Calculation Model of Relative Permeability in Tight Sandstone Gas Reservoir with Stress Sensitivity

Table 1

Comparison of results between core experiment and model.

Well	Depth (m)	Length (cm)	Diameter (cm)	Porosity	Irreducible water saturation			Permeability
					Experiment	Model	Error (%)	Experiment	Model	Error (%)
D16	2868	2.832	2.534	7.85	0.4471	0.4624	3.42	0.3228	0.3316	2.73
					0.4166	0.3977	4.53
					0.3503	0.3467	1.02
					0.2917	0.2976	2.03
D22	2773	2.153	2.542	7.14	0.5126	0.5152	0.51	0.2328	0.2553	9.66
					0.4384	0.4451	1.54
					0.3655	0.3936	7.69
					0.3277	0.3424	4.49