Research Article

Investigating the Permeability of Marble under Moderate Pressure and Temperature

Table 1

Test results on flow rate of sample D20 in different conditions.

Sample D20: oil temperature: 14.5°C, room temperature: 16.0°C
10 MPa20 MPa30 MPa
Inlet gas pressure/MPaFlow velocity/(10−3 mL·s−1)Inlet gas pressure/MPaFlow velocity/(10−3 mL·s−1)Inlet gas pressure/MPaFlow velocity/(10−3 mL·s−1)

1.950.001452.80.001752.970.00135
30.002540.002843.980.00196
4.040.003914.980.003924.950.00265
5.10.005955.990.005155.940.00348
6.10.008066.920.006456.960.00446
7.050.0101