ROVworld Subsea Information

BP admits 'crucial error' ahead of blowout
Date: Wednesday, May 26, 2010 @ 05:36:47 EDT
Topic: GENERAL NEWS


BP admits 'crucial error' ahead of blowoutBP told congressional investigators that pressure tests on a drill pipe hours before the deadly explosion that caused the Gulf of Mexico oil leak flagged up a "fundamental mistake," a memo released by congressmen Henry Waxman and Bart Stupak said.



Representatives Waxman and Stupak were briefed by BP about the progress of its internal investigation.

The fundamental error the BP official referred to concerned the results of a negative pressure test.

The BP investigator said that two hours before the explosion, as preparations were being made on the Transocean semi-submersible Deepwater Horizon to start negative pressure testing of the wellbore, the system gained 15 barrels of liquid rather than the five that were expected, indicating there may have been influx from the well.

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