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Unformatted text preview: leaders on the rig. The overall complacency 110 of the Deepwater Horizon crew was a possible contributing cause of the kick detection failure. BP drilling engineer, Mark Hafle, allowed the temporary abandonment operations on the Deepwater Horizon to proceed even though he told Donald Vidrine, the Deepwater Horizon well site leader, that “you can’t have pressure on the drill pipe and zero pressure on the kill line in a [negative] test that is properly lined up.” Furthermore, Hafle did nothing to investigate or resolve the pressure differential issue even though he remained in BP’s office until 10:00 p.m. the evening of April 20 and had access to real‐time well data (which he logged out of at 5:27:35 p.m.). Hafle’s failure to investigate or resolve the negative test anomalies noted by Vidrine was a possible contributing cause of the kick detection failure. Patrick O’Bryan, vice president of drilling and completions, and David Sims, drilling and completions operations manager, were both on...
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This note was uploaded on 01/18/2014 for the course BEPP 305 taught by Professor Nini during the Fall '11 term at UPenn.

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