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Risk Analyses during Operation

The Norwegian Petroleum Directorate initiated several projects to develop and establish risk indicators. These projects (also denoted the “Indicator Projects”), have been carried out by SINTEF Industrial Management, department of Safety and reliability for the NPD.


The risk indicators (e.g.number of leak events, failure of equipment etc.) are established to get information about the trend in risk levels on an offshore installation, and to provide early warnings and constitute a valuable proactive tool in preventing major accidents.

As a result of organizational factors’increasing contribution to major accidents the latest decades (e.g. Challenger, Chernobyl, Piper Alpha), NPD initiated in 1998 the project ”Risk Analyses during Operation” in which the main focus has been on the effect of organizational changes on risk.

Summary of the project