Coupled THM Modelling of Wellbore Stability with Drilling Unloading, Fluid Flow, and Thermal Effects Considered

Table 1

Material parameters of rock media.

Elastic modulus; MPa	Poisson’s ratio	Cohesion; MPa	Friction angle; °	Tensile strength; MPa	Porosity	Thermal conductivity; J/(m·°C)	Thermal expansion; °C^−1	Specific heat; J/(kg·°C)
2 000	0.2	8	30	1.2	0.2	3.08	1.5×10^−5	840