In the Indonesian Archipelago oil-and-gas fields, high pressure/high temperature (HP/HT) sour-service applications are becoming more prevalent as new areas are being explored and defined. In order to select the appropriate metallurgy and elastomers for completion products in these corrosive environments, careful consideration must be given to the well environment. Therefore, thorough review of well data is required so that completion cost efficiency can be realized, and product integrity can be maintained. This paper will present a selection process that can be used to identify the most appropriate metallurgy and elastomers for various wellbore environments, and in the case histories presented here, was beneficial in selecting the completion components for the HP/HT applications in these fields.

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