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The effort to plug the flow of oil from the leaking well in the Gulf of Mexico has achieved a crucial milestone. BP engineers and US coastguard officials say the flow of oil into the ocean has stopped, although the well has not yet been successfully capped.
BP engineers yesterday began the so-called Top Kill operation to pump thousands of tonnes of mud into the well in an effort to fill the bore hole and block the passage of oil to the sea. Once the pressure in the bore had dropped to zero, they planned to cap the hole with concr
This afternoon, BP announced that the operation had succeeded in stopping the flow of oil but that there was a still small amount of pressure in the well which prevents them from capping it, according to the LA Times.
A live video feed of the leak from the bottom of the ocean now appears to show a plume of mud coming from the well.
BP engineers and US coastguard officials say the flow of oil into the ocean has stopped, although the well has not yet been successfully capped.
Once the pressure in the bore had dropped to zero, they planned to cap the hole with concrete.
Originally posted by plumranch
Obama said plug the hole. So apparently government is very powerful in this case as it only took one day for the leak to be stopped!
source< br />
Q: What is drilling mud, anyway?
A: Fluid pumped into a drill hole to cool and clean the drill, stabilize the hole and also help bottle up oil and natural gas escaping from a geologic formation. Typically, offshore rigs use a "mud" made by combining a synthetic petroleum with clays to create a high-viscosity fluid about twice as dense as water that is sometimes compared to chocolate milk in looks. The "mud" is carefully engineered to be heavier than than the crude oil in the well, but not so dense that it gums up drilling operations.
Originally posted by IgnoranceIsntBlisss
In order to push back the oil, with an 'open' 'top', they have to use far more pressure than the well is pushing up at it. Perhaps the mud is toxic, but would you prefer the oil to still be gushing?