Numerical Investigation of Wellbore Stability in Deepwater Shallow Sediments

Table 1

Parameters used in the analysis of wellbore stability in deepwater shallow sediments.

Parameter	Value
Vertical in situ stress (MPa)	20.9
Horizontal in situ stress (MPa)	19.4
Initial pore fluid pressure (MPa)	16.9
Elastic modulus (MPa)	300
Poisson’s ratio	0.35
Angle of friction in the plane (°)	30.0
Cohesion in the plane (MPa)	0.63
Coefficient in the cap field function	1.0
Biot’s coefficient	1.0
Dynamic viscosity of the pore fluid (Pa·s)	0.001
Initial permeability (mD)	10.0
Coefficient in equation (17)	15.0
Initial porosity	30%
Bulk modulus of the pore fluid (GPa)	2.2
Coefficient in equation (13)	10.2