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часть ствола скважины
| участка ствола скважины
| часть ствола скважины | |
| O&G, oilfield. | borehole section |
| участок ствола скважины | |
| O&G. tech. | borehole section |
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| borehole section | |||
| часть ствола скважины: 48 phrases in 7 subjects |
| Drilling | 2 |
| Oil / petroleum | 13 |
| Oil and gas | 8 |
| Oil and gas technology | 2 |
| Oilfields | 7 |
| Sakhalin | 6 |
| Technology | 10 |