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Chief Counsel's Report (Released 02/17/2011)

The following files are large. Please click only once and wait for your download to complete.
View animations while reading the report by clicking on this icon in the Interactive PDF:
Full Chief Counsel Final Report (Interactive PDF) (25.38 MB)

Full Chief Counsel Final Report (Static PDF For Printing) (25.5 MB)

Cover (164.62 KB)

Acknowledgements (256.6 KB)

Table of Contents (398.8 KB)

Foreword (255.5 KB)

Executive Summary (290.5 KB)

Chapter 1: Scope of Investigation and Methodology (1 MB)

Chapter 2: Drilling for Oil in Deepwater (3.53 MB)

Chapter 3: Background on The Macondo Well (3.74 MB)

Chapter 4: Technical Findings (15.85 MB)

Introduction (368.7 KB)

4.1: Flow Path (2.9 MB)

4.2: Well Design (1.19 MB)

4.3: Cement (3.91 MB)

4.4: Foam Cement Stability (810 KB)

4.5: Temporary Abandonment (1.49 MB)

4.6: Negative Test (2.4 MB)

4.7: Kick Detection (2.64 MB)

4.8: Kick Response (1.36 MB)

4.9: BOP Issues (1.33 MB)

4.10: Maintenance Issues (1.23 MB)

Chapter 5: Overarching Failures of Management (682.7 KB)

Chapter 6: Regulatory Observations (1.06 MB)

Endnotes (2.08 MB)

Appendices
Appendix A: Blowout Investigation Team (206.2 KB)

Appendix B: Commission Staff and Consultants (263.6 KB)

Appendix C: List of Acronyms (203.31 B)

Appendix D: Chevron Letter (560.5 KB)

Appendix E: Nile and Kaskida (348.8 KB)

Direct Links to Report Animation Clips
  • The Macondo Well
  • Porosity
  • Lost Returns
  • Pore Pressure
  • Offshore Drilling 1
  • Offshore Drilling 2
  • The Blowout Preventer
  • Cementing
  • Float Collar
  • Centralizers
  • Temporary Abandonment
  • Negative Pressure Test 1
  • Negative Pressure Test 2
  • Kick Detection
  • Diverter Activation

application/pdf icon
Chief Counsel’s Report Released (201.85 KB)





OILSPILLCOMMISSION.GOV

About

About the Commission
Commission Members
Executive Order
Charter
Staff
FAQ's

Meetings

Meeting 1 - Jul 12-13
Meeting 2 - Aug 25
Meeting 3 - Sep 27-28
Meeting 4 - Oct 13
Meeting 5 - Nov 8-9
Meeting 6 - Dec 2-3
Press Conference – Jan 11
Forum – Jan 12

News

Media Advisories
Federal Register Notices

Resources

Staff Working Papers
Research
Correspondence
Public Comments

Reports

Final Report
Chief Counsel's Report
Multimedia Presentation


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