|
drilling control : 55 phrases in 17 subjects |
| Caspian | 1 |
| Construction | 1 |
| Drilling | 2 |
| General | 1 |
| Geology | 1 |
| Gold mining | 4 |
| Mechanic engineering | 1 |
| Oil / petroleum | 20 |
| Oil and gas | 5 |
| Oil and gas technology | 6 |
| Oilfields | 2 |
| Production | 1 |
| Programming | 2 |
| Sakhalin | 3 |
| Sakhalin A | 2 |
| Technology | 1 |
| Tengiz | 2 |