1 EXHIBIT 23.3 FORREST A. GARB & ASSOCIATES, INC. PETROLEUM CONSULTANTS 5310 Harvest Hill Road, Suite 160 - LB 152 Dallas, Texas 75230-5805 (214) 788-1110 Telefax 991-3160 CONSENT OF INDEPENDENT ENGINEERS We consent to the inclusion in this first amendment to the registration statement on Form S-1 for Mewbourne Energy 98 Drilling Program of the summary of the Reserve report as of January 1, 1998, for Mewbourne Energy Partners 98-A, L.P. as audited by us. We also consent to the reference therein to our firm as an "Expert." FORREST A. GARB & ASSOCIATES, INC. Dallas, Texas May 8, 1998