 |
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| XCSG (Yeldar Azanbayev); Casing Extreme-Line (Yeldar Azanbayev) | |||
| обсадная труба с резьбой: 23 phrases in 10 subjects |
| Drilling | 2 |
| General | 1 |
| Oil / petroleum | 6 |
| Oil and gas | 3 |
| Oil and gas technology | 1 |
| Oilfields | 2 |
| Pipelines | 2 |
| Sakhalin | 3 |
| Technology | 1 |
| Tengiz | 2 |