产品简介：采用自主研发的不锈钢类膨胀管，膨胀防砂筛管由多层组成，缝隙大小可依据地层砂粒情况设计。
Introduction: Made our patent expable-tubular stainless steel material, Expable S Screen is composed of the multi-layer, whose slit size is designed based on the stratums grains.
介绍了膨胀筛管的结构、防砂机理和采用膨胀管防砂完井的优缺点。
This paper introduces the advantages and disadvantages of using expanding screen, the structure of expanding screen and the mechanisms of sand control.
文章详细地介绍了膨胀筛管的基本结构、防砂机理及该项技术的优缺点。
It was described roundly the structure of the expanding screen the mechanisms of sand control and the advantages and disadvantages of using this technology in the paper.
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