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Unformatted text preview: ned whether the shipment with the additional centralizer components arrived on the Deepwater Horizon. 113 Guide explained in an email and in his testimony before the JIT the rationale for BP‘s decision to use only 6 centralizers rather than the 21 centralizers that been planned. According to Guide, BP believed based on its previous experience that the 15 centralizers delivered to the rig, which had separate stop collars that needed to be slipped onto the centralizers, might come apart and clog the wellbore. 114 Finally, Guide noted that it would have taken an Testimony of Daniel Oldfather, Joint Investigation Hearing, October 7, 2010, at 7. Id. 108 Id. at 8‐9. 109 Id. 110 Id. at 9‐12. 111 BP‐HZN‐MBI000255668. 112 Oldfather testimony at 11‐12. 113 Id. at 12‐13. 114 Guide testimony, July 22, 2010 at 67‐68. 106 107 48 additional 10 hours to install 21 rather than 6 centralizers, and he stated that the earlier decision to use 21 centralizers was made by Gregg Walz, BP drilling engineer team leader, and others in his absence. 115 The Panel found no evid...
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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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