| Core number | Core type | Initial permeability/10−3 µm2 | Injection rate of fracturing fluid/(mL∙min−1) | Filtration time/min | Damage rate/% |
| S4-520 | Fill san | 30.258 | 0.10 | 120 | 11.5 |
| S1-519 | Fill san | 13.266 | 0.10 | 120 | 15.5 |