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 (%) |
| L9 | 0.000408 | 0.000232 | 43.14 | L10 | 0.000266 | 0.000127 | 52.26 | L11 | 0.00019 | 0.000056 | 70.53 | L12 | 0.000381 | 0.000115 | 69.82 | L13 | 0.000134 | 0.0000924 | 31.04 | L14 | 0.00202 | 0.000957 | 52.62 | L15 | 0.000146 | 0.0000712 | 51.23 | L16 | 0.000662 | 0.000332 | 49.85 |
|
|