drilling operations: 28 phrases in 13 subjects |
Automated equipment | 4 |
Bridge construction | 1 |
Geophysics | 1 |
Gold mining | 2 |
Makarov | 1 |
Mining | 2 |
Oil / petroleum | 5 |
Oil and gas | 2 |
Oil and gas technology | 1 |
Production | 1 |
Sakhalin | 4 |
Sakhalin R | 1 |
Technology | 3 |