Exhibit 23.1

            Consent of Independent Registered Public Accounting Firm

The Board of Directors and Stockholders
Mission Resources Corporation:

We consent to the incorporation by reference in the registration statements
(Nos. 333-27707, 333-57827, 333-54798, 333-63562, 333-105169, 333-116404 and
333-120351) on Form S-8 and (Nos. 333-111955, 333-113971 and 333-119258) on Form
S-3 of Mission Resources Corporation of our reports dated March 7, 2005, with
respect to the consolidated balance sheets of Mission Resources Corporation and
subsidiaries as of December 31, 2004 and 2003, and the related consolidated
statements of operations, changes in stockholders' equity and comprehensive
income or loss, and cash flows for each of the years in the three-year period
ended December 31, 2004, management's assessment of the effectiveness of
internal control over financial reporting as of December 31, 2004 and the
effectiveness of internal control over financial reporting as of December 31,
2004, which reports appear in the December 31, 2004, annual report on Form 10-K
of Mission Resources Corporation.

As discussed in note 2 to the consolidated financial statements, effective
January 1, 2003, the Company adopted the provisions of Statement of Financial
Accounting Standards (SFAS) No. 143, Accounting for Asset Retirement
Obligations. As discussed in note 2 to the consolidated financial statements,
effective January 1, 2002, the Company adopted the provisions of SFAS No. 142,
Goodwill and Other Intangible Assets.

KPMG LLP

Houston, Texas
March 7, 2005