A Study on the CO₂-Enhanced Water Recovery Efficiency and Reservoir Pressure Control Strategies

Figure 6

Spatial distribution of the supercritical CO₂ at the end of the simulation in different scenarios (analysis of the well spacing). (a) Sole CO₂ injection at 1.01 years. (b) The well spacing of 1 km at 1.01 years. (c) Sole CO₂ injection at 3.95 years.(d) The well spacing of 2 km at 3.95 years. (e) Sole CO₂ injection at 9.40 years. (f) The well spacing of 3 km at 9.40 years. (g) Sole CO₂ injection at 28.43 years. (h) The well spacing of 5 km at 28.43 years.

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