УБТ | |
dril. | DC; drill collar |
O&G | collar pipe; DCS; heavy wall drill pipe |
со | |
gen. | with |
спиральная канавка | |
tech. | helical flute |
УБТ: 84 phrases in 9 subjects |
Drilling | 19 |
General | 1 |
Oil / petroleum | 12 |
Oil and gas | 23 |
Oil and gas technology | 21 |
Oilfields | 2 |
Production | 1 |
Sakhalin | 4 |
Well control | 1 |