Top Kill Stops Oil Leak, Reports Say
Jane Van Ryan
Posted May 27, 2010
At an early morning news conference, U.S. Coast Guard Adm. Thad Allen said today that engineers have stopped the flow of oil and gas into the Gulf of Mexico.
The "top kill" procedure, in which heavy drilling fluids are pumped at a high rate of speed into the blowout preventer (BOP) and down the wellbore, apparently is working.
As The Los Angeles Times reports, the pressure from the well is low but not at zero yet. When the pressure has been overcome completely by the fluid, engineers will pump cement into the well and entomb it. Engineers also are pumping debris into the BOP in an apparent "junk shot." The Times also notes that only after the cementing is completed, sealing the well, can the top kill be called a success.
Adm. Allen said he was encouraged by the top kill's progress. "We'll get this under control," he said.
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