 |
| |||
| kelly bushing (Yeldar Azanbayev) | |||
| вкладыш под ведущую трубу: 27 phrases in 6 subjects |
| Drilling | 5 |
| Oil / petroleum | 13 |
| Oil and gas | 3 |
| Oilfields | 1 |
| Technology | 4 |
| Tengiz | 1 |
|
| |||
| kelly bushing (Yeldar Azanbayev) | |||
| вкладыш под ведущую трубу: 27 phrases in 6 subjects |
| Drilling | 5 |
| Oil / petroleum | 13 |
| Oil and gas | 3 |
| Oilfields | 1 |
| Technology | 4 |
| Tengiz | 1 |