It is placed in the formation via a fracture, frac-pack, gravel-pack, or pre - packed screen system.
它通过裂缝或预填充筛管系统放置在地层中。
Its latest device, the NGP (Next Generation Portable), is also packed with new technology, such as a touch screen and touch-sensitive back casing.
其最新设备NGP(下一代掌机)也采用了各种新技术，如触屏和触摸式背壳。
The thermal regenerator efficiencies packed with bronze screen matrix of various size, blow periods, Helium flow rates etc have been measured with experimental compensate method.
本文通过采用补偿方法，分别测定了在液氮温区不同的工质流量、切换时间、填料网目数的回热器效率。
Aimed at the characteristic of horizontal well, combined with large amount of laboratory tests, double-wall pre-packed gravel screen is developed.
针对水平井成井特点，结合大量室内试验，研制了双壁预充陶粒携砾过滤器。
Aimed at the characteristic of horizontal well, combined with large amount of laboratory tests, double-wall pre-packed gravel screen is developed.
针对水平井成井特点，结合大量室内试验，研制了双壁预充陶粒携砾过滤器。
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