Table 1.

Average values of permeability over three regions and instantaneous dewatering.

Formulation	Permeability (m2)			Instantaneous dewatering (g)
	k1	k2	k3
CNF 3 wt.%	10−16	7 × 10−17	1.7 × 10−17	3.3
CNF 10 wt.%	1.1 × 10−17	1.1 × 10−17	10−17	0.66
WP (Group I)-CNF	6.5 × 10−16	8.5 × 10−17	4.5 × 10−17	6.61
WP (Group II)-CNF	9.3 × 10−16	8.3 × 10−17	3.3 × 10−17	9.56
WP (Group III)-CNF	6.9 × 10−16	4 × 10−16	2.7 × 10−16	10.59
WP (Group V)-CNF	7.7 × 10−16	5.7 × 10−17	8 × 10−18	8.52
WP (Group VI)-CNF	8.3×10−16	2 × 10−17	2 × 10−18	9.55