lessee are valid, binding
     and in full force and effect.  The plants, structures, equipment and other
     properties owned or used by the Company are in good operating condition and
     repair.  All such plants, structures, equipment and other properties and
     their use conform in all material respects to all applicable laws,
     including local, state, and federal environmental

                                       17
<PAGE>
 
     regulations and laws, building and zoning laws or ordinances and
     regulations, and no notice of any violation of such laws or ordinances and
     regulations relating to such assets and their use have been received by the
     Company.  The Company has all easements and rights of ingress and egress
     and for utilities and services necessary for all operations conducted by
     the Company.  Neither the whole nor any portion of any real property owned
     or occupied by the Company has been condemned or otherwise taken by any
     public authority, nor does the Seller know or have reasonable grounds to
     believe that any such condemnation or taking is threatened or planned.

4.12 PATENTS AND INTELLECTUAL PROPERTY.  The Company has delivered to the
     ----------------------------------                                  
     Purchaser a true and complete schedule (Schedule 4.12 hereto) setting forth
                                             -------------                      
     all patents, inventions, trademarks, trade names, brand names or
     copyrights, owned or used by or licensed to or by the Company, together
     with a summary description and full information in respect of the filing,
     registration or issuance or the status thereof.  Additionally, the Company
     has delivered to the Purchaser at Closing a true and complete schedule
     (Schedule 4.12A) setting forth all trade secrets deemed owned or used by or
     ---------------                                                            
     licensed to or by the Company.  Schedule 4.12A will be marked
                                     --------------               
     "Confidential", made a part of the original agreements only, and not
     disseminated with any copies made of the Agreement.  All of such patents,
     inventions, trademarks, trade names, brand names, copyrights, pending
     applications, trade secrets and licenses are valid and in good standing and
     will not be adversely effected by the transactions contemplated hereby; no
     patent application or patent of the Company is involved in any interference
     proceeding, and no trademark, trade name, or brand name nor any application
     therefor, is involved in any opposition or cancellation proceeding.  No
     licenses, sub-licenses, covenants or agreements have been granted or
     entered into by the Company, in respect of such patents, inventions,
     trademarks, trade names, brand names, copyrights, applications or licenses,
     except those described in Schedule 4.12.  The Company validly owns, is
                               -------------                               
     validly licensed under, or has legal right to use all patents, patent
     applications, trademarks, trade names, brand names, inventions, processes,
     know-how, trade secrets and copyrights which are necessary or useful for
     the conduct of its business as now conducted, and all such rights are valid
     and in good standing, and free and clear of all liens and encumbrances of
     any nature whatsoever and have not been challenged in any way or involved
     in any interference, opposition or cancellation proceedings. To the
     knowledge of Seller, the operations of the Company, the use by the Company
     of machinery, equipment and processes, the use of the products of the
     Company by its customers for the purpose for which sold, and the use or
     publication by the Company of its patents, trademarks, trade names, brand
     names and advertising, technical or other literature do not involve
     infringement or claimed infringement of any patent, trademark, trade name
     or copyright.  No stockholder, director, officer, employee, or consultant
     of the Company owns, directly or indirectly, in whole or in part, any
     inventions or patents, trademarks, trade names, brand names, or copyrights
     or applications therefor which the Company is presently using or the use of
     which is necessary or useful for the business of the Company as now
     conducted or has made any invention not assigned to the Company which is
     necessary or useful for the business of the Company as now conducted or
     which, as an extension, improvement, change, modification or addition,
     relates to any operation of the Company.  The Company does not know or have
     any reasonable grounds to believe that there exists any new developments
     with respect to the operations of the Company or any new or improved
     materials, products, processes or methods useful in connection with the
     business of the Company as now conducted which may materially adversely
     affect the condition (financial or otherwise) or the properties, assets,
     liabilities, business or prospects of the Company.  Except as set forth on
     Schedule
     --------

                                       18
<PAGE>
 
     4.12(b), no officer, director, stockholder or employee, or to the knowledge
     -------                                                                    
     of the Company any agent or consultant of the Company, has entered into any
     agreement regarding know-how, trade secrets, assignment of rights in
     inventions, or prohibition or restriction of competition or solicitation of
     customers, or any other similar restrictive agreement or covenant, whether
     written or oral, with any person, firm, association, corporation or
     business organization or enterprise other than the Company, which would
     have a material adverse effect on the business or property rights of the
     Company.

4.13 DELIVERY OF CERTAIN DOCUMENTS.  Schedule 4.13 sets forth a true and
     -----------------------------   -------------                      
     complete schedule listing and briefly describing all of the contracts,
     agreements, leases, licenses, plans, arrangements or commitments to which
     the Company is a party or by which it or any of its assets or properties is
     in any way bound or obligated as follows:

          (a)  all contracts, agreements or commitments in respect of the sale
               of products or services, or for the purchase of raw materials,
               supplies or other products or utilities, except those entered
               into in the ordinary course of business involving payments or
               receipts by the Company of less than $10,000 or terminable by the
               Company within thirty (30) days without penalty;

          (b)  all sales, agency, consultant or distributorship agreements or
               franchises or legally enforceable commitments or obligations with
               respect thereto;

          (c)  all collective bargaining agreements, union agreements,
               employment agreements, consulting agreements or agreements
               providing for the services of an independent contractor;

          (d)  all profit-sharing, pension, stock option, severance pay,
               retirement, bonus, deferred compensation, group life and health
               insurance or other employee benefit plans, agreements,
               arrangements or commitments, whether or not legally binding, and
               all agreements with any present or former officer, director or
               stockholder of the Company;

          (e)  all contracts, agreements, legally enforceable commitments,
               licenses or sub-licenses relating to patents, trademarks, trade
               names, copyrights, inventions, processes, know-how, formulae or
               trade secrets;

          (f)  all leases or other contracts, agreements or legally enforceable
               commitments relating to or affecting real property;

          (g)  all loan or credit agreements, indentures, guarantees (other than
               endorsements made for collection), mortgages, pledges,
               conditional sales or other title retention agreements, and all
               equipment financing obligations, lease and lease-purchase
               agreements;

          (h)  all contracts, agreements, arrangements or legally enforceable
               commitments, whether or not fully performed, relating to the
               issuance of capital stock, bonds or other securities of the
               Company or relating to the acquisition by the Company of any
               substantial part of its business or assets; and

                                       19
<PAGE>
 
          (i)  all contracts, agreements and legally enforceable commitments,
               other than those of the types covered by paragraphs (a) through
               (h) above, involving payment by or to the Company of more than
               $10,000 or not terminable by the Company within thirty (30) days,
               or otherwise materially affecting the condition (financial or
               otherwise), or properties, assets, liabilities or sales of the
               Company.

          To the knowledge of the Seller and the Company, all of such contracts,
          agreements, leases, licenses and commitments are valid, binding and in
          full force and effect in accordance with their terms and conditions
          and there is no existing default thereunder or conditions which with
          the passage of time or notice or both might constitute such a default
          by any party thereto and those contracts, agreements, leases, licenses
          and commitments to which the Company is a party or is in any way
          affected or bound will not be breached by or give any other party a
          right of termination as a result of the transactions contemplated by
          this Agreement.  The Company is not bound by any oral or written
          contract, agreement, lease, license, plan, assignment or commitment of
          the type described in this Section 4.13 other than those described in
                                     ------------                              
          Schedule 4.13.  Copies of all of the documents (or in the case of oral
          -------------                                                         
          commitments, descriptions of the material terms thereof) described in
                                                                               
          Schedule 4.13 have been delivered by the Seller to the Purchaser and
          -------------                                                       
          are true and complete and include all amendments, supplements or
          modifications thereto.

4.14 BANK ACCOUNTS.  Schedule 4.14 contains a true and complete list showing:
     --------------  -------------                                           

          (a)  the name of each bank in which the Company or any subsidiary of
               the Company has an account or safe deposit box and the names of
               all persons authorized to draw thereon or to have access thereto;
               and

          (b)  the names of all persons, firms or corporations, if any, holding
               general or special powers of attorney from the Company or any
               subsidiary of the Company and a summary statement of the terms
               thereof; and

          (c)  the name of each bank or other lending institution at which the
               Company or any subsidiary of the Company has current credit or a
               credit facility and the names of all persons authorized to
               execute notes, agreements or other instruments relating to the
               borrowing of money or the extension of credit from or by such
               banks or lending institutions.

          (d)  the guarantees, if any, given by Company and any subsidiary.

4.15 LITIGATION.  There are no suits, actions, claims, inquiries, legal,
     ----------                                                         
     administrative or arbitration proceedings pending, or to the knowledge of
     Seller, investigations by any private or governmental body, or claims
     threatened against or affecting the Company or any of its properties,
     assets or business, or to which the Company is or might become a party, or
     which question the validity or legality of the transactions contemplated
     hereby. The Company knows of no basis or grounds for any such suit, action,
     claim, inquiry, investigation or proceedings.  There is no outstanding
     order, writ, injunction or decree of any court, governmental agency or
     arbitration tribunal against or affecting the Company or its properties,
     assets or business except as set forth in Schedule 4.15 hereto.
                                               -------------        

                                       20
<PAGE>
 
4.16 Insurance.  Schedule 4.16 contains a list of all insurance policies
     ---------   -------------                                          
     (specifying the insurer, the amount of the coverage, the type of insurance,
     and the policy number) maintained by the Company on its properties, assets,
     business and personnel and the claim history for the past four (4) years
     with regard to each policy.  The Company has delivered to the Purchaser
     true and correct copies of all policies, including all endorsements
     thereon, referred to in such schedule.  The Company is not in default with
     respect to any provision contained in such insurance policies, nor has it
     failed to give any notice or present any claim thereunder in timely
     fashion.  All such policies are in full force and effect and Company is a
     named insured for all such policies except as otherwise set forth in
     Schedule 4.16.
     ------------- 

4.17 LICENSES AND PERMITS.  The Company has all licenses and permits (federal,
     --------------------                                                     
     state and local) necessary to conduct its business, and such licenses and
     permits are in full force and effect.  No violations are or have been
     recorded in respect of such licenses or permits and no proceeding is
     pending or threatened seeking the revocation or limitation of any of such
     licenses or permits.  The Company has complied in all material respects
     with all laws, rules, regulations and orders applicable to its business,
     and all rules, regulations and orders respecting the distribution and sale
     of products and services of the Company.

4.18 ACCOUNTS RECEIVABLE.  All notes and accounts receivable of the Company
     -------------------                                                   
     shown in the financial statements of Exhibit A and all notes and accounts
                                          ---------                           
     receivable acquired by the Company subsequent to the date of the documents
     attached to Exhibit A hereto and prior to the date hereof, have arisen in
                 ---------                                                    
     the ordinary course of business and have been collected or are collectible
     in the aggregate recorded amounts thereof, less the applicable reserves
     with respect thereto reflected on the financial statements attached in
     Exhibit A hereto.  Company agrees to furnish Purchaser with a current list
     ---------                                                                 
     of all receivables and an aging schedule therefor, together with any
     provisions made for doubtful collection.

4.19 INVENTORY.  All inventory reflected in the Closing Date Balance Sheet at
     ---------                                                               
     the date thereof was, and all inventory to be reflected on the Closing Date
     Balance Sheet (except to the extent in each case of reserves reflected
     thereon) is and will be, of a quality and quantity reasonably usable and
     salable in the ordinary course of business as of the Closing Date and all
     such inventory will be reflected on the Closing Date Balance Sheet with
     adequate provisions or adjustments for excess inventory, slow-moving
     inventory and inventory obsolescence at the lower of cost or market value
     using the FIFO method of valuation in accordance with GAAP, consistently
     applied.

4.20 VALIDITY OF AGREEMENT.  This Agreement has been duly authorized, approved
     ---------------------                                                    
     and adopted by all requisite corporate action by the Board of Directors of
     the Company and the Seller and has been duly and validly executed and
     delivered by the Company and Seller and is the legal, valid and binding
     obligation of the Company and Seller.  The resolutions of the respective
     Boards of Directors approving such sale are attached hereto as Schedule
                                                                    --------
     4.20.
     ---- 

4.21 ADVERSE RESTRICTIONS.  The Company and Seller are not a party to any
     --------------------                                                
     agreement or instrument or subject to any restriction in its Articles of
     Incorporation or By-laws or subject to any judgment or injunction, or
     decree, order, or rule or regulation, which materially and adversely affect
     the condition (financial or otherwise), or the properties, assets,
     liabilities, business or prospects of the Company.

                                       21
<PAGE>
 
4.22 UNTRUE STATEMENTS.  This Agreement, the schedules hereto, the financial
     -----------------                                                      
     statements of the Company and all other documents and information furnished
     by the Company to the Purchaser and its representatives pursuant hereto do
     not and will not include any untrue statement of a material fact or, to the
     knowledge of the Company or Seller, omit to state any material fact
     necessary to make the statements made and to be made not misleading.

4.23 KNOWLEDGE DEFINED.  For purposes of Article 4 and 5, "knowledge" of a party
     -----------------                                                          
     shall mean the knowledge of any officer or manager responsible for the
     subject matter of the particular representation and warranty or knowledge
     which could have been acquired by such persons, after reasonable inquiry
     under the circumstances with subordinates.

                                   ARTICLE V

                REPRESENTATIONS AND WARRANTIES BY THE PURCHASER
                -----------------------------------------------

     The Purchaser represents and warrants to the Seller as follows:

5.1  CORPORATE EXISTENCE, ETC.  The Purchaser is a corporation duly organized,
     -------------------------                                                
     validly existing and in good standing under the laws of the State of Texas.

5.2  VALIDITY OF AGREEMENT.  The execution and delivery of this Agreement by the
     ---------------------                                                      
     Purchaser and the performance of the transactions contemplated hereby have
     been duly and validly authorized by its Board of Directors (attached as
     Schedule 5.2 hereto).  This Agreement has been duly executed and delivered
     ------------                                                              
     by the Purchaser and is a legal, valid and binding obligation of the
     Purchaser.  Purchaser has the absolute and unrestricted right, power and
     authority to execute and deliver this Agreement and to perform its
     obligations under this Agreement.

5.3  NO CONFLICT WITH OTHER INSTRUMENTS.  The execution and delivery of this
     ----------------------------------                                     
     Agreement and the consummation of the transactions contemplated hereby will
     not (i) result in any breach of any of the terms and conditions of, or
     constitute a default under, the Articles of Incorporation or By-laws of
     Purchaser or any commitment, mortgage, loan agreement, note, bond,
     debenture, deed of trust, contract, agreement, license or other instrument
     or obligation to which Purchaser is now a party or by which its properties
     or assets may be bound or affected; or (ii) result in any violation of any
     law, or any rule or regulation of any administrative agency or governmental
     body or any order, injunction or decree of any court, administrative agency
     or governmental body.

5.4  LITIGATION.  To the knowledge of the Purchaser, there are no suits,
     ----------                                                         
     actions, claims, inquiries, investigations by any private or governmental
     body, legal, administrative or arbitration proceedings pending or
     threatened against Purchaser which challenge, or may have the effect of
     preventing, delaying, making illegal, or otherwise interfering with, any of
     the transactions contemplated hereby.

                                   ARTICLE VI

            NATURE OF STATEMENTS AND SURVIVAL OF REPRESENTATIONS AND
            --------------------------------------------------------
                   WARRANTIES OF THE COMPANY AND THE SELLER
                   ----------------------------------------  

                                       22
<PAGE>
 
     All statements of fact contained in any written statement (including
financial statements), certificate, schedule or other document delivered by or
on behalf of the Company or the Seller pursuant to this Agreement or in
connection with the transactions contemplated hereby shall be deemed
representations and warranties of the Company and Seller.  All covenants,
agreements, representations, warranties and claims for indemnification with
respect thereto, made by the Company and Seller hereunder or pursuant hereto or
in connection with the transactions contemplated hereby shall survive the
Closing Date, for a period of three (3) years, except that the following
representations, warranties and indemnification claims with respect thereto,
which shall survive the Closing Date for the period of time specified below:
<TABLE> 
<CAPTION> 

          Sections                      Survival Period
          --------                      ---------------
          <S>                           <C>
          4.2, 4.3, 4.5, 4.7 and 4.11   five (5) years

          4.8                           per applicable statute

          Article VIII                  seven (7) years

</TABLE> 
                                  ARTICLE VII

                     INDEMNITY BY THE SELLER AND GUARANTOR
                     -------------------------------------

7.1  GENERAL INDEMNITY.  Seller, Guarantor, its successors and assigns, covenant
     -----------------                                                          
     and agree to indemnify and save and hold harmless the Purchaser from and
     against any loss, cost or expense (includes reasonable attorneys fees and
     costs of litigation) arising out of or resulting from, and to pay the
     Purchaser on demand the full amount of any and all sums which the Purchaser
     becomes obligated to pay on account of:

          (a)  any inaccuracy in any representation or the breach of any
               representation, warranty, covenant or agreement made by the
               Company or the Seller hereunder or pursuant hereto;

          (b)  Except as set out in subparagraph 7.1(c) below, any liability,
               debt or obligation, or any contract, agreement, commitment or
               undertaking of, or claim against the Company, which would result
               in a breach of a representation of warranty as provided herein.

          (c)  any liability, obligation or claim against the Company for
               personal injury or property damage arising out of the inspection
               or service of any pipeline occurring prior to the Closing Date.

          (d)  any federal, state or local tax liability with respect to the
               Company arising out of the transactions contemplated hereby;

          (e)  any claim, cost, expense or liability of any kind with regard to
               an event that occurred prior to the Closing Date arising out of
               any employee benefit plan (other than the employee group medical
               plans) covering employees of the Company;

          (f)  any liability, debt or obligation arising out of any occurrence
               prior to Closing Date which shall be the sole responsibility of
               Seller.

                                       23
<PAGE>
 
7.2  LIMITATION ON AMOUNT.  The Purchaser agrees that any obligation of the
     --------------------                                                  
Seller and Guarantor to indemnify under this Agreement shall only arise in the
event that the total loss, cost or expense incurred by Purchaser exceeds an
aggregate of $75,000.00, and then only for the amount by which such losses
exceed $75,000.00.  The obligation of Seller and Guarantor to indemnify shall in
no event exceed the Purchase Price established pursuant to Section 2.2, except
for the indemnification provided under Section 7.1(c) which shall in no way
exceed $20,000,000.00 and this obligation to indemnify pursuant to Section
7.1(c) shall survive the Closing Date for ten (10) years.

7.3  NOTIFICATION AND DEFENSE OF CLAIMS OR ACTIONS.
     --------------------------------------------- 

          (a)  As used in this Section, any party seeking indemnification
               pursuant to this Section is referred to as an "Indemnified Party"
               and any party from whom indemnification is sought pursuant to the
               Section is referred to as an "Indemnity Obligor."  An Indemnified
               Party which proposes to assert the right to be indemnified under
               this Article shall, pursuant to this notice provisions of this
               Agreement, submit a written demand for indemnification setting
               forth in summary form the facts as then known which form the
               basis for the claim for indemnification.

          (b)  With respect to claims based on actions by third parties, an
               Indemnified Party shall, within twenty (20) days (or earlier if
               required under applicable law to respond earlier) after the
               receipt of notice of the commencement of any claim or proceeding
               against it in respect of which a claim for indemnification is to
               be made against an Indemnity Obligor, notify the Indemnity
               Obligor in writing of the commencement of such proceeding,
               enclosing a copy of all papers served; provided, however, that
               the failure to so notify the Indemnity Obligor of any such
               proceeding shall not relieve the Indemnity Obligor from any
               liability which it may have to the Indemnified Party, except to
               the extent that the Indemnity Obligor is materially prejudiced
               thereby.  Thereafter, the Indemnified Party shall deliver to the
               Indemnity Obligor, within twenty (20) days after receipt by the
               Indemnified Party, copies of all further notices relating to such
               claim.

          (c)  If a third-party claim is made for which an Indemnified Party is
               entitled to indemnification pursuant to this Article, the
               Indemnity Obligor will be entitled to participate in the defense
               of such claim and, if it so chooses, and provided that it
               acknowledges its obligation to indemnify the Indemnified Party,
               to assume primary responsibility for the defense of such claim
               with counsel selected by the Indemnity Obligor and not reasonably
               objected to by the Indemnified Party.  Should the Indemnity
               Obligor assume the defense of such claim, the Indemnity Obligor
               will not be liable to the Indemnified Party for any legal
               expenses subsequently incurred by the Indemnified Party in
               connection with the defense of such claim.

          (d)  If the Indemnity Obligor assumes the defense of a third-party
               claim as set forth in Section (c) then (i) in no event will an
               Indemnified Party admit any liability with respect to, or settle,
               compromise or discharge, any such claim without the Indemnity
               Obligor's prior written consent

                                       24
<PAGE>
 
               and (ii) each Indemnified Party shall be entitled to participate
               in, but not control, the defense of such claim with its own
               counsel at its own expense.  If the Indemnity Obligor does not
               assume the defense of any such claim, an Indemnified Party may
               defend such claim in a manner as it may deem appropriate
               (including, but not limited to, settling such claim, after giving
               twenty (20) days prior written notice of such settlement to the
               Indemnity Obligor, on such terms as the Indemnified Party may
               deem appropriate).

          (e)  In the event that any claim for indemnification is made with
               respect to any third-party claim pursuant to Article 7 or 8, (i)
               the party assuming primary responsibility for the defense of such
               claim shall at all times keep the other party informed as to the
               status of such claim and (ii) the party not primarily responsible
               for the defense of such claim shall cooperate fully with the
               other party in connection with such defense.

7.4  INSURANCE.  The total amount of any indemnity payment owed by any Indemnity
     ---------                                                                  
Obligor to any Indemnified Party shall be reduced by the net proceeds received
by the Indemnified Party from (other than insurance that constitutes self
insurance (or similar insurance) or that involves retrospective or similar
premiums), provided, however, this limitation shall not apply to any action or
omission that constitutes fraud or criminal conduct under applicable state or
federal law.

7.5  EXCLUSIVE REMEDY.  The indemnification provisions set forth in Articles 7
     ----------------                                                         
and 8 constitute the exclusive remedy of Purchaser against Seller and Guarantor,
and their respective directors, officers, employees and agents, for any and all
claims for breaches of representations, warranties, covenants and agreements set
forth in this Agreement and any and all agreements, instruments, papers,
certificates and other writings delivered in connection herewith, except for any
claim arising out acts of fraud or other acts moral turpitude.

                                  ARTICLE VIII
                            ENVIRONMENTAL INDEMNITY
                            -----------------------

8.1  DEFINITIONS:  (a)  "Hazardous Material" means:
     -----------                                   

          Materials that, because of their quantity, concentration or physical,
          chemical or infectious characteristics, may cause or pose a present or
          potential hazard to human health or the environment when improperly
          used, treated, stored, disposed of, generated, manufactured,
          transported or otherwise handled.  "Hazardous Materials" shall
          include, but is not limited to, any and all hazardous or toxic
          substances, materials or wastes as defined listed or which becomes
          regulated as a "hazardous waste" "hazardous substance" pollutant or
          contaminant.

          (b) Environmental Requirements means:  All federal, state and local
          laws (whether under common law, statute, rule or regulation), permits,
          licenses, and any other requirements of any federal, state or local
          governmental authority relating to the protection of human health or
          the environment or to any Hazardous Materials.  Such laws include
          without limitation, the Comprehensive Environmental Response,
          Compensation and Liability Act.  Resource Conservation and Recovery
          Act, Clean Water Act; Clean Air Act;

                                       25
<PAGE>
 
          Hazardous Materials Transportation Act; Toxic Substances Control Act;
          and their state and local counterparts as amended from time to time.

          (c)  Environmental Damages means:  any cost, damages, expense,
          liability, obligation, or other responsibility arising from or under
          Environmental Requirements and consisting of or relating to:

               (a)  any environmental matters or conditions (including on-site
               or off-site contamination and regulation of chemical substances
               or products);

               (b)  fines, penalties, judgments, awards, settlements, legal or
               administrative proceedings, damages, losses, claims, demands, and
               response, investigative, remedial, including without limitations
               reasonable attorneys' fees and disbursements or inspection costs
               and expenses (including without limitation, strict liability)
               arising under Environmental Requirements;

               (c)  financial responsibility under Environmental Requirements
               for cleanup costs or corrective action, including any
               investigation, cleanup, removal, containment, or other
               remediation or response actions ("Cleanup") required by
               applicable Environmental Requirements (whether or not such
               Cleanup has been required or requested by any governmental
               authority or any other person and for any natural resource
               damages; or

               (d)  any other compliance, corrective, investigative, or remedial
               measures required under Environmental Requirements.

               The terms "removal," "remedial," and "response action," include
               the types of activities covered by the United States
               Comprehensive Environmental Response, Compensation, and Liability
               Act, 42 U.S.C. et seq., as amended ("CERCLA").

8.2  REPRESENTATIONS AND WARRANTIES:  As an inducement to Purchaser to enter
     ------------------------------                                          
     into this Agreement, Seller represents and warrants to Purchaser and its
     successors and assigns, as follows:

          (a) After due and reasonable investigation, the Company, and the
          Company's assets, properties and operations are now and at all times
          have been in compliance with all applicable Environmental
          Requirements.  There has been and is no Release or, to the Seller's or
          the Company's knowledge, threatened Release of any Hazardous Material
          at, on, under, in or from any of the Facilities which relates to any
          of the Companies' operations and activities at the Facilities or
          otherwise.  The Company has not received any notice of alleged, actual
          or potential responsibility of, or any claim, suit, proceeding or
          other action regarding the presence, Release or threatened Release of
          any Hazardous Material at any location, whether at the Facilities or
          otherwise, which Hazardous Materials were allegedly manufactured,
          used, generated, processed, treated, stored, disposed or otherwise
          handled at or transported from the Facilities or otherwise.

                                       26
<PAGE>
 
          (b)  The Company has not received any notice of any proceeding, claim,
          suit or other action by any person alleging any actual or threatened
          injury or damage to any person, property, natural resource or the
          environment arising from or relating to the presence, Release or
          threatened Release of any Hazardous Materials at, or under, in or from
          the Facilities or in connection with any operations or activities
          thereat, or at, on, under, in or from any other property which
          proceeding, claim, suit or other action, if determined adversely to
          the Company, could reasonably be expected to have a material adverse
          effect.  Neither the Facilities nor any operations or activities
          thereat is or has been subject to any proceeding, claim, suit or other
          action, order or mortgage, encumbrance, security interest or lien
          relating to any applicable Environmental Requirements.

          (c)  There are no underground storage tanks presently located at the
          Facilities and there has been no Release of any Hazardous Materials
          from any underground storage tanks or related piping at the Facilities
          for which release any government authority may require remediation.
          To the knowledge of the Seller and the Company, there are no PCBs
          located at, on or in the Facilities and there is no asbestos or
          asbestos-containing material located at, on or in the Facilities.

          (d)  The Company or Seller have delivered to the Purchaser true,
          complete and correct copies or results of any and all reports,
          studies, analyses, tests or monitoring in the possession of or
          initiated by the Company or the Seller pertaining to the existence of
          Hazardous Materials and to any environmental concerns relating to any
          facilities, sites or real property owned, leased, operated, used or
          controlled by the Company or its predecessors in interest, or
          concerning compliance with or liability under any Environmental
          Requirements.

          (e)  No portion of the Real Property contains wetlands as defined by
          any Environmental Requirements.

8.3  OBLIGATION TO INDEMNIFY, DEFEND, AND HOLD HARMLESS:
     -------------------------------------------------- 

          (a) Seller, and Guarantor its successors, and assigns, agree to save,
          indemnify, defend, reimburse, and hold harmless including but not
          limited to those indemnification requirements under which Company is
          obligated per the Baker Hughes Indemnification:

              (i)  Purchaser; and

              (ii) the directors, officers, shareholders, employees, partners,
              agents, contractors, subcontractors, experts, licensees,
              affiliates, lessees, mortgagees, trustees, successors, assignees,
              and invitees of Purchaser, from and against any and all
              "Environmental Damages". (including costs of cleanup containment
              or other remediation) arising from or in connection with:

              (a) any Environmental Damages arising out of or relating to:  (i)
          (A) the ownership, operation, or condition at any time on or prior to
          the Closing Date of the Facilities; or (B) any Hazardous Materials or
          other contaminants

                                       27
<PAGE>
 
          that were present on the Facilities at any time on or prior to the
          Closing Date; or (ii) (A) any Hazardous Materials or other
          contaminants, wherever located, that were, or were allegedly,
          generated, transported, stored, treated, released, or otherwise
          handled by Seller or Company or by any other person for whose conduct
          they are or may be held responsible at any time on or prior to the
          Closing Date, or (B) any activities with regard to Hazardous Materials
          that were, or were allegedly, conducted by Seller or Company or by any
          other person for whose conduct they are or may be held responsible; or

               (b)  any bodily injury (including illness, disability, and death,
          and regardless of when any such bodily injury occurred, was incurred,
          or manifested itself), personal injury, property damage (including
          trespass, nuisance, wrongful eviction, and deprivation of the use of
          real property), or other damage of or to any person, including any
          employee or former employee of Seller or Company or any other person
          for whose conduct they are or may be held responsible, in any way
          arising from or allegedly arising from any activities with regard to
          Hazardous Materials conducted or allegedly conducted with respect to
          the Facilities or the operation of the Company prior to the Closing
          date, or from Hazardous Materials that was (i) present or suspected to
          be present on or before the Closing Date on or at the Facilities (or
          present or suspected to be present on any other property, if such
          Hazardous Material emanated or allegedly emanated from any of the
          Facilities and was present or suspected to be present on any of the
          Facilities on or prior to the Closing Date) or (ii) released or
          allegedly released by Seller or Company or any other person for whose
          conduct they are or may be held responsible, at any time on or prior
          to the Closing Date.

          Purchaser will be entitled to control any Cleanup, any related
          proceeding, and, any other proceeding with respect to which indemnity
          may be sought under this Section 8.3.

          (b)  This obligation shall include, but not be limited to, the burden
          and expense of defending all claims, suits, and administrative
          proceedings (with counsel reasonably approved by the indemnified
          parties), even if such claims, suits, or proceedings are groundless,
          false, or fraudulent, and conducting all negotiations of any
          description, and paying and discharging, when  and as the same become
          due, any and all judgments, penalties, or other sums due against such
          indemnified persons.  Purchaser, at its sole expense, may employ
          additional counsel of its choice to associate with counsel
          representing Seller.

          (c)  The obligations of Seller in this Section 8.3 shall survive the
          expiration or termination of this Agreement.

                                   ARTICLE IX

                   NONDISCLOSURE OF CONFIDENTIAL INFORMATION
                   -----------------------------------------

     The Seller recognizes and acknowledges that it has and will have access to
certain confidential information of the Company, such as lists of customers and
costs, that are valuable, special and unique assets of its business.  The Seller
agrees that they will not disclose such confidential information to any person,
firm, corporation, association or other entity for any purpose or reason
whatsoever, except to authorized representatives of the

                                       28
<PAGE>
 
Purchaser.  In the event of a breach or threatened breach by the Seller of the
provisions of this Article IX, the Purchaser or the Company shall be entitled to
an injunction restraining the Seller from disclosing, in whole or in part, such
confidential information.  Nothing herein shall be construed as prohibiting the
Purchaser or the Company from pursuing any other remedies, at law or in equity,
available to it.

                                   ARTICLE X

                                 MISCELLANEOUS
                                 -------------

10.1 EXPENSES.  Each of the parties will pay all costs and expenses of its
     --------                                                             
     performance of and compliance with this Agreement.

10.2 TAXES.  All real estate taxes on the real property of the Company and all
     -----                                                                    
     personal property taxes levied or assessed against any of the assets of the
     Company prior to the Closing Date are for the account of the Seller and the
     Seller hereby agrees to promptly reimburse the Purchaser any amounts paid
     by the Purchaser in respect of such taxes, or alternatively, to promptly
     pay such taxes to the appropriate taxing authority when due.

10.3 ENVIRONMENTAL AUDIT.  Purchaser will conduct a complete environmental audit
     -------------------                                                        
     of the facilities being purchased from Seller.  Purchaser will not be
     required to close this transaction should such audit disclose any material
     problem or potential problem.

10.4 NON-COMPETITION.  For a period of five (5) years from the Closing Date or
     ---------------                                                          
     until a material breach of this Agreement by Purchaser acting in bad faith,
     whichever comes first, Seller shall not engage in the business of
     inspection as it relates to pipelines for the transmission of liquid or gas
     products or materials, nor any other business conducted by the Company as
     of the date hereof, except under contract with Purchaser.

10.5 NOTICES.  All notices, requests, demands and other communications required
     -------                                                                   
     or permitted to be given hereunder shall be in writing and shall be deemed
     to have been duly given if delivered personally, via facsimile transmission
     or mailed first-class, postage prepaid, registered or certified mail as
     follows:

     (a)  If to the Purchaser:

          Tuboscope Pipeline Services
          2835 Holmes Road
          Houston, Texas  77051
          Attention:  James F. Maroney, III
                      General Counsel
          FAX:  (713) 799-5227

     (b)  If to the Company:

          Vetco Pipeline Services, Inc.
          1600 Brittmoore Road
          Houston, TX  77043
          Attention:  Gordon Griffiths
          FAX:  (713) 468-2104

                                       29
<PAGE>
 
     (c)  If to the Shareholder or Seller:

          Rauma USA, Inc.
          1800 Parkway Place - Ste. 230
          Marietta, GA  30067
          Attention: Veli-Heikki Kosonen
          FAX:  (770) 427-7329

     (d)  If to the Guarantor:

          Rauma Corporation
          Rauma OY
          Fabianinkatu gA, Helsinki, Finland 00100
          Attention: Rolf Modeen, General Counsel
          FAX:  (358) 204 803125

10.6 GOVERNING LAW; INTERPRETATION; SECTION HEADINGS.  This Agreement shall be
     -----------------------------------------------                          
     governed by and construed and enforced in accordance with the laws of the
     State of Texas.  The section headings contained herein are for purposes of
     convenience only, and shall not be deemed to constitute a part of this
     Agreement or to affect the meaning or interpretation of this Agreement in
     any way.  This Agreement is performable in Harris County, Texas, and
     therefore the parties agree that venue for any dispute under this Agreement
     is proper in that county.

10.7 ENTIRE AGREEMENT.  This Agreement and the schedules hereto set forth the
     ----------------                                                        
     entire agreement and understanding of the parties with respect to the
     transactions contemplated hereby, and supersede all prior agreements,
     arrangements and understandings related to the subject matter hereof.  No
     representation, promise, inducement or statement of intention has been made
     by any party hereto which is not embodied in this Agreement, or in the
     exhibits or schedules hereto or the written statements, certificates, or
     other documents delivered pursuant hereto or in connection with the
     transactions contemplated hereby, and no party hereto shall be bound by or
     liable for any alleged representation, promise, inducement or statement of
     intention not so set forth.  All the terms, provisions, covenants,
     representations, warranties and conditions of this Agreement shall be
     binding upon, and inure to the benefit of and be enforceable by the parties
     hereto and their respective successors.  This Agreement may be amended,
     modified, superseded or cancelled, and any of the terms, provisions,
     covenants, representations, warranties or conditions hereof may be waived,
     only by a written instrument executed by all parties hereto, or, in the
     case of a waiver, by the party waiving compliance.  The failure of any
     party at any time or times to require performance of any provision hereof
     shall in no manner affect the right to enforce the same.  No waiver by any
     party of any condition, or of the breach of any term, provision, covenant,
     representation or warranty contained in this Agreement, whether by conduct
     or otherwise, in any one or more instances, shall be deemed to be or
     construed as a further of continuing waiver of any such condition or breach
     or a waiver of any other condition or of the breach of any other term,
     provision, covenant, representation or warranty.

10.8 BROKERS.  No broker or finder has acted for the Seller or the Purchaser in
     -------                                                                   
     connection with this Agreement or the transactions contemplated by this
     Agreement.

                                       30
<PAGE>
 
10.9  ARBITRATION.  Purchaser, Company and Shareholder shall use their best
      -----------                                                          
      efforts to settle any controversy or claim arising out of or relating to
      this Agreement, or the breach thereof, but, if after 30 days, the parties
      are not able to agree on any settlement, such controversy or claim arising
      out of or relating to this Agreement, or the breach thereof, shall be
      settled by arbitration to be held in Harris County, Texas in accordance
      with the Commercial Arbitration Rules of the American Arbitration
      Association, and judgment upon the award rendered by the Arbitrator(s) may
      be entered in any court having jurisdiction thereof.

10.10 PUBLIC ANNOUNCEMENTS.  The parties hereto will agree upon the timing and
      --------------------                                                    
      content of the initial press release to be issued describing this
      Agreement and will not make any public announcement thereof prior to
      reaching such agreement, and under no circumstances before the Closing
      Date, unless required to do so by applicable law or regulations (in which
      event, however, the party so required to make such announcement will
      endeavor in advance to inform the other party regarding the reason for and
      content of such required announcement). To the extent reasonably requested
      by any party, each party will hereafter consult with and provide
      reasonable cooperation to the others in connection with the issuance of
      further press releases or other public documents describing this
      Agreement.

                                       31
<PAGE>
 
     IN WITNESS WHEREOF, the parties have executed this Agreement as of the date
first above written.

<TABLE> 

<S>                                 <C>
"Purchaser"                         "Company"

TUBOSCOPE VETCO INTERNATIONAL       VETCO PIPELINE SERVICES, INC.

By:                                 By:
   --------------------------           -------------------------------
Title:                              Title:
      -----------------------             -----------------------------
   
"Guarantor"                         "Shareholder and Seller"

RAUMA CORPORATION                   RAUMA USA, INC.

By:                                 By:
   --------------------------          -------------------------------- 
Title:                              Title:
      -----------------------             -----------------------------
</TABLE> 

                                       32

<PAGE>
 
                                  EXHIBIT 2.2


                                 ADDENDUM NO. 1
                                 --------------

                       STOCK PURCHASE AND SALE AGREEMENT
                       ---------------------------------


     This ADDENDUM No. 1 dated as of the 20th day of September, 1996, to the
original Agreement dated and entered into as of the 6th day of September 1996,
by and among Tuboscope Pipeline Services, Inc., a Texas corporation (hereinafter
referred to as "Purchaser") and Vetco Pipeline Services, Inc., a Texas
corporation (hereinafter referred to as "Company"), Rauma USA, Inc. a Delaware
corporation (hereinafter referred to as "Seller" and/or "Shareholder"), and
Rauma Corporation, a Finland corporation (hereinafter referred to as
"Guarantor").

                                   ARTICLE IV

                     REPRESENTATIONS AND WARRANTIES BY THE
                     -------------------------------------
                         SELLER, COMPANY AND GUARANTOR
                         -----------------------------


     In addition to and subject to all other terms of those representations and
warranties made by the Sellers, Company and Guarantor in the original Agreement,
the Seller, Company and Guarantor jointly and severally, hereby represent and
warrant to Purchaser as follows:

4.24  SHAREHOLDER MEETINGS.  The Company held Shareholder meetings per the by-
      ---------------------                                                  
      laws of the Company and the laws of the State of Texas and all corporate
      action as required as a result of those meetings and any resolution of
      vote thereof, was taken by the officers and directors of the Company.
      Consent of the sole shareholder dated the Closing date is attached as
      Schedule 4.24 hereto.
      -------------------- 

4.25  UNRETURNED SHARE CERTIFICATES.  The shares of the Company represented by
      ------------------------------                                          
      Stock certificate No. 57 for 40,000 shares of common stock, stock
      certificate No. 75 for 10,000 shares of common stock and stock certificate
      No. 29 for 400 shares of common stock have been acquired by the Seller and
      stock certificates thereafter canceled. The stock certificates were lost.
      Subject to all of the representations and warranties of stock ownership
      under Section 4.2 of the original agreement, prior to transfer to

                                       33
<PAGE>
 
    Purchaser, Seller is sole owner of all rights, title and interest in and to
    the capital interests represented by stock certificates No. 57, No. 75 and
    No. 29, regardless of the physical status of the subject share certificates.
    An Affidavit signed by an original shareholder with regard to the lost stock
    certificate No. 29 and an Affidavit signed by Seller and Company with regard
    to all three lost stock certificates are attached as Schedule 4.25 hereto.
                                                         -------------        
 
 
- --------------------------------           ------------------------------
TUBOSCOPE PIPELINE SERVICES INC.           VETCO PIPELINE SERVICES INC.
 
 
 
- --------------------------------           ------------------------------
RAUMA CORPORATION                          RAUMA USA, INC.

                                       34

<PAGE>
 
                                  EXHIBIT 2.3


                                 ADDENDUM NO. 2
                                 --------------


                       STOCK PURCHASE AND SALE AGREEMENT
                       ---------------------------------


  This ADDENDUM No. 2 dated as of the 20th, day of September, 1996, to the
original Agreement dated and entered into as of the 6th day of September 1996,
by and among Tuboscope Pipeline Services, Inc., a Texas corporation (hereinafter
referred to as "Purchaser") and Vetco Pipeline Services, Inc., a Texas
corporation (hereinafter referred to as "Company"), Rauma USA, Inc. a Delaware
corporation (hereinafter referred to as "Seller" and/or "Shareholder"), and
Rauma Corporation, a Finland corporation (hereinafter referred to as
"Guarantor").

  It is expressly agreed and acknowledged that Vetco Pipeline Services Mexico,
Inc. is hereby deleted in its entirely from Schedule 4.3 of the above referenced
Agreement in that its shares have been transferred from Company to Seller with
the consent and approval of all parties hereto.

  It is further expressly agreed and acknowledged that the requirement for the
resignation of Flor de Ma Casanova Rincon as a director of Vetco Pipeline
Services S.A. de C.V. prior to closing is hereby waived by all parties.


                                     --------------------------------
                                     TUBOSCOPE PIPELINE SERVICES INC.


                                     --------------------------------
                                     VETCO PIPELINE SERVICES INC.


                                     --------------------------------
                                     RAUMA USA, INC.


                                     -------------------------------- 
                                     RAUMA CORPORATION

                                       35

<PAGE>
 
                                  EXHIBIT 99.1


PRESS RELEASE                                      Contact: Joe Winkler
                                                   (713) 799-5100


         TUBOSCOPE VETCO INTERNATIONAL ANNOUNCES ACQUISITION OF VETCO
                            PIPELINE SERVICES, INC.


HOUSTON, September 23, 1996, -- Tuboscope Vetco International Inc. (TUBO) today
announced that it has acquired Vetco Pipeline Services, Inc., a Houston, Texas
based provider of in-line pipeline inspection services.  The company, which had
no previous affiliation with Tuboscope, was acquired from Rauma Corporation of
Finland for an undisclosed price.  Unaudited revenue was $12.5 million for the
company for the trailing twelve months ended July 31, 1996.

"The addition of Vetco Pipeline Services to Tuboscope's pipeline inspection
business significantly strengthens our position in the worldwide pipeline
inspection market," said John F. Lauletta, president and chief executive officer
of Tuboscope.  "By combining our technology, experience, and infrastructure the
acquisition positions us well in this market, which we expect to grow as the
world's pipeline systems age and require higher levels of inspection and
maintenance."

Both Vetco Pipeline Services and Tuboscope Pipeline Services provide inspection
via the use of sophisticated, intelligent "pigs" that are propelled through the
pipelines to locate corrosion and other defects.  The companies work closely
with pipeline operators to identify defects which can create safety and
environmental hazards.  Inspection through intelligent pigging is a critical
component of pipeline integrity management.

                                       36
<PAGE>
 
Tuboscope expects to benefit from the consolidation of overlapping products with
Vetco Pipeline Services.  Tuboscope pioneered intelligent pigging in the 1960s,
and recently introduced a digital, high-resolution pig.  Both Tuboscope and
Vetco provide intelligent pigging services worldwide.

Tuboscope Vetco International is the world's leading supplier of oilfield
tubular coating and inspection services, oilfield solids control equipment and
services, and coiled tubing equipment to the petroleum industry.  Additionally,
it sells and leases advanced in-line inspection equipment to the makers of oil
country tubular goods; and provides quality assurance and inspection services to
a diverse range of worldwide industries.  Tuboscope is headquartered in Houston
and services markets in more than 54 countries.  1995 pro forma revenues,
including the full-year effect of its Drexel acquisition, together with
acquisitions made by Drexel in 1995, were $315 million.

                                      ###

                                       37


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