 |
| |||
| porosity of the rock mass | |||
| Kh (горизонтальная vbadalov) | |||
| Kh – horizontal permeability (горизонтальная); Kv – vertical permeability (вертикальная) | |||
| rock permeability | |||
| |||
| permeability of rocks (lxu5) | |||
| rock permeability | |||
| проницаемость горной породы: 62 phrases in 5 subjects |
| Drilling | 2 |
| Oil / petroleum | 31 |
| Oil and gas | 8 |
| Oilfields | 20 |
| Sakhalin | 1 |