Exhibit 10.29

Execution Version

SEVENTH AMENDMENT

TO

SECOND AMENDED AND RESTATED CREDIT AGREEMENT

dated as of

November 2, 2012

among

GOODRICH PETROLEUM COMPANY, L.L.C.,

as Borrower,

WELLS FARGO BANK, NATIONAL ASSOCIATION,

as Administrative Agent,

and

The Lenders Party Hereto

WELLS FARGO SECURITIES, LLC,

as Sole Lead Arranger and Bookrunner

SEVENTH AMENDMENT TO SECOND

AMENDED AND RESTATED CREDIT AGREEMENT

THIS SEVENTH AMENDMENT TO SECOND AMENDED AND RESTATED CREDIT AGREEMENT (this “Seventh Amendment”) dated as of November 2, 2012, is among GOODRICH PETROLEUM COMPANY, L.L.C., a Louisiana limited liability company (“Borrower”); each of the undersigned Guarantors (collectively, the “Guarantors”); WELLS FARGO BANK, NATIONAL ASSOCIATION, as administrative agent (in such capacity, together with its successors in such capacity, “Administrative Agent”) for the lenders party to the Credit Agreement (collectively, the “Lenders”).

R E C I T A L S

A. Borrower, Administrative Agent and the Lenders are parties to that certain Second Amended and Restated Credit Agreement dated as of May 5, 2009, as amended by that certain First Amendment dated as of September 22, 2009, that certain Second Amendment dated as of October 29, 2010, that certain Third Amendment dated as of February 4, 2011, that certain Fourth Amendment dated as of February 25, 2011, that certain Fifth Amendment dated as of May 16, 2011 and that certain Sixth Amendment dated as of October 31, 2011 (as amended, the “Credit Agreement”), pursuant to which the Lenders have made certain loans to and other extensions of credit on behalf of Borrower.

B. The Borrower, the Administrative Agent and the Lenders desire to amend certain provisions of the Credit Agreement.

C. NOW, THEREFORE, in consideration of the premises and the mutual covenants herein contained, for good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto agree as follows:

Section 1. Defined Terms. Each capitalized term used herein but not otherwise defined herein has the meaning given such term in the Credit Agreement. Unless otherwise indicated, all article and section references in this Seventh Amendment refer to articles and sections of the Credit Agreement.

Section 2. Amendments to Credit Agreement.

2.1 Amendment to Section 1.02. Section 1.02 is hereby amended by amending and restating the following definition:

“‘Agreement’ means this Second Amended and Restated Credit Agreement as amended by that certain First Amendment dated as of September 22, 2009, that certain Second Amendment dated as of October 29, 2010, that certain Third Amendment dated as of February 4, 2011, that certain Fourth Amendment dated February as of 25, 2011, that certain Fifth Amendment dated as of May 16, 2011, that certain Sixth Amendment dated as of October 31, 2011 and that certain Seventh Amendment dated as of November 2, 2012, as the same may from time to time be amended, amended and restated, supplemented or otherwise modified.”

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2.2 Amendment to Section 9.12(d)(iii). Section 9.12(d)(iii) is hereby amended and restated in its entirety to read as follows:

“(iii) if such sale or other disposition of Oil and Gas Property or Subsidiary owning Oil and Gas Properties included in the most recently delivered Reserve Report during any period between two successive Scheduled Redetermination Dates has a fair market value in excess of $10,000,000 (as determined by the Administrative Agent), individually or in the aggregate, the Borrowing Base shall be reduced, effective immediately upon such sale or disposition, by an amount equal to the value, if any, assigned such Property as recommended by the Administrative Agent and approved by Required Lenders in the most recent Borrowing Base, and”

Section 3. Borrowing Base. For the period from and including the Seventh Amendment Effective Date to but excluding the next Redetermination Date, the amount of the Borrowing Base shall be $210,000,000. Notwithstanding the foregoing, the Borrowing Base may be subject to further adjustments from time to time pursuant to Section 2.07(f), Section 8.13(c) or Section 9.12.

Section 4. Conditions Precedent. This Seventh Amendment shall not become effective until the date on which each of the following conditions is satisfied (or waived in accordance with Section 12.02 of the Credit Agreement) (the “Seventh Amendment Effective Date”):

4.1 The Administrative Agent shall have received from all of the Lenders, Borrower and the Guarantors, counterparts (in such number as may be requested by Administrative Agent) of this Seventh Amendment signed on behalf of such Persons.

4.2 The Administrative Agent and the Lenders shall have received all fees and other amounts due and payable on or prior to the date hereof, including, to the extent invoiced, reimbursement or payment of all documented out-of-pocket expenses required to be reimbursed or paid by the Borrower under the Credit Agreement.

4.3 No Default shall have occurred and be continuing, after giving effect to the terms of this Seventh Amendment.

4.4 The Administrative Agent shall have received such other documents as Administrative Agent or special counsel to Administrative Agent may reasonably request.

The Administrative Agent is hereby authorized and directed to declare this Seventh Amendment to be effective when it has received documents confirming or certifying, to the satisfaction of the Administrative Agent, compliance with the conditions set forth in this Section 4 or the waiver of such conditions as permitted in Section 12.02 of the Credit Agreement. Such declaration shall be final, conclusive and binding upon all parties to the Credit Agreement for all purposes.

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Section 5. Miscellaneous.

5.1 Confirmation. The provisions of the Credit Agreement, as amended by this Seventh Amendment, shall remain in full force and effect following the effectiveness of this Seventh Amendment.

5.2 Ratification and Affirmation; Representations and Warranties. Borrower and each Guarantor hereby (a) acknowledges the terms of this Seventh Amendment; (b) ratifies and affirms its obligations under, and acknowledges, renews and extends its continued liability under, each Loan Document to which it is a party and agrees that each Loan Document to which it is a party remains in full force and effect, except as expressly amended or modified hereby and (c) represents and warrants to the Lenders that as of the Seventh Amendment Effective Date, after giving effect to the terms of this Seventh Amendment: (i) all of the representations and warranties contained in each Loan Document to which it is a party are true and correct, except to the extent any such representations and warranties are expressly limited to an earlier date, in which case, such representations and warranties shall continue to be true and correct as of such specified earlier date, (ii) no Default has occurred and is continuing and (iii) no event, development or circumstance have occurred which individually or in the aggregate could reasonably be expected to be a Material Adverse Event.

5.3 Loan Document. This Seventh Amendment is a “Loan Document” as defined and described in the Credit Agreement and all of the terms and provisions of the Credit Agreement relating to Loan Documents shall apply hereto.

5.4 Counterparts. This Seventh Amendment may be executed by one or more of the parties hereto in any number of separate counterparts, and all of such counterparts taken together shall be deemed to constitute one and the same instrument. Delivery of this Seventh Amendment by facsimile or electronic transmission shall be effective as delivery of a manually executed counterpart hereof.

5.5 NO ORAL AGREEMENT. THIS SEVENTH AMENDMENT, THE CREDIT AGREEMENT AND THE OTHER LOAN DOCUMENTS EXECUTED IN CONNECTION HEREWITH AND THEREWITH REPRESENT THE FINAL AGREEMENT AMONG THE PARTIES AND MAY NOT BE CONTRADICTED BY EVIDENCE OF PRIOR, CONTEMPORANEOUS, OR UNWRITTEN ORAL AGREEMENTS OF THE PARTIES. THERE ARE NO SUBSEQUENT ORAL AGREEMENTS BETWEEN THE PARTIES.

5.6 GOVERNING LAW. THIS SEVENTH AMENDMENT (INCLUDING, BUT NOT LIMITED TO, THE VALIDITY AND ENFORCEABILITY HEREOF) SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF TEXAS.

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IN WITNESS WHEREOF, the parties hereto have caused this Seventh Amendment to be duly executed as of the date first written above.

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Signature Page to Seventh Amendment to Second A&R Credit Agreement

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Signature Page to Seventh Amendment to Second A&R Credit Agreement

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Signature Page to Seventh Amendment to Second A&R Credit Agreement

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Signature Page to Seventh Amendment to Second A&R Credit Agreement

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Signature Page to Seventh Amendment to Second A&R Credit Agreement

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Signature Page to Seventh Amendment to Second A&R Credit Agreement

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Signature Page to Seventh Amendment to Second A&R Credit Agreement