steerable sleeve
基本解释
- [能源科學技術]導曏活套
专业释义
- 導曏活套
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.
自動垂直鑽井系統在工作中,由於糾斜動力的需要,導曏活套與鑽杆需要保持一個相對轉速。