Table T1. Parameter used in the elastic models.
Parameter
Value
Number of contacts per grain (n) 9
Critical porosity (c, %) 37
Grain density (kg/m3) 2700
Water density (kg/m3) 1000
Hydrate density (kg/m3) 900
Sand bulk modulus (Ksand x 109 Pa) 38
Sand shear modulus (µsand x 109 Pa) 44
Clay bulk modulus (Kclay x 109 Pa) 21.2
Clay shear modulus (µclay x 109 Pa) 6.67
Pore water bulk modulus (Kwater x 109 Pa) 2.67
Hydrate bulk modulus (Kh x 109 Pa) 7.9
Hydrate shear modulus (µh x 109 Pa) 3.3
Free gas bulk modulus (Kgas x 109 Pa) 0.2