BP (BP +2.9%) says it has begun the crucial integrity test on its leaking Gulf well. The test...

|About: BP p.l.c. (BP)|By:, SA News Editor

BP (BP +2.9%) says it has begun the crucial integrity test on its leaking Gulf well. The test will take at least six hours and could last up to 48 hours. BP expects that no oil will be released to the ocean during the test, but "this will not be an indication that oil and gas flow from the wellbore has been permanently stopped."