Oil spill caused by 'a confluence of unfortunate events'
Sunday, May 23, 2010 - 14:00
in Earth & Climate
Although the exact cause of the Deepwater Horizon explosion isn't certain, at least a dozen offshore drilling experts agree that cement, or pipes encased by cement, had to have failed first. Flaws in a cement encasement intended to seal BP's well were most likely the root of last month's deadly explosion on the Deepwater Horizon drilling rig, according to interviews, government officials, congressional...