| |||
casing flow string (ABelonogov); production casing string (Alexander Demidov) | |||
production casing |
обсадная эксплуатационная колонна: 32 phrases in 7 subjects |
Drilling | 3 |
Mining | 1 |
Oil / petroleum | 10 |
Oil and gas | 6 |
Oil and gas technology | 1 |
Oilfields | 4 |
Technology | 7 |