| 兰渝铁路深孔钻探沉渣处理 |
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| 引用本文： | 冯海明,李均宏.兰渝铁路深孔钻探沉渣处理[J].探矿工程,2009,36(12):23-25. |
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| 作者姓名： | 冯海明 李均宏 |
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| 作者单位： | 中铁一院集团陕西铁道工程勘察有限公司,陕西西安710000 |
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| 摘 要： | 孔内沉渣厚时会造成下钻不到底或埋钻事故，严重影响钻探的正常进行。介绍了兰渝铁路工程地质勘察孔深850m的西秦岭3号孔沉渣处理过程，总结出一些在破碎地层沉渣事故处理的经验和措施，为类似事故提供借鉴。
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| 关 键 词： | 兰渝铁路 工程地质勘察 深孔钻探 沉渣处理 绳索取心钻进 |
| 收稿时间： | 2009/7/6 0:00:00 |
| 修稿时间： | 2009/11/16 0:00:00 |
Sediment Treatment for Deep Hole Drilling in Lanzhou-Chongqing Railway |
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| FENG Hai-ming and LI Jun-hong.Sediment Treatment for Deep Hole Drilling in Lanzhou-Chongqing Railway[J].Exploration Engineering(Drilling & Tunneling),2009,36(12):23-25. |
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| Authors: | FENG Hai-ming and LI Jun-hong |
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| Institution: | ( Shaanxi Railway Engineering Survey Branch, China Railway First Survey and Design Institute Group Ltd. , Xi＇an Shaanxi 710000, China) |
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| Abstract: | Thick in-hole sediment affects drilling operation with drilling tool not going down to the hole bottom or drill bury. The paper introduced sediment treatment in the 3# hole of west Qingling with depth of 850m in engineering geological exploration of Lanzhou - Chongqing railway, and summed up some treatment experience and measures in treatment of sediment in broken formation for the similar drilling failure. |
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| Keywords: | Lanzhou - Chongqing railway engineering geological exploration deep hole drilling sediment treatment wire-line coring drilling |
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