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Unformatted text preview: ake sure the crew is engaged.” Johnson agreed and told Guide they would have a safety stand‐down with both crews to discuss planning. 198 The Panel found no evidence that indicated a safety stand‐down actually occurred outside of the crew’s daily safety meeting, which generally lasted only a few minutes. BP‐HZN‐MBI00249509. BP‐HZN‐MBI00249524. 197 198 84 VII. Temporary Abandonment of the Macondo Well At the end of drilling operations, the rig crew needs to secure the well prior to leaving the site. “Temporary abandonment” refers to the process by which the rig crew installs cement plugs in the well and pulls the riser and blowout preventer to the surface to move to another location. Pressure testing (called positive and negative tests) is a key component of temporary abandonment procedures because it seeks to ensure well integrity and that hydrocarbons are not leaking into the well. A. Installing the Lock‐Down Sleeve BP’s planned temporary abandonment procedures for the Macondo well were not completed until April 12, and subsequently changed a number of times before Ap...
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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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