Offshore oil and gas in the Gulf of Mexico (United States) and part of offshore Alabama, since 1995. In March 2010, President Barack Obama announced plans to allow drilling in the eastern Gulf of Mexico, in federal waters greater than from the coasts of Alabama and Florida. In December 2010, following the "Deepwater Horizon" oil spill, the Obama administration reversed its plans to open the eastern Gulf, and imposed a moratorium on new drilling in the eastern Gulf of Mexico for at least seven years. The "Deepwater Horizon" oil spill (also referred to as the BP oil spill, the BP oil disaster, the Gulf of Mexico oil spill, and the Macondo
Volume and extent of the Deepwater Horizon oil spill of the spill. "With billions of dollars at stake, it is no surprise that they are now litigating the very numbers which they sought to impede." A BP spokesperson said that BP "fully intends to present its own estimate as soon as the information is available to get the science right." The oil's spread was initially increased by strong southerly winds caused by an impending cold front. By 25 April 2010, the spill covered and was only from the ecologically sensitive Chandeleur Islands. An 30 April 2010 estimate placed the total spread of the oil at . The spill quickly