Research Article

Numerical Simulation of the Non-Darcy Flow Based on Random Fractal Micronetwork Model for Low Permeability Sandstone Gas Reservoirs

Table 2

Gas flow velocity under different pressure gradients.

Inlet pressure (MPa)Outlet pressure (MPa)Pressure gradient (MPa·m-1)Flow velocity (cm·min-1)
#1#2#1#2

12.1121.781.312.2650.82
12.3125.333.398.7651.84
12.5128.896.5612.032.35
12.71212.449.1816.013.65
12.91216.0011.8020.564.46