Oil Companies Must Set Aside More Money to Plug Wells, a New Rule Says. But ... GULF of MEXICO - The drillship Discoverer Enterprise arrives at the Deepwater Horizon site May 7, 2010. The ship was brought in to drill a relief well to help stop the flow of oil from a wellhead that was damaged when the Deepwater Horizon rig exploded April 20, 2010. U.S. Coast Guard photo by Petty Officer 3rd Class Patrick Kelley. (857146) ( )...
