 |
| |||
| wellhead | |||
| арматура скважины: 22 phrases in 8 subjects |
| Drilling | 2 |
| Karachaganak | 1 |
| Mining | 1 |
| Oil / petroleum | 7 |
| Oil and gas | 4 |
| Oil and gas technology | 3 |
| Oilfields | 1 |
| Sakhalin | 3 |
|
| |||
| wellhead | |||
| арматура скважины: 22 phrases in 8 subjects |
| Drilling | 2 |
| Karachaganak | 1 |
| Mining | 1 |
| Oil / petroleum | 7 |
| Oil and gas | 4 |
| Oil and gas technology | 3 |
| Oilfields | 1 |
| Sakhalin | 3 |