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Thursday, 26 August 2010 14:23 |
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Undocumented changes to the blowout preventer that should have shut down BP PLC's runaway Gulf well slowed efforts to stop the flow of oil, a BP official testified Wednesday.
After spending days trying to use underwater robots to trigger the blowout preventer, a huge stack of valves on the seafloor designed to seal the well in an emergency, workers discovered that it had been modified, Harry Thierens, a BP vice president overseeing the effort, testified at hearings in Houston.
Source: Wall Street Journal
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