| |||
sand-bed | |||
sand stratum | |||
sand bed | |||
sand | |||
sand formation | |||
sand layer (dimock) |
песчаный пласт: 36 phrases in 12 subjects |
Cement | 1 |
Drilling | 3 |
Geology | 3 |
Geophysics | 1 |
Makarov | 1 |
Oil / petroleum | 9 |
Oil and gas | 5 |
Oil and gas technology | 3 |
Oilfields | 4 |
Petrography | 1 |
Sakhalin | 4 |
Technology | 1 |