 |
| |||
| outside casing (Yeldar Azanbayev) | |||
| за обсадной колонной: 13 phrases in 7 subjects |
| Drilling | 1 |
| Geophysics | 1 |
| Oil / petroleum | 4 |
| Oil and gas | 1 |
| Oilfields | 2 |
| Sakhalin | 3 |
| Technology | 1 |
|
| |||
| outside casing (Yeldar Azanbayev) | |||
| за обсадной колонной: 13 phrases in 7 subjects |
| Drilling | 1 |
| Geophysics | 1 |
| Oil / petroleum | 4 |
| Oil and gas | 1 |
| Oilfields | 2 |
| Sakhalin | 3 |
| Technology | 1 |