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
Economic effects of the Deepwater Horizon oil spill the total liability could amount to as much as by the conclusion of the disaster. Financial analysts commented that BP was capable of addressing the potential liabilities that might result, and BP stock rose slightly on the news that the initial compensation fund had been agreed. On 5 July 2010, BP reported that its own expenditures on the oil spill had reached $3.12 billion, including the cost of the spill response, containment, relief well drilling, grants to the Gulf states, claims paid, and federal costs. As of 1 October 2010, BP has spent $11.2 billion. As of March 2012, BP