BP and the Three Stooges Defense---By Greg Palast
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Every rig operator knows that, before a rig can unhook from a drill pipe, the operator has to run a negative pressure test to make sure the cement has properly sealed the drill pipe. If the pipe is safely plugged, the pressure gauge will read zero. The amount of pressure BP measured at 5 p.m. on April 20, 2010, the day of the explosion? 1400 psi (see the findings, pages 62-65).
1400 psi is not zero. Stick a balloon in your mouth with zero pressure and nothing happens except that you look silly. Replace the balloon with a hose delivering a 1400 psi blast and itll blow your skull apart.
So, how could the company record zero? Answer: BPs crew re-ran the test measuring the pressure in something called the kill line, which is definitely not the drill pipe.
By reporting that the pipe had no pressure and all was safe, BP could begin to unhook the Deepwater Horizon from the pipeand sail away. Why would BP do that? In my view, there were three motives: money, money and money. It costs BP a good half million dollars each extra day the rig stays on top of the drill hole. It seems that BP wanted the rig gone and quickly.
So, instead of halting the disconnection process, BP appears to have lied and recorded the pressure reading as zero. The rigs owner, Transocean of Switzerland, went along with BPs actions.
way more:
http://www.truthdig.com/report/item/bp_and_the_three_stooges_defense_20140911