EXHIBIT 10

                           SECOND AMENDMENT TO CREDIT
                                    AGREEMENT

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                      SECOND AMENDMENT TO CREDIT AGREEMENT


     This Second  Amendment to Credit  Agreement  (this "Second  Amendment")  is
entered  into  as of the  15th  day of  October,  1997,  by  and  among  Denbury
Management, Inc. ("Borrower"),  Denbury Resources, Inc., ("Resources"),  Denbury
Holdings,  Ltd.,  ("Holdings",   together  with  Resources,  the  "Guarantors"),
NationsBank of Texas, N.A., as Agent ("Agent"),  and NationsBank of Texas, N.A.,
Bankers Trust Company and Internationale Nederlanden (U.S.) Capital Corporation,
as Banks (the "Banks").

                                W I T N E S E T H

     WHEREAS,  Borrower,  Guarantors,  Agent and the Banks are  parties  to that
certain  Credit  Agreement  dated as of May 31, 1996, as amended by that certain
First Amendment to Credit  Agreement dated as of April 1, 1997 (as amended,  the
"Credit Agreement") (unless otherwise defined herein, all terms used herein with
their initial letter  capitalized shall have the meaning given such terms in the
Credit Agreement); and

     WHEREAS, pursuant to the Credit Agreement the Banks have made certain Loans
to  Borrower,  and  Agent  has  issued  certain  Letters  of Credit on behalf of
Borrower; and

     WHEREAS,  Borrower  has  requested  that the  collateral  requirements  and
certain covenants in the Credit Agreement be amended in certain respects; and

     WHEREAS,  subject to the terms and conditions herein  contained,  the Banks
have agreed to Borrower's requests.

     NOW  THEREFORE,  for  and in  consideration  of the  mutual  covenants  and
agreements  herein  contained  and other good and  valuable  consideration,  the
receipt  and  sufficiency  of  which  are  hereby  acknowledged  and  confessed,
Borrower, Agent and each Bank hereby agree as follows:

     Section  1. Amendments.  In  reliance  on the  representations, warranties,
     covenants and  agreements  contained in this Second  Amendment,  the Credit
     Agreement  shall be amended  effective  October  15,  1997 (the  "Effective
     Date") in the manner provided in this Section 1.

     1.1. Additional  Definitions. Section 1.1 of the Credit  Agreement shall be
     amended to add the definitions of "First Amendment", "Second Amendment" and
     "Unproved Reserves" as follows:

        "First Amendment" means that certain First Amendment to Credit Agreement
        dated as of April 1, 1997 among Borrower, Guarantors, Agent and Banks.

        "Second  Amendment"  means  that  certain  Second  Amendment  to  Credit
        Agreement dated as o October 15, 1997 among Borrower,  Guarantors, Agent
        and Banks.

        "Unproved  Reserves"  means Mineral  Interests  which do not  constitute
        Proved Mineral Interests.

     1.2 Amendment to Definition. The definition of "Loan Papers" in Section 1.1
     of the Credit Agreement shall be amended to read in full as follows:

        "Loan  Papers" means this  Agreement,  the First  Amendment,  the Second
        Amendment,  the  Notes,  the  Facility  Guarantees,  the  Parent  Pledge
        Agreement, the Holdings Pledge Agreement, the Borrower Pledge Agreement,
        the Assignment  and Amendment to Mortgages,  all Mortgages now or at any
        time  hereafter  delivered  pursuant  to  Section  5.1,  and  all  other
        certificates, documents or instruments delivered in connection with this
        Agreement, as the foregoing may be amended from time to time.


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     1.3 Security.  Section 5.1 of the Credit Agreement shall be amended to read
     in full as follows:

     SECTION  5.1 Security.  The  Obligations  shall  be  secured  by  (a) those
     Mortgages  granted  by  Borrower  in  favor  of Agent as of the date of the
     Second Amendment which Mortgages create first and prior Liens (subject only
     to Permitted  Encumbrances)  covering and encumbering the Mineral Interests
     described  therein,  and (b) one hundred  percent  (100%) of the issued and
     outstanding capital stock of every class of Holdings and Borrower.

     1.4 Asset Disposition. Section 9.5 of the Credit Agreement shall be amended
     to add the  following  subsection  (c) to the end of the first  sentence of
     such Section:

     ", and (c) the sale,  lease,  transfer,  abandonment or the  disposition of
     Unproved Reserves."

     Section 2. Representations and Warranties of Borrower.  To induce the Banks
     and Agent to enter  into this  First  Amendment,  Borrower  and  Guarantors
     hereby represent and warrant to Agent as follows:

        (a)  Each   representation  and  warranty  of  Borrower  and  Guarantors
        contained in the Credit  Agreement and the other Loan Papers is true and
        correct on the date  hereof and will be true and  correct  after  giving
        effect to the amendments set forth in Section 1 hereof.

        (b) The execution,  delivery and  performance by Borrower and Guarantors
        of this Second  Amendment are within the Borrower's and each Guarantor's
        corporate powers, have been duly authorized by necessary action, require
        no action by or in respect of, or filing with,  any  governmental  body,
        agency or official and do not violate or  constitute a default under any
        provision  of  applicable  law or any  Material  Agreement  binding upon
        Borrower,  the  Subsidiaries  of Borrower or the Guarantors or result in
        the  creation  or  imposition  of any  Lien  upon any of the  assets  of
        Borrower  or the  Subsidiaries  of  Borrower  or the  Guarantors  except
        Permitted Encumbrances.

        (c) This Second Amendment constitutes the valid and binding  obligations
        of Borrower and the Guarantors enforceable in accordance with its terms,
        except as (i) the  enforceability  thereof may be limited by bankruptcy,
        insolvency or similar laws affecting  creditor's rights  generally,  and
        (ii) the availability of equitable  remedies may be limited by equitable
        principles of general application.

        (d) Borrower and Guarantors have no defenses to payment, counterclaim or
        rights of set-off with respect to the  Obligations  existing on the date
        hereof.

     Section 3.Miscellaneous.

     3.1 Reaffirmation of Loan Papers;  Extension  of Liens.  Any and all of the
     terms and  provisions  of the Credit  Agreement  and the Loan Papers shall,
     except as amended  and  modified  hereby,  remain in full force and effect.
     Borrower and Guarantors  hereby extend the Liens  securing the  Obligations
     until the Obligations have been paid in full or are  specifically  released
     by Agent  and  Banks  prior  thereto,  and agree  that the  amendments  and
     modifications  herein  contained  shall in no manner  affect or impair  the
     Obligations  or  the  Liens  securing  payment  and  performance   thereof.
     Notwithstanding the foregoing, each Bank hereby authorizes Agent to release
     

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     the Mineral  Interests held by Borrower in the Lirette Field from the Liens
     securing the  Obligations  solely to the extent of depths below 11,600 feet
     in connection with the disposition by Borrower of certain Unproved Reserves
     held by Borrower in such field (each Bank acknowledges that, in addition to
     such Unproved Reserves, the Mineral Interests released will include certain
     Proved Mineral Interests).

     3.2 Parties in  Interest.  All of the terms and  provisions  of this Second
     Amendment  shall bind and inure to the  benefit of the  parties  hereto and
     their respective successors and assigns.

     3.3 Legal Expenses.  Borrower hereby agrees to pay on demand all reasonable
     fees and expenses of counsel to Agent incurred by Agent, in connection with
     the preparation, negotiation and execution of this Second Amendment and all
     related documents.

     3.4  Counterparts.  This Second  Amendment may be executed in counterparts,
     and all parties need not execute the same  counterpart;  however,  no party
     shall be bound by this Second  Amendment  until all parties have executed a
     counterpart. Facsimiles shall be effective as originals.

     3.5 Complete Agreement. THIS SECOND AMENDMENT, THE CREDIT AGREEMENT AND THE
     OTHER LOAN PAPERS REPRESENT THE FINAL AGREEMENT BETWEEN THE PARTIES AND MAY
     NOT  BE  CONTRADICTED  BY  EVIDENCE  OF  PRIOR,   CONTEMPORANEOUS  OR  ORAL
     AGREEMENTS OF THE PARTIES.  THERE ARE NO UNWRITTEN ORAL AGREEMENTS  BETWEEN
     THE PARTIES.

     3.6 Headings.  The headings,  captions and arrangements used in this Second
     Amendment are, unless specified  otherwise,  for convenience only and shall
     not be  deemed  to  limit,  amplify  or  modify  the  terms of this  Second
     Amendment, nor affect the meaning thereof.

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


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                                                  BORROWER:

                                                DENBURY MANAGEMENT, INC.,
                                                a Texas corporation


                                    By:_______________________________________
                                    Name:_____________________________________
                                    Title:____________________________________


                                    By:_______________________________________
                                    Name:_____________________________________
                                    Title:____________________________________


                                                 GUARANTORS:

                                             DENBURY HOLDINGS, LTD.,
                                             a  corporation  incorporated  under
                                             the   Business   Corporations   Act
                                             (Alberta)

                                    By:_______________________________________
                                    Name:_____________________________________
                                    Title:____________________________________


                                    By:_______________________________________
                                    Name:_____________________________________
                                    Title:____________________________________


                                             DENBURY RESOURCES, INC.,
                                             a  corporation  incorporated  under
                                             the  Canada  Business  Corporations
                                             Act


                                    By:_______________________________________
                                    Name:_____________________________________
                                    Title:____________________________________


                                    By:_______________________________________
                                    Name:_____________________________________
                                    Title:____________________________________


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                                                   AGENT:

                                             NATIONSBANK OF TEXAS, N.A.


                                    By:_______________________________________
                                             J. Scott Fowler
                                             Vice President


                                                   BANKS:

                                             NATIONSBANK OF TEXAS, N.A.


                                    By:_______________________________________
                                             J. Scott Fowler
                                             Vice President


                                             BANKERS TRUST COMPANY


                                    By:_______________________________________
                                    Name:_____________________________________
                                    Title:____________________________________


                                             INTERNATIONALE NEDERLANDEN (U.S.)
                                                  CAPITAL CORPORATION


                                    By:_______________________________________
                                    Name:_____________________________________
                                    Title:____________________________________




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