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The Sinking of P-36

[+] Author Affiliations
Pedro José Barusco Filho

Petrobras E&P, Rio de Janeiro, RJ, Brazil

Paper No. OMAE2002-28606, pp. 681-690; 10 pages
  • ASME 2002 21st International Conference on Offshore Mechanics and Arctic Engineering
  • 21st International Conference on Offshore Mechanics and Arctic Engineering, Volume 2
  • Oslo, Norway, June 23–28, 2002
  • Conference Sponsors: Ocean, Offshore, and Arctic Engineering Division
  • ISBN: 0-7918-3612-6 | eISBN: 0-7918-3599-5
  • Copyright © 2002 by ASME


On March 14th , 2001, the semi submersible platform P-36, with production capacity of 180,000 bopd, which was in operation in Campos Basin in 1360 m of water depth, had a serious accident, which led to the sinking of the unit. This article addresses the reasons for the accident and further sinking, describes the investigation process and all the technical analyses done to support the most probable hypothesis for the event. The inquiry commission, in charge of performing the technical investigation, analyzed the operations on board of the unit, from December 2000 to the day of the accident, the actions the crew took to fight against the fire and the procedures they used to try to keep the stability previous to the abandonment. The commission used design documents, safety and operational files. They did several interviews, mainly with crewmembers, created many hypotheses for the event and performed technical computational analysis for explosion, gas dispersion and structural deformation. This article stresses the details of the most probable hypothesis of the accident and sinking and points out the main causes which were combined singularly, timely interconnected leading to the loss of the unit.

Copyright © 2002 by ASME



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