steerable sleeve
基本解釋
- [能源科學技術]導向活套
專業(yè)釋義
- 導向活套
When the automatic anti-deviation drilling system is in operation ,a relative rotate speed is needed between the steerable sleeve and the drill string to produce essential anti-deviation powers.
自動垂直鉆井系統(tǒng)在工作中,由于糾斜動力的需要,導向活套與鉆桿需要保持一個相對轉(zhuǎn)速。