This study evaluates the feasibility of COâ‚‚ injection in the Combath field using a series of screenings, a three-scenario predictive model, and Monte Carlo simulations. The main results indicate that the 10-acre scenario has the highest net present value (NPV), while the 28-acre scenario achieves the best internal rate of return (IRR). Sensitivity analysis identified oil price and reservoir porosity as the dominant factors. Based on the expected economic value and risk, the 20-acre scenario, after controlled parameter optimization, is recommended as a balanced option. These findings provide strategic guidance for EOR implementation in this field.
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