Risk Mitigation: Evaluation of Rig X, Rig Y, and Rig Z Performance by Analyzing Non-Productive Time on Drilling Activities in Field “A”

Ariyon, Muhammad and D R, Hilmy (2024) Risk Mitigation: Evaluation of Rig X, Rig Y, and Rig Z Performance by Analyzing Non-Productive Time on Drilling Activities in Field “A”. In: Engineering and Sciences - International Conference (ESIC 2024), 17 September 2024.

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Abstract

The study examined the non-productive time (NPT) of drilling activities on rigs X, Y, and Z in field A. It utilized the pareto chart approach to identify the specific type of NPT that was the primary issue during the drilling operation. Moreover, seeking methods to rectify and enhance the efficiency of X, Y, and Z rigs in carrying out drilling operations. According to the conducted research, the operational performance of rigs X, Y, and Z may be characterized by their work performance percentages, which are 90%, 92%, and 85% respectively, in completing drilling activities. The primary factors contributing to non-productive time (NPT) on rig X are rig maintenance and drilling issues, while rigs Y and Z experience NPT due to maintenance activities and unforeseen circumstances. To classify the NPT repair rig, it is necessary to perform preventative maintenance, inspect vital components, and replace any spare parts with authentic replacements. Unmanageable categorization involving the installation of matting boards near wellpads and the incorporation of mobile fleets. To effectively categorize NPT hole issues, it is necessary to optimize the rate of penetration (ROP), ensure the mud filters are not excessively thick, and prioritize thorough hole cleaning.

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