5555 San Felipe Street
Houston, TX 77056-2723
Telephone: 713-629-6600

November 16, 2016

Via EDGAR

H. Roger Schwall

Assistant Director

U.S. Securities & Exchange Commission

Division of Corporation Finance

100 F Street, NE

Washington, D.C. 20549

Re: Marathon Oil Corporation

Form 10-K for Fiscal Year Ended

December 31, 2015

Filed February 25, 2016

Form 10-Q for Fiscal Quarter Ended

September 30, 2016

Filed November 3, 2016

File No. 1-05153

Dear Mr. Schwall,

On behalf of Marathon Oil Corporation, we acknowledge receipt of your letter dated November 14, 2016, concerning the above-referenced filings. We have begun to analyze the comments of the staff of the Securities and Exchange Commission (“Staff”) and to gather the requested information in response to this request. However, based upon the nature of the comments, we estimate that we will need more time to prepare our response. To confirm our conversation with the Staff today, we will provide a comprehensive response no later than December 16, 2016.

We appreciate your consideration in this matter. If you have any questions concerning our request, please do not hesitate to contact the undersigned at 713-629-6600.

Very truly yours,

/s/ Gary E. Wilson

Gary E. Wilson

Vice President, Controller and Chief Accounting Officer

Marathon Oil Corporation