临沂市柳航头地区地热资源特征研究

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英文篇名：Study on Characteristics of Geothermal Resources in Liuhangtou Area in Linyi City 作者：苏宝杰 ; 张诚 ; 王威 ; 刘连 ; 刘安同 英文作者：SU Baojie;ZHANG Cheng;WANG Wei;LIU Lian;LIU Antong;Linyi Bureau of Land and Resources;No.1 Exploration of Geology and Mineral Resources; 关键词：热储层 ; 地热水化学特征 ; 地热梯度 ; 地热概念模型 ; 柳航头地区 ; 临沂市 英文关键词：Geothermal reservoir;;chemical characteristics of geothermal water;;geothermal gradient;;geothermal conceptual model;;Linyi city 中文刊名：SDDI 英文刊名：Shandong Land and Resources 机构：临沂市国土资源局;山东省第一地质矿产勘查院; 出版日期：2015-01-15 出版单位：山东国土资源 年：2015 期：v.31 语种：中文; 页：SDDI201501010 页数：5 CN：01 ISSN：37-1411/P 分类号：35-39

摘要

区域地质调查和地热地质勘探资料显示,临沂市柳航头地区区域构造发育较强烈,大气降水通过构造破碎带向地下深部运动,深部寒武-奥陶纪灰岩岩溶地层厚度可达1 500余米。区域地下水在深部渗透性较好的岩溶地层内径流,向柳航头地区运动过程中,不断受到地球深部热源的地温加热而形成地热水,寒武-奥陶纪岩溶地层成为热储层,其上覆地层导热率较低,是较好的盖层。结合研究区内的地热井深部测温数据和地热水化学特征数据,建立柳航头地区地热概念模型。
        As showed by regional geological survey and geothermal exploration information,regional structures are widely distributed Liuhangtou area in Linyi city. Precipitation always infiltrates into deep underground along tectonic fracture zone. The thickness of Cambrian-Ordovician limestone karst strata is more than 1500 m. Regional groundwater runs in deep karst formation with good permeability. During the period of moving to Liuhangtou region,underground water continuously suffered from the geothermal heat of deep earth heat source,Cambrian-Ordovician karst stratum become geothermal reservoir,while the overlying strata is good cap rock with low thermal conductivity. Combining with the research of deep geothermal well temperature and chemical characteristics of geothermal water,geothermal conceptual model of Liuhangtou area has been established.

引文

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