UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: March 21, 2012 4:00 P.M.
Form: S-1
CIK: 0001537058
Company Name: Whiting USA Trust II
File Number: 333-178586
CIK: 0001255474
Company Name: WHITING PETROLEUM CORP
File Number: 333-178586-01