Emerald Oil (EOGSF) 10-K 2010 FY Annual report

QuickLinks -- Click here to rapidly navigate through this document

Exhibit 32.1

CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

        In connection with the Annual Report of Voyager Oil & Gas, Inc., on Form 10-K for the period ended December 31, 2010, as filed with the United States Securities and Exchange Commission on the date hereof, (the "Report"), each of the undersigned officers of our company hereby certifies, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of his knowledge:

(1)

The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and



(2)

The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of our company.

Date: March 14, 2011	By:	/s/ J.R. REGER James Russell (J.R.) Reger Chief Executive Officer
Date: March 14, 2011	By:	/s/ MITCHELL R. THOMPSON Mitchell R. Thompson Chief Financial Officer

        A signed original of this written statement required by Section 906 of the Sarbanes-Oxley Act of 2002 has been provided to our company and will be retained by our company and furnished to the Securities and Exchange Commission or its staff upon request.

QuickLinks

Exhibit 32.1

CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002