1 EXHIBIT 23.3 [MILLER AND LENTS, LTD. LETTERHEAD] CONSENT OF INDEPENDENT PETROLEUM ENGINEERS AND GEOLOGISTS We hereby consent to the incorporation by reference of Miller and Lents, Ltd. into Ocean Energy Royalty Trust's Registration Statement on Form S-1 and Ocean Energy, Inc.'s Registration Statement on Form S-3 to which this consent is an exhibit. We further consent to the reference to our firm under the heading "Experts" in the Registration Statement. MILLER AND LENTS, LTD. By /s/ GREGORY W. ARMES ------------------------------ Gregory W. Armes Senior Vice President Houston, Texas July 14, 1999