VAALCO Energy (EGY) 10-K 2007 FY Annual report

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement Nos. 333-11448, 333-103576, 333-102649, 333-67859 and 333-144849 on Form S-8 and Registration Statement Nos. 333-121549 and 333-59059 on Form S-3 of our reports dated March 12, 2008, relating to the consolidated financial statements of VAALCO Energy, Inc. and subsidiaries (which report expresses an unqualified opinion and includes an explanatory paragraph relating to a change in the method of accounting for share-based payment in 2006), and the effectiveness of VAALCO Energy, Inc.’s internal control over financial reporting, appearing in this Annual Report on Form 10-K of VAALCO Energy, Inc. for the year ended December 31, 2007.

/s/ DELOITTE & TOUCHE LLP

Houston, Texas

March 12, 2008