Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

Abraxas Petroleum Corporation

San Antonio, Texas

We hereby consent to the incorporation by reference in the Prospectus constituting a part of this Registration Statement of our reports dated February 24, 2009, relating to the consolidated financial statements, and the effectiveness of Abraxas Petroleum Corporation’s internal control over financial reporting, appearing in the Company’s Annual Report on Form 10-K for the year ended December 31, 2008.

We also consent to the reference to us under the caption “Experts” in the Prospectus.

/s/BDO Seidman, LLP                                           

BDO Seidman, LLP

Dallas, Texas

December 16, 2009