Proceedings Title : Proc. Indon. Petrol. Assoc., 49th Ann. Conv., 2025
Rising CO₂ concentrations in the atmosphere have become a critical global challenge due to their significant role in climate change and global warming. Increasing CO₂ emissions from industrial activities and fossil fuel combustion intensify the greenhouse effect, leading to higher global average temperatures, extreme weather events, and widespread environmental damage. As a potential mitigation strategy, CO₂ injection into subsurface reservoirs has gained attention, not only as a means of carbon sequestration but also for enhanced oil recovery (EOR). Forecasting plays an important role in optimizing the expected oil and gas production after the injection of CO₂ . This study focuses on the continuous injection of CO₂ in the KL Field, which consists of two injection wells and three production wells. The objective was to determine the optimal continuous CO₂ injection flow rate that would result in maximum CO₂ storage. Using tNavigator software, the analysis covers an operational period of 26 years, from April 2024 to April 2050. The results show that an injection flow rate of 9.5 MMSCF per day for each injection is the optimal scenario. This scenario allows the storage of 6.29 billion tons of CO₂, derived from a total injection volume of 10.49 billion tons. Simultaneously, this scenario achieves an oil recovery of 15.72 MMSTB.
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