[1]崔玉贵,姜月华,刘 林,等.高密度电法在江西于都黄麟地区地热勘查中的应用[J].华东地质,2020,41(04):368-374.[doi:10.16788/j.hddz.32-1865/P.2020.04.007]
　CUI Yu-gui,JIANG Yue-hua,LIU Lin,et al.Application of high-density resistivity method in geothermal exploration in Huanglin area of Yudu County, Jiangxi Province[J].East China Geology,2020,41(04):368-374.[doi:10.16788/j.hddz.32-1865/P.2020.04.007]
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高密度电法在江西于都黄麟地区地热勘查中的应用()
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《华东地质》[ISSN:2096-1871/CN:32-1865/P]

卷:
41
期数:
2020年04期
页码:
368-374
栏目:
地热资源
出版日期:
2020-12-20

文章信息/Info

Title:
Application of high-density resistivity method in geothermal exploration in Huanglin area of Yudu County, Jiangxi Province
文章编号:
2096-1871(2020)04-368-07
作者:
崔玉贵1; 2; 姜月华3; 刘 林3; 梅世嘉3; 张哲豪3; 周权平3; 杨 辉3; 邹仁波4
（1. 中国地质科学院，北京 100037 2. 中国地质大学（北京），北京 1000833. 中国地质调查局南京地质调查中心，南京 2100164. 江西省勘察设计研究院，南昌 330000）
Author(s):
CUI Yu-gui1; 2;  JIANG Yue-hua3;  LIU Lin3;  MEI Shi-jia3;  ZHANG Zhe-hao3;  ZHOU Quan-ping3;  YANG Hui3;  ZOU Ren-bo4
(1. Chinese Academy of Geological Sciences, Beijing 100037, China; 2. China University of Geosciences, Beijing 100083, China; 3. Nanjing Center, China Geological Survey, Nanjing 210016, China; 4. Jiangxi Institute of Survey and Design, Nanchang 330000, China)
关键词:
关键词: 高密度电法;  地热勘查;  电阻率模型;  断裂;  江西于都
Keywords:
Key words:high-density resistivity method;  geothermal exploration;  resistivity model;  fault;  Yudu County of Jiangxi Province
分类号:
P631.3 P314.2
DOI:
10.16788/j.hddz.32-1865/P.2020.04.007
文献标志码:
A
摘要:
摘要: 高密度电法具有点距小、数据采集效率高、探测精度高等优点,在地热勘查中得到广泛应用。应用高密度电法在江西于都黄麟地区布设了11条测线,对实测电阻率数据进行反演计算,建立研究区地下二维电阻率模型,直观刻画各剖面在不同深度电阻率变化特征。分析了NE向、NW向、NNE向3组断裂地下延伸及产状变化规律,从而推测出地热水赋存有利位置。解释结果显示:研究区围岩主要呈现相对高阻,断裂发育区域电阻率横向变化明显且纵向有一定延伸,破碎带由于含水异常呈现明显低阻。NE向安远—鹰潭深大断裂与NNE向断裂相互作用带富水性良好,通过布设探采结合井进一步揭示了研究区地热类型为对流型。当设计水位降深50 m时,涌水量可达920.80 m3/d,实测水温44.5 ℃,具有良好的开发利用前景。
Abstract:
Abstract:The high-density resistivity method, with the the advantages of small dot pitch, high data-acquisition efficiency and high detection accuracy, has been widely applied in geothermal exploration. Using the method, 11 survey lines are set up in Huanglin area of Jiangxi Province, the 2D underground resistivity model is established by inversion calculation of measured resistivity data, which visually describes the resistivity variation characteristics of each section at different depths, and the underground extension and occurrence variation of NE, NW and NNE faults are analyzed to predict the favorable location of geothermal water. The interpretation results show that the surrounding rocks in the study area have high resistance, the resistivity of fault areas has distinct lateral variation and longitudinal extension, and the fracture zone has obvious low resistance due to water cut. The water abundance in the interaction zone between NE Anyuan-Yingtan deep fault and NNE fault is good, and the integrated exploration and developing well further reveals that the geothermal system in the study area is convection type. When the designed drawdown is 50 m deep, the water inflow can reach 920.80 m3/d with measured water temperature of 44.5 ℃, showing a good development and utilization prospect.

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备注/Memo

备注/Memo:
*收稿日期:2020-05-13 修订日期:2020-07-27 责任编辑:叶海敏
基金项目:中国地质调查局“长江经济带地质环境综合调查工程( 编号:0531)”和“长江三角洲经济区环境地质调查( 编号: 0531189、 DD20160246)”项目联合资助。
第一作者简介:崔玉贵,1996年生,男,硕士研究生,主要从事水文地质和地热地质研究。Email:1134152181@qq.com。
通信作者简介:姜月华, 1963年生,男,研究员,主要从事环境地质和水文地质调查研究工作。Email:316664105@qq.com。
更新日期/Last Update: 2020-11-19