END Management S-4 Registration of securities issued in business combination transactions

EXHIBIT 23.5

CONSENT OF INDEPENDENT PETROLEUM ENGINEERS AND GEOLOGISTS

As oil and gas consultants, we hereby consent to the incorporation by reference in this Registration Statement on Form S-4 of our report dated January 27, 2012, included in Endeavour International Corporation’s Annual report on Form 10-K for the year ended December 31, 2011, and to the reference to us under the caption “Experts” appearing in such Registration Statement.

NETHERLAND, SEWELL & ASSOCIATES, INC.
By:	/s/ J. Carter Henson, Jr.
	J. Carter Henson, Jr., P.E. Senior Vice President

Houston, Texas

January 28, 2013