Investigation and analysis of geothermal resources in Pingyuan County of Shandong Province
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摘要: 山东省平原县社会、经济发展迅速,但存在资源环境约束趋紧、生态系统退化、环境污染严重、雾霾等极端天气频现等问题,凸显了节能减排形势的严峻性。为了保障城乡发展的能源供给,在收集研究区已有地热资源开发资料基础上进行补充调查,通过钻探、测试取得相关水文地质参数,利用地热计算器软件,对评价区地热资源量进行计算,并根据采灌井井距与采灌井温度、水位和经济成本的关系对采灌井井距进行了优化。结果表明,评价区热储采灌井距设为400 m可确保环境不受影响。该结果为实现地热资源可持续利用提供了有利保障。Abstract: The social and economic development of Pingyuan County in Shandong Province is rapid, but there are problems such as tightening resources and environmental constraints, ecosystem degradation, serious environmental pollution, and frequent occurrence of extreme weather such as smog, highlighting the seriousness of energy conservation and emission reduction. In order to ensure the necessary energy supply for urban and rural development, the authors in this paper carried out supplementary investigation of the reasearch area, based on the existing geothermal resource development data in the reasearch area. The relevant hydrogeological parameters were obtained through drilling and testing, and the geothermal resources in the reasearch area were calculated by using the geothermal calculator software. Besides, the well spacing was optimized according to the relationship between the well spacing and the temperature, water level, economic cost of the wells. The results show that the distance between thermal storage and irrigation wells in the reasearch area is set to be 400 m, which can make sure the environment is not affected. This research is beneficial to the sustainable development and utilization of geothermal resources.
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