| 砂卵砾石层倒垂孔施工技术 |
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| 引用本文： | 石绍云,袁宏光,李春海.砂卵砾石层倒垂孔施工技术[J].探矿工程,2011,38(2):43-45. |
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| 作者姓名： | 石绍云 袁宏光 李春海 |
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| 作者单位： | [1]中国地质科学院探矿工艺研究所,四川成都610081 [2]四川省地矿局405地质队,四川都江堰611830 |
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| 摘 要： | 针对砂卵砾石层倒垂孔施工中钻孔偏斜、孔内坍塌掉块、取心以及保护管的安装等困难问题,从钻机安装、钻具结构、设备能力、钻进技术参数等多方面采取相应的技术措施,取得了良好的施工效果。介绍了红叶电站砂卵砾石层倒垂孔的施工技术。
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| 关 键 词： | 砂卵砾石层 倒垂孔 浮筒式测斜仪 钻进 取心 纠斜 |
| 收稿时间： | 2010/7/14 0:00:00 |
| 修稿时间： | 2010/11/1 0:00:00 |
Construction Technology of Reversed Pendent Hole in Sand Gravel Stratum |
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| SHI Shao-yun,YUAN Hong-guang and LI Chun-hai.Construction Technology of Reversed Pendent Hole in Sand Gravel Stratum[J].Exploration Engineering(Drilling & Tunneling),2011,38(2):43-45. |
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| Authors: | SHI Shao-yun YUAN Hong-guang and LI Chun-hai |
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| Institution: | 1.The Institute of Exploration Technology,CAGS,Chengdu Sichuan 610081,China;2.405 Geological Team,Sichuan Bureau of Geology and Mineral Exploration and Development,Dujiangyan Sichuan 611830,China) |
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| Abstract: | According to the difficulties of borehole deviation,in-hole collapsing and block-falling,coring and installation in construction in sand gravel stratum,the corresponding technical measures were taken with good construction effect.The paper introduced the construction technology in sand gravel stratum of Hongye power station. |
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| Keywords: | sand gravel stratum reversed pendent hole float inclinometer drilling coring deviation correction |
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