Transocean's chief executive officer, Steven Newman, will testify Tuesday, May 11, before the U.S. Senate Committee on Energy and Natural Resources as to possible causes of the April 20 explosion. In written testimony he explains this accident has baffled investigators because BP had already finished drilling a well in the outer continental shelf off of the coast of Louisiana, reinforcing it with pipes encased in cement and sealing it. "The one thing we know with certainty is that on the evening of April 20, there was a sudden catastrophic failure of the cement, the casing, or both." Yet he maintains it is too early to settle on any definitive conclusions. "What caused that catastrophic, sudden and violent failure? Was the well properly designed? Was the well properly cemented? Were there problems with the well casing? Were all appropriate tests run on the cement and casings? These are some of the critical questions that need to be answered in the coming weeks and months."
Despite on-scene investigators' uncertainty as to cause, U.S. Senator Bill Nelson (D-Fla.), a longtime opponent of offshore drilling, blames lack of federal regulatory oversight. The Wall Street Journal quotes the Florida democrat saying, "If MMS (the Interior Department's Minerals Management Service) wasn't asleep at the wheel, it sure was letting Big Oil do most of the driving." Nelson has already introduced legislation to suspend all offshore drilling until the Deepwater Horizon investigation is complete. He also authored a bill to increase the cap on oil companies' liability for economic damages from $75 million to $10 billion.
President Obama expressed implicit support for Nelson's proposals, asking Congress to toughen caps on liability for damages. He is sending Department of Energy Secretary Chu to Houston with a team of administration officials "for an extensive dialogue with BP officials to continue to aggressively pursue potential solutions."
Meanwhile, U.S. Environmental Protection Agency Administrator Lisa P. Jackson is visiting Gulf states this week to assess impact of the ongoing oil leak and oversee use of dispersants on the spill. The chemicals in the dispersants should help prevent some oil from reaching the surface. Jackson joins hundreds of other federal, state, Naval, and Coast Guard officials at 14 staging areas set up along the coast to protect the shoreline. To date, approximately 10,000 personnel and more than 290 vessels make up the response team, which has deployed more than 1.1 million feet of boom — thick strands of water-repellant material that absorb or contain oil spills — at the staging areas.
BP is offering training to volunteers interested in helping with shoreline clean up. The program is in conjunction with the Texas Engineering Extension Service and is approved by OSHA and the U.S. Coast Guard. The oil company also reports it has not denied any of the 5,710 property damage claims filed so far and has disbursed $2.4 million in response.
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