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Deep Water Horizon Accident Investigation Lessons Learned

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Accident Investigation Findings of Macondo Well, Deep Water Horizon Accident in the Gulf of Mexico Apr 20, 2010.

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Deep Water Horizon Accident Investigation Lessons Learned

  1. 1. A Study of the BP Accident Investigation Report September 8 , 2010 J. M. Drake P.E. CSP, CQE, F.NSPE
  2. 2. 1/31/2015Deep Water Horizon Accident Investigation Report 2
  3. 3.  Investigation Lines of Inquiry  Key Events of the Accident Timeline  Macondo Well Details, Geology and Well Design  4 Critical Factors Leading up to the Accident  8 Key Findings of the Investigation  Estimates of the Total Spill Size  Recommendations to Prevent Recurrence 1/31/2015 Deep Water Horizon Accident Investigation Report 3
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  7. 7. 1/31/2015 8 Deep Water Horizon Accident Investigation I. II. III. IV.
  8. 8. 1/31/2015Deep Water Horizon Accident Investigation Report 9
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  10. 10. 1/31/2015Deep Water Horizon Accident Investigation Report 11  The annual cement barrier did not isolate the hydrocarbons
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  19. 19. 1/31/2015 20 Deep Water Horizon Accident Investigation • A Cement Bond Log was not run to evaluate the cement job
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  34. 34. 1/31/2015 35 Deep Water Horizon Accident Investigation  Test success/fail criteria not specified
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  54. 54. 1/31/2015 Deep Water Horizon Accident Investigation Report 56 April 20, 2010
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  81. 81.  Flow Rate Technical Group ◦ Estimated flow rates 15,000 to 40,000 brls/day  95% Confidence Interval  Calculations based on the duration and flow rates yield total spill size ◦ Between 1.3 to 3.5 MMB (million barrels of oil) ◦ Published media articles (NY Time and CNN) place values between 4.1 and 4.3 MMB  Ranks between the fifth to tenth largest crude oil spills in the world 1/31/2015 Deep Water Horizon Accident Investigation Report 83
  82. 82.  Actions To Prevent Recurrence 1/31/2015 Deep Water Horizon Accident Investigation Report 84
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  84. 84. 1/31/2015 Deep Water Horizon Accident Investigation Report 86 (DWOP and OMS)
  85. 85. Topics Covered:  Investigation Lines of Inquiry  Critical Events during the Accident Timeline  Macondo Well Details, Geology and Well Design  4 Critical Factors, Lines of Inquiry, Leading up to the Accident  8 Key Findings of the Investigation  Estimates of Size of Spill  Recommendations of Actions to Prevent Recurrence This study clearly demonstrates that the Deep Water Horizon accident was preventable. With sound application of engineering and safety practices, similar accidents need never occur again. 1/31/2015 Deep Water Horizon Accident Investigation Report 96
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  87. 87. 1. BP Deepwater Horizon Macondo Well Accident Report Page: http://www.bp.com/sectiongenericarticle.do?categoryId=9034902&contentId=7064891 2. Wikipedia ,Timeline, Deep Water Horizon Accident: http://en.wikipedia.org/wiki/Timeline_of_the_Deepwater_Horizon_oil_spill#April http://en.wikipedia.org/wiki/Deepwater_Horizon_explosion http://en.wikipedia.org/wiki/Deepwater_Horizon 3. Wall Street Journal: http://online.wsj.com/article/SB10001424052748704302304575213883555525958.html 4. CNN: http://www.cnn.com/2010/US/05/03/timeline.gulf.spill/index.html?iref=obnetwork 5. Times Picayune: http://www.nola.com/news/gulf-oil-spill/index.ssf/2010/08/graphic_brings_together_multip.html http://media.nola.com/2010_gulf_oil_spill/photo/six-steps-that-doomed-the-rigjpg-bd73481b6f076ab0.jpg 6. Offshore Technology: http://www.offshore-technology.com/features/feature84446/ 7. Energy and Commerce Committee U.S. Congress: http://energycommerce.house.gov/index.php?option=com_content&view=article&id=1985:energy-a-commerce-committee-investigates-deepwater-horizon-rig-oil- spill&catid=122:media-advisories&Itemid=55 8. Bureau of Ocean Energy Management http://www.boemre.gov/deepwaterreadingroom/QuestionDocuments.aspx http://www.boemre.gov/DeepwaterHorizon.htm 9. Deep Water Response Unified Command http://www.deepwaterhorizonresponse.com/go/site/2931/ 1/31/2015 Deep Water Horizon Accident Investigation Report 98

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