<PAGE>
                                                                    Exhibit 10.2

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                              SERVICES AGREEMENT


                                    AMONG


                        EL PASO ENERGY SERVICE COMPANY


                                     AND


                      EL PASO PRODUCTION HOLDING COMPANY

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<PAGE>
                                TABLE OF CONTENTS

<TABLE>
<S>                                                                         <C>
ARTICLE I DEFINITIONS........................................................1
  1.01  Definitions..........................................................1
  1.02  Construction.........................................................2

ARTICLE II RETENTION OF EL PASO; SCOPE OF SERVICES...........................2
  2.01  Retention of El Paso.................................................2
  2.02  Scope of Services....................................................2
  2.03  Exclusion or Addition of Services....................................3
  2.04  Performance of Services by Affiliates................................3
  2.05  Intellectual Property................................................3

ARTICLE III BOOKS, RECORDS AND REPORTING.....................................3
  3.01  Books and Records....................................................3
  3.02  Audits...............................................................3
  3.03  Reports..............................................................4

ARTICLE IV REIMBURSEMENT AMOUNT..............................................4
  4.01  Reimbursement Amount.................................................4
  4.02  Disputed Charges.....................................................4
  4.03  Set Off..............................................................4

ARTICLE V FORCE MAJEURE......................................................4
  5.01  Force Majeure........................................................4

ARTICLE VI ASSIGNMENTS, SUBCONTRACTS AND PERFORMANCE OF SERVICES.............5
  6.01  Assignments..........................................................5
  6.02  El Paso's Employees..................................................5
  6.03  Performance of Services..............................................5

ARTICLE VII LIMITATION ON LIABILITY..........................................5
  7.01  Limitation of Liability..............................................5
  7.02  Subrogation of Rights................................................5

ARTICLE VIII DISPUTE RESOLUTION..............................................6
  8.01  Disputes.............................................................6
  8.02  Negotiation to Resolve Disputes......................................6
  8.03  Selection of Arbitrator..............................................6
  8.04  Conduct of Arbitration...............................................7

ARTICLE IX TERMINATION.......................................................7
  9.01  Termination..........................................................7
  9.02  Effect of Termination................................................7

ARTICLE X GENERAL PROVISIONS.................................................8
  10.01   Notices............................................................8
  10.02   Entire Agreement; Superseding Effect...............................8
  10.03   Effect of Waiver or Consent........................................8
  10.04   Amendment or Restatement...........................................9
  10.05   Restriction on Assignment; Binding Effect..........................9
  10.06   Governing Law; Severability........................................9
</TABLE>
                                        i
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<TABLE>
<S>       <C>                                                              <C>
  10.07   Further Assurances.................................................9
  10.08   Directly or Indirectly.............................................9
  10.09   Counterparts.......................................................9
</TABLE>


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                                                                  Conformed Copy


                               SERVICES AGREEMENT

      This Services Agreement (this "Agreement") is entered into as of the 23rd
day of May, 2003 (the "Effective Date"), by El Paso Energy Service Company, a
Delaware corporation ("El Paso") and El Paso Production Holding Company, a
Delaware corporation ("EPPHC", and collectively with El Paso, the "Parties").

                                    RECITALS

      A.    EPPHC desires to engage El Paso to provide certain services
            incidental to the conduct of EPPHC's businesses; and

      B.    El Paso is willing to undertake such engagement, subject to the
            terms and conditions of this Agreement;

      NOW, THEREFORE, EPPHC and El Paso agree as follows:

                                    ARTICLE I
                                   DEFINITIONS

      1.01 DEFINITIONS. As used in this Agreement, the following terms have the
respective meanings set forth below or set forth in the Sections referred to
below:

      "AFFILIATE" shall mean with respect to any Person, any other Person that
directly or indirectly through one or more intermediaries, controls, is
controlled by, or is under common control with, such specified Person. For
purposes of this definition, "control" when used with respect to any Person
means the power to direct the management and policies of such Person, directly
or indirectly, through the ownership of voting securities, by contract or
otherwise.

      "AGREEMENT" is defined in the introductory paragraph.

      "ARBITRATION NOTICE" is defined in Section 8.02 (c).

      "ARBITRATOR" is defined in Section 8.03(a).

      "DEFAULT RATE" shall mean an interest rate (which shall in no event be
higher than the rate permitted by applicable law) equal to 300 basis points over
LIBOR.

      "DISPUTE" is defined in Section 8.01.

      "EFFECTIVE DATE" is defined in the introductory paragraph.

      "EL PASO" is defined in the recitals hereof.

      "EPPHC" is defined in the introductory paragraph.

      "FORCE MAJEURE" shall mean any cause beyond the reasonable control of a
Party, including the following causes (unless they are within such Party's
reasonable control): including, without limitation, acts of God, strikes,
lockouts, acts of the public enemy, wars or
<PAGE>
warlike action (whether actual or impending), arrests and other restraints of
government (civil or military), blockades, embargoes, insurrections, riots,
epidemics, landslides, lightning, earthquakes, fires, sabotage, tornadoes, named
tropical storms and hurricanes, and floods, civil disturbances, terrorism,
mechanical breakdown of machinery or equipment, explosions, confiscation or
seizure by any government or other public authority, any order of any court of
competent jurisdiction, regulatory agency or governmental body having
jurisdiction.

      "PARTICIPANTS" is defined in Section 8.01.

      "PARTIES" is defined in the introductory paragraph.

      "PERSON" means any individual, corporation, partnership, joint venture,
trust, limited liability company, association, unincorporated organization or
other entity.

      "REIMBURSEMENT AMOUNT" is defined in Section 4.01.

      "SERVICES" is defined in Section 2.02.

      "SETTLEMENT DATE" shall mean the 30th day of each calendar month for the
preceding month. In the event the 30th day falls on a Saturday or a bank holiday
other than a Monday, the "Settlement Date" shall be the immediately preceding
bank day. In the event the 30th day falls on a Sunday or Monday bank holiday,
the "Settlement Date" shall be the following bank day.

      Other terms defined herein have the meanings so given them.

      1.02 CONSTRUCTION. Unless the context requires otherwise: (a) the gender
(or lack of gender) of all words used in this Agreement includes the masculine,
feminine, and neuter; (b) references to Articles and Sections refer to Articles
and Sections of this Agreement; (c) references to Exhibits refer to the Exhibits
attached to this Agreement, each of which is made a part hereof for all
purposes; and (d) references to money refer to legal currency of the United
States of America.

                                   ARTICLE II
                     RETENTION OF EL PASO; SCOPE OF SERVICES

      2.01 RETENTION OF EL PASO. (a) EPPHC hereby engages El Paso to perform the
Services (as defined below) and to provide all employees and any facilities and
equipment not otherwise provided by EPPHC necessary to perform the Services. El
Paso hereby accepts such engagement and agrees to perform the Services and to
provide any facilities and equipment not otherwise provided by EPPHC, and to
provide all employees necessary to perform the Services.

      2.02 SCOPE OF SERVICES. The "Services" shall consist of the services
described on Exhibit 1 hereto as related to EPPHC's business. The Services shall
be provided by El Paso as directed by the officers of EPPHC.

                                       2
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      2.03 EXCLUSION OR ADDITION OF SERVICES. Upon mutual agreement of the
Parties, any particular service may be temporarily or permanently excluded from
or added to the scope of the Services.

      2.04 PERFORMANCE OF SERVICES BY AFFILIATES. The Parties hereby agree that
in discharging its obligations hereunder, El Paso may engage any of its
Affiliates to perform the Services (or any part of the Services) on its behalf
and that the performance of the Services (or any part of the Services) by any
such Affiliate shall be treated as if El Paso performed such Services itself.
Notwithstanding the foregoing and with the exception of Services excluded
pursuant to Section 2.03 above, nothing contained herein shall relieve El Paso
of its obligations hereunder.

      2.05 INTELLECTUAL PROPERTY.

            (a) Any (i) inventions, whether patentable or not, developed or
invented, or (ii) copyrightable material (and the intangible rights of copyright
therein) developed by El Paso, its Affiliates or its or their employees in
connection with the performance of the Services shall be the property of El
Paso; provided, however, that EPPHC shall be granted an irrevocable,
royalty-free, non-exclusive and non-transferable right and license to use such
inventions or material; and further provided, however, that EPPHC shall only be
granted such a right and license to the extent such grant does not conflict
with, or result in a breach, default, or violation of a right or license to use
such inventions or material granted to El Paso by any Person other than an
Affiliate of El Paso. Notwithstanding the foregoing, El Paso will use all
commercially reasonable efforts to grant such right and license to EPPHC.

            (b) EPPHC hereby grants to El Paso and its Affiliates an
irrevocable, royalty-free, non-exclusive and non-transferable right and license
to use, during the term of this Agreement, any intellectual property provided by
EPPHC to El Paso, but only to the extent such use is necessary for the
performance of the Services. El Paso agrees that it and its Affiliates will
utilize such intellectual property solely in connection with the performance of
the Services.

                                  ARTICLE III
                          BOOKS, RECORDS AND REPORTING

      3.01 BOOKS AND RECORDS. El Paso shall maintain accurate books and records
regarding the performance of the Services and its calculation of the
Reimbursement Amount (as defined below), and shall maintain such books and
records for the period required by applicable accounting practices or law.

      3.02 AUDITS. EPPHC shall have the right, upon reasonable notice, and at
all reasonable times during usual business hours, to audit, examine and make
copies of the books and records referred to in Section 3.01. Such right may be
exercised through any agent or employee of EPPHC designated in writing by it or
by an independent public accountant, engineer or attorney so designated by
EPPHC. EPPHC shall bear all costs and expenses incurred in any inspection,
examination or audit. El Paso shall review and respond in a timely manner to any
claims or inquiries made by EPPHC regarding matters revealed by any such
inspection, examination or audit.

                                       3
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      3.03 REPORTS. El Paso shall prepare and deliver to EPPHC any reports
provided for in this Agreement and such other reports as EPPHC may request from
time to time regarding the performance of the Services.

                                   ARTICLE IV
                              REIMBURSEMENT AMOUNT

      4.01 REIMBURSEMENT AMOUNT. Within five (5) days after the end of each
calendar month, El Paso shall charge EPPHC an amount equal to the estimated fees
associated with the Services performed by El Paso on behalf of EPPHC (the
"Reimbursement Amount"). The Reimbursement Amount shall be calculated on a
reasonable basis consistent with El Paso's internal cost systems and shall
include direct and indirect expenses and general and administrative overhead
expenses related to the Services. The Reimbursement Amount shall be revised
periodically to the extent the actual costs incurred are greater or less than
the estimated fees by 10% or more. On or before the Settlement Date, EPPHC shall
pay to El Paso in immediately available funds the full Reimbursement Amount due
by transfer of funds via the cash management accounts.

      4.02 DISPUTED CHARGES. EPPHC MAY, WITHIN ONE (1) YEAR AFTER RECEIPT OF THE
INTERCOMPANY ACCOUNT CHARGE WITH RESPECT TO A REIMBURSEMENT AMOUNT FROM EL PASO,
TAKE WRITTEN EXCEPTION TO SUCH CHARGE, ON THE GROUND THAT THE SAME WAS NOT A
REASONABLE COST INCURRED BY EL PASO IN CONNECTION WITH THE SERVICES. EPPHC SHALL
NEVERTHELESS PAY IN FULL WHEN DUE THE FULL REIMBURSEMENT AMOUNT CHARGED TO EPPHC
BY EL PASO. SUCH PAYMENT SHALL NOT BE DEEMED A WAIVER OF THE RIGHT OF EPPHC TO
RECOUP ANY CONTESTED PORTION OF ANY AMOUNT SO CHARGED. HOWEVER, IF THE AMOUNT AS
TO WHICH SUCH WRITTEN EXCEPTION IS TAKEN, OR ANY PART THEREOF, IS ULTIMATELY
DETERMINED IN ACCORDANCE WITH ARTICLE VIII NOT TO BE A REASONABLE COST INCURRED
BY EL PASO IN CONNECTION WITH ITS PROVIDING THE SERVICES HEREUNDER, SUCH AMOUNT
OR PORTION THEREOF (AS THE CASE MAY BE) SHALL BE REFUNDED BY EL PASO TO EPPHC
TOGETHER WITH INTEREST THEREON AT THE DEFAULT RATE DURING THE PERIOD FROM THE
DATE OF PAYMENT BY EPPHC TO THE DATE OF REFUND BY EL PASO.

      4.03 SET OFF. In the event that El Paso owes EPPHC an amount under any
other agreement between the Parties, then any such amounts shall be aggregated
and EPPHC and El Paso shall discharge their obligations by netting those amounts
against any amounts owed by EPPHC to El Paso under this Agreement. If EPPHC or
El Paso owes the other Party a greater aggregate amount, that Party shall pay to
the other Party the difference between the amounts owed.

                                   ARTICLE V
                                 FORCE MAJEURE

      5.01 FORCE MAJEURE. A Party's obligation under this Agreement shall be
excused when and to the extent its performance of that obligation is prevented
due to Force

                                       4
<PAGE>
Majeure; provided, however, that a Party shall not be excused by Force Majeure
from any obligation to pay money. The Party that is prevented from performing
its obligation by reason of Force Majeure shall promptly notify the other
Parties of that fact and shall exercise due diligence to end its inability to
perform as promptly as practicable. Notwithstanding the foregoing, a Party is
not required to settle any strike, lockout or other labor dispute in which it
may be involved; provided, however, that, in the event of a strike, lockout or
other labor dispute affecting El Paso, El Paso shall use reasonable efforts to
continue to perform all obligations hereunder by utilizing its management
personnel and that of its Affiliates.

                                   ARTICLE VI
            ASSIGNMENTS, SUBCONTRACTS AND PERFORMANCE OF SERVICES

      6.01 ASSIGNMENTS.

            (a) Without the prior consent of El Paso, EPPHC may not sell,
assign, transfer or convey any of its rights, or delegate any of its
obligations, under this Agreement to any Person.

            (b) Without the prior consent of EPPHC, El Paso may not sell,
assign, transfer or convey of any of its rights, or delegate any of its
obligations, under this Agreement to any Person, other than the delegation of
performance of Services to an Affiliate of El Paso as permitted by Section 2.04.

      6.02 EL PASO'S EMPLOYEES. EPPHC shall not be obligated to pay to El Paso's
employees directly any compensation, salaries, wages, bonuses, benefits, social
security taxes, workers' compensation insurance, retirement and insurance
benefits, training and other such expenses.

      6.03 PERFORMANCE OF SERVICES. Subject to the other provisions hereof, El
Paso agrees to use its reasonable efforts to perform all services in a
reasonable, prudent and timely manner.

                                  ARTICLE VII
                           LIMITATION ON LIABILITY

      7.01 LIMITATION OF LIABILITY. In no event shall either El Paso or EPPHC
have any liability to the other for any incidental, indirect, special or
consequential damages, whether or not caused by or resulting from negligence or
breach of obligations hereunder and whether or not informed of the possibility
of the existence of such damages.

      7.02 SUBROGATION OF RIGHTS. In the event any liability arises from the
performance of Services hereunder by a third party contractor, EPPHC shall be
subrogated to such rights, if any, as El Paso may have against such third party
contractor with respect to the Services provided by such third party contractor
to or for the benefit of EPPHC.

                                       5
<PAGE>
                                  ARTICLE VIII
                              DISPUTE RESOLUTION

      8.01 DISPUTES. This Article VIII shall apply to any dispute arising under
or related to this Agreement (whether arising in contract, tort or otherwise,
and whether arising at law or in equity), including (a) any dispute regarding
the construction, interpretation, performance, validity or enforceability of any
provision of this Agreement or whether any Person is in compliance with, or
breach of, any provisions of this Agreement, and (b) the applicability of this
Article VIII to a particular dispute (collectively, a "Dispute"). The provisions
of this Article VIII shall be the exclusive method of resolving Disputes. For
purposes of this Article VIII, each of El Paso and EPPHC shall be a
"Participant".

      8.02 NEGOTIATION TO RESOLVE DISPUTES. If a Dispute arises which is not
resolved in thirty (30) days, the Participants shall attempt to resolve such
Dispute through the following procedure:

            (a) first, an executive officer of El Paso and an executive officer
of EPPHC shall promptly meet (whether by phone or in person) in a good faith
attempt to resolve the Dispute;

            (b) second, if the Dispute is still unresolved after twenty (20)
days following the commencement of the negotiations described in Section
8.02(a), then the chief executive officers of El Paso and EPPHC will promptly
meet (whether by phone or in person) in a good faith attempt to resolve the
Dispute; and

            (c) third, if the Dispute is still unresolved after ten (10) days
following the commencement of the negotiations described in Section 8.02(b),
then any Participant may submit such Dispute to binding arbitration under this
Article VII by notifying the other Participant (an "Arbitration Notice").

      8.03 SELECTION OF ARBITRATOR.

            (a) Any arbitration conducted under this Article VIII shall be heard
by a sole arbitrator (the "Arbitrator") selected in accordance with this Section
8.03. Each Participant and each proposed Arbitrator shall disclose to the other
Participants any business, personal or other relationship or affiliation that
may exist between such Participant and such proposed Arbitrator, and any
Participant may disapprove of such proposed Arbitrator on the basis of such
relationship or affiliation.

            (b) The Participant that submits a Dispute to arbitration shall
designate a proposed Arbitrator in its Arbitration Notice. If any other
Participant objects to such proposed Arbitrator, it may, on or before the tenth
(10th) day following delivery of the Arbitration Notice, notify the other
Participants of such objection. The Participants shall attempt to agree upon a
mutually-acceptable Arbitrator. If they are unable to do so within twenty (20)
days following delivery of the notice described in the immediately-preceding
sentence, any Participant may request the American Arbitration Association
("AAA") to designate the Arbitrator. If the Arbitrator so chosen shall die,
resign or otherwise fail or becomes unable to serve as Arbitrator, a replacement
Arbitrator shall be chosen in accordance with this Section 8.03.

                                       6
<PAGE>
      8.04 CONDUCT OF ARBITRATION. The Arbitrator shall expeditiously (and, if
possible, within ninety (90) days after the Arbitrator's selection) hear and
decide all matters concerning the Dispute. Except as the Participants agree
otherwise, arbitration hearing shall be held in the City of Houston, Texas.
Except as the Participants agree otherwise, the arbitration shall be conducted
in accordance with the then-current Commercial Arbitration Rules of the AAA
(excluding rules governing the payment of arbitration, administrative or other
fees or expenses to the Arbitrator or the AAA), to the extent that such rules do
not conflict with the terms of this Agreement. Except as expressly provided to
the contrary in this Agreement, the Arbitrator shall have the power (a) to
gather such materials, information, testimony and evidence in the manner as it
deems appropriate relevant to the dispute before it (and each Participant will
provide such materials, information, testimony and evidence requested by the
Arbitrator, except to the extent any information so requested is proprietary,
subject to a third-party confidentiality restriction or to an attorney-client or
other privilege) and (b) to grant injunctive relief and enforce specific
performance. If it deems necessary, the Arbitrator may propose to the
Participants that one or more other experts be retained to assist it in
resolving the Dispute. The retention of such other experts shall require the
unanimous consent of the Participants, which shall not be unreasonably withheld.
Each Participant, the Arbitrator and any proposed expert shall disclose to each
other any business, personal or other relationship or affiliation that may exist
between such Participant (or the Arbitrator) and such proposed expert; and any
Participant may disapprove of such proposed expert on the basis of such
relationship or affiliation. The decision of the Arbitrator (which shall be
rendered in writing) shall be final, nonappealable and binding upon the
Participants and may be enforced in any court of competent jurisdiction;
provided that the Participants agree that the Arbitrator and any court enforcing
the award of the Arbitrator shall not have the right or authority to award
punitive or exemplary damages to any Participant. The responsibility for paying
the costs and expenses of the arbitration, including compensation to the
Arbitrator and any experts retained by the Arbitrator, shall be allocated
between the Participants in a manner determined by the Arbitrator to be fair and
reasonable under the circumstances. Each Participant shall be responsible for
the fees and expenses of its respective counsel, consultants and witnesses,
unless the Arbitrator determines that compelling reasons exist for allocating
all or a portion of such costs and expenses in another manner. Any costs or
expenses incurred by a Participant(s) in enforcing any award of the Arbitrator
shall be borne by the Participant challenging the enforcement.

                                   ARTICLE IX
                                   TERMINATION

      9.01 TERMINATION.

            (a) Either El Paso or EPPHC may terminate this Agreement at any time
by giving notice of such termination to the other party. Any such termination
shall become effective thirty (30) days after delivery of such notice, or such
later time (not to exceed the first anniversary of the delivery of such notice)
as may be mutually agreed upon by El Paso and EPPHC.

      9.02 EFFECT OF TERMINATION. If this Agreement is terminated in accordance
with Section 9.01, all rights and obligations under this Agreement shall cease
except for (a) obligations that expressly survive termination of this Agreement;
(b) liabilities and

                                       7
<PAGE>
obligations that have accrued prior to such termination, including the
obligation to pay any amounts that have become due and payable prior to such
termination, and (c) the obligation to pay any portion of the Reimbursement
Amount that has accrued prior to such termination, even if such portion has not
become due and payable at that time.

                                    ARTICLE X
                               GENERAL PROVISIONS

      10.01 NOTICES. Except as expressly set forth to the contrary in this
Agreement, all notices, requests or consents provided for or permitted to be
given under this Agreement must be in writing and must be delivered to the
recipient in person, by courier or mail or by facsimile, telegram, telex,
cablegram or similar transmission; and a notice, request or consent given under
this Agreement is effective on receipt by the Party to receive it; provided,
however, that a facsimile or other electronic transmission that is transmitted
after the normal business hours of the recipient shall be deemed effective on
the next Business Day. All notices, requests and consents to be sent to El Paso
must be sent to or made at the address given below for El Paso, or such other
address as El Paso may specify by notice to EPPHC. All notices, requests and
consents (including copies thereof) to be sent to EPPHC must be sent to or made
at the address given below for EPPHC.

      Address for Notices:

      If to EPPHC, to:
      El Paso Production Holding Company
      Nine Greenway Plaza
      Houston, Texas 77046
      Attention:   Corporate Secretary
      Facsimile:  (713)  420-4099

      If to El Paso, to:

      El Paso Energy Service Company
      1001 Louisiana Street
      Houston, Texas 77002
      Attention:   Corporate Secretary
      Facsimile:  (713)  420-4099

      10.02 ENTIRE AGREEMENT; SUPERSEDING EFFECT. This Agreement constitutes the
entire agreement of the Parties relating to the matters contained herein,
superseding all prior contracts or agreements, whether oral or written, relating
to the matters contained herein.

      10.03 EFFECT OF WAIVER OR CONSENT. Except as otherwise provided in this
Agreement, a waiver or consent, express or implied, to or of any breach or
default by any Party in the performance by that Party of its obligations under
this Agreement is not a consent or waiver to or of any other breach or default
in the performance by that Party of the same or any other obligations of that
Party under this Agreement. Except as otherwise provided in this

                                       8

<PAGE>
Agreement, failure on the part of a Party to complain of any act of another
Party or to declare another Party in default under this Agreement, irrespective
of how long that failure continues, does not constitute a waiver by that Party
of its rights with respect to that default until the applicable
statute-of-limitations period has run.

      10.04 AMENDMENT OR RESTATEMENT. This Agreement may be amended or restated
only by a written instrument executed by each of the Parties.

      10.05 RESTRICTION ON ASSIGNMENT; BINDING EFFECT. Subject to Article VI,
this Agreement is binding on and shall inure to the benefit of the Parties and
their respective successors and permitted assigns.

      10.06 GOVERNING LAW; SEVERABILITY. THIS AGREEMENT IS GOVERNED BY AND SHALL
BE CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF TEXAS, EXCLUDING ANY
CONFLICT-OF-LAWS RULE OR PRINCIPLE THAT MIGHT REFER THE CONSTRUCTION OR THE
INTERPRETATION OF THIS AGREEMENT TO THE LAW OF ANOTHER JURISDICTION. If any
provision of this Agreement or the application thereof to any Person or any
circumstance is held invalid or unenforceable to any extent, the remainder of
this Agreement and the application of such provision to other Persons or
circumstances shall not be affected thereby and shall be enforced to the
greatest extent permitted by law.

      10.07 FURTHER ASSURANCES. In connection with this Agreement and the
transactions contemplated hereby, each Party shall execute and deliver any
additional documents and instruments and perform any additional acts that may be
necessary or appropriate to effectuate and perform the provisions of this
Agreement and those transactions.

      10.08 DIRECTLY OR INDIRECTLY. Where any provision of this Agreement refers
to action to be taken by any Party, or which such Party is prohibited from
taking, such provision shall be applicable whether such action is taken directly
or indirectly by such Party, including actions taken by or on behalf of any
Affiliate of such Party.

      10.09 COUNTERPARTS. This Agreement may be executed in counterparts with
the same effect as if each signing party had signed the same document. All
counterparts shall be construed together and shall constitute one and the same
instrument.

                           [Signature Pages to Follow]



                                       9
<PAGE>
      IN WITNESS WHEREOF, the Parties have executed this Agreement effective as
of the date first set forth above.

                                    EL PASO ENERGY SERVICE COMPANY


                                    By:    /s/ David Siddall
                                    Name:  David Siddall
                                    Title: Vice President


                                    EL PASO PRODUCTION HOLDING COMPANY


                                    By:    /s/ Gene T. Waguespack
                                    Name:  Gene T. Waguespack
                                    Title: Senior Vice President and
                                            Chief Financial Officer





                                       10
<PAGE>
                                    EXHIBIT 1

      The Services shall include any services necessary for the operation of the
Assets and shall include, without limitation, services related to:

      1.    Accounting and Audit

      2.    Accounts Payable

      3.    Aviation

      4.    Benefits and Human Resources Administration

      5.    Bonds (performance, appeal, environmental, surety)

      6.    Building Services

      7.    Cash Management

      8.    Corporate Finance

      9.    Debt Administration

      10.   Employee Health and Safety

      11.   Equity Plans

      12.   Government and Public Relations

      13.   Information Technology

      14.   Insurance

      15.   Legal Services

      16.   Material Management

      17.   Security Services

      18.   Tax and Treasury

      19.   Trade Finance




                              Exhibit 1 - Page 1