BP and its cement contractor, Halliburton, knew weeks before the Deepwater Horizon explosion that the cement mixture they planned to use to seal the new well was unstable but still completed the work, staff for the presidential commission investigating the accident said in a letter Thursday.
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| — | MSNBC “Inquiry: BP, Halliburton Knew Well Cement Was ‘Unstable’” | CommonDreams.org 10/28/10 |
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