 |
| |||
| outside casing (Yeldar Azanbayev) | |||
| за колонной: 33 phrases in 13 subjects |
| Armored vehicles | 1 |
| Drilling | 2 |
| Geophysics | 1 |
| Military | 5 |
| Oil / petroleum | 4 |
| Oil and gas | 3 |
| Oil and gas technology | 2 |
| Oilfields | 3 |
| Production | 2 |
| Sakhalin | 7 |
| Seismic resistance | 1 |
| Technology | 1 |
| Well control | 1 |