Pore Pressure Disturbance Induced by Multistage Hydraulic Fracturing in Shale Gas: Modelling and Field Application

Table 1

Numerical modelling series and their modelling parameters.

Series index	Variable parameters		Constant parameters
1	Permeability of the shale formation (mD) ()		mPa·s; MPa
2	Viscosity of the fracturing fluid (mPa) ()		mD; MPa
3	Differential pressure (MPa) ()		mPa·s; mD