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

Table 2

Basic parameters of numerical model.

Parameters	Value
Grid number
Grid size
Porosity, %	10.6
Permeability, mD	20
Net pay, m	10
Original pressure, MPa	55
Drainage radius, m	1000
Fluid viscosity, mPa·s	0.4
Formation volume factor	1.6
Original rock compressibility, ×10^−3 MPa^−1	8.9
Fluid compressibility, ×10^−4 MPa^−1	4.5
Oil recovery rate, %	1