National News

Crews prepare to raise blowout preventer

Friday, September 03, 2010

A vessel has latched onto a key piece of evidence in the oil spill investigation so crews can raise the 300-ton device to the surface of the Gulf.

According to BP, the Helix Q4000 latched onto the blowout preventer a mile beneath the sea.

Crews will replace the failed blowout preventer first to deal with any pressure that is caused when the relief well the oil giant has been drilling intersects the blown-out well.

BP is expected to use mud and cement to plug the blown-out well for good from the bottom once the intersections occur.

A temporary cap that was placed in mid-July, that stopped oil from gushing into the Gulf, was removed Thursday.

The rig explosion on April 20 killed 11 workers. Approximately 206 million gallons of oil spewed from BP's well.

Latest developments:

The Associated Press contributed to this story.

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