Document:

Exhibit 10.19

               AMENDMENT NO. 1, dated as of April 25, 2002 (this "Amendment No.
          1" or this "Amendment"), in respect of the LONG-TERM REVOLVING CREDIT
          AGREEMENT, dated as of February 25, 1998, as amended and restated as
          of December 7, 2001 (the "Credit Agreement"), among BURLINGTON
          RESOURCES INC., a Delaware corporation (the "Borrower"), the financial
          institutions (the "Lenders") listed on the signature pages thereof,
          JPMorgan Chase Bank, as administrative agent (the "Administrative
          Agent") and as auction administrative agent, Citibank, N.A. and Fleet
          National Bank, as co-syndication agents, and Bank of America, N.A. and
          Toronto Dominion (Texas), Inc., as co-documentation agents.

     The Borrower has advised the Administrative Agent and the Lenders that it
desires to amend the Credit Agreement to eliminate any inconsistency between (i)
the requirements of Section 5.03(b)(ii) thereof with respect to the form, scope
and substance of the auditor's "negative assurance" letter referred to therein
and (ii) SAS 62 and other applicable accounting rules and guidelines in effect
from time to time, and has requested in connection therewith that the Credit
Agreement be amended as set forth in Section 1 below, and the parties hereto are
willing so to amend the Credit Agreement. Each capitalized term used but not
defined herein and defined in the Credit Agreement has the meaning assigned
thereto in the Credit Agreement.

     In consideration of the premises and the agreements and provisions herein
contained, the parties hereto hereby agree, on the terms and subject to the
conditions set forth herein, as follows:

     SECTION 1. Amendment and Waiver. (a) Upon the effectiveness of this
Amendment No. 1 as provided in Section 3 below, clause (ii) of Section 5.03(b)
of the Credit Agreement shall be amended to read in its entirety as follows:

          (ii) a letter from such accountants stating that in making the
          investigations necessary for such report they obtained no knowledge,
          except as specifically stated therein, of any Event of Default which
          is continuing hereunder or of any event not theretofore remedied which
          with notice or lapse of time or both would constitute such an Event of
          Default (which letter may be limited in form, scope and substance to
          the extent required by applicable accounting rules or guidelines in
          effect from time to time);

     (b) The Lenders hereby waive any Default that may exist or have existed at
or prior to the date of effectiveness hereof by reason of the delivery to the
Lenders of a letter referred to in Section 5.03(b)(ii) of the Credit Agreement
that was consistent with the requirements of Section 5.03(b)(ii) except for the
fact that such letter was limited in form, scope or substance in order to comply
with SAS 62 and any other applicable accounting rules and guidelines.

<PAGE>
                                      -2-

     SECTION 2. Representations and Warranties. The Borrower represents and
warrants as of the effective date of this Amendment to each of the Lenders that:

          (a) Immediately before and immediately after giving effect to this
     Amendment, the representations and warranties set forth in the Credit
     Agreement are true and correct in all material respects with the same
     effect as if made on the effective date hereof, except to the extent such
     representations and warranties expressly relate to an earlier date or
     period.

          (b) Immediately before and immediately after giving effect to this
     Amendment, no Event of Default or Default has occurred and is continuing
     that would not be cured by effectiveness of this Amendment No 1.

     SECTION 3. Conditions to Effectiveness. This Amendment No. 1 and the
amendment and waiver contained herein shall become effective as of the date
hereof when the Administrative Agent shall have received counterparts of this
Amendment No. 1 that, when taken together, bear the signatures of the Borrower,
the Administrative Agent, and the Majority Lenders.

     SECTION 4. Agreement. Except as specifically stated herein, the provisions
of the Credit Agreement are and shall remain in full force and effect. As used
therein, the terms "Credit Agreement", "herein", "hereunder", "hereinafter",
"hereto", "hereof" and words of similar import shall, unless the context
otherwise requires, refer to the Credit Agreement as amended hereby.

     SECTION 5. Applicable Law. THIS AMENDMENT SHALL BE GOVERNED BY, AND
CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK.

     SECTION 6. Counterparts. This Amendment may be executed in two or more
counterparts, each of which shall constitute an original but all of which when
taken together shall constitute but one contract.

     SECTION 7. Expenses. The Borrower agrees to reimburse the Administrative
Agent for all out-of-pocket expenses incurred by it in connection with this
Amendment, including the reasonable fees, charges and disbursements of Cravath,
Swaine & Moore, counsel for the Administrative Agent.

<PAGE>

     IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be
duly executed by their respective authorized officers as of the day and year
first written above.

                        BURLINGTON RESOURCES INC.

                        By:    /s/ Daniel D. Hawk
                               -------------------------------------------------
                               Name:  Daniel D. Hawk
                               Title:  Vice President and Treasurer

                        JPMORGAN CHASE BANK, individually and as Administrative
                        Agent and Auction
                        Administrative Agent

                        By:    /s/ Russell A. Johnson
                               -------------------------------------------------
                               Name:  Russell A. Johnson
                               Title:  Vice President

                        CITIBANK, N.A., individually and as Co-Syndication Agent

                        By:    /s/ Amy K. Pincu
                               -------------------------------------------------
                               Name:  Amy K. Pincu
                               Title:  Attorney-in-Fact

                        FLEET NATIONAL BANK, individually
                        and as Co-Syndication Agent

                        By:    /s/ Allison I. Rossi
                               -------------------------------------------------
                               Name:  Allison I. Rossi
                               Title:  Vice President

<PAGE>

                        BANK OF AMERICA, N.A., individually
                        and as Co-Documentation Agent

                        By:    /s/ Richard L. Stein
                               -------------------------------------------------
                               Name:  Richard L. Stein
                               Title:  Principal

                        TORONTO DOMINION (TEXAS), INC.,
                        individually and as Co-Documentation Agent

                        By:    /s/ Ann S. Slanis
                               -------------------------------------------------
                               Name:  Ann S. Slanis
                               Title:  Vice President

                        THE BANK OF NOVA SCOTIA

                        By:    /s/ M. D. Smith
                               -------------------------------------------------
                               Name:  M. D. Smith
                               Title:  Agent, Operations

                        THE BANK OF TOKYO-MITSUBISHI, LTD.

                        By:    /s/ Kelton Glasscock
                               -------------------------------------------------
                               Name:  Kelton Glasscock
                               Title:  Vice President & Manager

<PAGE>

                        BNP PARIBAS

                        By:    /s/ Douglas R. Liftman
                               -------------------------------------------------
                               Name:  Douglas R. Liftman
                               Title:  Managing Director

                        By:    /s/ Betsy Jocher
                               -------------------------------------------------
                               Name:  Betsy Jocher
                               Title:  Vice President

                        MELLON BANK, N.A.

                        By:    /s/ Roger E. Howard
                               -------------------------------------------------
                               Name:  Roger E. Howard
                               Title:  Vice President

                        THE ROYAL BANK OF SCOTLAND PLC

                        By:    /s/ Scott Barton
                               -------------------------------------------------
                               Name:  Scott Barton
                               Title:  Senior Vice President

                        WACHOVIA BANK, N.A.

                        By:    /s/ Philip Trinder
                               -------------------------------------------------
                               Name:  Philip Trinder
                               Title:  Vice President

<PAGE>

                        ABN AMRO BANK

                        By:    /s/ Frank R. Russo, Jr.
                               -------------------------------------------------
                               Name:  Frank R. Russo, Jr.
                               Title:  Group Vice President

                        By:    /s/ Jeffery G. White
                               -------------------------------------------------
                               Name:  Jeffery G. White
                               Title:  Vice President

                        ROYAL BANK OF CANADA

                        By:    /s/ Lorne Gartner
                               -------------------------------------------------
                               Name:  Lorne Gartner
                               Title:  Vice President

                        BANK ONE, N.A. (MAIN OFFICE, CHICAGO)

                        By:    /s/ Ronald L. Dierker
                               -------------------------------------------------
                               Name:  Ronald L. Dierker
                               Title:  Director, Capital Markets

                        BARCLAYS BANK PLC

                        By:    /s/ Nicholas A. Bell
                               -------------------------------------------------
                               Name:  Nicholas A. Bell
                               Title:  Director

<PAGE>

                        THE NORTHERN TRUST COMPANY

                        By:    /s/ Ashish S. Bhagwat
                               -------------------------------------------------
                               Name:  Ashish S. Bhagwat
                               Title:  Vice President

                        MIZUHO CORPORATE BANK, LTD.

                        By:    /s/ Hirofumi Sugano
                               -------------------------------------------------
                               Name:  Hirofumi Sugano
                               Title:  Senior Vice PresidentExhibit 10.32

               AMENDMENT NO. 1, dated as of April 25, 2002 (this "Amendment No.
          1" or this "Amendment"), in respect of the CANADIAN SHORT-TERM
          REVOLVING CREDIT AGREEMENT, dated as of March 31, 2000, as amended and
          restated as of December 7, 2001 (the "Credit Agreement"), among
          BURLINGTON RESOURCES CANADA LTD., as borrower (the "Borrower"),
          BURLINGTON RESOURCES INC., a Delaware corporation (the "Parent"), the
          financial institutions (the "Lenders") listed on the signature pages
          thereof, J.P. Morgan Bank Canada, as administrative agent (the
          "Administrative Agent"), Citibank Canada and Fleet National Bank, as
          co-syndication agents, and Bank of America Canada and The Toronto
          Dominion Bank, as co-documentation agents.

     The Borrower and the Parent have advised the Administrative Agent and the
Lenders that they desire to amend the Credit Agreement to eliminate any
inconsistency between (i) the requirements of Section 5.03(b)(ii) thereof with
respect to the form, scope and substance of the auditor's "negative assurance"
letter referred to therein and (ii) SAS 62 and other applicable accounting rules
and guidelines in effect from time to time, and have requested in connection
therewith that the Credit Agreement be amended as set forth in Section 1 below,
and the parties hereto are willing so to amend the Credit Agreement. Each
capitalized term used but not defined herein and defined in the Credit Agreement
has the meaning assigned thereto in the Credit Agreement.

     In consideration of the premises and the agreements and provisions herein
contained, the parties hereto hereby agree, on the terms and subject to the
conditions set forth herein, as follows:

     SECTION 1. Amendment and Waiver. (a) Upon the effectiveness of this
Amendment No. 1 as provided in Section 3 below, clause (ii) of Section 5.03(b)
of the Credit Agreement shall be amended to read in its entirety as follows:

          (ii) a letter from such accountants stating that in making the
          investigations necessary for such report they obtained no knowledge,
          except as specifically stated therein, of any Event of Default which
          is continuing hereunder or of any event not theretofore remedied which
          with notice or lapse of time or both would constitute such an Event of
          Default (which letter may be limited in form, scope and substance to
          the extent required by applicable accounting rules or guidelines in
          effect from time to time);

     (b) The Lenders hereby waive any Default that may exist or have existed at
or prior to the date of effectiveness hereof by reason of the delivery to the
Lenders of a letter referred to in Section 5.03(b)(ii) of the Credit Agreement
that was consistent with the requirements of Section 5.03(b)(ii) except for the
fact that such letter was limited in form, scope or

<PAGE>
                                       -2-

substance in order to comply with SAS 62 and any other applicable accounting
rules and guidelines.

     SECTION 2. Representations and Warranties. Each of the Borrower and the
Parent represents and warrants as of the effective date of this Amendment to
each of the Lenders that:

          (a) Immediately before and immediately after giving effect to this
     Amendment, the representations and warranties set forth in the Credit
     Agreement are true and correct in all material respects with the same
     effect as if made on the effective date hereof, except to the extent such
     representations and warranties expressly relate to an earlier date or
     period.

          (b) Immediately before and immediately after giving effect to this
     Amendment, no Event of Default or Default has occurred and is continuing
     that would not be cured by effectiveness of this Amendment No 1.

     SECTION 3. Conditions to Effectiveness. This Amendment No. 1 and the
amendment and waiver contained herein shall become effective as of the date
hereof when the Administrative Agent shall have received counterparts of this
Amendment No. 1 that, when taken together, bear the signatures of the Borrower,
the Parent, the Administrative Agent, and the Majority Lenders.

     SECTION 4. Agreement. Except as specifically stated herein, the provisions
of the Credit Agreement are and shall remain in full force and effect. As used
therein, the terms "Credit Agreement", "herein", "hereunder", "hereinafter",
"hereto", "hereof" and words of similar import shall, unless the context
otherwise requires, refer to the Credit Agreement as amended hereby.

     SECTION 5. Applicable Law. THIS AMENDMENT SHALL BE GOVERNED BY, AND
CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK.

     SECTION 6. Counterparts. This Amendment may be executed in two or more
counterparts, each of which shall constitute an original but all of which when
taken together shall constitute but one contract.

     SECTION 7. Expenses. The Borrower agrees to reimburse the Administrative
Agent for all out-of-pocket expenses incurred by it in connection with this
Amendment, including the reasonable fees, charges and disbursements of Cravath,
Swaine & Moore, counsel for the Administrative Agent.

<PAGE>

     IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be
duly executed by their respective authorized officers as of the day and year
first written above.

                      BURLINGTON RESOURCES CANADA LTD.

                      By:    /s/ Daniel D. Hawk
                             ---------------------------------------------------
                             Name:  Daniel D. Hawk
                             Title:  Vice President and Treasurer

                      BURLINGTON RESOURCES INC.

                      By:    /s/ Daniel D. Hawk
                             ---------------------------------------------------
                             Name:  Daniel D. Hawk
                             Title:  Vice President and Treasurer

                      J.P. MORGAN BANK CANADA, as
                      Administrative Agent

                      By:    /s/ Drew McDonald
                             ---------------------------------------------------
                             Name:  Drew McDonald
                             Title:  Vice President

                      By:    /s/ Christine Chan
                             ---------------------------------------------------
                             Name:  Christine Chan
                             Title:  Vice President

<PAGE>

                      JPMORGAN CHASE BANK, Toronto
                      Branch, as Lender

                      By:    /s/ Drew McDonald
                             ---------------------------------------------------
                             Name:  Drew McDonald
                             Title:  Vice President

                      By:    /s/ Christine Chan
                             ---------------------------------------------------
                             Name:  Christine Chan
                             Title:  Vice President

                      FLEET NATIONAL BANK, individually
                      and as Co-Syndication Agent

                      By:    /s/ Allison I. Rossi
                             ---------------------------------------------------
                             Name:  Allison I. Rossi
                             Title:  Vice President

                      CITIBANK CANADA, individually and as Co-Syndication Agent

                      By:    /s/ James K.G. Campbell
                             ---------------------------------------------------
                             Name:  James K.G. Campbell
                             Title:  Vice President

                      THE TORONTO-DOMINION BANK,
                      individually and as Co-Documentation Agent

                      By:    /s/ Kevin Kynoch
                             ---------------------------------------------------
                             Name:  Kevin Kynoch
                             Title:  Associate - Corporate Credit

<PAGE>

                      BANK OF AMERICA CANADA,
                      individually and as Co-Documentation Agent

                      By:    /s/ Richard L. Stein
                             ---------------------------------------------------
                             Name:  Richard L. Stein
                             Title:  Principal

                      THE BANK OF NOVA SCOTIA

                      By:    /s/ Dan W. Lindquist
                             ---------------------------------------------------
                             Name:  Dan W. Lindquist
                             Title:  Director

                      BANK ONE, N.A. (MAIN OFFICE, CHICAGO)

                      By:    /s/ Ronald L. Dierker
                             ---------------------------------------------------
                             Name:  Ronald L. Dierker
                             Title:  Director, Capital Markets

                      BARCLAYS BANK PLC

                      By:    /s/ Nicholas A. Bell
                             ---------------------------------------------------
                             Name:  Nicholas A. Bell
                             Title:  Director

<PAGE>

                      BNP PARIBAS

                      By:    /s/ Douglas R. Liftman
                             ---------------------------------------------------
                             Name:  Douglas R. Liftman
                             Title:  Managing Director

                      By:    /s/ Betsy Jocher
                             ---------------------------------------------------
                             Name:  Betsy Jocher
                             Title:  Vice President

                      BNP PARIBAS (CANADA)

                      By:    /s/ Paul McCuaig
                             ---------------------------------------------------
                             Name:  Paul McCuaig
                             Title:  Vice President,
                                      Energy & Project Finance

                      By:    /s/ Michael Gosselin
                             ---------------------------------------------------
                             Name:  Michael Gosselin
                             Title:  Director,
                                      Energy & Project Finance

                      MELLON BANK, N.A., CANADA BRANCH

                      By:    /s/ Wendy B.H. Bocti
                             ---------------------------------------------------
                             Name:  Wendy B.H. Bocti
                             Title:  Principal Officer

<PAGE>

                      THE NORTHERN TRUST COMPANY

                      By:    /s/ Ashish S. Bhagwat
                             ---------------------------------------------------
                             Name:  Ashish S. Bhagwat
                             Title:  Vice President

                      ROYAL BANK OF CANADA

                      By:    /s/ Lorne Gartner
                             ---------------------------------------------------
                             Name:  Lorne Gartner
                             Title:  Vice President

                      THE ROYAL BANK OF SCOTLAND PLC

                      By:    /s/ Scott Barton
                             ---------------------------------------------------
                             Name:  Scott Barton
                             Title:  Senior Vice President

                      WACHOVIA BANK N.A.

                      By:    /s/ Philip Trinder
                             ---------------------------------------------------
                             Name:  Philip Trinder
                             Title:  Vice President

                      MIZUHO CORPORATE BANK, LTD.

                      By:    /s/ Hirofumi Sugano
                             ---------------------------------------------------
                             Name:  Hirofumi Sugano
                             Title:  Senior Vice President

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