EX-23.3 5 d07317a1exv23w3.txt CONSENT OF MILLER AND LENTS, LTD. EXHIBIT 23.3 MILLER AND LENTS, LTD. CONSENT OF INDEPENDENT PETROLEUM ENGINEERS Encore Acquisition Company 777 Main Street, Suite 1400 Fort Worth, Texas 76102 The firm of Miller and Lents, Ltd. hereby consents to the use of its name in Amendment No. 1 to Form S-3 (Registration Statement File No. 106943) of Encore Acquisition Company and to the incorporation by reference therein of its estimates of proved reserves and future net cash flows contained in Encore Acquisition Company's Annual Report on Form 10-K for the year ended December 31, 2002. MILLER AND LENTS, LTD. By: /s/ R. W. Frazier ----------------------------- R. W. Frazier President Houston, Texas August 21, 2003