Commission on BP oil spill holds hearing (12 images)

Richard Vargo, Jr., Gulf of Mexico region manager - cementing at Halliburton, testifies during the National Commission on the BP Deepwater Horizon Oil Spill and Offshore Drilling hearing on preliminary findings regarding BP's Macondo well blowout in Washington on November 8, 2010. At left is John Gisclair, Insight Support Service Coordinator, Halliburton/Sperry Sun Drilling Service. UPI/Roger L. Wollenberg

Chief Counsel Fred Bartlit discusses drilling operations during the National Commission on the BP Deepwater Horizon Oil Spill and Offshore Drilling hearing on preliminary findings regarding BP's Macondo well blowout in Washington on November 8, 2010. UPI/Roger L. Wollenberg

Chief Counsel Fred Bartlit discusses drilling operations during the National Commission on the BP Deepwater Horizon Oil Spill and Offshore Drilling hearing on preliminary findings regarding BP's Macondo well blowout in Washington on November 8, 2010. UPI/Roger L. Wollenberg

Chief Counsel Fred Bartlit discusses drilling operations during the National Commission on the BP Deepwater Horizon Oil Spill and Offshore Drilling hearing on preliminary findings regarding BP's Macondo well blowout in Washington on November 8, 2010. UPI/Roger L. Wollenberg