Calculation of Clay Permeability Using a Rectangular Particle-Water Film Model by the Double-Scale Asymptotic Expansion Method

Table 4

Calculated and measured permeabilities of illite clay using the R-W model.

	m^2	m^2
3.72	11.53	11.42
3.28	7.25	8.65
2.87	4.56	6.36
2.60	3.42	5.02
2.43	11.28	—
2.28	3.57	3.61
2.17	2.10	3.18
1.85	1.48	2.05
1.45	0.71	0.97
1.36	0.40	0.77
1.25	0.38	0.56
1.15	0.36	0.39
1.12	0.27	0.35
0.98	0.22	0.16
0.91	0.12	0.08