水井套管渗漏的查找与修复

Checking and Repair of Leaked Water Well Casing

通过套管渗漏水井找漏、修复的典型实例，介绍了查找水井套管渗漏的方法以及防止套管渗漏的措施，简要分析了套管渗漏的原因，比较了几种常用的修复套管渗漏水井的方法。并说明利用吊车在套管渗漏部位安装一段两端带有膨胀橡胶止水器的衬管，是既简便又可靠的修复水井套管渗漏的方法。

Abstract: Through a typical case of checking and repair for water well casing leakage,this paper introduces a method for finding the locations of the leakage of water well casing and the precautions against leakage; briefly analyzes the causes of the leakage; compares the conventional methods for leaked casing repair and indicates that a liner with expanding rubber packer on both ends set opposite the leak areawith a crane is a practical and reliable way for repairing water well casing leakage.