Sensitivity Analysis Strategy to Assess the Salting-Out Problem during CO₂ Geological Storage Process

Table 1

The parameters of the model in the simulation.

Parameter type	Parameter value
Hydrogeological parameters	kx = 100 mD, ky = 100 mD, kz = 100 mD, porosity (ϕ) = 12%
Initial condition	Pressure (P) = 10 MPa, temperature (T) = 45°C, gas saturation (Sgas) = 0%, salinity (XNaCl) = 10%QCO2 = 20 kg/s
Parameters in the relative permeability equation (van Genuchten–Mualem model [37, 38])	m = 0.472, Slr = 0.20, Sgr = 0.05, Sls = 1
Parameters in the capillary pressure equation (van Genuchten function [38])	m = 0.472, Slr = 0.05, P0 = 19.61 kPa, Pmax = 10 MPa, Sls = 0.999