Article Photos: Congress members seek investigation of Shell barge 3/6

This image provided by the U.S. Coast Guard shows the Royal Dutch Shell drilling rig Kulluk aground off a small island near Kodiak Island Wednesday Jan. 2, 2013. There's no indication of a fuel leak from Kulluk, the Coast Guard said Wednesday night, Jan. 2, 2013, of a maritime accident that has refueled debate over oil exploration in the U.S. Arctic Ocean. (AP Photo/U.S. Coast Guard)