Deepwater Horizon explosion Deepwater Horizon explosion The "Deepwater Horizon" drilling rig explosion was the April 20, 2010, explosion and subsequent fire on the "Deepwater Horizon" semi-submersible Mobile Offshore Drilling Unit (MODU), which was owned and operated by Transocean and drilling for BP in the Macondo Prospect oil field about southeast off the Louisiana coast. The explosion and subsequent fire resulted in the sinking of the "Deepwater Horizon" and the deaths of 11 workers; 17 others were injured. The same blowout that caused the explosion also caused a massive offshore oil spill in the Gulf of Mexico, considered the largest accidental marine oil spill
Offshore oil and gas in the Gulf of Mexico (United States) blowout) began on April 20, 2010, in the Gulf of Mexico on the BP-operated Macondo Prospect. Killing eleven people, it is considered the largest marine oil spill in the history of the petroleum industry and estimated to be 8% to 31% larger in volume than the previous largest, the Ixtoc I oil spill. In 2012, federal leases in the Gulf of Mexico produced of oil, which made up 19.5% of all U.S. oil production that year, and more than that of any U.S. state other than Texas. The 2012 production was less than the in 2009; however, due to new