v2.4.0.8

Document and Entity Information	6 Months Ended
Document and Entity Information	Jun. 30, 2013	Aug. 12, 2013 Managing general partner	Aug. 12, 2013 Limited partners
Entity Registrant Name	Reef Global Energy VII, L.P.
Entity Central Index Key	0001344530
Document Type	10-Q
Document Period End Date	Jun. 30, 2013
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	923.783
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q2

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Reef Global Energy VII, L.P. 10-Q