Handout photo showing a cloud of natural gas rising from the Hercules 265 drilling rig located 55 miles off the coast of Louisiana

 
Handout photo showing a cloud of natural gas rising from the Hercules 265 drilling rig located 55 miles off the coast of Louisiana
A cloud of natural gas rises from the Hercules 265 drilling rig located 55 miles (89 km) off the coast of Louisiana in the Gulf of Mexico as seen in this handout photo from the Bureau of Safety and Environmental Enforcement (BSEE) taken July 23, 2013. REUTERS/Bureau of Safety and Environmental Enforcement/Handout via Reuters