In the Taishan ruling, he cited reports from experts including Sandia National Laboratory showing that sulfur fumes escaping the tainted wallboard can cause pitting in wires and copper pipe as well as heating and air conditioning systems.
But it could escape through imperfect joints in well pipe closer to the surface.
Mr Pack said that officials found an explosive device inside the pipe, as well as another device inside the bunker.
Since then, at least 5, 000 barrels of oil per day have erupted from the broken well pipe which is 5, 000 feet under water, 40 miles off the coast of Louisiana.
In a blowout, the BOP has the ability to guillotine-slice through the pipe and seal the well.
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The superintendent of the Pecos Valley Artesian Conservancy District, Dennis Karnes, can still remember sitting on a well-pipe as a boy and being launched into the duckpond as soon as the farmer opened the valve and natural pressure spewed several thousand gallons a minute of ground water against his legs.
It isolates and segregates different subsurface zones and rock units, it controls corrosion, and it stabilizes the well, the pipe and the rock formation itself.
That was as deep as one could look into the earth with the available geological tools--and also about as far into the ground as anyone knew how to drill a well and push pipe into the hole.
New techniques have been developed to "sidetrack" a well when the pipe gets stuck or to control the pressures and temperatures found five miles down into the earth's crust with blow-out preventers and special purpose high-tech drilling rigs.
Criticism of the disaster has sprung in part from decisions made over the design of the BP well, which used a single pipe, known as a "long string", that ran from the sea floor to the bottom of the well.
As a prelude to permanently shutting down the well, crews are trying to withdraw drill pipe hanging below the bottom of the blowout preventer and remove it from the well, so they can then remove the capping stack that's kept oil from leaking since July 15 and replace the old blowout preventer with a new one.
The external hull will be blasted and painted, hatch covers will be renewed as well as work on the main engine and pipe work.
McMoran has since drilled a second well into Davy Jones (using a fatter pipe), proving that the reservoir structure stretches over 20, 000 acres, and is now drilling a second Blackbeard well, currently at a depth of 25, 200 feet.
To be sure, with intermediate-term munis earning 4% and Cisco (nasdaq: CSCO - news - people ) not doing so well, the 7% return may be a pipe dream.
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Over the weekend BP successfully mounted a pipe to siphon some of the oil and gas from the leaking wild well.
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The seawater down there is so cold that when natural gas bubbles out of the well into the water it forms methane hydrates, which clog the uptake pipe.
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At 8:20 p.m. on the day of the explosion the pressure data suggest there was a constant flow of sea water being pumped into the drill pipe that was displacing the heavier mud system which was the primary pressure control for the well.
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