 |
| |||
| спуск колонны (Yeldar Azanbayev) | |||
| down casing: 13 phrases in 7 subjects |
| Drilling | 1 |
| Mining | 1 |
| Oil / petroleum | 3 |
| Oil and gas | 5 |
| Oil and gas technology | 1 |
| Technology | 1 |
| Well control | 1 |
|
| |||
| спуск колонны (Yeldar Azanbayev) | |||
| down casing: 13 phrases in 7 subjects |
| Drilling | 1 |
| Mining | 1 |
| Oil / petroleum | 3 |
| Oil and gas | 5 |
| Oil and gas technology | 1 |
| Technology | 1 |
| Well control | 1 |