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

Table 2

Geometric and hydrogeological specifications for the simulation.

Reservoir
Thickness	25.60 m
Porosity	Figure 2
Permeability	Figure 2
Rock grain density	2650 kg/m^3
Rock specific heat	920 J/kg/°C
Rock thermal conductivity	2.51 W/m/°C
Initial conditions
Reservoir fluid	Saline water (salinity of 4.32%)
Reservoir temperature	63.00°C
Average reservoir pressure	21.89 MPa
Initial CO2 saturation	0
Wellbores
Diameter	0.20 m
Roughness	0.046 mm
Heat conductivity	2.51 W/m/°C
Inclination of wells	Vertical
Injection-production distance	Table 1
Injection pressure (wellhead)	7.00 MPa
Production pressure (downhole)	7.28 MPa