Coupled Geomechanical-Flow Assessment of CO₂ Leakage through Heterogeneous Caprock during CCS

Table 3

Physical data of geological seals considered for saline CO₂ sequestration in the Paradox Basin.

Parameter	Value
Depth (m)	1,707–1,768
Thickness (m)	9–12
Porosity (%)	1.6–4.1
Vertical permeability, (m^2)	39.16–36.86
Horizontal permeability, (m^2)	44.32–44.12; (44.21  0.09)
Compressive strength, (MPa)	166–311; (246.58  54.74)
Poisson’s ratio,	0.24–0.33; (0.27  0.04)
Young’s modulus, (MPa)	38,562–56,613; (47,315  6,447)
Basin areal extent (km^2)	28,490