“expandable casing”的概念、定义、翻译、参考文献-科学参考

单词	expandable casing
释义	expandable casing Encyclopedia 理学孔内钻具释 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。
随便看	structural basin structural biology structural boundedness structural bridge area/zone structural calculation for hydraulic structures structural capital structural care structural carpentry structural ceramics structural characterization structural characterization of materials structural Characterization of sugar structural chemistry structural coefficient structural collapse rescue structural coloration structural complexity structural composite structural composites structural comprehensive warning structural concrete column structural conducting polymer materials structural constant structural contour map structural cross-section

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