Outer Continental Shelf National Center of Expertise (OCSNCOE)



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Excerpt from the Executive Summary: The Joint Investigation Team (JIT) comprised of members from the U.S. Coast Guard and Bureau of Ocean Energy Management, Regulation and Enforcement (BOEMRE) examined five aspects of this disaster relating to areas of responsibility of the U.S. Coast Guard: the explosions, the fire, the evacuation, the flooding and sinking of the MODU, and the safety systems of DEEPWATER HORIZON and its owner-operator, Transocean. Although the events leading to the sinking of DEEPWATER HORIZON were set into motion by the failure to prevent a well blowout, the investigation revealed numerous systems deficiencies, and acts and omissions by Transocean and its DEEPWATER HORIZON crew that had an adverse impact on the ability to prevent or limit the magnitude of the disaster... Click here.

Excerpt from the Executive Summary: This Report sets forth in detail the Panel’s investigative findings, conclusions, and recommendations. The Panel’s findings and conclusions are presented in the following subject areas: well design; cementing; possible flow paths; temporary abandonment of the Macondo well; kick detection and rig response; ignition source and explosion; the failure of the Deepwater Horizon blowout preventer; regulatory findings and conclusions; and company practices... Click here.

Key Issues in Volume 1:

  • Macondo Incident Background and General Description
  • Deepwater Drilling and Temporary Abandonment of the Macondo Well

Key Issues in Volume 2:

  • Blowout Preventer (BOP) Technical Failure Analysis
  • Barrier Management at Macondo
  • Safety Critical Elements