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On page 8 of this file, a suspected "major loss event" is marked at the 18200 feet level, while the well bottom is at the 18360 feet (about 50 meters below). If we can get that far, a good try wood be to reach the bottom and spread a sieve (or plug) under there.

My thread at The Oil Drum is here.

by das monde on Fri Jun 18th, 2010 at 04:47:58 AM EST
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The BOP, when open, has the same internal diameter as the largest casing. Normally, everything passes through the BOP. It's pretty big, I would guess, repeat, guess, that it's on the order of about 75 cm in diameter.

Right now, though, since they already have activated (or tried to activate, or partially activated) the various annular and shear rams, it's tough to say what is going on inside. Probably there are several very irregularly shaped restrictions through which the oil is flowing. They could take off the BOP, at which point the drill string would probably blow out (several km of steel rod flying through the air), and the flow would increase because of the reduced restriction...

by asdf on Fri Jun 18th, 2010 at 09:59:43 AM EST
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by asdf on Fri Jun 18th, 2010 at 10:02:25 AM EST
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On page 8 of this file,...

"This file" is for Macondo, which they abandoned, I believe. That event should have been a wake-up call. I do not know if the two wells are in the same formation.

"It is not necessary to have hope in order to persevere."
by ARGeezer (ARGeezer a in a circle eurotrib daught com) on Fri Jun 18th, 2010 at 04:04:55 PM EST
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I do not know if the two wells are in the same formation.
 

Yes, they are.  

And, yes, it should have been (a wake-up call, that is).  

But the failure of the first well put them behind schedule, which is why they rushed the second well and cut so many corners drilling it.  MBA management is idiot management.  They are like our incompetent winter drivers who drive faster on snow and ice--and leave less margin for errors--because, !of course! the bad weather has made them late.  

The Fates are kind.

by Gaianne on Sat Jun 19th, 2010 at 03:52:23 PM EST
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