The latest cap that BP put on the gushing well is, at least temporarily, holding back the oil while scientists test the well bore. If the tests go as hoped, no more oil will leak into the gulf.
SOURCE: BP | Bonnie Berkowitz and Alberto Cuadra/The Washington Post - July 16, 2010
'Integrity test' halts spew of oil, for now Article | The gusher is gone. The plume is off the well. BP's Macondo well isn't dead yet, and it may be back in a flash, but at 3:25 p.m. Eastern time Thursday it ceased to spew oil into the Gulf of Mexico.