Exhibit 32.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER

PURSUANT TO 18 U.S.C. § 1350 AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the quarterly report of Reef Global Energy VII, L.P. (the Partnership) on Form 10-Q for the period ending June 30, 2007 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Daniel C. Sibley, Chief Financial Officer of Reef Oil & Gas Partners, L.P., the managing general partner of Reef Global Energy VII, L.P., certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(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 on Form 10-Q fairly presents, in all material respects, the financial condition and results of operations of the Partnership.

Date:  August 20, 2007	/s/ Daniel C. Sibley
	Daniel C. Sibley
	Chief Financial Officer
	Reef Oil & Gas Partners, L.P.

This certification is not deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, or otherwise subject to the liability of that section.  This certification is not deemed to be incorporated by reference in any filing under the Securities Act of 1933 or the Securities Exchange Act of 1934, except to the extent that the Company specifically incorporates it by reference.