 |
| |||
| well casing string; well protection by casing | |||
| casing (скважины); lining with casing | |||
| well casing (Yeldar Azanbayev) | |||
| крепление обсадными трубами: 14 Phrasen in 6 Thematiken |
| Bergbau | 3 |
| Bohren | 1 |
| Erdöl | 6 |
| Erdöl und Erdgas | 1 |
| Erdöl- und Erdgastechnik | 1 |
| Erdölindustrie | 2 |