UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: May 2, 2012 4:00 P.M.
Form: S-1
CIK: 0001538822
Company Name: Pacific Coast Oil Trust
File Number: 333-178928
CIK: 0001538824
Company Name: Pacific Coast Energy Co LP
File Number: 333-178928-01