Exhibit 23.4 CONSENT OF MANNON ASSOCIATES, INC. The Board of Directors Delta Petroleum Corporation We hereby consent to the incorporation by reference in this Registration Statement on Form S-8 of Delta Petroleum Corporation of the Delta Petroleum Corporation Annual Report on Form 10-K for the fiscal year ended December 31, 2006, which includes our name and information regarding our review of the reserve estimates for Delta Petroleum Corporation. Mannon Associates, Inc. By /s/ Robert W. Mannon Robert W. Mannon, President Santa Barbara, California March 9, 2007