| Tier | Long 6 | |
| Physical Properties | Porosity (%) | Permeability (×10−3 μm2) |
| Number of samples | 252 | 243 |
| Maximum | 15.0 | 6.35 |
| Minimum | 0.64 | 0.008 |
| Average | 9.25 | 0.70 |