Table 5.

Parameterization of the capillary pressure and relative permeability functions for the rock matrix

ParameterCapillary pressureRelative permeability
Functional formPcap=P0(S1/λ1)1λkra=S(1[1S1/λ]λ)2
S=SaSar1Sarkrg=1S(1S1/λ)2λ
Sa = aqueous saturation
Sar = irreducible aqueous saturation
λ (−)0.600.60
P0 (Pa)1.74 × 106
Sar (−)0.00.01