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Thursday, July 15, 2010
oil leak stopped
No oil flowing as BP begins critical pressure tests in Gulf oil well
"New Orleans, Louisiana (CNN) -- A highly anticipated test designed to measure pressure within BP's ruptured Gulf of Mexico oil well began Thursday after a delay caused by leaking equipment.
A short time later, BP Senior Vice President Kent Wells announced that for the first time in months, no oil was flowing into the Gulf. This was part of the test, as BP measures pressure in the well to see how it's holding. Higher pressure readings mean the well is containing the oil, while lower pressure means some is leaking out.
The data is being particularly closely scrutinized at six-hour intervals, so a key time will occur later Thursday night, after the first six hours.
The "well integrity" test could end after six hours, if the results are disappointing. But it could go on for 48 hours. The longer it goes, the better indications are that the well is holding with a custom-made sealing cap.
The cap, lowered in place earlier this week, has never been deployed at such depths or under such conditions and therefeore, there were no guarantees on how well it would contain the oil, BP said."