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| mud weight (MichaelBurov) | |||
| drilling mud density | |||
| удельный вес раствора: 23 phrases in 8 subjects |
| Caspian | 1 |
| Drilling | 2 |
| Geology | 2 |
| Oil / petroleum | 8 |
| Oil and gas | 3 |
| Oil and gas technology | 3 |
| Oilfields | 1 |
| Sakhalin | 3 |
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