| 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].钻探工程,1995,(6):12-14.. Causes of Water Well Annular Permeability Reduction and Its Improving Measures[J]. Drilling Engineering, 1995,(6):12-14. |
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| 戴岳 |
| 湖北省水文地质大队 |
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| 中文摘要: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。 |
| 中文关键词:水井井周，渗透性，钻井，冲洗液，过滤层，洗井 |
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| Causes of Water Well Annular Permeability Reduction and Its Improving Measures |
| Dai Yue |
| 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. |
| keywords:water well annular,permeability,drilling,fluid,infiItration layer,well flushing |
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