This joint is mainly comprised of elastic jaw, sliding sleeve and shear pin.
这种安全接头主要由弹力爪、锁套、滑套和剪钉组成。
The sliding sleeve can be used to turn on and off production from several levels in a well.
滑套可用于在井中的不同深度启动生产或切断生产。
The sliding sleeve protruded out from the tubing while the tubing still has a full inner diameter.
滑套从油管上向外突出，而油管仍具有全部内径。
And it gives the emphasizing analysis on the design of the hydraulic-pressure power unit in the style of sliding sleeve.
重点对专用的滑套式液压动力头的结构设计予以阐述。
Featuring streamline shape and filled with lead, the free-fall opening plug can quickly free-fall to the lower sliding sleeve.
重力塞为流线形，内部装有铅，投塞后快速自由下落至下滑套上并形成密封。
To overcome the shortcomings of the shear pin type joint and left-hand thread type joint, a sliding sleeve subsurface safety joint is developed.
为了克服剪钉式和反扣式两种安全接头的不足，研制出一种滑套式井下安全接头。
To date, the main oilfield application for high strength dissolvable materials has been for dissolvable frac balls used with sliding sleeve completions.
迄今为止，高强度可分解压裂球主要应用于油田的滑动套筒完井作业中。
7 do not use adhesive tape wrapped around the tent of the two tents, or the residue of the tape will seriously affect the upper and lower sliding sleeve on the advertising tent.
两个帐篷腿捆绑时不要用胶带缠绕，否则胶带的残留物将严重影响广告帐篷脚上套筒的上下滑动。
Hence, multi-layer polymer injection allocator with single-tubing and sliding sleeve switch is developed, and development, lab experiment and pilot test of this polymer alloca...
为此研制了聚合物单管多层滑套开关式配注器，介绍了滑套开关式配注器研制、室内实验和矿场应用情况。
Sliding steel sleeve at the lower end of rubber barrel is used to make reasonable force arrangement for downhole packer meanwhile the expandable pressure of rubber barrel is decreased.
胶筒下部钢套采用滑套式，在降低胶筒扩张压力的同时，使封隔器在井下受力更合理。
Sliding steel sleeve at the lower end of rubber barrel is used to make reasonable force arrangement for downhole packer meanwhile the expandable pressure of rubber barrel is decreased.
胶筒下部钢套采用滑套式，在降低胶筒扩张压力的同时，使封隔器在井下受力更合理。
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