 |
| |||
| staging collar (elena.kazan) | |||
| ступенчатая муфта: 34 phrases in 9 subjects |
| Automated equipment | 1 |
| Drilling | 1 |
| General | 1 |
| Karachaganak | 1 |
| Oil / petroleum | 5 |
| Oil and gas technology | 1 |
| Sakhalin | 15 |
| Sakhalin R | 8 |
| Well control | 1 |
|
| |||
| staging collar (elena.kazan) | |||
| ступенчатая муфта: 34 phrases in 9 subjects |
| Automated equipment | 1 |
| Drilling | 1 |
| General | 1 |
| Karachaganak | 1 |
| Oil / petroleum | 5 |
| Oil and gas technology | 1 |
| Sakhalin | 15 |
| Sakhalin R | 8 |
| Well control | 1 |