Research Article

Transient Temperature Impact on Deep Reservoir Fracturing

Table 1

Reservoir properties and fracking schedule for the case study.

Property names and unitsValues

Well depth (m)7530
Liquid rate (m3/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 porosity0.076
Poisson ratio0.28
Overburden density (kg/m3)1.797
Young’s modulus (GPa)31.9
Geomechanics heterogeneity2
Leak-off coefficient (m/min0.5)0.004
Poroelastic coefficient0.2
Rock permeability (nD)400
Liquid Knudsen salinity (ppt)35