BP Biobutanol LLC in 2009. In 2009, BP obtained a production contract during the 2009/2010 Iraqi oil services contracts tender to develop the Rumaila field with joint venture partner CNPC, which contain an estimated of oil, accounting for 12% of Iraq's oil reserves estimated at . In June 2010, the BP/CNPC consortium took over development of the field, which was the epicentre of the 1990 Gulf war. On 1 October 2010, Bob Dudley replaced Tony Hayward as the company's CEO after the Deepwater Horizon oil spill. After the oil spill BP announced a divestment program to sell about $38 billion worth
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