4In End Plug Solid 在结束插头固体
Motion and force of the solid plug in the solid conveying zone were analyzed deeply in the two equivalent cases of the inner screw.
在固体输送段对内螺杆的两种等效情况下固体塞的运动和受力作了深入分析。
A technique of temporary screen plugging for fractured reservoirs strata is proposed, by which the solid particles in the mud are used to plug up the fractures.
屏蔽式暂堵技术是利用泥浆中固相颗粒在地层裂缝处形成堵塞而达到暂堵的技术。
The top plug has a solid body that provides positive indication of contact with the landing collar and bottom plug through an increase in pump pressure.
顶塞具有一个实心的塞体，根据泵压的增加它能可靠地显示与止塞箍和底塞的接触。
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