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| технические расчёты по бурению (Drilling engineering is a subset of petroleum engineering. It is primarily involved in the design and drilling of production and injection wells (wiki) Alexander Demidov) | |||
| буровое дело (ART Vancouver) | |||
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| drilling engineering: 10 phrases in 3 subjects |
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| Oil and gas | 5 |
| Sakhalin | 2 |