Exhibit 23.6

                                     CONSENT


                   CONSENT OF INDEPENDENT PETROLEUM ENGINEERS

        We hereby consent to the reference to our firm under the caption
"Business - Reserves Information" and "Experts" in the Registration Statement
on Form S-1 and the Registration Statement on Form S-4 (the "Registration
Statements") of Abraxas Petroleum Corporation.


Dated:  February 3, 2003

MCDANIEL AND ASSOCIATES CONSULTANTS LTD.

/s/ P.A. Welch, P. Eng.
------------------------
Executive Vice President