BP state. The "Deepwater Horizon" oil spill was a major industrial accident on the Gulf of Mexico, which killed 11 people and injured 16 others, leaked about of oil with plus or minus 10% uncertainty, which makes it the largest accidental marine oil spill in the history of the petroleum industry, and cost to the company more than $65 billion of cleanup costs, charges and penalties. On 20 April 2010, the semi-submersible exploratory offshore drilling rig "Deepwater Horizon" located in the Macondo Prospect in the Gulf of Mexico exploded after a blowout. After burning for two days, the rig sank. The
Reactions to the Deepwater Horizon oil spill of one of the country's leading companies", to President Obama (text of letter) that expressed a concern over "double standards" compared to the sub-prime based banking crisis of 2007–2010 and over "prejudicial and personal" comments in the media. Initially BP downplayed the incident; CEO Tony Hayward called the amount of oil and dispersant "relatively tiny" in comparison with the "very big ocean." Hayward also initially stated that the environmental effect of the Gulf spill would likely be "very very modest." Later, he said that the spill was a disruption to Gulf Coast residents and himself adding, "You know, I'd like