UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date:	September 16, 2011

Accession Number:	0000950123-11-084475
Submission Type:	POS AM
CIK: 0001379378 Company Name: Duncan Energy Partners L.P. File Number: 333-149583
CIK: 0001428857 Company Name: DEP Operating Partnership, L.P. File Number: 333-149583-01