Exhibit 10.18

THIRD AMENDMENT TO SEVENTH RESTATED CREDIT AGREEMENT

This Third Amendment to Seventh Restated Credit Agreement (this “Third
Amendment”) is effective as of May 13, 2008 (the “Amendment Effective Date”), by
and among CHAPARRAL ENERGY, INC., a Delaware corporation (“Parent”), CHAPARRAL
ENERGY, L.L.C., an Oklahoma limited liability company (in its capacity as
Borrower Representative for the Borrowers, “Borrower Representative”), JPMORGAN
CHASE BANK, N.A., a national banking association, as Administrative Agent
(“Administrative Agent”), and each of the financial institutions a party hereto
as Lenders (hereinafter collectively referred to as “Lenders”, and individually,
“Lender”).

W I T N E S S E T H:

WHEREAS, Parent, Borrowers, Administrative Agent, the other Agents party thereto
and Lenders are parties to that certain Seventh Restated Credit Agreement dated
as of October 31, 2006 (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 Lenders have made revolving
credit loans to Borrowers; and

WHEREAS, the parties hereto desire to (a) amend certain terms of the Credit
Agreement in certain respects, and (b) establish a Borrowing Base in an amount
equal to $600,000,000 (the “Amendment Redetermination”), to be effective as of
the Amendment Effective Date and continuing until the next redetermination of
the Borrowing Base thereafter.

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, Parent, Borrower
Representative (on behalf of Borrowers), Administrative Agent and Lenders hereby
agree as follows:

SECTION 1. Amendments. In reliance on the representations, warranties, covenants
and agreements contained in this Third Amendment, and subject to the
satisfaction of the conditions precedent set forth in Section 4 hereof, the
Credit Agreement is hereby amended effective as of the Amendment Effective Date
in the manner provided in this Section 1.

1.1 Amendments to Definitions. The definitions of “Applicable Margin” and “Loan
Documents” contained in Section 1.02 of the Credit Agreement shall be amended to
read in full as follows:

“Applicable Margin” means, for any day, with respect to any ABR Loan or
Eurodollar Loan, or with respect to the Commitment Fee Rate, as the case may be,
the rate per annum set forth in the Conforming Borrowing Base Utilization Grid
below based upon the Conforming Borrowing Base Utilization Percentage then in
effect:

 

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Conforming Borrowing Base Utilization Grid

 

 

Conforming Borrowing Base Utilization Percentage

   <50 %   >50 <75 %   >75% <90 %   >90% < 100 %   > 100 %

Eurodollar Loans

   150.0  b.p.   175.0  b.p.   200.0  b.p.   225.0  b.p.   275.0  b.p.

ABR Loans

   0  b.p.   25.0  b.p.   50.0  b.p.   75.0  b.p.   125.0  b.p.

Commitment Fee Rate

   25.0  b.p.   37.5  b.p.   37.5  b.p.   37.5  b.p.   50.0  b.p.

Each change in the Applicable Margin shall apply during the period commencing on
the effective date of such change and ending on the date immediately preceding
the effective date of the next such change.

“Loan Documents” means this Agreement, the First Amendment, the Second
Amendment, the Third Amendment, the Notes, the Letter of Credit Agreements, the
Letters of Credit, the Certificate of Effectiveness, and the Security
Instruments.

1.2 Additional Definition. Section 1.02 of the Credit Agreement shall be amended
to add the following definition to such Section:

“Third Amendment” means that certain Third Amendment to Seventh Restated Credit
Agreement dated effective as of May 13, 2008, among Parent, Borrower
Representative (on behalf of Borrowers), Administrative Agent and Lenders.

1.3 Amendment to Swap Covenant. Section 9.18 of the Credit Agreement shall be
amended to read in full as follows:

“Section 9.18 Swap Agreements. Parent and the Borrowers will not, and will not
permit any other Credit Party to, enter into any Swap Agreements with any Person
other than (a) Swap Agreements in respect of commodities (i) with an Approved
Counterparty and (ii) which shall not, in any case, have a tenor of greater than
five and one-half (5.5) years and the notional volumes for which (when
aggregated with other commodity Swap Agreements then in effect other than basis
differential swaps on volumes already hedged pursuant to other Swap Agreements)
do not exceed, as of the date such Swap Agreement is executed (1) 85% of the
reasonably anticipated projected production from proved, developed, producing
Oil and Gas Properties for each month during the initial three (3) year period
during which such Swap Agreement is in effect for each of crude oil and natural
gas, calculated separately, and (2) 80% of the reasonably anticipated projected
production from proved, developed, producing Oil and Gas Properties for each
month during the remaining period during which such Swap Agreement is in effect
for each of crude oil and natural gas, calculated separately, and (b) Swap
Agreements in respect of interest rates with an Approved Counterparty, the
notional amounts of which (when aggregated with all other Swap Agreements of the
Credit Parties’ then in effect in respect of interest rates) do not exceed 100%
of the then outstanding principal amount of the Credit Parties’ Debt for
borrowed

 

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money, and which Swap Agreements shall not, in any case, have a tenor of greater
than five (5) years. In no event shall any Swap Agreement to which any Credit
Party is a party contain any requirement, agreement or covenant for any Credit
Party to post cash or other collateral or margin to secure their obligations
under such Swap Agreement or to cover market exposures. Further, Parent and the
Borrowers will not, and will not permit any other Credit Party to, terminate any
Swap Agreement, now existing or hereafter arising, which has been or will be
incorporated into the determination of the Borrowing Base and, as applicable,
the Conforming Borrowing Base, without the prior written consent of the Required
Lenders. Notwithstanding the foregoing, Parent and the Borrowers will be
permitted to enter into Swap Agreements (on a one-time basis) on terms and
conditions acceptable to, and detailed in writing to, the Administrative Agent
and the Lenders in order to support the Borrowing Base to become effective as of
the Amendment Effective Date (as defined in the Third Amendment).”

1.4 Restatement of Annex and Schedules. Annex I, Schedule 7.14 and Schedule 7.15
to the Credit Agreement shall be deleted in their entirety and replaced with
Annex I, Schedule 7.14 and Schedule 7.15 attached to this Third Amendment.

SECTION 2. Borrowing Base Redetermination. Pursuant to Section 2.07 of the
Credit Agreement, the Borrowing Base shall be established at $600,000,000
effective as of the Amendment Effective Date, and continuing until the next
Scheduled Redetermination or Interim Redetermination of the Borrowing Base
thereafter. Borrower Representative (on behalf of each Borrower), Parent and
Lenders agree that the redetermination of the Borrowing Base provided for in
this Section 2 shall not be considered or deemed to be an Interim
Redetermination. After giving effect to the Amendment Redetermination, the
allocation of the Borrowing Base among the Lenders is as follows:

 

JPMorgan Chase Bank, N.A.

   $ 47,900,000.00

Fortis Capital Corp.

   $ 46,000,000.00

The Royal Bank of Scotland plc

   $ 46,000,000.00

Bank of Scotland plc

   $ 46,000,000.00

Bank of America, N.A.

   $ 42,000,000.00

Wells Fargo Bank, N.A.

   $ 40,000,000.00

The Bank of Nova Scotia

   $ 36,000,000.00

Calyon New York Branch

   $ 36,000,000.00

Comerica Bank

   $ 36,000,000.00

Guaranty Bank

   $ 36,000,000.00

Union Bank of California, N.A.

   $ 36,000,000.00

BMO Capital Markets Financing, Inc.

   $ 31,500,000.00

SunTrust Bank

   $ 24,000,000.00

Allied Irish Banks, p.l.c.

   $ 22,400,000.00

Sterling Bank

   $ 22,200,000.00

U.S. Bank National Association

   $ 20,000,000.00

Bank of Oklahoma, N.A.

   $ 16,000,000.00

Natixis

   $ 16,000,000.00       

Total

   $ 600,000,000.00

 

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SECTION 3. Rearrangement of Existing Loans. Upon the effectiveness of this Third
Amendment, all of the Maximum Credit Amounts and outstanding Indebtedness under
the Credit Agreement as of the date of such effectiveness shall hereby be
restructured, rearranged, renewed, extended and continued under the Credit
Agreement (as amended hereby) and all Loans and Letters of Credit outstanding
under the Credit Agreement as of the date of such effectiveness shall hereby
become Loans and Letters of Credit outstanding under the Credit Agreement (as
amended hereby). In connection with the foregoing, the Lenders party to the
Credit Agreement prior to the effectiveness of this Third Amendment (the
“Existing Lenders”) hereby sell, assign, transfer and convey, and the Lenders
hereby purchase and accept, so much of the aggregate Maximum Credit Amounts
under, Loans outstanding under, and participations in Letters of Credit issued
pursuant to, the Credit Agreement such that the Maximum Credit Amount of each
Lender shall be as set forth on Annex I to the Credit Agreement (as amended
hereby). The foregoing assignments, transfers and conveyances are without
recourse to the Existing Lenders and without any warranties whatsoever by any
Agent, any Issuing Bank or any Existing Lender as to title, enforceability,
collectibility, documentation or freedom from liens or encumbrances, in whole or
in part, other than the warranty of each Existing Lender that it has not
previously sold, transferred, conveyed or encumbered such interests.

SECTION 4. Conditions Precedent. The effectiveness of (a) the amendments to the
Credit Agreement contained in Section 1 hereof, and (b) the establishment of the
Borrowing Base contained in Section 2 hereof, is subject to the satisfaction of
each of the following conditions precedent:

4.1 No Default. No Default or Event of Default shall have occurred which is
continuing.

4.2 Notes. Borrowers shall have delivered, if requested by any Lender (including
any Person becoming a Lender as of the Amendment Effective Date) whose Maximum
Credit Amount increases or decreases after giving effect to this Third
Amendment, a new Note payable to the order of such Lender in a principal amount
equal to its Maximum Credit Amount after giving effect to this Third Amendment,
and otherwise duly completed and executed.

4.3 Swap Agreements. Parent and Borrowers shall have, within thirty (30) days of
the Amendment Effective Date, entered into Swap Agreements as described in the
last sentence of Section 9.18 of the Credit Agreement (as amended hereby), which
Swap Agreements shall be in form and substance mutually acceptable to Parent,
Borrowers and Administrative Agent.

4.4 Other Documents. Administrative Agent shall have been provided with such
other documents, instruments and agreements, and Parent and Borrowers shall have
taken such actions, as Administrative Agent may reasonably require in connection
with this Third Amendment and the transactions contemplated hereby.

SECTION 5. Representations and Warranties of Borrowers. To induce the Lenders
and Administrative Agent to enter into this Third Amendment, Parent and Borrower
Representative (on behalf of Borrowers) hereby jointly and severally represent
and warrant to the Lenders and Administrative Agent as follows:

5.1 Reaffirm Existing Representations and Warranties. Each representation and
warranty of each Credit Party contained in the Credit Agreement and the other
Loan Documents 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.

 

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5.2 Due Authorization; No Conflict. The execution, delivery and performance by
Parent and Borrower Representative (on behalf of Borrowers) of this Third
Amendment are within Parent’s and Borrower Representative’s corporate and
limited liability company powers (as applicable), have been duly authorized by
all 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
Parent, any Borrower or any other Credit Party or result in the creation or
imposition of any Lien upon any of the assets of Parent, any Borrower or any
other Credit Party except Excepted Liens. Borrower Representative is duly
authorized to execute this Third Amendment on behalf of Borrowers, and upon such
execution and delivery, this Third Amendment shall be binding and enforceable
against each such Borrower as if this Third Amendment had been executed by each
such Borrower.

5.3 Validity and Enforceability. This Third Amendment constitutes the valid and
binding obligation of Parent and Borrowers enforceable in accordance with its
terms, except as (a) the enforceability thereof may be limited by bankruptcy,
insolvency or similar laws affecting creditor’s rights generally, and (b) the
availability of equitable remedies may be limited by equitable principles of
general application.

5.4 No Default or Event of Default. No Default or Event of Default has occurred
which is continuing.

SECTION 6. Miscellaneous.

6.1 Reaffirmation of Loan Documents; Extension of Liens. Any and all of the
terms and provisions of the Credit Agreement and the Loan Documents shall,
except as amended and modified hereby, remain in full force and effect. The
amendments contemplated hereby shall not limit or impair any Liens securing the
Indebtedness, each of which are hereby ratified, affirmed and extended to secure
the Indebtedness after giving effect to this Third Amendment.

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

6.3 Legal Expenses. Parent and Borrower Representative (on behalf of Borrowers)
hereby jointly and severally agree to pay on demand all reasonable fees and
expenses of counsel to Administrative Agent incurred by Administrative Agent in
connection with the preparation, negotiation and execution of this Third
Amendment and all related documents.

6.4 Counterparts. This Third Amendment may be executed in counterparts, and all
parties need not execute the same counterpart; however, no party shall be bound
by this Third Amendment until Parent, Borrower Representative and all Lenders
have executed a counterpart. Facsimiles or other electronic transmission shall
be effective as originals.

 

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6.5 Complete Agreement. THIS THIRD AMENDMENT, THE CREDIT AGREEMENT AND THE OTHER
LOAN DOCUMENTS REPRESENT THE FINAL AGREEMENT AMONG 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 OR AMONG THE PARTIES.

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

6.7 Effectiveness. This Third Amendment shall be effective automatically and
without necessity of any further action by Parent, Borrower Representative,
Borrowers, Administrative Agent or Lenders when counterparts hereof have been
executed by Parent, Borrower Representative, Administrative Agent and all
Lenders, and all conditions to the effectiveness hereof set forth herein have
been satisfied.

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

[Signature pages to follow]

 

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PARENT:   CHAPARRAL ENERGY, INC.,   a Delaware corporation   By:  

/s/ Mark A. Fischer

    Mark A. Fischer, Chief Executive Officer and President BORROWERS:  
CHAPARRAL ENERGY, L.L.C.,   an Oklahoma limited liability company, as a Borrower
and as Borrower Representative (on behalf of Borrowers)   By:  

/s/ Mark A. Fischer

    Mark A. Fischer, Manager

Each of the undersigned (i) consent and agree to this Third Amendment and each
of the terms and provisions contained herein, and (ii) agree that the Loan
Documents to which it is a party shall remain in full force and effect and shall
continue to be the legal, valid and binding obligation of such Person,
enforceable against it in accordance with its terms.

 

    ACKNOWLEDGED AND AGREED TO BY: GUARANTORS:   GREEN COUNTRY SUPPLY, INC.,  
an Oklahoma corporation   By:  

/s/ Mark A. Fischer

    Mark A. Fischer, President   ROADRUNNER DRILLING, L.L.C.,   an Oklahoma
limited liability company   By:  

/s/ Mark A. Fischer

    Mark A. Fischer, Manager

 

[SIGNATURE PAGE 1 TO THIRD AMENDMENT TO SEVENTH RESTATED CREDIT AGREEMENT]

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ADMINISTRATIVE AGENT/LENDER:   JPMORGAN CHASE BANK, N.A.,   as Administrative
Agent and a Lender   By:  

/s/ J. Scott Fowler

    J. Scott Fowler,     Senior Vice President

 

[SIGNATURE PAGE 2 TO THIRD AMENDMENT TO SEVENTH RESTATED CREDIT AGREEMENT]

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LENDER:   FORTIS CAPITAL CORP.,   as a Lender   By:  

/s/ David Montgomery

  Name:  

David Montgomery

  Title:  

Director

  By:  

/s/ Ilene Fowler

  Name:  

Ilene Fowler

  Title:  

Director

 

[SIGNATURE PAGE 3 TO THIRD AMENDMENT TO SEVENTH RESTATED CREDIT AGREEMENT]

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LENDER:   THE ROYAL BANK OF SCOTLAND plc,   as a Lender   By:  

/s/ Scott L. Joyce

  Name:  

Scott L. Joyce

  Title:  

Senior Vice President

 

[SIGNATURE PAGE 4 TO THIRD AMENDMENT TO SEVENTH RESTATED CREDIT AGREEMENT]

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LENDER:   BANK OF AMERICA, N.A.,   as a Lender   By:  

/s/ Stephen J. Hoffman

  Name:  

Stephen J. Hoffman

  Title:  

Managing Director

 

[SIGNATURE PAGE 5 TO THIRD AMENDMENT TO SEVENTH RESTATED CREDIT AGREEMENT]

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LENDER:   BANK OF SCOTLAND plc,   as a Lender   By:  

/s/ Karen Welch

  Name:  

Karen Welch

  Title:  

Vice President

 

[SIGNATURE PAGE 6 TO THIRD AMENDMENT TO SEVENTH RESTATED CREDIT AGREEMENT]

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LENDER:   THE BANK OF NOVA SCOTIA,   as a Lender   By:  

/s/ David G. Mills

  Name:  

David G. Mills

  Title:  

Director

 

[SIGNATURE PAGE 7 TO THIRD AMENDMENT TO SEVENTH RESTATED CREDIT AGREEMENT]

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LENDER:  

BMO CAPITAL MARKETS FINANCING, INC.,

as a Lender

  By:  

/s/ Gumaro Tijerna

  Name:  

Gumaro Tijerna

  Title:  

Vice President

 

[SIGNATURE PAGE 8 TO THIRD AMENDMENT TO SEVENTH RESTATED CREDIT AGREEMENT]

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LENDER:   CALYON NEW YORK BRANCH,   as a Lender   By:  

/s/ Dennis E. Petito

  Name:  

Dennis E. Petito

  Title:  

Managing Director

  By:  

/s/ Michael D. Willis

  Name:  

Michael D. Willis

  Title:  

Director

 

[SIGNATURE PAGE 9 TO THIRD AMENDMENT TO SEVENTH RESTATED CREDIT AGREEMENT]

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LENDER:   COMERICA BANK,   as a Lender   By:  

/s/ Rebecca L. Wilson

  Name:  

Rebecca L. Wilson

  Title:  

Asst. Vice President

 

[SIGNATURE PAGE 10 TO THIRD AMENDMENT TO SEVENTH RESTATED CREDIT AGREEMENT]

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LENDER:   GUARANTY BANK,   as a Lender   By:  

/s/ W. David McCarver IV

  Name:  

W. David McCarver IV

  Title:  

Vice President

 

[SIGNATURE PAGE 11 TO THIRD AMENDMENT TO SEVENTH RESTATED CREDIT AGREEMENT]

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LENDER:   UNION BANK OF CALIFORNIA, N.A.,   as a Lender   By:  

/s/ Timothy Brendel

  Name:  

Timothy Brendel

  Title:  

Assistant Vice President

 

[SIGNATURE PAGE 12 TO THIRD AMENDMENT TO SEVENTH RESTATED CREDIT AGREEMENT]

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LENDER:   SUNTRUST BANK,   as a Lender   By:  

/s/ Yann Pirio

  Name:  

Yann Pirio

  Title:  

Director

 

[SIGNATURE PAGE 13 TO THIRD AMENDMENT TO SEVENTH RESTATED CREDIT AGREEMENT]

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LENDER:   STERLING BANK,   as a Lender   By:  

/s/ David W. Phillips

  Name:  

David W. Phillips

  Title:  

Senior Vice President

 

[SIGNATURE PAGE 14 TO THIRD AMENDMENT TO SEVENTH RESTATED CREDIT AGREEMENT]

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LENDER:   U.S. BANK NATIONAL ASSOCIATION,   as a Lender   By:  

/s/ Daria Mahoney

  Name:  

Daria Mahoney

  Title:  

Vice President

 

[SIGNATURE PAGE 15 TO THIRD AMENDMENT TO SEVENTH RESTATED CREDIT AGREEMENT]

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LENDER:   BANK OF OKLAHOMA, N.A.,   as a Lender   By:  

/s/ Jeffrey Hall

  Name:  

Jeffrey Hall

  Title:  

Vice President

 

[SIGNATURE PAGE 16 TO THIRD AMENDMENT TO SEVENTH RESTATED CREDIT AGREEMENT]

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LENDER:   NATIXIS, as a Lender   By:  

/s/ Liana Tchernyshara

  Name:  

Liana Tchernyshara

  Title:  

Director

  By:  

/s/ Louis P. Laville, III

  Name:  

Louis P. Laville, III

  Title:  

Managing Director

 

[SIGNATURE PAGE 17 TO THIRD AMENDMENT TO SEVENTH RESTATED CREDIT AGREEMENT]

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LENDER:

  WELLS FARGO BANK, N.A.,   as a Lender   By:  

/s/ Dustin S. Hansen

  Name:  

Dustin S. Hansen

  Title:  

Vice President

 

[SIGNATURE PAGE 18 TO THIRD AMENDMENT TO SEVENTH RESTATED CREDIT AGREEMENT]

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LENDER:   ALLIED IRISH BANKS, p.l.c.,   as a Lender   By:  

/s/ Aidan Lanigan

  Name:  

Aidan Lanigan

  Title:  

Vice President

  By:  

/s/ David O’Driscoll

  Name:  

David O’Driscoll

  Title:  

Assistant Vice President

 

[SIGNATURE PAGE 19 TO THIRD AMENDMENT TO SEVENTH RESTATED CREDIT AGREEMENT]

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ANNEX I

LIST OF MAXIMUM CREDIT AMOUNTS

 

Name of Lender

   Applicable
Percentage     Maximum Credit
Amount

JPMorgan Chase Bank, N.A.

   7.98333 %   $ 59,875,000.00

Fortis Capital Corp.

   7.66667 %   $ 57,500,000.00

The Royal Bank of Scotland plc

   7.66667 %   $ 57,500,000.00

Bank of Scotland plc

   7.66667 %   $ 57,500,000.00

Bank of America, N.A.

   7.00000 %   $ 52,500,000.00

Wells Fargo Bank, N.A.

   6.66667 %   $ 50,000,000.00

The Bank of Nova Scotia

   6.00000 %   $ 45,000,000.00

Calyon New York Branch

   6.00000 %   $ 45,000,000.00

Comerica Bank

   6.00000 %   $ 45,000,000.00

Guaranty Bank

   6.00000 %   $ 45,000,000.00

Union Bank of California, N.A.

   6.00000 %   $ 45,000,000.00

BMO Capital Markets Financing, Inc.

   5.25000 %   $ 39,375,000.00

SunTrust Bank

   4.00000 %   $ 30,000,000.00

Allied Irish Banks, p.l.c.

   3.73333 %   $ 28,000,000.00

Sterling Bank

   3.70000 %   $ 27,750,000.00

U.S. Bank National Association

   3.33333 %   $ 25,000,000.00

Bank of Oklahoma, N.A.

   2.66667 %   $ 20,000,000.00

Natixis

   2.66667 %   $ 20,000,000.00             

TOTAL

   100.00000 %   $ 750,000,000.00

 

Annex I-1

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SCHEDULE 7.14

SUBSIDIARIES

LOGO [g48678ex10_18pg27.jpg]

 

Schedule 7.14-1

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SCHEDULE 7.15

ORGANIZATIONAL INFORMATION

 

Name:

  

Jurisdiction of
Organization

  

Organizational
Identification
Number

  

Principal Place of Business

Chaparral Energy, Inc.    Delaware    4030106   

701 Cedar Lake Blvd.

Oklahoma City, Oklahoma 73114

Chaparral Energy, L.L.C.    Oklahoma    N/A   

701 Cedar Lake Blvd.

Oklahoma City, Oklahoma 73114

NorAm Petroleum, L.L.C.    Oklahoma    N/A   

701 Cedar Lake Blvd.

Oklahoma City, Oklahoma 73114

Chaparral Resources, L.L.C.    Oklahoma    N/A   

701 Cedar Lake Blvd.

Oklahoma City, Oklahoma 73114

Chaparral CO2, L.L.C.    Oklahoma    N/A   

701 Cedar Lake Blvd.

Oklahoma City, Oklahoma 73114

CEI Acquisition, L.L.C.    Delaware    4038038   

701 Cedar Lake Blvd.

Oklahoma City, Oklahoma 73114

CEI Pipeline, L.L.C.    Texas    N/A   

701 Cedar Lake Blvd.

Oklahoma City, Oklahoma 73114

Chaparral Real Estate, L.L.C.    Oklahoma    N/A   

701 Cedar Lake Blvd.

Oklahoma City, Oklahoma 73114

Oklahoma Ethanol LLC    Oklahoma    N/A   

701 Cedar Lake Blvd.

Oklahoma City, Oklahoma 73114

Chaparral Biofuels, L.L.C.    Oklahoma    N/A   

701 Cedar Lake Blvd.

Oklahoma City, Oklahoma 73114

Green Country Supply, Inc.    Oklahoma    N/A   

701 Cedar Lake Blvd.

Oklahoma City, Oklahoma 73114

Roadrunner Drilling, L.L.C.    Oklahoma    N/A   

701 Cedar Lake Blvd.

Oklahoma City, Oklahoma 73114

 

Schedule 7.15-1