An oil rig is seen on the Gulf of Mexico near the coast of Louisiana, Saturday, Aug. 14, 2010.
An oil rig is seen on the Gulf of Mexico near the coast of Louisiana, Saturday, Aug. 14, 2010. Patrick Semansky AP file
An oil rig is seen on the Gulf of Mexico near the coast of Louisiana, Saturday, Aug. 14, 2010. Patrick Semansky AP file