Harvest Oil & Gas (HRST) 10-Q 2007 Q3 Quarterly report

Exhibit 32.2

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 accompanying report on Form 10-Q for the period ended September 30, 2007 of EV Energy Partners, L.P. (the “Partnership”) and filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Michael E. Mercer, Chief Financial Officer of EV Management, LLC, the general partner of EV Energy GP, L.P., the general partner of the Partnership, hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

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

• the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Partnership.

Date: November 14, 2007	By:	/s/ MICHAEL E. MERCER
		Michael E. Mercer
		Chief Financial Officer of EV Management LLC, general partner of EV Energy GP, L.P., general partner of EV Energy Partners, L.P.