EXHIBIT 23(c) ------------- CONSENT OF WRIGHT AND COMPANY, INC. Exhibit 23(c) CONSENT OF INDEPENDENT PETROLEUM CONSULTANTS We consent to the references to our company in the Prospectus portion of the Registration Statement, including under the heading "Experts." Wright & Company, Inc. By: /s/ D. Randall Wright -------------------------------- D. Randall Wright August 1, 2005 President