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expandable casing
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expandable casing
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expandable casing
膨胀套管技术
在钻井或修井施工过程中,将套管柱下入井底,用膨胀锥头以液力或机械力的方法使管材永久形变,从而达到增大套管直接的目的,以实现节省井眼尺寸,封堵复杂地层的技术。
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