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| конструкция колонны нефтяной скважины (kondorsky) | |||
| расчёт колонны (обсадной Bauirjan) | |||
| конструкция обсадной колонны | |||
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casing design : 15 phrases in 9 subjects |
| Drilling | 1 |
| Electronics | 1 |
| Microelectronics | 1 |
| Oil / petroleum | 3 |
| Oil and gas | 3 |
| Oil and gas technology | 2 |
| Oilfields | 1 |
| Technology | 2 |
| Transport | 1 |