BOEMRE

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Unformatted text preview: ations, was ultimately responsible for conducting operations at Macondo in a way that ensured the safety and protection of personnel, equipment, natural resources, and the environment. Transocean, the owner of the Deepwater Horizon, was responsible for conducting safe operations and for protecting personnel onboard. Halliburton, as a contractor to BP, was responsible for conducting the cement job, and, through its subsidiary (Sperry Sun), had certain responsibilities for monitoring the well. Cameron was responsible for the design of the Deepwater Horizon blowout preventer (“BOP”) stack. At the time of the blowout, the rig crew was engaged in “temporary abandonment” activities to secure the well after drilling was completed and before the Deepwater Horizon left the site. In the days leading up to April 20, BP made a series of decisions that complicated cementing operations, added incremental risk, and may have contributed to the ultimate failure of the cement job. These decisions included: The use of only one cement barrier. BP did not set any additional cement or mechanical barriers in...
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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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