以典型实例介绍了套管断裂工程事故处理步骤：利用井下电视确定断管位置，制作导正器，然后下入次一级套管并用水泥封固。
To use a typical case study introduced treatment procedure : to determine casing failure position through televiewer , make a centralizer , casing secondary casing then consolidating by cement .
导正器