Temporary cap that stopped oil gusher removed

John Supan, a marine biologist with the Louisiana Sea Grant of Louisiana State University, who specializes in oyster farming research, pulls a small raft as he wades into his oyster hatchery to pull samples in the aftermath of the Deepwater Horizon oil spill in Grand Isle, La., Monday, Aug. 9, 2010. (AP Photo/Gerald Herbert)

September 2, 2010 3:10:57 PM PDT
Engineers removed a temporary cap Thursday that stopped oil from gushing into the Gulf of Mexico from BP's blown-out well in mid-July. No more oil was expected to leak into the sea, but crews were standing by with collection vessels just in case.