EXHIBIT 23.4 [NETHERLAND, SEWELL & ASSOCIATES, INC. LOGO] CONSENT OF INDEPENDENT PETROLEUM ENGINEERS AND GEOLOGISTS We hereby consent to the incorporation by reference into this Registration Statement on Form S-1 of El Paso Energy Management, LLC of our reserve reports dated as of December 31, 1999, 2000, and 2001, each of which is included in the Annual Report on Form 10-K of El Paso Energy Partners, L.P. for the year ended December 31, 2001. We also consent to the reference to us under the heading of "Experts" in such Registration Statement. NETHERLAND, SEWELL & ASSOCIATES, INC. By: /s/ C.H. (Scott) Rees III ------------------------------------- C.H. (Scott) Rees III President and Chief Operating Officer Dallas, Texas August 12, 2002