Deepwater Horizon is one of the worst well control incidents in oil and gas industry and this situation results in losing of life and damaging environment. Therefore, it is worth to learn from this accident. In this article, we would like to share a couple of investigation reports from reliable sources for you to read and learn from this incident.
Deepwater Horizon Accident Investigation Report
Figure 1 – Deepwater Horizon Accident Investigation Report from BP
This is the report from BP internal investigation team showing all details from BP point of view and the contents are as follows;
- Scope of Investigation
- The Macondo Well
- Chronology of the Accident
- Overview of Deepwater Horizon Accident Analyses
- Deepwater Horizon Accident Analyses
- Investigation Recommendations
- Work that the Investigation Team was Unable to Conduct
The report here – http://www.bp.com/content/dam/bp/pdf/gulf-of-mexico/Deepwater_Horizon_Accident_Investigation_Report.pdf
In this report, there are a lot of illustrations assisting you to understand all details.
Figure 2 – Well Schematic
Figure 3 – BOP Diagram (Prior and Post Accident)
Final Report on the Investigation of the Macondo Well Blowout
The Deepwater Horizon Study Group (DHSG) was formed by members of the Center for Catastrophic Risk Management (CCRM) in May 2010 in response to the blowout of the Macondo well on April 20, 2010. This is another report and it might give you some different ideas about this accident.
Figure 4 – Final Report on the Investigation of the Macondo Well Blowout
There are some highlighted subjects as listed below;
Chapter 1 – Timeline to Disaster
The Marianas
The Deepwater Horizon
The Blowout
Post Blowout Shutdown Attempts
Chapter 2 – Analysis of the Blowout
Summary of Factors Leading to Blowout
Candidate Flow Paths to the Rig Floor
Phase 1 – Production Casing Design & Construction
Phase 2 – Temporary Abandonment
Phase 3 – Attempts to Control the Well
Chapter 3 – Insights
Introduction
Organizational Accidents Perspectives
Production versus Protection Insights
Chapter 4 – Going Forward
Introduction
Observations
Findings
Commentary
Recommendations
These are some images in this report.
Figure 5 – Location of Macondo Well
Figure 6 – Wellbore Schematic Comparison
The report here – http://ccrm.berkeley.edu/pdfs_papers/bea_pdfs/dhsgfinalreport-march2011-tag.pdf
We wish these two important reports would be advantageous to you. Well control is one of the most critical part of drilling engineering and operation.
