Nanopore Confinement Effect on the Phase Behavior of CO₂/Hydrocarbons in Tight Oil Reservoirs considering Capillary Pressure, Fluid-Wall Interaction, and Molecule Adsorption

Table 2

Comparison of phase equilibrium ratio between predicted results and experimental or simulation results.

Fluid types	Components	Molar fraction (%)	Experimental data	Simulation results with	Relative deviation (%)	Simulation results this paper	Relative deviation (%)
Confined fluids	i-C4	61.89	2.652	2.816	6.18	2.594	2.19
	n-C4	18.11	1.885	1.904	1.01	1.894	0.48
	C8	20.00	0.0524	0.053	1.15	0.0522	0.38