ABC News: Oil Flow Stopped in Gulf of Mexico

July 15, 2010 Updated Jul 15, 2010 at 4:33 PM EDT

By WKBW Internet

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ABC News: Oil Flow Stopped in Gulf of Mexico

July 15, 2010 Updated Jul 15, 2010 at 4:33 PM EDT

BUFFALO, NY (WKBW/ABC) - For the first time in 87 days, oil has stopped flowing into the Gulf of Mexico from BP's broken well.

In a test, BP's new containment cap successfully contained the leak starting at 3:25 p.m. ET today, BP press officials confirmed at an afternoon press conference. Live video of the leak showed no oil at the site where plumes of oil had been been seen billowing into the Gulf since the disaster began in April.

BP is conducting step-by-stop tests of the massive, 150,000 pound cap on the wellhead, a process that had been beset by delays since they first lowered the device to the leak site Monday night.

Engineers slowly ratcheted down the flow of oil this morning and afternoon, first cutting off the so-called kill line at 11:30 a.m. and then closing the choke line at 1:30 p.m., BP executive Kent Wells wrote on the company Twitter account.

Wells called it a "critical milestone," while stressing that it is not an assured success. Oil could flow again, based on the results of well-integrity tests, looking for leaks, that will last anywhere from six to 48 hours.

Testing of the cap had been beset by delays since BP first lowered the device to the leak site Monday night.

First, government officials requested a delay for analysis, out of fears that the cap could damage the leaking well further and do more harm than good. After that 24-hour delay, the test began again but was delayed when they found a leak in the line. The test resumed this morning, resulting in this afternoon's apparent success.

Read more at ABCNews.com here.