In this Wednesday, July 24, 2013 photo released by the U.S. Coast Guard, abatement efforts underway near Hercules 265 Rig where fire has caused collapse of the drill floor and derrick following an explosion Tuesday night. An out-of-control natural gas well burned Wednesday off Louisiana hours after it ignited following a blowout, though authorities said there was no sign of a slick on the surface of the water. (AP Photo/U.S. Coast Guard)