On April 20, 2010, the crew of the floating drill rig Deepwater Horizon lost control of the Macondo oil well forty miles offshore in the Gulf of Mexico. Escaping gas and oil ignited, destroying the rig, killing eleven crew members, and injuring dozens more. The emergency spiraled into the worst human-made economic and ecological disaster in Gulf Coast history.
Senior systems engineers Earl Boebert and James Blossom offer the most comprehensive account to date of BP’s Deepwater Horizon oil spill. Sifting through a mountain of evidence generated by the largest civil trial in U.S. history, the authors challenge the commonly accepted explanation that the crew, operating under pressure to cut costs, made mistakes that were compounded by the failure of a key safety device. This explanation arose from legal, political, and public relations maneuvering over the billions of dollars in damages that were ultimately paid to compensate individuals and local businesses and repair the environment. But as this book makes clear, the blowout emerged from corporate and engineering decisions which, while individually innocuous, combined to create the disaster.
Rather than focusing on blame, Boebert and Blossom use the complex interactions of technology, people, and procedures involved in the high-consequence enterprise of offshore drilling to illustrate a systems approach which contributes to a better understanding of how similar disasters emerge and how they can be prevented.
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About the Author
Earl Boebert is a retired Senior Scientist at the Sandia National Laboratories.
James M. Blossom gained his engineering experience at Los Alamos National Laboratory and the General Electric Corporation.
Peter G. Neumann is Principal Scientist in the Computer Science Laboratory at SRI International.
Table of Contents
Foreword Peter G. Neumann ix
1 Introduction 1
2 Controlling Macon do 16
3 From Rig to Well 24
4 Weighing Macondo's Risks 36
5 The Struggle with Macondo 47
6 Planning the Production Tail Phase 65
7 The Production Casing Plan 78
8 The Cementing Plan 95
9 The Test and Displacement Plan 104
10 A Reconstructed Plan 123
11 The Systems of the Horizon 140
12 Up to the Edge 151
13 The Final Day 157
14 Going Over 171
15 The Lessons of Macondo 181
Afterword: Evidence, Reports, and Conventional Wisdom 185
Appendix: Technical Notes 209