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Little of the oil remains on the water, but that doesn't mean it has all vanished. Scientists are worried that much of it has been trapped below the surface after more than 770,000 gallons of chemical dispersant were used to break up the oil a mile deep. They have found evidence of massive clouds of oil suspended in the water. The Coast Guard expects oil to keep showing up on Gulf Coast beaches four to six weeks after the well is killed. Allen said there is now little chance that any of the spilled oil will reach the East Coast, and the odds will go to zero as the well is killed. A procedure intended to ease the job of plugging the blown-out well for good could start as early as the weekend, Allen said. The so-called static kill can begin when crews finish work drilling the relief well 50 miles offshore that is needed for a permanent fix. Allen said crews would drop in casing for the relief well later Thursday, and that could speed up work on the static kill, though he did not say by how much. He previously said it would begin late Sunday or early Monday. The static kill, which involves pumping heavy mud into the busted well from the top, is on track for completion some time next week. Then comes the bottom kill, where the relief well will be used to pump in mud and cement from the bottom; that process will take days or weeks, depending on the effectiveness of the static kill.
[Associated
Press;
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