Document and Entity Information	3 Months Ended
	Mar. 31, 2014	May 13, 2014 General Partners	May 13, 2014 Limited partner interest held by the managing general partner	May 13, 2014 Limited partners
Entity Registrant Name	Reef Global Energy VII, L.P.
Entity Central Index Key	0001344530
Document Type	10-Q
Document Period End Date	Mar. 31, 2014
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Current Reporting Status	Yes
Entity Filer Category	Smaller Reporting Company
Entity Common Stock, Shares Outstanding		48.620	1.423	922.361
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	Q1