| 水井井周渗透性降低的原因及改善途径 |
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| 引用本文： | 戴岳.水井井周渗透性降低的原因及改善途径[J].探矿工程,1995(6):12-14. |
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| 作者姓名： | 戴岳 |
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| 作者单位： | 湖北省水文地质大队 |
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| 摘 要： | 论述了水井井周渗透性降低的原因，从钻井方法，冲洗液性能，建立人工过滤层、洗井等方面探讨了改善渗透性的措施。
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| 关 键 词： | 水井井周 渗透性 钻井 冲洗液 过渡层 水井 |
Causes of Water Well Annular Permeability Reduction and Its Improving Measures |
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| Dai Yue.Causes of Water Well Annular Permeability Reduction and Its Improving Measures[J].Exploration Engineering(Drilling & Tunneling),1995(6):12-14. |
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| Authors: | Dai Yue |
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| Institution: | Hydro-Geological Brigade of Hubei |
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| Abstract: | Causes of water well annualer Dermeabilitv reduction are described.Measures to improve perrne- ability reduction are discussed in terms of the drilling method,fluid properties,artificial infiltration layer,and well flushing,etc. |
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| Keywords: | water well annular permeability drilling fluid infiItration layer well flushing |
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