| 河北省乐亭县滦河古河道深覆盖层钻探施工工艺 |
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| 引用本文： | 任晓顺,太武,刘建福,王建兴,高婷婷,李培林,刘莎莎,孙秀梅. 河北省乐亭县滦河古河道深覆盖层钻探施工工艺[J]. 探矿工程(岩土钻掘工程), 2015, 42(1): 22-26 |
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| 作者姓名： | 任晓顺 太武 刘建福 王建兴 高婷婷 李培林 刘莎莎 孙秀梅 |
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| 作者单位： | 河北省地矿局探矿技术研究院,河北省地矿局探矿技术研究院,河北省地矿局探矿技术研究院,河北省地矿局探矿技术研究院,河北省地矿局探矿技术研究院,河北省地矿局探矿技术研究院,河北省地矿局探矿技术研究院,河北省地矿局探矿技术研究院 |
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| 摘 要： | 河北省乐亭县鲁家坨铁矿区第四系、第三系覆盖层厚,基岩地层破碎,钻探施工过程中坍塌卡钻、缩径、漏涌结合等事故多。选用新型土层专用取心钻具配合常规钻头及特殊金刚石钻头钻进覆盖层,采用加大孔径、优质化学浆液护壁及护孔堵漏相结合措施用绳索取心工艺钻进基岩层,同时强化了泥浆性能调节和维护,加强钻压、转速、大泵量的监护调节等管理措施,顺利完成了施工任务。原设计孔深1300 m,实际终孔深度1408 m,钻孔弯曲度2.9°,岩心采取率覆盖层平均高达80%,岩层100%,矿层100%,成孔周期75天,圆满完成了设计任务书要求,评为优质孔。
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| 关 键 词： | 深覆盖层；粉砂；卵砾石；泥岩；钻头；冲洗液 |
| 收稿时间： | 2014-03-18 |
| 修稿时间： | 2014-11-27 |
Drilling Construction Technology Used in Deep Overburden Layer of Luanhe Ancient Channel in Hebei |
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| REN Xiao-shun,TAI Wu,LIU Jian-fu,WANG Jian-xing,GAO Ting-ting,LI Pei-lin,liushasha and SUN Xiu-mei. Drilling Construction Technology Used in Deep Overburden Layer of Luanhe Ancient Channel in Hebei[J]. Exploration Engineering （Rock & Soil Drilling and Tunneling）, 2015, 42(1): 22-26 |
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| Authors: | REN Xiao-shun TAI Wu LIU Jian-fu WANG Jian-xing GAO Ting-ting LI Pei-lin liushasha SUN Xiu-mei |
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| Affiliation: | Hebei Province Bureau of Geology and Mineral Exploration Institute of Technology,The Institute of Exploration Technology, Hebei Provincial Bureau of Ge-exploration and Mineral Development,The Institute of Exploration Technology, Hebei Provincial Bureau of Ge-exploration and Mineral Development,The Institute of Exploration Technology, Hebei Provincial Bureau of Ge-exploration and Mineral Development,The Institute of Exploration Technology, Hebei Provincial Bureau of Ge-exploration and Mineral Development,The Institute of Exploration Technology, Hebei Provincial Bureau of Ge-exploration and Mineral Development,The Institute of Exploration Technology, Hebei Provincial Bureau of Ge-exploration and Mineral Development,The Institute of Exploration Technology, Hebei Provincial Bureau of Ge-exploration and Mineral Development |
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| Abstract: | |
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| Keywords: | deep overburden layer silt cobble and gravel mudstone bit flushing fluid |
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