Towards a dynamic risk and barrier assessment in an IO context

Towards a dynamic risk and barrier assessment in an IO context

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Abstract

Real-time assessment of risk could provide a basis for dynamic adjustments of inspection and maintenance plans or implementation of risk reducing measures while maintaining production. This contribution presents work that is being developed within the Center for Integrated Operations in the Petroleum Industry (Norway). It firstly describes the approach adopted to refine current risk and barrier assessment processes, in order to lay the foundations for a dynamic IO-based methodology. Secondly, preliminary results obtained from case-studies in the oil and gas sector are illustrated. In order to combine different experiences for a robust decision support system, IO concepts from other industries are also taken into account, such as critical safety function methods from the nuclear industry and mission success concepts from the space program. Specific methods have been evaluated with regard to their ability to support critical decisions by providing key information on barrier and safety function status in an intuitive and visual form. Increased awareness of barrier conditions and enhanced possi-bilities provided by IO to improve barrier management will represent not only a more robust framework for preventing undesirable events, but also an important value to industry.
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