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According to evidence accumulated by the US House Committee investigating this disaster, BP kept overrulling the recommendations of contractor's engineers regarding the installation of "centering discs" to keep the pipe centered in the casing, so there are very few of them. I am not sure if you are discussing putting a sieve down the pipe or the casing. But the reason they abandoned "top kill" seems likely to be that they became concerned that the pipe would or has failed and that the casing could go next, releasing oil and gas into higher surrounding formations and, eventually, the water above. To mitigate that danger they increased the flow from the BOP stack by cutting off the pipe, which had fallen and was crimped in several places. But it seems possible no one is eager to discuss what is actually happening. Reasons could range from liability for BP and other industry partners to not wanting to appear "anti-oil company" to not wanting to stoke public anger or panic.

"It is not necessary to have hope in order to persevere."
by ARGeezer (ARGeezer a in a circle eurotrib daught com) on Thu Jun 17th, 2010 at 01:37:23 PM EST
[ Parent ]
BP kept overrulling the recommendations of contractor's engineers regarding the installation of "centering discs" to keep the pipe centered in the casing, so there are very few of them

And now at least one of the rings is likely ruptured and leaking?

BP is toast.

By laying out pros and cons we risk inducing people to join the debate, and losing control of a process that only we fully understand. - Alan Greenspan

by Migeru (migeru at eurotrib dot com) on Thu Jun 17th, 2010 at 04:02:29 PM EST
[ Parent ]
Why is BP toast? They followed the regulations--or so they will argue in the next decade's worth of lawsuits--and suffered an unfortunate accident. If the U.S. goes after BP, all it will do is raise the cost of self-insurance, driving some of the smaller players out.

It looks to me like BP is playing it cool, certainly with an excellent understanding at corporate headquarters of the possible scope of the disaster. If they're pressed too hard, they'll tell the hypocritical Senators and Representatives to flake off...

by asdf on Fri Jun 18th, 2010 at 12:51:49 AM EST
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Because BP kept overrulling the recommendations of contractor's engineers is prima-facie reckless negligence?

Of course, all this needs to be proved in court, as you say...

By laying out pros and cons we risk inducing people to join the debate, and losing control of a process that only we fully understand. - Alan Greenspan

by Migeru (migeru at eurotrib dot com) on Fri Jun 18th, 2010 at 01:19:51 AM EST
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