Evaluation of Offshore Production Performance in Mature Fields: Case Study of Foxtrot Flow Station
DOI:
https://doi.org/10.63208/210113-637Keywords:
Asset Integrity Management, Gas Lift Optimization, Mature Oil and Gas Fields, Production Performance EvaluationAbstract
This study examines offshore production performance at Foxtrot Flow Station, PT PHE ONWJ, utilizing an integrated Key Performance Indicators framework across productivity, operations, economics, and HSSE dimensions. A qualitative approach was employed, combining 2022–2025 production data analysis with cross-functional interviews. The results reveal that the system operates under system-constrained conditions driven by aging assets, gas lift imbalance, and declining maintenance effectiveness. Production performance averages 88% of targets, with deficits dominated by hidden losses—specifically tubing obstruction from inefficient gas lift injection. Operationally, the facility exhibits pseudo-reliability, where high mechanical availability fails to translate into effective production. Economically, declining volumes inflate lifting costs per barrel, though HSSE metrics remain resilient with zero recorded incidents. A reinforcing decline loop is identified, where falling production limits gas lift availability, further degrading output. These findings emphasize the necessity of integrated gas lift optimization, asset integrity management, and predictive maintenance to secure mature offshore asset resilience.
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