Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

The Board of Directors
Endeavour International Corporation:

We consent to the use of our reports dated March 13, 2009, with respect to the consolidated balance sheets of Endeavour International Corporation and subsidiaries as of December 31, 2008 and 2007, and the related consolidated statements of operations, stockholders’ equity and comprehensive income, and cash flows for each of the years in the three-year period ended December 31, 2008, and the effectiveness of internal control over financial reporting as of December 31, 2008 incorporated herein by reference and to the reference to our firm under the heading “Experts” in the prospectus. Our report with respect to the consolidated financial statements refers to changes in the Company’s method of accounting and disclosures for fair value measurements and fair value reporting of financial assets and liabilities, and changes in accounting for uncertain tax positions.

/s/ KPMG LLP

Houston, Texas
December 16, 2009