| 采用偏心割刀处理小口径钻孔掉钻事故实践 |
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| 引用本文： | 刘建平,陈洪俊.采用偏心割刀处理小口径钻孔掉钻事故实践[J].探矿工程,2010,37(4):48-49,53. |
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| 作者姓名： | 刘建平 陈洪俊 |
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| 作者单位： | 贵州省煤田地质局水源队,贵州安顺561000 |
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| 摘 要： | 偏心割刀切割钻杆、钻具,多应用在大口径工程施工钻中,在地质钻探施工中,偏心割刀可以用来切割套管、岩心管。在贵州省普安县青山镇泥堡二矿的钻探施工中,使用偏心割刀从钻杆的外面将钻杆切割掉,成功处理了一次复杂的钻孔事故。介绍了采用偏心割刀处理钻孔事故的技术措施及注意事项。
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| 关 键 词： | 小口径钻孔 偏心割刀 事故处理 |
| 收稿时间： | 2009/12/18 0:00:00 |
| 修稿时间： | 2009/12/18 0:00:00 |
Accident Treatment for Assembly Dropdown in Small Diameter Borehole with Eccentric Cutting Knife |
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| LIU Jian-ping and CHEN Hong-jun.Accident Treatment for Assembly Dropdown in Small Diameter Borehole with Eccentric Cutting Knife[J].Exploration Engineering(Drilling & Tunneling),2010,37(4):48-49,53. |
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| Authors: | LIU Jian-ping and CHEN Hong-jun |
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| Institution: | (Water Team of Coalfield Bureau of Guizhou Province,Anshun Guizhou 561000,China) |
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| Abstract: | Cutting drilling pipe and the assembly with eccentric cutting knife is usually applied in the large diameter engineering borehole construction;and in geological drilling,eccentric cutting knife can used to cut the casing pipe or coring barrel.The paper described a successful treatment practice of complex borehole accident in a drilling construction in Guizhou,the drilling pipe was cut down from the outside with eccentric cutting knife,and introduced the technical measures and the attentions. |
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| Keywords: | small diameter borehole eccentric cutting knife accident treatment |
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