| 大口径工程井套管事故及预防技术措施 |
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| 引用本文： | 彭桂湘.大口径工程井套管事故及预防技术措施[J].探矿工程,2010,37(8):47-50,53. |
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| 作者姓名： | 彭桂湘 |
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| 作者单位： | 河南省煤田地质局,河南郑州450046 |
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| 摘 要： | 近几年国内施工大口径煤矿瓦斯排放井、输冰降温井、注氮井、送料井等特殊用途工程井时,常发生套管下不到位、套管折断跑管、固井时将钻杆固在井内、套管挤毁报废等事故,给施工单位造成巨大的经济损失。结合近年来的施工经验对大口径工程井常见事故进行研究,分析了事故的成因,提出了采取的预防措施。
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| 关 键 词： | 大口径工程井 套管 套管事故 固井 |
| 收稿时间： | 2010/6/12 0:00:00 |
| 修稿时间： | 2010/8/7 0:00:00 |
Casing Failure in Large Diameter Project Well and the Prevention Technique |
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| PENG Gui-xiang.Casing Failure in Large Diameter Project Well and the Prevention Technique[J].Exploration Engineering(Drilling & Tunneling),2010,37(8):47-50,53. |
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| Authors: | PENG Gui-xiang |
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| Institution: | PENG Gui-xiang(Coal Geology Bureau of Henan Province,Zhengzhou Henan 450046,China) |
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| Abstract: | Incomplete casing,case breaking,drilling rod cementing and case collapsing often occur in the construction of large diameter coal mine gas emission well,ice transmission cooling-well,nitrogen injection well and feeding well in China in recent years.The paper analyzed the failure causes according to the study on common accident of large diameter project well,and put forward the prevention measures. |
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| Keywords: | large diameter project well casing casing failure well cementing |
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