United States offshore drilling debate recently, Russia has begun drilling in the black sea with a Chinese-made oil rig, Scarabeo 9. Since the rig wasn't built in the U.S. and was agreed to before the imposition of additional sanctions by the E.U. in 2014, Russia has been able to avoid sanctions and operate the rig. Offshore facilities pose an environmental risk of oil spills. On April 20, 2010, an underwater blowout and subsequent explosion and fire destroyed the "Deepwater Horizon" rig owned by Transocean Ltd. and operating in the Gulf of Mexico under lease to energy giant BP, resulting in the largest oil spill in
Gulf of Mexico BP reached an $18.7bn settlement with the US government, the states of Alabama, Florida, Louisiana, Mississippi and Texas, as well as 400 local authorities. To date BP's cost for the clean-up, environmental and economic damages and penalties has reached $54bn. According to the National Response Center, the oil industry has thousands of minor accidents in the Gulf of Mexico every year. On May 12, 2016, a release of oil from subsea infrastructure on Shell's "Brutus" oil rig released 2,100 barrels of oil. This leak created a visible 2 mile by 13 mile oil slick in the sea about 97 miles