Abstract : this paper introduced few kinds of problems or complicated conditions which were liable to occur during casing section milling operation , meanwhile , discussed basic reasons for such problems and provided corresponding methods to solve them 文摘:介紹了套管段銑作業(yè)中易出現(xiàn)的幾種問題或復(fù)雜情況,探討了產(chǎn)生這些問題的基本原因,并提出了解決問題的相應(yīng)對策與措施。