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What is a 'top kill'? A graphic presentation by BBC News

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tencats Donating Member (226 posts) Send PM | Profile | Ignore Wed May-26-10 06:13 PM
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What is a 'top kill'? A graphic presentation by BBC News
BP is using a "top kill" procedure to stop the Gulf of Mexico oil spill. But what exactly is "top kill"?

One way to think about "top kill" is to imagine something sitting on a spring.

Put a heavy enough weight down on the spring and it will be squashed down. But put something on that's too light and the object will be thrown off.

In this case, the "spring" is oil and gas coming out of the reservoir, beneath the sea, at the site of the well drilled by the Deepwater Horizon and at pressures exceeding 5,000lb (2,268kg) per square inch.

http://news.bbc.co.uk/2/hi/world/us_and_canada/10159626...
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Ruby the Liberal Donating Member (1000+ posts) Send PM | Profile | Ignore Wed May-26-10 06:20 PM
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1. They did a good job with that. Thanks for the link!
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beam me up scottie Donating Member (1000+ posts) Send PM | Profile | Ignore Wed May-26-10 06:27 PM
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2. The BBC is my number one source for info on both natural and man-made disasters.
Their research and graphic presentations are top rate.

Thanks for posting the link. :hi:

Rec'd
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eppur_se_muova Donating Member (1000+ posts) Send PM | Profile | Ignore Wed May-26-10 06:57 PM
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3. Leave it to the Beeb. nt
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