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 |