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jing tong dong jie guan duan guan yuan yin ji fang zhi cuo shi
Pages: 70-72
Year: Issue:  5
Journal: COAL

Keyword:  冻结管断管原因分析防治措施;
Abstract: 阐述了冻结法在井筒施工中出现的断管现象,并针对造成断管的主要问题进行了原因分析,然后在分析的基础上提出了井筒冻结管断管的防治措施.
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