| 甘肃敦煌城区DR3地热探采结合孔成井工艺 |
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| 引用本文： | 张耀辉.甘肃敦煌城区DR3地热探采结合孔成井工艺[J].探矿工程,2014,41(1):33-36. |
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| 作者姓名： | 张耀辉 |
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| 作者单位： | 甘肃省地矿局水文地质工程地质勘察院,甘肃张掖734000 |
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| 摘 要： | 介绍了甘肃敦煌市区DR3地热探采结合孔成井工艺。该孔成功地引进了遇水膨胀橡胶止水，止水效果可靠，简便。用钻进泥浆泵固井永久止水、有效控制孔斜等技术措施，对类似地热井施工具有一定的参考价值。
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| 关 键 词： | 探采结合孔 成井工艺 下管 止水 固井 遇水膨胀橡胶 |
| 收稿时间： | 2013/8/9 0:00:00 |
| 修稿时间： | 2013/8/9 0:00:00 |
Well Completion Technology for DR3 Geothermal Mining-exploiting Combination Well of Dunhuang |
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| ZHANG Yao-hui.Well Completion Technology for DR3 Geothermal Mining-exploiting Combination Well of Dunhuang[J].Exploration Engineering(Drilling & Tunneling),2014,41(1):33-36. |
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| Authors: | ZHANG Yao-hui |
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| Institution: | ZHANG Yao-hui ( Institute of Hydrogeology and Engineering Geology, Bureau of Geology and Mineral Resources Investigation of Gansu Province, Zhangye Gasu 734000, China) |
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| Abstract: | The paper introduces the well completion process for DR3 geothermal mining-exploiting combination well in Dun-huang of Gansu Province.The water swelling rubber was successfully introduced for water stopping with simple and reliable effects.The techniques of the permanent water stopping by mud pump cementing and the effectively control on borehole in-clination have certain reference values to the similar geothermal well construction. |
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| Keywords: | combination of mining-exploiting borehole well completion process tube lowering water stopping cemen-ting water swelling rubber |
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