航空高光谱遥感油气探测技术研究及应用效果

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英文篇名：Research on oil-gas exploration using airborne hyerspectral remote sensing and its application effect 作者：刘德长 ; 童勤龙 ; 李志忠 ; 赵英俊 ; 杨燕杰 ; 王茂芝 ; 谢涛 ; 叶发旺 ; 邱骏挺 ; 王子涛 英文作者：LIU Dechang;TONG Qinlong;LI Zhizhong;ZHAO Yingjun;YANG Yanjie;WANG Maozhi;XIE Tao;YE Fawang;QIU Junting;WANG Zitao;CNNC Beijing Research Institute of Uranium Geology,National Key Laboratory of Remote Sensing Information and Image AnalysisTechnology;Shenyang Geological Survey Center,China Geological Survey;Chengdu University of Technology-Geomathematics Key Laboratory of Sichuan Province;Meihang Remote Sensing Information Co.Ltd; 关键词：航空高光谱遥感 ; 油气探测示范区 ; 油页岩 ; 含油煤层 ; 油气渗漏 ; 探测效果 英文关键词：airborne hyperspectral remote sensing;;demonstration area for oil gas exploration;;oil shale;;oil bearing coal bed;;oil gas seepage;;exploration effect 中文刊名：DZXE 英文刊名：Acta Geologica Sinica 机构：中核集团核工业北京地质研究院遥感信息与图像分析技术国家级重点实验室;中国地质调查局沈阳地质调查中心;成都理工大学数学地质四川省重点实验室;西安煤航遥感信息有限公司; 出版日期：2019-01-15 出版单位：地质学报 年：2019 期：v.93 基金：中国地质调查局油气资源调查中心“准东—三塘胡—吐哈地区油气资源选区调查”(1211302108019-1)项目资助的成果资助的成果 语种：中文; 页：DZXE201901016 页数：13 CN：01 ISSN：11-1951/P 分类号：279-291

摘要

利用航空高光谱遥感技术探测油气已是一项近年来逐渐推广的新技术,也是当前遥感地质领域研究的前缘和热点。由于地表干扰因素复杂,信息真假识别困难,遥感探测油气的效果不甚理想。本文依托中国地质调查局油气资源调查中心的"油气资源选区调查"项目,利用CASI/SAAI/TASI航空成像系统,在新疆准噶尔盆地和伊犁盆地示范区获得的高空间分辨率高光谱遥感数据,开展了航空高光谱遥感的油气探测示范研究。笔者通过构建油气渗漏异常的光谱识别模型,借助油气渗漏异常的光谱曲线与干扰因素光谱曲线的对比和烃与蚀变矿物丰度值的消长关系,解决了油气渗漏异常信息提取中干扰因素的排除难题。同时,开发了适合油气信息提取的波段分类方法,并强调将油气地质知识,贯穿于信息提取的全过程,改变了以往只按已有程序处理,结合野外实际不够的倾向,从而有效地提升了航空高光谱油气探测的效果。经示范应用表明,航空高光谱遥感在油气探测中可以快速、大面积地提取油气信息,区分含油地层和非含油地层;提取油页岩和含油煤层,直观其展布特征和控制要素,分析其不同地段的含油丰度;提取油气渗漏异常,尤其是第四系覆盖区地质人员不易发现,而对油气勘查有重要价值的弱渗漏异常信息,圈定油气渗漏异常区。上述这些探测效果,正是油气资源调查、选区和评价需要掌握的重要信息。高光谱遥感探测油气的技术优势,是其它油气勘查手段无法替代的。因此,在油气资源调查和勘查中应充分发挥高光谱遥感的重要作用。
        Hyperspectral remote sensing techonogy,as the frontier and hot topic in the field of remote sensing geology,is gradually generalized in oil and gas exploration,but it hasn't gotten good effect because of complex interferences on ground surface,it is difficult to distinguish the real information.Hyperspectal remote sensing data with high spatial and spectral resolution have been collected in Junnggar Basin and Yili Basin,Xinjiang,using the CASI/SASI/TASI airborne hyperspectral imaging system.This study was supported by the project"Oil and gas resources survey"of Oil and Gas Resource Center,CGS.By means of establishing the spectral model of oil-gas seepage and comparing the spectra curves of oil-gas seepage and interferences,and the relationship between hydrocarbon and alteration minerals to solve the problem of eliminating the interferences when extracting the oil-gas seepage information.Meanwhile,one mapping method suited to oil and gas information extracting has been developed,it emphasizes that oil and gas geology knowledge should be run through the whole process of extracting,so it significantly improves the effect of oil-gas exploration using airborne hyperspectral remote sensing.Demonstration application indicates that it can extract oil and gas information with higher efficiency,and distinguish oil bearing formation and non-oil bearing formation.Furthermore,oil shale and oil bearing coal bed can be extracted,and the distribution characteristics and controlling factors also can be observed directly.Besides,it can extract anomaly information of oil gas seepage,especially in the quaternary coverage area,and delineate the anomaly area of oil gas seepage.Those effects described above are important information for oil and gas resources survey,favorable area selection and evaluation.The technical advantage of oil gas exploration using airborne hyperspectral remote sensing which can't be replaced by other methods can play an important role in oil gas resources survey and exploration.

引文

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