| |||
commercial seam; minable seam | |||
pay | |||
payable seam; pay bed; pay sand; productive sand | |||
commercial bed |
промышленный пласт: 14 phrases in 8 subjects |
Drilling | 1 |
Gas processing plants | 1 |
Geology | 3 |
Makarov | 1 |
Mining | 2 |
Oil / petroleum | 2 |
Sakhalin | 3 |
Technology | 1 |