Chesapeake Energy (CHK)

CONSENT OF LEE KEELING AND ASSOCIATES, INC.

As independent oil and gas consultants, Lee Keeling and Associates, Inc. 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 and 333-157504), Form S-3 (File Nos. 333-142720, 333-151010, 333-151011, 333-155754, 333-156979) and Form S-4 (File No. 333-155755) of Chesapeake Energy Corporation of all references to our firm’s name and audit of portions of Chesapeake’s Energy Corporation’s proved natural gas and oil reserves estimates as of December 31, 2008, as described in our letter to Chesapeake Energy Corporation dated February 6, 2009, included in or made a part of the Chesapeake Energy Corporation Annual Report on Form 10-K to be filed with the Securities and Exchange Commission on or about March 2, 2009.

Tulsa, Oklahoma

February 26, 2009

CONSENT OF LEE KEELING AND ASSOCIATES, INC.

As independent oil and gas consultants, Lee Keeling and Associates, Inc. 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, 333-46129, 333-30478, 333-52668, 333-67734, 333-67740, 333-109162, 333-118312, 333-118325, 333-126191, 333-135949 and 333-143990) and Form S-3 (File Nos. 333-130196 and 333-142720) of Chesapeake Energy Corporation of information from our reserve report dated February 14, 2008, entitled “Estimated Oil and Gas Properties Interest Owned by Chesapeake Energy Corporation Selected Properties Constant Prices and Expenses Effective Date January 1, 2008” and all references to our firm included in or made a part of the Chesapeake Energy Corporation Annual Report on Form 10-K to be filed with the Securities and Exchange Commission on or about February 28, 2008.

Tulsa, Oklahoma

February 28, 2008

CONSENT OF LEE KEELING AND ASSOCIATES, INC.

As independent oil and gas consultants, Lee Keeling and Associates, Inc. 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, 333-46129, 333-30478, 333-52668, 333-52666, 333-67734, 333-67736, 333-67740, 333-109162, 333-118312, 333-118325, 333-126191 and 333-135949) and Form S-3 (File Nos. 333-116461, 333-125682, 333-130196, 333-132261, 333-132262, 333-138966 and 333-139053) of Chesapeake Energy Corporation of information from our reserve report dated February 2, 2007, entitled “Estimated Oil and Gas Properties Interest Owned by Chesapeake Energy Corporation Selected Properties Constant Prices and Expenses Effective Date January 1, 2007” and all references to our firm included in or made a part of the Chesapeake Energy Corporation Annual Report on Form 10-K to be filed with the Securities and Exchange Commission on or about February 28, 2007.

Tulsa, Oklahoma

February 26, 2007