 |
| |||
| спуск бурильной колонны | |||
|
drill-string running : 7 phrases in 3 subjects |
| Drilling | 4 |
| Oil / petroleum | 2 |
| Oil and gas technology | 1 |
|
| |||
| спуск бурильной колонны | |||
|
drill-string running : 7 phrases in 3 subjects |
| Drilling | 4 |
| Oil / petroleum | 2 |
| Oil and gas technology | 1 |