Combining precursor incidents investigations and QRA in oil and gas industry

Jon Espen Skogdalen and Jan Erik Vinnem

Reliability Engineering and System Safety, 2012, vol. 101, issue C, 48-58

Abstract: Accident investigation is the collection and examination of facts related to an occurred specific incident. Quantitative Risk Analysis (QRA) is the systematic use of available information to identify hazards and probabilities, and to predict the possible consequences to individuals or populations, property or the environment. Traditionally both methods have been used separately; however both accident investigation and QRA describe hazards in a systematic way. The extensive research that is done related to that including human and organisational factors in QRA brings accident investigation and QRA closer together. Every year there are a large number of precursor incidents recorded with the potential to cause major accidents risks in the North Sea oil and gas industry. This article describes how accident investigation and QRA can be combined using available information from a precursor incident as input to QRA-methodology to identify hazards, probabilities, safety barriers and possible consequences. The combined method is shortened as QRA PII (Quantitative Risk Analysis Precursor Incident Investigation) and makes use of well known hazard analysis techniques to produce a more complete cause and risk picture in complex systems. This includes an extended understanding of human and organisational factors in accidents and prevention of these.

Keywords: Quantitative risk analyses; Investigation; Precursor incident; Oil and gas industry (search for similar items in EconPapers)
Date: 2012
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Citations: View citations in EconPapers (8)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:reensy:v:101:y:2012:i:c:p:48-58

DOI: 10.1016/j.ress.2011.12.009

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