 |
| |||
| csg hd (casing head) | |||
| casing-head; casinghead; casing head; CH (casing head) | |||
| hd casing head | |||
| головка обсадной колонны: 66 phrases in 11 subjects |
| Drilling | 4 |
| Metallurgy | 2 |
| Mining | 1 |
| Oil / petroleum | 31 |
| Oil and gas | 15 |
| Oil and gas technology | 2 |
| Oilfields | 1 |
| Production | 1 |
| Sakhalin | 5 |
| Sakhalin R | 1 |
| Technology | 3 |