可膨胀管堵水技术是一种利用膨胀管对套管补贴以实现水层封堵的新技术。文中阐述了可膨胀管堵水技术原理和工艺实施要点,结合实例,对施工效果进行了评价,分析该工艺的适用性,指出套管质量的好坏对堵水效果具有重大影响,清理套管是一项重要的技术工作。 Expandable tube plugging technology is a new technology that uses expansion tubes to supplement casing to achieve plugging. In this paper, expounding the principle and technical implementation of expandable pipe plugging water technology, combined with examples, the construction effect was evaluated and the applicability of the process was analyzed. It was pointed out that the quality of the pipe has a significant impact on water plugging effect, It is an important technical work.