Rock Mechanical Properties and Breakdown Pressure of High-Temperature and High-Pressure Reservoirs in the Southern Margin of Junggar Basin

Table 2

Basic parameters of the sensitivity analysis for the corrected breakdown pressure prediction model.

Parameters	Values	Parameters	Values
Elastic modulus (GPa)	18-40	Fracturing fluid temperature (°C)	25
Poisson’s ratio	0.18-0.40	Initial formation temperature (°C)	100-200
Vertical stress (MPa)	160	Rock thermal expansion coefficient (1/°C)	0.00004
Pore pressure (MPa)	100-150	Tectonic stress coefficient	0.6
Biot elastic coefficient	0.8	Tectonic stress coefficient	0.11
Tensile strength (MPa)	7