Deepwater Horizon Halliburton. BP issued a statement strongly disagreeing with the finding, and saying the court's decision would be appealed. On 8 December 2014, The US Supreme Court rejected BP's legal challenge to a compensation deal over the 2010 Gulf of Mexico oil spill. The settlement agreement had no cap, but BP initially estimated that it would pay roughly $7.8bn (£6.1bn) to compensate victims. Deepwater Horizon Deepwater Horizon was an ultra-deepwater, dynamically positioned, semi-submersible offshore drilling rig owned by Transocean. Built in 2001 in South Korea by Hyundai Heavy Industries, the rig was commissioned by R&B Falcon (a later asset of Transocean),
Deepwater Horizon oil spill a 193-page report on its web site. The report places some of the blame for the accident on BP but also on Halliburton and Transocean. The report found that on 20 April 2010, managers misread pressure data and gave their approval for rig workers to replace drilling fluid in the well with seawater, which was not heavy enough to prevent gas that had been leaking into the well from firing up the pipe to the rig, causing the explosion. The conclusion was that BP was partly to blame, as was Transocean, which owned the rig. Responding to the report, Transocean