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Risk Indicators for Major Accidents on Load Bearing Structures and Maritime Systems in the Petroleum Industry

[+] Author Affiliations
Arne Kvitrud, Gerhard Ersdal

Petroleum Safety Authority, Stavanger, Norway

Jan-Erik Vinnem

Preventor, Stavanger, Norway

Paper No. OMAE2008-57095, pp. 47-54; 8 pages
  • ASME 2008 27th International Conference on Offshore Mechanics and Arctic Engineering
  • Volume 2: Structures, Safety and Reliability
  • Estoril, Portugal, June 15–20, 2008
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-4819-7 | eISBN: 0-7918-3821-8
  • Copyright © 2008 by ASME


To monitor the development of the risk of major accidents of structures and maritime systems on the Norwegian Continental Shelf a set of incident indicators has been established. These indicators are given a weight related to the fatality risk predictions in order to develop a total risk indicator. Aggregated and weighted indicators as well as individual indicators are presented and evaluated. In addition indicators related to barriers are established giving a method to monitor the performance as a function of time, and to benchmark the participants in the industry. The present paper describes the method used in the risk level project to monitor the risk related with emphasis on structures and maritime systems, including hazards as wave in deck, vessel collisions and cracks on the structures. The paper further presents the actual development using the methodology, and the identified major contributors to the risk level.

Copyright © 2008 by ASME



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