 |
| |||
| kelly hole (MichaelBurov) | |||
| шурф квадрата: 22 phrases in 9 subjects |
| Chemistry | 1 |
| Drilling | 3 |
| Geophysics | 1 |
| Oil / petroleum | 6 |
| Oil and gas | 5 |
| Oil and gas technology | 3 |
| Oilfields | 1 |
| Production | 1 |
| Sakhalin | 1 |
|
| |||
| kelly hole (MichaelBurov) | |||
| шурф квадрата: 22 phrases in 9 subjects |
| Chemistry | 1 |
| Drilling | 3 |
| Geophysics | 1 |
| Oil / petroleum | 6 |
| Oil and gas | 5 |
| Oil and gas technology | 3 |
| Oilfields | 1 |
| Production | 1 |
| Sakhalin | 1 |