Exhibit 23.5
CONSENT OF RYDER SCOTT COMPANY, L.P.
As independent oil and gas consultants, Ryder Scott Company, L.P. hereby consents to the incorporation by reference in the Registration Statements on Form S-8 (File Nos. 33-84258, 33-89282, 33-88196, 333-07255, 333-27525, 333-30324, 333-30478, 333-52668, 333-67734, 333-67740, 333-109162, 333-118312, 333-126191, 333-135949, 333-143990, 333-151762, 333-157504 and 333-160350) and Form S-3 (File No. 333-155754) of Chesapeake Energy Corporation of all references to our firm and information from our reserves report dated February 24, 2010, entitled “Chesapeake Energy Corporation Estimated Future Reserves and Income Attributable to Certain Leasehold and Royalty Interests SEC Case of December 31, 2009”, included in or made a part of the Chesapeake Energy Corporation Annual Report on Form 10-K for the year ended December 31, 2009 filed with the Securities and Exchange Commission on March 1, 2010, and our summary report attached as Exhibit 99.4 to the amendment on Form 10-K/A to such Annual Report on Form 10-K filed on or about August 2, 2010.
| /s/ RYDER SCOTT COMPANY, L.P. |
RYDER SCOTT COMPANY, L.P. TBPE Firm Registration No. F-1580 |
Houston, Texas
August 2, 2010