Transient Temperature Impact on Deep Reservoir Fracturing

Table 1

Reservoir properties and fracking schedule for the case study.

Property names and units	Values
Well depth (m)	7530
Liquid rate (m^3/s)	0.09
Perforation depth (m)	7430
Formation thickness (m)	50
Casing OD (m)	0.178
Liquid injection temperature (°C)	25
Surface temperature (°C)	25
Geothermal gradient (°C/m)	0.018
Formation porosity	0.076
Poisson ratio	0.28
Overburden density (kg/m^3)	1.797
Young’s modulus (GPa)	31.9
Geomechanics heterogeneity	2
Leak-off coefficient (m/min^0.5)	0.004
Poroelastic coefficient	0.2
Rock permeability (nD)	400
Liquid Knudsen salinity (ppt)	35