<![CDATA[Carbon dioxide (CO2) injection planning using reservoir simulation has become a significant method in improving oil recovery (EOR) and simultaneously reducing CO2 emissions to the environment. CO2 injection divided into two mechanism, immiscible and miscible injection, both of which depend on the injection pressure as well as reservoir characteristics. This study reviews various CO2 injection mechanisms and their effectiveness through reservoir simulations. In CO2 injection, a compositional reservoir simulation is used that takes into account the hydrocarbon composition and its equation in pressure, volume, temperature (PVT) analysis. The simulation was used to evaluate the storage capacity, CO2 migration, and optimize the injection strategy. Results show that CO2 injection can increase oil recovery, especially in tight reservoirs. Reservoir simulation provides a deeper understanding of reservoir behavior post-CO2 injection and enables more optimal planning in maximizing hydrocarbon recovery. Overall, this study emphasizes the importance of using reservoir simulation in CO2 injection planning and optimization. With the right approach, this technology can significantly increase oil recovery while aiding climate change mitigation through underground CO2 storage.]]>
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