 |
| |||
| cement sheath (в обсаженной скважине) | |||
| cement column | |||
| top cement | |||
| cement sheath (в обсаженной колонне) | |||
| цементное кольцо: 42 phrases in 9 subjects |
| Cement | 1 |
| Drilling | 3 |
| Geology | 1 |
| Oil / petroleum | 15 |
| Oil and gas | 4 |
| Oil and gas technology | 4 |
| Oilfields | 4 |
| Sakhalin | 7 |
| Sakhalin R | 3 |