 |
| горизонтальные скважины: 107 phrases in 16 subjects |
| Construction | 1 |
| Drilling | 11 |
| General | 2 |
| Geophysics | 5 |
| Gold mining | 2 |
| Intelligence and security services | 1 |
| Mining | 10 |
| Oil / petroleum | 25 |
| Oil and gas | 12 |
| Oil and gas technology | 18 |
| Oilfields | 9 |
| Production | 2 |
| Sakhalin | 3 |
| Sakhalin R | 1 |
| Technology | 4 |
| Transport | 1 |