Document Entity Information Document	9 Months Ended
	Sep. 30, 2013
Entity Information
Entity Registrant Name	PDC 2002 B LTD PARTNERSHIP
Entity Central Index Key	0001224950
Current Fiscal Year End Date	--12-31
Entity Filer Category	Smaller Reporting Company
Document Type	10-Q
Document Period End Date	Sep. 30, 2013
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q3
Amendment Flag	false
Entity Common Stock, Shares Outstanding	0.00
Additional General Partnership Units Outstanding	0