E&P organisations continue to strive towards improving HSE performance within their own operated activities. However, an area where there has been relatively little focus is on how Joint Venture (JV) Operators manage major incident risk within JV operations. Within these types of activities, the JV Operator is relied on to deliver the appropriate HSE performance, with the other JV partners adopting a predominately reactive approach to HSE issues that occur during the operation.

Against the background of a continued drive to improve HSE performance within all its activities (both operated and non-operated) and to understand and manage its exposure to major incidents within JV operations where it is not the operator, a methodology has been developed within eni UK to provide an indicator of the major incident potential within the non-operated joint ventures the organisation is engaged in within the UK sector.

The methodology is based on comparing and combining different measures of major incident risks. In particular two aspects are addressed: the estimation of major incident risk inherent in the JV operation and a measure relating to the manner in which the operator is managing the barriers required to prevent a major incident from occurring.

The paper presents an overview of the methodology then focuses on the use of incident, near miss and operational (event) data as a means of assessing the integrity of the barriers required to manage major incident risk. Examples of the type of information results from the use of the event data are presented.

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