 |
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| drilling practices | |||
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| drilling practices; drilling regime | |||
| drilling practice; drilling technique | |||
| режимы бурения: 30 phrases in 8 subjects |
| Drilling | 4 |
| Oil / petroleum | 10 |
| Oil and gas | 8 |
| Oil and gas technology | 3 |
| Oilfields | 1 |
| Production | 1 |
| Sakhalin | 1 |
| Technology | 2 |