Research Article

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

Figure 4

The 3D grid for the simulation scenarios. (a) Sole CO2 injection. (b) Sole water production. (c) 1 injection well and 1 production well with the well spacing of 1 km. (d) 1 injection well and 1 production well with the well spacing of 3 km. (e) 1 injection well and 1 production well with the well spacing of 5 km. (f) 1 injection well and 2 production wells with the well spacing of 2 km. (g) 1 injection well and 4 production wells with the well spacing of 2 km.
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