Document:

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                                                                   Exhibit 10.69

                       FIFTH AMENDMENT OF LEASE AGREEMENT

STATE OF TEXAS                                ss.

COUNTY OF HARRIS                              ss.

     This Fifth Amendment to Lease Agreement ("Fifth Amendment") is made and
entered into effective as of May 23, 2002 by and between 600 C.C. Business Park
Ltd. ("Landlord") and Industrial Data Systems, Inc. ("Tenant").

                                    Recitals

     A.   WHEREAS, 600 C.C. Business Park Ltd. as "Landlord" and Industrial Data
          Systems, Inc. `Tenant" entered into that certain Lease Agreement dated
          January 16,1991, ("Original Lease") and a First Amendment to the Lease
          was dated December 7, 1993, and a Second Amendment to the Lease was
          dated December 29, 1994, and a Third Amendment to the Lease dated
          August 8, 1995, and a Fourth Amendment to the Lease dated August 30,
          1998 for the ("Leased Premises") consisting of 20,525 square feel of
          leasable area in Landlord's Century Center Business Park, known as
          Suite C-140 located at 600 Century Park Drive, Houston, Texas 77073.
          Tenant has accepted and occupies the lease premises under the terms
          and conditions stated in the Lease Agreement;

     B.   WHEREAS Tenant and Landlord hereby agree that no other document has
          been executed or exchanged between the parties hereto other that the
          original Lease Agreement, the First Amendment, the Second Amendment,
          the Third Amendment and the Fourth Amendment to the Lease specified
          above and that there are no side letters or any oral agreements
          between the parties and;

     C.   WHEREAS, Tenant and Landlord agree this Lease Amendment shall come
          into full force and effect on May 1,2002.

     D.   WHEREAS, Landlord and Tenant desire to modify the Lease so as to
          modify certain terms and provisions outlined in the original Lease,
          and;

     E.   WHEREAS, Landlord and Tenant agree that all defined terms used in this
          Fifth Amendment of Lease Agreement shall have the same meaning
          assigned to them in the original Lease and subsequent Amendments,
          unless the context herein expressly provides otherwise.

          NOW, THEREFORE, for one dollar ($1.00) and other good and valuable
          consideration, the receipt and sufficiency of which are hereby
          acknowledged, Landlord and Tenant hereby as follows:

     1.   Extension of Lease Term: Landlord and Tenant hereby agree to extend
          the Lease Term for an additional thirty-six months (36) from September
          1, 2002 to August 31, 2005, thereby making the expiration date of the
          Lease August 31, 2005 unless extended and/or sooner terminated
          pursuant to any provision of the Lease.

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                                                                   Exhibit 10.69

Industrial Data Systems, Inc.      Fifth Amendment of Lease Agreement
Century Center:         600 Century Plaza Drive, Suite A 140

     2.   Base Rental Rate: Landlord and Tenant agree the base rental shall
          remain as scheduled in Fourth Amendment of Lease Agreement through
          August 31, 2002. Thereafter, the monthly base rental shall be modified
          to allow for the following base rental rates: Rental rate for 20,525
          sf.
          September 1, 2002--August 31,2003 @$.545 per sf. $11,186.13
          September 1, 2003--August 31,2005 @$.565 per sf. $11,596.63

     3.   Security Deposit: Tenant and Landlord acknowledge a security deposit
          of $1,800.00 is on deposit with the Landlord.

     4.   Condition of Premises: Tenant agrees to take the current lease
          premises of 20,525 sq. ft. in an "as is" "where as" condition subject
          to the Landlord' s carpet and paint allowance which shall be installed
          in the premises as the Tenant sees fit.

     3.   Landlord's Carpet and Paint Improvement Allowance: Landlord will pay
          for carpet and paint installed in the premises in an amount not to
          exceed Twelve Thousand Dollars ($12,000.00).

     6.   Common Area Maintenance, Taxes, Insurance (Operating Expenses):
          Landlord and Tenant agree that all Operating Expense shall be included
          in the base rental rate. Tenant will have no exposure to any increase
          in the Operating Expenses through the expiration of the lease term,
          August 31, 2005.

     All other terms and provisions of the original lease, which are applicable,
     shall remain as specified in these agreements.

     IN WITNESS WHEREOF, the parties have executed this Fifth Amendment of Lease
as of this 23rd day of May 2002.

TENANT:                                         LANDLORD:
INDUSTRIAL DATA SYSTEMS, INC                    600 C.C. BUSINESS PARK LTD.

BY: /s/ William A. Coskey                       BY: /s/ John W. Costello
Name: William Coskey                            Name: John W. Costello
TITLE: President                                TITLE: General Partner
DATE:  5/8/02                                   DATE:  5/23/02

                                        2<PAGE>

                                                                    Exhibit 10.2

                              SEPARATION AGREEMENT

         It is hereby agreed by and between Jonathan M. Clarkson ("Employee")
and Mission Resources Corporation ("Company"), that Employee will separate from
employment with Company effective September 30, 2002, (hereinafter "Separation
Date"), and that in order to resolve amicably all matters concerning Company
employment and release, Employee and Company, in consideration of their mutual
promises and other consideration itemized below, hereafter enter into the
following agreement:

         1. When used in this Agreement, "Company and/or its Affiliates" shall
mean and include Mission Resources, Inc., a Delaware corporation, and all of its
predecessors, successors, parents, subsidiaries, divisions or other affiliated
companies, partners, partnerships, assigns, present and former officers,
directors, employees, shareholders, agents, employee benefit plans and plan
fiduciaries, whether in their individual or official capacities.

         2. Nothing stated in this Agreement, or stated or done in connection
herewith, shall constitute or indicate in any way any admission of wrongdoing of
any kind either by Employee or Company and/or its Affiliates.

            (a) Company agrees that upon execution by Employee and receipt by
its representative of this Agreement and the Release appended as Exhibit B,
Company will pay Employee, a total of $1,250,000.00 (the "Severance Payment"),
less payroll deductions for Federal Income Tax (at the supplemental withholding
rate of 26%) and FICA (Medicare portion only). The above sum will be paid in a
lump sum on the Effective Date (defined in Section 8 below). The Severance
Payment is made pursuant to and in full settlement of all cash payments due to
Employee under the terms of the Employment Agreement between Employee and
Company dated May 2, 2001 ("Employment Agreement"). The Severance Payment will
not be eligible for 401(k)-plan participation.

            (b) In addition, the Employee shall be entitled to the following:

                (i) For the twenty-four (24) month period after the Separation
            Date, Company, at its sole expense, shall continue to provide or
            arrange to provide Employee (and Employee's dependents) with health
            insurance benefits no less favorable than the health plan benefits
            provided by Company (or any successor) during such twenty-four (24)
            month period to any senior executive officer of Company, and shall
            continue to provide the additional dental benefits described in a
            memorandum dated April 29, 2002 (a copy of which has been provided
            to the Executive) in accordance with the terms set forth therein;
            provided, further, to the extent the coverage or benefits received
            are taxable to Executive, the Company shall make Executive "whole"
            on a net after tax basis, and Employee's rights under any other
            welfare or benefit plans maintained by the Company and/or its
            Affiliates will be governed by the terms of such plans; and

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                (ii) An amount, in cash, equal to the sum of (a), any
            unreimbursed expenses incurred by Employee in the performance of his
            duties hereunder through the Separation Date upon submission of
            appropriate documentation in accordance with Company policy, plus
            (b), any accrued and unused vacation time as of the Separation Date.

            (c) Set forth on Exhibit A attached hereto is a list of all options
or rights to acquire the Company's and/or its Affiliates' capital stock held by
the Employee that were issued to the Employee on or before the Separation Date
(the "Options"). The Employee will surrender to the Options to the Company on
the Separation Date, and hereby relinquishes any and all claims of any type to
the Options.

            (d) The Employee agrees to provide consulting services to the
Company and/or its Affiliates on the terms and conditions set forth below during
the one year period subsequent to the Separation Date (the "Consulting Period").
In consideration for such consulting services, and Employee's execution of the
Release, including any claims under the Age Discrimination in Employment Act,
the Company will pay to the Employee $125,000 on each of the Effective Date and
March 31, 2003 ($250,000 total), and will reimburse the Employee for all out of
pocket expenses incurred in providing consulting services during the Consulting
Period upon submission of appropriate documentation in accordance with Company
policy. During the Consulting Period, the Employee will be available to consult
with the Company on an as needed basis with regard to such matters as may be
reasonably related to Employee's previous experience and responsibilities with
the Company prior to the date of this Agreement as the CEO and Board of
Directors shall reasonably request and specify, including, without limitation,
consultation regarding the Company's capital and operating budgets, financings,
commercial banking and investment banking relationships, financial reporting and
accounting, and exploration and development projects. To the extent necessary,
such services shall be provided in the Company's Houston, Texas offices, unless
otherwise agreed by the Company and Employee. The CEO or the Board of Directors
shall give Employee reasonable prior notice of the nature and scope of the
services needed. The Employee agrees to be available during normal business
hours for a minimum of 20 hours of consulting services per week until March 31,
2003, and thereafter, on an as needed but reduced basis during the remainder of
the Consulting Period. Such services shall be performed at times selected by
mutual agreement of the Company and the Employee and such services shall be
requested only as reasonably needed by the Company. Employee shall not be
limited in any manner in accepting other employment and/or performing services
for others on account of his obligation hereunder to perform consulting
services. Employee shall not be expected to be available to perform such
services on a regular daily basis, it being acknowledged that Employee shall
have substantial duties and responsibilities with respect to other business
endeavors and scheduling of any services to be provided by Employee hereunder
shall be subject to such other duties and responsibilities. The Employee will be
considered as an independent contractor during the Consulting Period and will
not be entitled to any other benefits or compensation of any type during the
Consulting Period, except as set forth herein.

                                       -2-

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            (e) Employee hereby resigns as of the Separation Date as an officer
and director of the Company and its Affiliates.

            (f) Except as otherwise specifically noted, any payments set forth
above shall be subject to Company's required tax withholding obligations, if
any. Notwithstanding the foregoing, if any excise tax relating to "parachute
payments" under Section 280G of the Code applies to any payment made to Employee
pursuant to the terms of this Agreement, then Company shall pay Employee an
additional payment in an amount such that, after payment of federal income taxes
(but not the excise tax) on such additional payment, Employee retains an amount
equal to the excise tax originally imposed on the payment

         4. Employee agrees that the provisions of Sections 7 and 8 of the
Employment Agreement will expressly survive the termination of the Employment
Agreement and will remain in full force and effect in accordance with their
terms after the Separation Date, it being agreed that the covenants of Employee
not to hire, employ, solicit or engage any employee of the Company or its
affiliates under Section 8 of the Employment Agreement shall not apply to any
employee who at such time is no longer an employee of the Company or its
affiliates. Employee also acknowledges that during the course of Employee's
employment Employee has had access to certain trade secrets of Company and that
such trade secrets constitute valuable, highly confidential, special and unique
property of Company, which Employee agrees not to disclose. These "trade
secrets" include but are not limited to maps, computer programs, engineering
studies, geological studies, proposed transactions, and files, records and
documents relating thereto. Also, the "trade secrets" include lists of customers
who utilize Company's services, and related customer information. However, such
trade secrets do not include customers with whom Employee had a business
relationship before being employed by Company. These "trade secrets" shall not
include any information readily discernable from trade or general circulation
publications or otherwise existing or available in the public domain.

         5. Company and Employee acknowledge that during the term of the
Employment Agreement and for a period of six years thereafter, Company shall
cause Employee to be covered by any policy or contract of insurance obtained by
it to insure its directors and officers against personal liability for acts or
omissions in connection with service as an officer or director of Company or
service in other capacities at the request of Company. The coverage provided to
Employee pursuant to this paragraph shall be of a scope and on terms and
conditions at least as favorable as the most favorable coverage provided to any
other officer or director of Company (or any successor). In addition, the
Company agrees that the Indemnification Agreement dated September 30, 2002,
entered into by and between the Company and the Employee, as well as all other
rights to which Employee is entitled with regard to indemnification and
advancement of expenses, whether by virtue of the Company's certificate of
incorporation, bylaws or otherwise, will remain in full force and effect, in
accordance with its terms, after the Separation Date.

                                       -3-

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         6. Employees, officers and directors of Company shall refrain from
making any derogatory or disparaging remarks to any third party against Employee
with respect to Employee's employment by Company, Employee's performance,
Employee's character, or any such matters. Further, employees, officers and
directors of Company shall refrain from discussions among themselves using any
such derogatory or disparaging remarks.

         7. Employee shall refrain from making any derogatory or disparaging
remarks regarding Employee's employment by Company, or Company's services,
management, or operations to any third party other than members of Employee's
immediate family.

         8. Employee acknowledges that he or she has been given a period of at
least 21 days within which to consider this Agreement as required by the Age
Discrimination in Employment Act, and the Release attached hereto as Exhibit B
and to be executed hereunder, and that these documents have been executed by
Employee voluntarily, with full knowledge of all relevant information and after
ample opportunity to consult with legal counsel. Employee is hereby advised to
consult with an attorney prior to entering into this Agreement and the Release
to be executed hereunder. Employee and Company further agree that Employee has a
period of seven (7) days following Employee's execution of this Agreement and
the Release to be executed hereunder in which to revoke these documents by
delivering to Company's undersigned representative written notice of Company
revocation (such notice to be effective on dispatch), and that this Agreement
and the Release executed hereunder shall not become effective or enforceable
until such revocation period has expired. If Employee timely elects to revoke
the Agreement, all of the provisions of this Agreement shall be void and
unenforceable. This Agreement shall become effective and enforceable immediately
upon the date of the expiration of the revocation period (the "Effective Date").
At Employee's option and sole discretion, Employee may waive the twenty-one (21)
day review period and execute this Agreement before the expiration of twenty-one
(21) days in which case the seven-day revocation period shall commence upon
Employee's execution of this Agreement. If Employee elects to waive the
twenty-one (21) day review period, Employee acknowledges and admits that he was
given a reasonable period of time within which to consider this Agreement and
his waiver is made freely and voluntarily, without duress or any coercion by any
other person.

         9. Except as required by applicable law, including, without limitation,
the Securities Exchange Act of 1934, as amended, Company and Employee agree that
they will not disclose to any other person or entity and will keep confidential
the fact of the existence of this Agreement, and all other facts or information
of every kind concerning this Agreement. Notwithstanding the foregoing, Employee
may disclose the existence of this Agreement or information therein to
Employee's family, Employee's attorney(s) or to Employee's financial advisors or
tax preparer or to the government for tax purposes (each of whom will be advised
that this Agreement is to remain confidential), or as otherwise required by law.

                                       -4-

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         10. In the event and for so long as the Company is actively contesting
or defending against any action, suit, proceeding, hearing, investigation,
charge, complaint, claim, or demand brought against (a) the Company or (b) the
Employee in his capacity of employee, director or officer of the Company in
connection with any fact, situation, circumstance, status, condition, activity
practice, plan, occurrence, event, incident, action, failure to act, or
transaction involving the Company, then Employee will reasonably cooperate with
the Company or its counsel in the contest or defense, and provide such testimony
and access to his books and records as shall be reasonably necessary in
connection with the contest or defense, all at the sole cost and expense of the
Company. The Employee further agrees to not provide assistance of any kind,
other than as required by law, to any party to assist in pursuing any currently
pending or threatened claim, litigation, arbitration, mediation, administrative
hearing or other legal proceedings against the Company.

         11. Any dispute arising out of or relating to this Agreement, or any
breach thereof, shall be resolved by binding arbitration in Houston, Texas, in
accordance with the Employment Arbitration Rules of the American Arbitration
Association then in effect, as amended by this Agreement, and judgment on the
award rendered by the arbitrator may be entered in any court of competent
jurisdiction. The parties agree that the arbitrator shall have no power or
authority to make awards or issue orders of any kind except as expressly
permitted by this Agreement. The arbitrator's decision shall follow the plain
meaning of the relevant documents, apply Texas law, and shall be final and
binding. The location of such arbitration in Houston, Texas, shall be selected
by the Company in its sole and absolute discretion. All costs and expenses,
including attorneys' fees, relating to the resolution of any such dispute shall
be borne by the party incurring such costs and expenses.

         Notwithstanding the preceding paragraph, the parties acknowledge that
either of them may seek emergency or temporary injunctive relief, but absolutely
no other relief, in any court of competent jurisdiction. All other disputes,
claims and remedies shall be settled by arbitration in accordance with this
Section 11.

         12. (a) This Agreement, the surviving paragraphs of the Employment
Agreement and the Indemnification Agreement constitute the entire agreement
between the parties.

             (b) The parties warrant that no representations have been made
other than those contained in the written provisions of this Agreement, and that
they do not rely on any representations not stated in this Agreement.

             (c) The parties further warrant that they or their undersigned
representatives are legally competent and fully authorized to execute and
deliver this Agreement.

             (d) The parties confirm they have had the opportunity to have this
Agreement explained to them by attorneys of their choice, and that they executed
this Agreement freely, knowingly and voluntarily. The Company is relying on its
own judgment and on the advice of its attorneys and not upon any recommendation
of Employee or his agents, attorneys or other representatives. Likewise,
Employee is relying on his own judgment and on the advice of his

                                       -5-

<PAGE>

attorneys, and not upon any recommendation of the Company or its directors,
officers, employees, agents, attorneys or other representatives. By voluntarily
executing this Agreement, both parties confirm their competence to understand
and do hereby accept the terms of this Agreement as resolving fully all
differences, disputes and claims that may exist within the scope of this
Agreement.

              (e) Employee represents that he has not filed or authorized the
filing of any complaints, charges or lawsuits against the Company with any
federal, state or local court, governmental agency, or administrative agency,
and that if, unbeknownst to Employee, any such complaint has been filed on his
behalf, he will use his best efforts to cause it to immediately be withdrawn and
dismissed with prejudice.

              (f) The Company represents that it has not filed or authorized the
filing of any complaints, charges or lawsuits against Employee with any federal,
state or local court, governmental agency, or administrative agency, and that
if, unbeknownst to the Company, any such complaint has been filed on its behalf,
it will use his best efforts to cause it to immediately be withdrawn and
dismissed with prejudice.

              (g) This Agreement may not be modified or amended except by a
writing signed by all parties. No waiver of this Agreement or of any of the
promises, obligations, terms, or conditions contained in it shall be valid
unless it is in writing signed by the party against whom the waiver is to be
enforced.

              (h) If any part or any provision of this Agreement shall be
finally determined to be invalid or unenforceable under applicable law by a
court of competent jurisdiction, that part shall be ineffective to the extent of
such invalidity or unenforceability only, without in any way affecting the
remaining parts of said provision or the remaining provisions of the Agreement.

              (i) The parties have cooperated in the preparation of this
Agreement. Hence, the Agreement shall not be interpreted or construed against or
in favor of any party by virtue of the identity, interest, or affiliation of its
preparer.

              (j) This Agreement is made and shall be enforced pursuant to the
laws of the State of Texas, without regard to its law governing conflicts of
law. All performance required by the terms of this Agreement shall take place in
Harris County, Texas.

              (k) Agreement shall be binding on and inure to the benefit of
Employee and Company as well as all of their heirs, executors, administrators,
officers, directors, employees, stockholders, successors and assigns, and all
subsidiaries, affiliates and representatives of any of the foregoing entities.

              (l) This Agreement and the Release contain the entire agreement of
the parties in complete satisfaction of any and all claims Employee or Company
may have against each other as of the date of execution of this Agreement,
whether or not arising from that certain Employment Agreement between Employee
and Company dated May 2, 2001, which agreement

                                      -6-

<PAGE>

is terminated except as expressly set forth herein. This Agreement may be
executed in one or more counterparts, all of which together shall constitute a
single instrument.

         The parties to this Agreement have executed this instrument on the
dates set forth below.

Date: September 30, 2002                /s/ Jonathan M. Clarkson
                                       -----------------------------------------
                                       Jonathan M. Clarkson

Date: September 30, 2002               Mission Resources Corporation

                                       By: /s/ Robert J. Cavnar
                                          -------------------------------------
                                           Robert J. Cavnar, Chairman and Chief
                                             Executive Officer

                                       -7-

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                                    EXHIBIT A

                                 OPTION SCHEDULE

                               Grant Date   Amount
                               ----------   ------

                                05/16/01    100,000
                                05/16/01    100,000
                                05/16/01    100,000

                                      -8-

<PAGE>

                                    EXHIBIT B

                                     RELEASE

         FOR VALUE RECEIVED, the receipt of which is hereby acknowledged,
Jonathan M. Clarkson ("Employee"), for himself and his heirs, executors,
administrators, and assigns, agrees to hereby release, acquit and forever
discharge Mission Resources Corporation as well as each of its assigns,
divisions, subsidiaries, predecessors, successors, parents, divisions or
affiliated companies or entities, partners, partnership, present or former
officers, directors, employees, shareholders, agents, employee benefit plans and
plan fiduciaries, whether in their individual or official capacities
(hereinafter collectively "Company"), of and from any and all obligations,
claims, counterclaims, third-party claims, debts, demands, covenants, contracts,
security agreements, promises, agreements, liabilities, controversies, costs,
expenses, attorneys' fees, actions, amended causes of action, or causes of
action whatsoever, whether known or unknown, suspected or unsuspected, he ever
had or now has or claims to have against Company from the beginning of the world
to the day and date hereof, including specifically but not exclusively, and
without limiting the generality of the foregoing, any and all claims, demands
and causes of action, known or unknown, suspected or unsuspected, arising out of
any transaction, act or omission concerning the Employment Agreement and
Employee's former employment by Company, and all claims of every kind for any
wages, salary, compensation, sick time, vacation time, paid leave or other
remuneration of any kind; any claim of discrimination and/or retaliation on the
basis of race, sex, religion, marital status, sexual preference, national
origin, handicap or disability, veteran status, or special disabled veteran
status; for any claim arising under Title VII of the Civil Rights Act of 1964,
the Civil Rights Act of 1991, the Age Discrimination in Employment Act of 1967,
the Employee Retirement Income Security Act of 1974, the Americans with
Disabilities Act, the Family and Medical Leave Act, the Fair Labor Standards Act
of 1938, the Texas Commission on Human Rights Act, Chapter 451 of the Texas
Labor Code, or the Texas Payday Law, as such statutes may be amended from time
to time; any claim arising out of or related to an express or implied employment
contract; any other contract affecting terms and conditions of employment, or a
covenant of good faith and fair dealing; and any personal gain with respect to
any claim arising under the qui tam provisions of any state or federal law;
provided, however, that nothing contained herein shall release Company from the
obligations spelled out in a Separation Agreement between Employee and Company
of even date.

         Employee hereby acknowledges that he is executing this Release pursuant
to the terms of the Separation Agreement identified above, the terms of which,
are fully incorporated into this Release, that he has been advised to consult
with an attorney in connection with both the Separation Agreement and this
Release, that he has had sufficient time (as required under the Age
Discrimination in Employment Act and set forth in the Separation Agreement) in
which to consider entering into the Separation Agreement and providing this
Release, that the Separation Agreement includes consideration in addition to
anything of value to which Employee is entitled, that the Separation Agreement
and Release are not effective until seven days after Employee has

                                      -9-

<PAGE>

executed the Release during which period Employee may revoke the Separation
Agreement and Release.

          Employee and Company further hereby covenant and agree that this
Release shall be binding in all respects upon themselves, their heirs,
executors, administrators, assigns and transferees and all persons claiming
under them, and shall inure to the benefit of the officers, directors,
stockholders, assigns, divisions, subsidiaries, agents, employees, and
successors in interest of Employee and Company.

         IN WITNESS WHEREOF, I have signed this Release this the 30/th/ day of
September 2002.

                                            /s/                     Jon Clarkson
                                         ---------------------------------------
                                                            Jonathan M. Clarkson

         I have signed this Release on behalf of Mission Resources on this
30/th/ day of September 2002.

                                        Mission Resources Corporation

                                        By:   /s/ Robert Cavnar
                                           -------------------------------------
                                           Robert J. Cavnar, Chairman and Chief
                                             Executive Officer

                                      -10-

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