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bellows plugging technology
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bellows plugging technology
Encyclopedia
工学
膨胀管波纹管技术
释
bellows plugging technology
波纹管堵漏技术
将具有良好塑性变形能力和较高机械强度的无缝钢管压制成小于原管直径的波纹状截面管柱后下至预定井段,利用液压力使其产生永久塑性变形,将其内径扩大到需要的尺寸,从而达到封堵低压、恶性井漏等复杂层段的方法。
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