Research Article

Impact of Petrophysical Properties on Hydraulic Fracturing and Development in Tight Volcanic Gas Reservoirs

Table 4

The permeability change after the samples go through the process of loading pressure and unloading pressure.

Samples (mD) (mD)Loss ratio of permeability (%)

L90.0004080.00023243.14
L100.0002660.00012752.26
L110.000190.00005670.53
L120.0003810.00011569.82
L130.0001340.000092431.04
L140.002020.00095752.62
L150.0001460.000071251.23
L160.0006620.00033249.85