Research Article

Transient Pressure Analysis for Multifractured Horizontal Well with the Use of Multilinear Flow Model in Shale Gas Reservoir

Table 1

Basic data used for the model.

ParametersValueUnits

Reference length 0.1m
Hydraulic fracture permeability in Zone I, 1000mD
Permeability in SRV Zone II, 0.1mD
Permeability in SRV Zone III, 0.01mD
Permeability in Zone IV, 0.001mD
Initial formation pressure, 30MPa
Fluid viscositymPa·s
Compressibility in Zone I, MPa-1
Compressibility in SRV Zone II, MPa-1
Compressibility in SRV Zone III, MPa-1
Compressibility in Zone IV, MPa-1
Porosity in Zone I0.15Fraction
Porosity in SRV Zone II0.15Fraction
Porosity in SRV Zone III0.15Fraction
Porosity in Zone IV0.15Fraction
Half-length of the fractures, 100m
Width of the SRV zone, 100m
Length of the SRV zone, 150m