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| трубный пакер для обсаженных скважин; подвесной пакер на стенках скважины (или колонны обсадных труб Yeldar Azanbayev) | |||
| wall- hook packer: 19 phrases in 7 subjects |
| Drilling | 2 |
| Geology | 1 |
| Oil / petroleum | 4 |
| Oil and gas | 1 |
| Oil and gas technology | 4 |
| Oilfields | 5 |
| Technology | 2 |