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Unformatted text preview: e time have had to drill out the cement plugs, re‐drill the production hole, and re‐log the well data. 87 For these reasons, this was BP’s least preferred option. If BP had temporarily abandoned the Macondo well without running the production casing, as it had done with prior wells with narrow drilling margins, BP would likely have had an opportunity to consider other options for setting the casing, such as sidetracking the well and setting the casing in a location with a lower potential for lost returns. In addition, as discussed below, if BP had temporarily abandoned the Macondo well without setting a production casing, it would not have taken steps to set a lock down sleeve and could have set the surface plug higher in the well. BP‐HZN‐MBI00143295. Id. 86 87 39 III. Cementing The main purpose of cement within a well is to achieve zonal isolation. Cement reinforces the casing and prevents the flow of hydrocarbons through the annular space. This section discusses the cementing of the final production casing in the...
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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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