| |||
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 |