ANALYSIS ON THE DECLINE OF GROUNDWATER LEVEL IN XINZE NO.5 WELL
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摘要: 新泽5井水位1997年以来呈趋势下降动态, 至2002年底下降幅度达970mm。为解释该趋势下降的原因, 首先对深州市及其周边地区地热开采点的空间分布及地下热水开采量进行了详细调查, 而后对华北油田采油和注水情况进行了了解。经调查研究表明, 新泽5井1997年以来, 水位的趋势下降, 水位动态年变规律的改变, 是井区及附近地区大量开采地下热水引起的。Abstract: The groundwater level in Xinze No.5 Well has declined since 1997, and it has come up to 970mm till the end of 2002.In order to find the reasons, we first investigated the distribution of the geothermal stations and the water extraction in the whole Shenzhou city and its vicinity, then investigated the oil extraction and water afflux in North China Oil Field.The investigation shows that the decline of the ground water level and its change in annual tendency was caused by the extraction of hot groundwater in the well region and its vicinity.
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Keywords:
- groundwater level /
- tendency anomaly /
- Terrestrial heat /
- water extraction
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[1] 汪成民, 李宣瑚, 王铁城, 等.中国地震地下水位动态观测网[M].北京:地震出版社, 1990.300-301. [2] 张子广, 冯录刚, 张素欣, 等.新泽5井数字化水位特征分析[J].地震, 2002, 22(4):94-99.
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