May 13, 2010
This Tuesday, May 11, 2010 image provided by the Deepwater Horizon Unified Command shows a small pollution containment chamber, known as the "top hat", being lowered into the Gulf of Mexico in Port Fourchon, La. BP announced Wednesday, May 12, 2010 that the "top hat" was on the sea floor near the wild well that has spewed at least 4 million gallons of oil into the Gulf of Mexico. (AP Photo/Deepwater Horizon Unified Command, Petty Officer 3rd Class Patrick Kelley)
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BP officials said Thursday they would thread a small tube into a jagged pipe on the seafloor to suck oil to the surface before it can spew into the Gulf and add to a disaster apparently set in motion by a long list of equipment failures.