456during2010transoceanhadanarrayofacronymbased

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Unformatted text preview: nular preventers. Even though BP was able to operate many of the BOP components, none of the attempts was successful in shutting in the well. Guide testimony, July 22, 2010 at 229. However, one of the BP well site leaders on the rig, Ronald Sepulvado, testified that he believed the leak should have been recorded in the IADC Report. Sepulvado testimony at 26‐27. 390 DNV Report, Volume 1 at 135. 391 Id. To “hot stab” is to insert a hydraulic pump, by means of an ROV’s robotic arm, into a hydraulic port on the BOP stack to pump hydraulic fluid into the BOP ram closing system. 392 BP‐HZN‐MBI‐00136647; BP, Deepwater Horizon Accident Investigation Report at 172. 393 Testimony of Harry Thierens, Joint Investigation Hearing, August 25, 2010 at 103‐105. 389 153 From the outset of ROV interventions, Transocean could not produce the redline (as built) drawings to know how the BOP components worked and were configured. Throughout the intervention, drawings had to be updated in accordance with what was observed from ROV footage....
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