1) dual-stage and high efficiency connector
坐封连通器
1.
The connector is made up of upper joint, slotted steel ball, O-ring, locking pin, slotted sliding sleeve, coupling sleeve, setting ball, setting sliding sleeve, adjusting spring and lower joint The string combined with dual-stage and high efficiency connector + differential packer not only can be .
针对目前油水井作业中使用的底部割缝滑套+压差式封隔器组合工艺管柱存在的问题,研制了双级高效坐封连通器。
2) Whipstock setting
斜向器坐封
4) mechanical-set packer
机械坐封封隔器
5) pressure-actuated packer
压力坐封封隔器
6) tension-set packer
张力坐封封隔器
补充资料：降伏坐
【降伏坐】
（术语）又曰降魔坐。先以右足押左股，次以左足押右股也。反之者云吉祥坐。慧琳音义八作“降魔坐。”玄赞二作“降伏坐。”(参见：跏趺)
（术语）又曰降魔坐。先以右足押左股，次以左足押右股也。反之者云吉祥坐。慧琳音义八作“降魔坐。”玄赞二作“降伏坐。”(参见：跏趺)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条