BP’s renewed efforts at plugging the flow of oil from its runaway well in the Gulf of Mexico stalled again on Friday, as the company suspended pumping operations for the second time in two days, according to a technician involved with the response effort.
In an operation known as a “junk shot,” BP engineers poured pieces of rubber, golf balls and other materials into the crippled blowout preventer, trying to clog the device that sits atop the wellhead. The maneuver was designed to work in conjunction with the continuing “top kill” operation, in which heavy drilling liquids are pumped into the well to counteract the pressure of the gushing oil.
If the efforts succeeded, officials intended to pump cement into the well to seal it. But the company suspended pumping operations at 2:30 a.m. Friday after two junk shot attempts, said the technician, who spoke on the condition of anonymity because he was not authorized to speak publicly about the efforts. . . .
On ABC’s “Good Morning America” on Friday, Admiral Allen said the top kill effort was continuing, and that BP engineers had been able “to push the hydrocarbons and the oil down with the mud.”
But the technician working on the effort said later Friday that despite the injections at various pressure levels, engineers had been able to keep less than 10 percent of the injection fluids inside the stack of pipes above the well. He said that was barely an improvement on Wednesday’s results when the operation began and was suspended after 11 hours. BP resumed the pumping effort Thursday evening for about 10 more hours.
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