Exhibit 23.2

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the Registration  Statements No.
33-48932, 33-48934,  33-72268,  33-81416, 33-81418,  333-17375, and 333-17377 on
Form S-8 of our report dated March 10, 2003, (July 18, 2003 as to Note 17, March
28,  2005  as  to  the  reclassification  of  the  2002  consolidated  financial
statements for  discontinued  operations  referred to in Note 2) relating to the
financial statements of Abraxas Petroleum  Corporation  appearing in this Annual
Report on Form 10-K of Abraxas Petroleum Corporation for the year ended December
31, 2004.


/s/ Deloitte & Touche LLP

San Antonio, Texas
March 28, 2005