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| |||
| record hole (проходимая с отбором керна от поверхности до конечной глубины) | |||
| core hole (скважина, пробуренная с отбором керна) | |||
| stratigraphic well | |||
| corehole (MichaelBurov); structure well (MichaelBurov); core-hole (MichaelBurov) | |||
| structural well | |||
| core hole; record hole | |||
| структурная скважина: 10 phrases in 5 subjects |
| Drilling | 1 |
| Oil / petroleum | 4 |
| Oil and gas | 2 |
| Oil and gas technology | 1 |
| Technology | 2 |