| 鄂尔多斯盆地西南缘供水井质量恶化原因分析及对策 |
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| 引用本文： | 陶天才.鄂尔多斯盆地西南缘供水井质量恶化原因分析及对策[J].探矿工程,2010,37(6):28-29,32. |
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| 作者姓名： | 陶天才 |
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| 作者单位： | 甘肃省地矿局第一地质矿产勘查院,甘肃天水741020 |
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| 摘 要： | 作为极度缺水的鄂尔多斯盆地西南缘地区,针对白垩系含水地层采水的供水井很多,但供水井水质恶化和水量减小的现象较为普遍,其原因主要是井身结构严重不合理所致。通过对造成供水井质量恶化的原因分析,找出了止水方法的不合理性与泥岩缩径造成井身变形而致水量减小的问题实质,提出了科学合理的成井方案,从而有效地解决了供水井质量恶化问题,提高了供水井使用寿命。
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| 关 键 词： | 供水井 水质恶化 水量减小 缩径 水泥固井 骨架管 成井结构 鄂尔多斯盆地 |
| 收稿时间： | 2010/4/16 0:00:00 |
| 修稿时间： | 2010/4/16 0:00:00 |
Analysis on the Cause of Water Well Quality Degradation in the Erdos Basin Southwest Edge and the Countermeasures |
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| TAO Tian-cai.Analysis on the Cause of Water Well Quality Degradation in the Erdos Basin Southwest Edge and the Countermeasures[J].Exploration Engineering(Drilling & Tunneling),2010,37(6):28-29,32. |
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| Authors: | TAO Tian-cai |
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| Institution: | TAO Tian-cai(No.1 Geo-investigation Institute,Gansu Provincial Bureau of Geology and Mineral,Tianshui Gansu 741020,China) |
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| Abstract: | The southwest edge of Erdos basin is an extreme water shortage area.There are many water wells in cretaceous water-bearing formation,but water quality degradation and water quantity decreasing are common phenomenon,which is mainly caused by the serious unreasonable well structure.Based on the analysis on the causes of water well quality degradation,the substantial issues was found that water quantity decreasing was caused by well structure deformation because of unreasonable water stoppage method and diameter shrinkage in mudstone.The scientific and reasonable well-forming scheme was put forward to solve the water well quality issue and prolong the water well service life. |
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| Keywords: | water well water quality degradation water quantity decreasing diameter shrinkage well cementing framework pipe well structure Erdos basin |
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