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| down the hole | |||
| в стволе скважины: 208 phrases in 15 subjects |
| Drilling | 32 |
| Geology | 1 |
| Geophysics | 2 |
| Karachaganak | 1 |
| Makarov | 2 |
| Mining | 5 |
| Oil / petroleum | 52 |
| Oil and gas | 48 |
| Oil and gas technology | 21 |
| Oilfields | 12 |
| Sakhalin | 21 |
| Sakhalin R | 1 |
| Technology | 7 |
| Tengiz | 1 |
| Well control | 2 |