Offshore Operating Division Montara Macondo Investigations Status

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Investigative Body Reports and Other Documents
U.S. Chemical Safety Board Investigation of Deepwater Horizon Overview (5 June 2014)

Volume 1 (5 June 2014)

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

Volume 2 (5 June 2014)

  • BOP Technical Failure Analysis
  • Barrier Management at Macondo
  • Safety Critical Elements

Animated representation of Macondo Blowout (5 June 2014)

United States District Court for the Eastern District of Louisiana Partial Consent Decree between the USA and Transocean (19 February 2013)
Amendment to the Partial Consent Decree between the USA and Transocean (19 February 2013)
Deepwater Horizon Joint (BOEMRE-USCG) Investigation of Deepwater Horizon Vol.1 (U.S. Coast Guard-Joint Investigation Team) draft report to Commandant
22 April 2011
IADC letter of 31 May 2011 to the Commandant, USCG, regarding the Vol. 1 draft report to Commandant
31 May 2011
BOEMRE Final Report regarding Macondo Well Blowout
14 September 2011
Deepwater Horizon Joint Investigation Team Releases Final Report
14 September 2011
Volume I – USCG Final Action Memo on Vol I
14 September 2011
Volume I – Enclosure to Final Action Memo
14 September 2011
Deepwater Horizon Report Appendices
September 2011
Montara Commission of Inquiry Report of the Montara Commission of Inquiry
17 June 2010
Final Government Response to the Report of The Montara Commission Of Inquiry
25 May 2011
BP Deepwater Horizon Accident Investigation Report
8 September 2010
Transocean Macondo Well Incident: Transocean Investigation Report, Vol. I
June 2011
Macondo Well Incident: Transocean Investigation Report, Vol. II
June 2011
The National Commission on the Deepwater Horizon Oil Spill and Offshore Drilling The Staff working papers were written by the staff of the National Commission on the BP Deepwater Horizon Oil Spill and Offshore Drilling for the use of members of the Commission. They do not necessarily reflect the views of the Commission or any of its members.
A Brief History of Offshore Oil Drilling
23 August 2010
Decision-Making Within the Unified Command
11 January 2011
The Amount and Fate of the Oil
11 January 2011
The Use of Surface and Subsea Dispersants During the BP Deepwater Horizon Oil Spill
11 January 2011
The Challenges of Oil Spill Response in the Arctic
11 January 2011
Stopping the Spill: The Five-Month Effort to Kill the Macondo Well
11 January 2011
Response/Clean-Up Technology Research & Development and the BP Deepwater Horizon Oil Spill
11 January 2011
The Story of the Louisiana Berms Project
11 January 2011
Industry’s Role in Supporting Health, Safety, and Environmental Standards: Options and Models for the Offshore Oil and Gas Sector
12 January 2011
Liability and Compensation Requirements under the Oil Pollution Act
11 January 2011
Scientific Research to Support Oil and Gas Decision Making: Evolution of the Department of the Interior’s Environmental Studies Program
24 February 2011
The National Environmental Policy Act and Outer Continental Shelf Oil and Gas Activities
8 February 2011
Offshore Drilling in the Arctic: Background and Issues for the Future Consideration of Oil and Gas Activities
7 February 2011
Unlawful Discharges of Oil: Legal Authorities for Civil and Criminal Enforcement and Damage Recovery
24 February 2011
Long-Term Regional Restoration in the Gulf: Funding Sources and Governance Structures
24 February 2011
Rebuilding an Appetite for Gulf Seafood after Deepwater Horizon
7 February 2011
Natural Resource Damage Assessment: Evolution, Current Practice, and Preliminary Findings Related to the Deepwater Horizon Oil Spill
7 February 2011
Continuous Improvement Is Essential: Leveraging Global Data and Consistent Standards for Safe Offshore Operations
11 January 2011
A Competent and Nimble Regulator: A New Approach to Risk Assessment and Management
8 February 2011
Federal Environmental Review of Oil and Gas Activities in the Gulf of Mexico: Environmental Consultations, Permits, and Authorizations
12 January 2011
The History of Offshore Oil and Gas in the United States (long version)
11 January 2011
Chief Counsel’s Report
17 February 2011
Final report of the National Commission on the Deepwater Horizon Oil Spill and Offshore Drilling
11 January 20
Oil Spill Commission Action The oil Spill Commission Action (OCSA) project is an outgrowth of the National Commission (above) supported of many of the original Commissioners.
OSCA Assessment Report on the status of implementation of the Commission’s recommendations (17 April 2012)
(low resolution version)
17 August 2011
Harvard Law School 
Emmet Environmental Law and Policy Clinic
Recommendations for Improved Oversight of Offshore Drilling Based on a Review of 40 Regulatory Regimes (June 2012)
Appendix – Regulatory Programs and Organizations Analyzed January-April 2012
University of California, Berkeley — Center for Catastrophic Risk Management “Deepwater Horizon Study Group Final Report on the Investigation of the Macondo Well Blowout”
1 March 2011
U.S. Chemical Safety Board Investigation of Deepwater Horizon Investigation currently underway
National Academy of Engineering– Analysis of Causes of Deepwater Horizon Explosion, Fire, and Oil Spill to Identify Measures to Prevent Similar Accidents in the Future Interim Report on Causes of the Deepwater Horizon Oil Rig Blowout and Ways to Prevent Such Events
16 November 2010
Macondo Well-Deepwater Horizon Blowout:  Lessons for Offshore Drilling Safety (Prepublication version)
14 December 2011
Transportation Research Board Transportation Research Board Special Report 309:
Evaluating the Effectiveness of Offshore Safety and Environmental Management Systems
June 2012
Petroleum Safety Authority Norway – Macondo Incident Preliminary conclusions by the Petroleum Safety Authority Norway (PSA) and action recommended after the Deepwater Horizon accident (English summary)
9 June 2011
SINTEF Executive Summary of report commissioned by the Petroleum Safety Authority
May 2011
The Petroleum Safety Authority Norway’s concluding report on its follow-up of the Deepwater Horizon accident
February 2014
Norwegian Oil Industry Association (OLF)
Deepwater Horizon – lessons learned and follow up
OLF’s Deepwater Horizon Report – In English (84 pages)
OLF’s summary Report – In English (20 Pages)
June 2012
UK Health and Safety Executive – Deepwater Horizon incident in the Gulf of Mexico The Health and Safety Executive’s Offshore Division is monitoring the situation in the Gulf of Mexico following the fatal explosion on the Deepwater Horizon drilling rig in April 2010 and has created a website (link at left) to report on its findings, observations and actions.
 UK Ministerial commissioned Independent Review for the Deepwater Horizon/Macondo incident Offshore Oil and Gas in the UK – an independent review of the regulatory regime December 2011Government Response to an Independent Review of the Regulatory Regime, Department of Energy & Climate Change, December 2012
International Organization for Standardization – Subcommittee on Materials, equipment and offshore structures for petroleum, petrochemical and natural gas industries Proposed ISO/TC 67 programme for drilling, well construction and well operations standards, resulting from the Montara and Macondo accidents
(N 1119)
1 March 2011
International Maritime Organization (IMO) Casualty Statistics and Investigation, Report of the Correspondence Group on Casualty Analysis (FSI 21/5) addressing, inter alia, the explosion, fire and loss of the Mobile Offshore Drilling Unit Deepwater Horizon
International Association of Oil and Gas Producers (OGP) International recommendations on well incident prevention, intervention and response
Global Industry Response Group recommendations (Summary)
May 2011
Oil Spill Response
May 2011
Capping & Containment
May 2011
Deepwater Wells
May 2011