Research Article

PINN-Based Method for Predicting Flow Field Distribution of the Tight Reservoir after Fracturing

Table 1

Specific parameters of the numerical model.

ParametersValue

Horizontal well length1500 m
Radius of fractured zone250 m
Radius of matrix zone50 m
Petroleum density860 kg/m3
Dynamic viscosity
Initial reservoir pressure25 MPa
Bottomhole flow pressure15 MPa
Initial porosity0.1
Rock compression coefficient
Time range50 days
Absolute permeability of the matrix zone0.1 mD
Absolute permeability of the fractured zone10 mD