Research Article

Study on Reasonable Energy Supplement Time of Tight Sandstone Oil Reservoirs with Rock Compressibility Stress Sensitivity

Table 2

Basic parameters of numerical model.

ParametersValue

Grid number
Grid size
Porosity, %10.6
Permeability, mD20
Net pay, m10
Original pressure, MPa55
Drainage radius, m1000
Fluid viscosity, mPa·s0.4
Formation volume factor1.6
Original rock compressibility, ×10−3 MPa−18.9
Fluid compressibility, ×10−4 MPa−14.5
Oil recovery rate, %1