WFEM与CSAMT在新元煤矿富水区探测效果对比  

Comparison of application effects of WFEM and CSAMT in water-rich area of Xinyuan Coal Mine

作　　者：李帝铨[1,2,3] 肖教育 张继峰 胡艳芳 刘最亮[5] 张新 LI Di-Quan;XIAO Jiao-Yu;ZHANG Ji-Feng;HU Yan-Fang;LIU Zui-Liang;ZHANG Xin(Key Laboratory of Metallogenic Prediction of Nonferrous Metals and Geological Environment Monitoring,Central South University,Changsha 410083,China;Hunan Provincial Key Laboratory of Non-ferrous Resources and Geological Hazard Detection,Changsha 410083,China;School of Geosciences and Info-physics,Central South University,Changsha 410083,China;School of Earth Science and Resources,Chang'an University,Xi'an 710000,China;Geological Survey Department of Yangquan Coal Industry Group,Yangquan 045000,China)

机构地区：[1]中南大学有色金属成矿预测与地质环境监测教育部重点实验室,湖南长沙410083 [2]有色资源与地质灾害探测湖南省重点实验室,湖南长沙410083 [3]中南大学地球科学与信息物理学院,湖南长沙410083 [4]长安大学地球科学与资源学院,陕西西安710000 [5]阳泉煤业(集团)有限责任公司地质测量部,山西阳泉045000

出　　处：《物探与化探》2021年第5期1359-1366,共8页Geophysical and Geochemical Exploration

基　　金：国家重点研发计划(2018YFC0807802);中南大学研究生科研创新项目(2019zzts648)。

摘　　要：为了探测煤层中的富水体,首次在新元矿区开展了基于广域电磁法的富水区探测,并同时配套了可控源音频大地电磁法作为对比。通过视电阻率数据曲线、频率—视电阻率拟断面图和反演结果的对比结果,显示广域电磁法具有探测深度大、效率高、精度高的特点,可为煤矿富水区探测提供新的有效技术。To detect the water-rich areas in coal seams,the wide-field electromagnetic method(WFEM)was employed in the Xinyuan mining area of Huayang New Material Technology Group Co.,Ltd.for the first time.Meanwhile,the controlled source audio-frequency magnetotellurics(CSAMT)was used for comparison.According to the comparison results of the apparent resistivity curves,frequency-apparent resistivity pseudo sections,and inversion results,WFEM enjoys the advantages of large detection depth,high efficiency,and high precision and thus serves as a new effective technology for the detection of water-rich areas in coal mines.

关 键 词：广域电磁法 可控源音频大地电磁法 富水区 煤矿 

分 类 号：P631[天文地球—地质矿产勘探]