An important element of a field development project would be ensuring that relevant safety features are incorporated within the design of the facilities such that the risk to personnel working on the facilities are deemed to be tolerable from a company or regulatory perspective. It has been observed that different oil and gas operators have varying requirements with regards to the breadth and depth of the suite of formal safety assessment studies that are conducted at the different development stages. This paper will present an overview of the practices adopted by various operators based on the experienced gained through ERM's involvement in major field development in the Asia Pacific region. Similarities and diversity of the approach taken will be explored with the aim of sharing best practices that are applied in the industry.

The paper will explore the optimum results gain by conducting the safety assessments, including the use of Quantitative Risk Assessment as a management decision tool, during the early stages of the development projects taking into account the available information available. The paper will also include a discussion on the degree of effort required in achieving a final configuration where the risks to personnel working on the facilities are demonstrated to be As Low As Reasonably Practicable (ALARP) such that the investment in reducing the risks is not grossly disproportionate to the benefits that may be achieved.

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