Document:

<PAGE>
                                  EXHIBIT 10.12

Second Amendment to the Loan Agreement dated as of April 16, 2001 between Ascent
and Fortis Capital Corp.

                                                    (Fortis Logo)

April 16, 2002

Ascent Energy Inc.
1700 Redbud Boulevard, Suite 450
McKinney, Texas 75069

         Re: Second Amendment to Loan Agreement

Gentlemen:

         This Second Amendment to the Loan Agreement (the "Amendment") sets
forth the amended terms of the financing transaction by and among ASCENT ENERGY
INC., a Delaware corporation ("Borrower"), FORTIS CAPITAL CORP., a Connecticut
corporation as Agent ("Agent") and as a Lender, and the other Lenders.

         WHEREAS, Borrower and Fortis Capital Corp., as Agent, entered into a
Loan Agreement dated as of July 27, 2001, as amended (the "Loan Agreement"); and

         WHEREAS, the Borrower has requested that the Agent and the Lenders make
certain amendments to the Loan Agreement, and the Agent and the Lenders are
willing to do so subject to the terms and conditions set forth herein;

         NOW, THEREFORE, in consideration of the premises herein contained and
other good and valuable consideration, the sufficiency of which is hereby
acknowledged, the parties hereto, intending to be legally bound, agree as
follows:
<PAGE>

         1. DEFINED TERMS. All capitalized terms used but not otherwise defined
in this Amendment shall have the meaning ascribed to them in the Loan Agreement.
Unless otherwise specified, all section references herein refer to sections of
the Loan Agreement.

         2. AMENDMENTS TO LOAN AGREEMENT. The Loan Agreement is hereby amended
as follows:

                  2.1  Method of Calculating Financial Ratios

                           (a)      Section 16(g) is amended to read as follows:

                                    "(g) Total Debt to EBITDA. The Borrower
                                    shall not, on a Consolidated basis, allow
                                    its ratio of Debt to EBITDA to exceed: 5.0
                                    to 1.0 measured as of the last day of any
                                    Fiscal Quarter in 2001 and the first three
                                    Fiscal Quarters of 2002; 4.5 to 1.0 measured
                                    as of the last day of the last Fiscal
                                    Quarter in 2002; and 4.0 to 1.0 measured as
                                    of the last day of any Fiscal Quarter in
                                    2003 or thereafter."

                           (b)      Section 16(i) is amended to read as follows:

                                    "(i) Method of Calculation. The financial
                                    ratios set forth in Subsections 16(g) and
                                    16(h) above shall be calculated for the
                                    period of the last four consecutive Fiscal
                                    Quarters preceding the date of
                                    determination. In each case, if during any
                                    relevant period, the Borrower or one of its
                                    Restricted Subsidiaries has acquired or
                                    acquires another Restricted Subsidiary or
                                    has merged or merges with another Person,
                                    such calculation shall be made on a pro
                                    forma basis as if the acquisition or merger
                                    had occurred on the first day of the
                                    relevant period of four Fiscal Quarters in
                                    question. For the avoidance of doubt, the
                                    calculations made for the period of four
                                    Fiscal Quarters following the acquisitions
                                    of each of Pontotoc and Devo Holding
                                    Company, LLC shall be made on a pro forma
                                    basis

                                       2
<PAGE>

                                    as aforesaid taking into account the
                                    consolidated financial statements of each of
                                    the Borrower, Pontotoc and Devo Holding
                                    Company LLC.

         3. EFFECTIVENESS OF AMENDMENT.

                  (a)  This Amendment shall be effective upon receipt by Agent
                       of:

                       (i)   A Confirmation of Guaranty executed by Forman and
                             the Restricted Subsidiaries party to the Subsidiary
                             Guaranty;

                       (ii)  An amendment fee equal to $25,000;

                       (iii) A compliance certificate executed by Borrower; and

                       (iv)  An Incumbency Certificate executed by Borrower.

                  (b) Upon satisfaction of the conditions set forth at
         subsection (a) above, this Amendment shall be effective as of the date
         of the Loan Agreement, July 27, 2001.

         4. RATIFICATIONS, REPRESENTATIONS AND WARRANTIES.

                  (a) The terms and provisions set forth in this Amendment shall
         modify and supersede all inconsistent terms and provisions set forth in
         the Loan Agreement and, except as expressly modified and superseded by
         this Amendment, the terms and provisions of the Loan Agreement are
         ratified and confirmed and shall continue in full force and effect. The
         Borrower and Agent agree that the Loan Agreement and the Loan
         Documents, as amended hereby, shall continue to be legal, valid,
         binding and enforceable in accordance with their respective terms.

                  (b) In order to induce the Agent to enter into this Amendment,
         the Borrower represents and warrants to the Agent that:

                           (i) The representations and warranties contained in
                  Section 11 of the Loan Agreement are true and correct in all
                  material respects at and as of the time of the effectiveness
                  hereof (except to the extent that such representations and
                  warranties related solely to an earlier date and except to the
                  extent that the facts upon which such

                                       3
<PAGE>

                  representations are based have been changed by the
                  transactions contemplated by this Amendment).

                           (ii) Each Restricted Person is duly authorized to
                  execute and deliver each Loan Document to the extent a party
                  thereto and Borrower is and will continue to be duly
                  authorized to borrow and to perform its obligations under the
                  Loan Agreement as amended hereby. Each Restricted Person has
                  duly taken all action necessary to authorize the execution and
                  delivery of each Loan Document to which it is a party and to
                  authorize the performance of the obligations of each
                  Restricted Person thereunder.

         5. BENEFITS. This Amendment shall be binding upon and inure to the
benefit of the Lenders and Borrower, and their respective successors and
assigns; provided, however, that Borrower may not, without the prior written
consent of the Lenders, assign any rights, powers, duties or obligations under
this Amendment, the Loan Agreement or any of the other Loan Documents.

         6. CONSTRUCTION. This Amendment shall be governed by and construed in
accordance with the laws of the State of Texas.

         7. INVALID PROVISIONS. If any provision of this Amendment is held to be
illegal, invalid or unenforceable under present or future laws, such provision
shall be fully severable and the remaining provisions of this Amendment shall
remain in full force and effect and shall not be affected by the illegal,
invalid or unenforceable provision or by its severance.

         8. ENTIRE AGREEMENT. The Loan Agreement, as amended by this Amendment,
contains the entire agreement among the parties regarding the subject matter
hereof and supersedes all prior written and oral agreements and understandings
among the parties hereto regarding same.

         9. REFERENCE TO LOAN AGREEMENT. The Loan Agreement and any and all
other agreements, documents or instruments now or hereafter executed and
delivered pursuant to the terms hereof or pursuant to the terms of the Loan
Agreement, as amended hereby, are hereby amended so that any reference in the
Loan Agreement to the Loan Agreement shall mean a reference to the Loan
Agreement as amended hereby.

                                       4
<PAGE>

         10. COUNTERPARTS. This Amendment may be separately executed in any
number of counterparts, each of which shall be an original, but all of which,
taken together, shall be deemed to constitute one and the same agreement.

         If the foregoing correctly sets forth our mutual agreement, please so
acknowledge by signing and returning this Amendment to the undersigned.

                                       5
<PAGE>

                    Very truly yours,

                    FORTIS CAPITAL CORP., AS AGENT AND LENDER

                    By:
                        ------------------------------------------------
                    Name:
                          ----------------------------------------------
                    Title:
                           ---------------------------------------------

                    By:
                        ------------------------------------------------
                    Name:
                          ----------------------------------------------
                    Title:
                           ---------------------------------------------

ACCEPTED as of the date
first written above.

BORROWER:

ASCENT ENERGY INC.

By:
    ----------------------------------------
         Jeffrey Clark, President

                                       6
<PAGE>

                             COMPLIANCE CERTIFICATE

                                 April 16, 2002

         Reference is made to that certain Loan Agreement dated as of July 27,
2001 between Ascent Energy Inc. ("Borrower") and Fortis Capital Corp ("Agent")
as amended by the Second Amendment to the Loan Agreement dated the date hereof
(the "Loan Agreement"). Terms which are defined in the Loan Agreement and which
are used but not defined herein shall have the meanings given them in the Loan
Agreement. The undersigned, Jeffrey Clarke, Borrower's president, hereby
certifies in the name, and on behalf, of Borrower that Borrower has made a
thorough inquiry into all matters certified herein and based upon such inquiry,
does hereby further certify that:

         1. All representations and warranties made by any Restricted Person in
any Loan document delivered on or before the date hereof (including, without
limitation, the representations and warranties contained in Section 4 of the
Amendment) are true in all material respects on and as of the date hereof
(except to the extent that such representations and warranties related solely to
an earlier date and except to the extent that the facts upon which such
representations are based have been changed by the transactions contemplated in
the Loan Agreement) as if such representations and warranties had been made as
of the date hereof.

         2. No Event of Default exists on the date hereof.

         3. Each Restricted Person has performed and complied with all
agreements and conditions required in the Loan Document to be performed or
complied with by it on or prior to the date hereof.

         IN WITNESS WHEREOF, this instrument is executed by the undersigned as
of the date first above written.

                                    ASCENT ENERGY INC.

                                    By:
                                         ---------------------------------------
                                                Jeffrey Clark, President
<PAGE>

                            CONFIRMATION OF GUARANTY

         Reference is made to the Loan Agreement dated July 27, 2001 between
FORTIS CAPITAL CORP. ("Agent") and ASCENT ENERGY INC. ("Borrower") (the "Loan
Agreement"). The undersigned Guarantor hereby confirms that its guaranty under
the Guaranty between the undersigned Guarantor and Agent continues in full force
and effect notwithstanding the Second Amendment to the Loan Agreement dated as
of April 16, 2002 between Agent, the Lenders and Borrower, which Second
Amendment to the Loan Agreement is hereby accepted and consented to by such
Guarantor. In accordance herewith, the aforesaid guaranty shall be deemed to
cover and secure the Obligations at any time due from Borrower to Agent pursuant
to the Loan Agreement as the latter has been amended and supplemented by the
Second Amendment to the Loan Agreement. This Confirmation of Guaranty shall be
governed by and construed in accordance with the laws of Texas.

Dated as of the 16th day of April, 2002.

                                               FORMAN PETROLEUM CORPORATION

                                               By:
                                                  ------------------------------
                                               Name:  Jeffrey Clarke
                                               Title:  President

ACCEPTED as of the date first
above written.

BORROWER:

ASCENT ENERGY INC.

By:
   ----------------------------------------
         Jeffrey Clark, President

                                       8
<PAGE>

                             INCUMBENCY CERTIFICATE

                                 April 16, 2002

         Reference is made to that certain Loan Agreement dated as of July 27,
2001 between Ascent Energy Inc. ("Borrower") and Fortis Capital Corp ("Agent")
as amended by the Second Amendment to the Loan Agreement dated the date hereof
(the "Loan Agreement"). Terms which are defined in the Loan Agreement and which
are used but not defined herein shall have the meanings given them in the Loan
Agreement. The undersigned, Borrower's Secretary, hereby certifies in the name,
and on the behalf, of Borrower that Jeffrey Clarke is the duly elected,
qualified, and acting president of Borrower.

                                        By:
                                           ------------------------------------
                                                 Kevin D. McMillan
                                                 Secretary

                                       9<PAGE>
                                                                   EXHIBIT 10.13

                                  [FORTIS LOGO]

April 29, 2002

Ascent Energy, Inc.
1700 Redbud Boulevard, Suite 450
McKinney, Texas  75069

         Re: Third Amendment to Loan Agreement

Gentlemen:

         This Third Amendment to the Loan Agreement (the "Amendment") sets forth
the amended terms of the financing transaction by and among ASCENT ENERGY, INC.,
a Delaware corporation ("Borrower"), FORTIS CAPITAL CORP., a Connecticut
corporation as Agent ("Agent") and as a Lender, and the other Lenders.

         WHEREAS, Borrower and Fortis Capital Corp., as Agent, entered into a
Loan Agreement dated as of July 27, 2001, as amended (the "Loan Agreement"); and

         WHEREAS, the Borrower has requested that the Agent make certain
amendments to the Loan Agreement in order to enable the LC Issuer to issue
additional Letters of Credit on behalf of Borrower, and the Agent and the
Lenders are willing to do so subject to the terms and conditions set forth
herein;

         NOW, THEREFORE, in consideration of the premises herein contained and
other good and valuable consideration, the sufficiency of which is hereby
acknowledged, the parties hereto, intending to be legally bound, agree as
follows:

                                       1

<PAGE>

         1. DEFINED TERMS. All capitalized terms used but not otherwise defined
in this Amendment shall have the meaning ascribed to them in the Loan Agreement.
Unless otherwise specified, all section references herein refer to sections of
the Loan Agreement.

         2. AMENDMENTS TO LOAN AGREEMENT. The Loan Agreement is hereby amended
as follows:

                  2.1 Commitments to Lend. The following sentence is added to
         the end of Subsection 2(a).

                           "The Lenders shall have no obligation to make Loans
                  hereunder if, after giving effect such Loan, the aggregate
                  amount of outstanding Loans, plus the amount of existing LC
                  Obligations, plus the face amount of outstanding Special
                  Letters of Credit would exceed $50,000,000."

                  2.2 Letters of Credit. Subsection (g) is added to Section 7 as
         follows:

                           "(g) Special LC Line

                                    (i) In addition to Letters of Credit which
                           may be issued pursuant to Subsection (a) of this
                           Section 7, Borrower may request the Agent to arrange
                           for the issuance by the LC Issuer of one or more
                           standby letters of credit referred to herein as
                           "Special Letters of Credit" on the following terms:

                                             (1) the aggregate face amount of
                                    Special Letters of Credit which may be
                                    issued hereunder is $5,000,000.00;

                                             (2) the face amount of such Special
                                    Letters of Credit shall not be limited by
                                    the Borrowing Base and shall not be counted
                                    towards Facility Usage;

                                             (3) Special Letters of Credit may
                                    only be used for purposes of supporting
                                    Hedging Contracts entered into by the
                                    Borrower as permitted hereunder and shall be
                                    issued in favor of the counterparty to such
                                    Hedging Contracts;

                                       2

<PAGE>

                                             (4) Special Letters of Credit may
                                    only be issued prior to April 29, 2003, and
                                    the expiration date of any such Special
                                    Letter of Credit shall be prior to April 29,
                                    2003; and

                                             (5) except as noted above, the
                                    provisions of Subsections (a) through (f) of
                                    this Section 7 shall apply to Special
                                    Letters of Credit hereunder, except that the
                                    fee payable under Subsection (d) shall be
                                    two and one-half percent (2.50%) per annum."

         2.3 Hedging Restrictions

                           (a) Section 16(n) is amended to read as follows:

                                    "(n) Hedging Transactions.

                                             (i) No Restricted Person will enter
                                    into hedging transactions involving more
                                    than 95% of such Restricted Person's
                                    scheduled production for its proved,
                                    developed, producing ("PDP") oil or gas
                                    properties at any time during the next
                                    twelve (12) months as determined by such
                                    Restricted Person's most recent quarterly
                                    report described in clause (ii) below.

                                             (ii) The Borrower shall furnish to
                                    Agent within fifteen (15) days following the
                                    end of each calendar quarter a report (in a
                                    form to be agreed upon) showing for each
                                    Restricted Person (y) the scheduled
                                    production for its PDP oil and gas
                                    properties for the next twelve months, and
                                    (z) the notional volumes under each
                                    commodity hedging contract in place for the
                                    next twelve months with respect to oil and
                                    gas.

                                             (iii) The report described in
                                    clause (ii) above shall (x) show scheduled
                                    production and the notional volumes for the
                                    commodity hedging contracts for oil and

                                       3

<PAGE>

                                    gas separately, (y) include a calculation of
                                    the notional volumes under all commodity
                                    hedging contracts as a percentage of
                                    scheduled production for oil and gas
                                    separately, and (z) be certified by an
                                    officer of such Restricted Person attesting
                                    to compliance with clause (i) above."

         3. BORROWING BASE REDETERMINATION. Pursuant to Section 9 of the Loan
Agreement, effective as of the date hereof, and until redetermined pursuant to
Section 9 of the Loan Agreement, the Borrowing Base is $45,000,000.

         4. EFFECTIVENESS OF AMENDMENT. This Amendment shall be effective upon
receipt by Agent of:

                  (a) A Confirmation of Guaranty executed by Forman and the
         Restricted Subsidiaries party to the Subsidiary Guaranty;

                  (b) An amendment fee equal to $10,000.00;

                  (c) A Compliance Certificate executed by Borrower; and

                  (d) An Incumbency Certificate executed by Borrower.

         5. RATIFICATIONS, REPRESENTATIONS AND WARRANTIES.

                  (a) The terms and provisions set forth in this Amendment shall
         modify and supersede all inconsistent terms and provisions set forth in
         the Loan Agreement and, except as expressly modified and superseded by
         this Amendment, the terms and provisions of the Loan Agreement are
         ratified and confirmed and shall continue in full force and effect. The
         Borrower and Agent agree that the Loan Agreement and the Loan
         Documents, as amended hereby, shall continue to be legal, valid,
         binding and enforceable in accordance with their respective terms.

                  (b) In order to induce the Agent to enter into this Amendment,
         the Borrower represents and warrants to the Agent that:

                           (i) The representations and warranties contained in
                  Section 11 of the Loan Agreement are true and correct in all
                  material respects

                                       4

<PAGE>

                  at and as of the time of the effectiveness hereof (except to
                  the extent that such representations and warranties related
                  solely to an earlier date and except to the extent that the
                  facts upon which such representations are based have been
                  changed by the transactions contemplated by this Amendment).

                           (ii) Each Restricted Person is duly authorized to
                  execute and deliver each Loan Document to the extent a party
                  thereto and Borrower is and will continue to be duly
                  authorized to borrow and to perform its obligations under the
                  Loan Agreement as amended hereby. Each Restricted Person has
                  duly taken all action necessary to authorize the execution and
                  delivery of each Loan Document to which it is a party and to
                  authorize the performance of the obligations of each
                  Restricted Person thereunder.

         6. BENEFITS. This Amendment shall be binding upon and inure to the
benefit of the Lenders and Borrower, and their respective successors and
assigns; provided, however, that Borrower may not, without the prior written
consent of the Lenders, assign any rights, powers, duties or obligations under
this Amendment, the Loan Agreement or any of the other Loan Documents.

         7. CONSTRUCTION. This Amendment shall be governed by and construed in
accordance with the laws of the State of Texas.

         8. INVALID PROVISIONS. If any provision of this Amendment is held to be
illegal, invalid or unenforceable under present or future laws, such provision
shall be fully severable and the remaining provisions of this Amendment shall
remain in full force and effect and shall not be affected by the illegal,
invalid or unenforceable provision or by its severance.

         9. ENTIRE AGREEMENT. The Loan Agreement, as amended by this Amendment,
contains the entire agreement among the parties regarding the subject matter
hereof and supersedes all prior written and oral agreements and understandings
among the parties hereto regarding same.

         10. REFERENCE TO LOAN AGREEMENT. The Loan Agreement and any and all
other agreements, documents or instruments now or hereafter executed and
delivered pursuant to the terms hereof or pursuant to the terms of the Loan
Agreement, as amended hereby, are hereby amended so that any reference in the

                                       5

<PAGE>

Loan Agreement to the Loan Agreement shall mean a reference to the Loan
Agreement as amended hereby.

         11. COUNTERPARTS. This Amendment may be separately executed in any
number of counterparts, each of which shall be an original, but all of which,
taken together, shall be deemed to constitute one and the same agreement.

         If the foregoing correctly sets forth our mutual agreement, please so
acknowledge by signing and returning this Amendment to the undersigned.

                                    Very truly yours,

                                    FORTIS CAPITAL CORP., AS AGENT AND LENDER

                                    By:
                                        ----------------------------------------
                                    Name:
                                          --------------------------------------
                                    Title:
                                           -------------------------------------

                                    By:
                                        ----------------------------------------
                                    Name:
                                          --------------------------------------
                                    Title:
                                           -------------------------------------

ACCEPTED as of the date
first written above.

BORROWER:

ASCENT ENERGY, INC.

By:
    ----------------------------------------
Name:
       -------------------------------------
Title:
       -------------------------------------

                                       6

<PAGE>

                             COMPLIANCE CERTIFICATE

                                 April 29, 2002

         Reference is made to that certain Loan Agreement dated as of July 27,
2001 between Ascent Energy, Inc. ("Borrower") and Fortis Capital Corp ("Agent")
as amended by the Second Amendment to the Loan Agreement dated the date hereof
(the "Loan Agreement"). Terms which are defined in the Loan Agreement and which
are used but not defined herein shall have the meanings given them in the Loan
Agreement. The undersigned, Jeffrey Clarke, Borrower's president, hereby
certifies in the name, and on behalf, of Borrower that Borrower has made a
thorough inquiry into all matters certified herein and based upon such inquiry,
does hereby further certify that:

         1. All representations and warranties made by any Restricted Person in
any Loan document delivered on or before the date hereof (including, without
limitation, the representations and warranties contained in Section 5 of the
Amendment) are true in all material respects on and as of the date hereof
(except to the extent that such representations and warranties related solely to
an earlier date and except to the extent that the facts upon which such
representations are based have been changed by the transactions contemplated in
the Loan Agreement) as if such representations and warranties had been made as
of the date hereof.

         2. No Event of Default exists on the date hereof.

         3. Each Restricted Person has performed and complied with all
agreements and conditions required in the Loan Document to be performed or
complied with by it on or prior to the date hereof.

         IN WITNESS WHEREOF, this instrument is executed by the undersigned as
of the date first above written.

                                    ASCENT ENERGY, INC.

                                    By:
                                         ---------------------------------------
                                    Name:
                                          --------------------------------------
                                    Title:
                                           -------------------------------------

<PAGE>

                            CONFIRMATION OF GUARANTY

         Reference is made to the Loan Agreement dated July 27, 2001 between
FORTIS CAPITAL CORP. ("Agent") and ASCENT ENERGY, INC. ("Borrower") (the "Loan
Agreement"). The undersigned Guarantor hereby confirms that its guaranty under
the Guaranty between the undersigned Guarantor and Agent continues in full force
and effect notwithstanding the Third Amendment to the Loan Agreement dated as of
April 29, 2002 between Agent and Borrower, which Third Amendment to the Loan
Agreement is hereby accepted and consented to by such Guarantor. In accordance
herewith, the aforesaid guaranty shall be deemed to cover and secure the
Obligations at any time due from Borrower to Agent pursuant to the Loan
Agreement as the latter has been amended and supplemented by the Third Amendment
to the Loan Agreement. This Confirmation of Guaranty shall be governed by and
construed in accordance with the laws of Texas.

Dated this 29th day of April, 2002.

                                  FORMAN PETROLEUM CORPORATION

                                  By:
                                       -----------------------------------------
                                  Name:
                                         ---------------------------------------
                                  Title:
                                          --------------------------------------

ACCEPTED as of the date first
above written.

BORROWER:

ASCENT ENERGY, INC.

By:
   -----------------------------------------------------------
Name:
       -------------------------------------
Title:
        ------------------------------------

<PAGE>

INCUMBENCY CERTIFICATE

                                 April 29, 2001

         Reference is made to that certain Loan Agreement dated as of July 27,
2001 between Ascent Energy, Inc. ("Borrower") and Fortis Capital Corp ("Agent")
as amended by the Third Amendment to the Loan Agreement dated the date hereof
(the "Loan Agreement"). Terms which are defined in the Loan Agreement and which
are used but not defined herein shall have the meanings given them in the Loan
Agreement. The undersigned, Borrower's Secretary, hereby certifies in the name,
and on the behalf, of Borrower that Jeffrey Clarke is the duly elected,
qualified, and acting president of Borrower.

                                     By:
                                         ---------------------------------------
                                     Name:
                                           -------------------------------------
                                     Title:
                                            ------------------------------------

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