基于时频电磁法的冀中坳陷油气藏勘探调查
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摘要
将时频电磁法应用于冀中坳陷潜山型油气藏调查中,通过分析潜山油气藏的电磁特性以及岩芯测试结果,总结出潜山带上层油气藏的电磁异常特征为高极化率、低电阻率;潜山内部油气藏的异常特征为高极化率、高电阻率。依据异常参数,在牛驼镇凸起地区划分了2-1,3-1,5-1,5-2和9-1,5个潜山含油气有利区,与现有钻探数据基本吻合。
Time-frequency electromagnetic method is applied to the investigation of buried hill oil and gas reservoirs in Jizhong depression.Based on the analysis of the electromagnetic properties and the core test results of the buried hill reservoir,it is concluded that the electromagnetic anomalies of the upper reservoirs are with high polarizability and low resistivity,whereas the anomalies of the reservoirs within the buried hill are with high polarizability and high resistivity.According to the abnormal parameters,five buried-hill petroliferous regions are identified in the upwelling areas in Niutuo town,which are 2-1,3-1,5-1,5-2 and 9-1 respectively.The results are approximately consistent with the existing drilling data.
Time-frequency electromagnetic method is applied to the investigation of buried hill oil and gas reservoirs in Jizhong depression.Based on the analysis of the electromagnetic properties and the core test results of the buried hill reservoir,it is concluded that the electromagnetic anomalies of the upper reservoirs are with high polarizability and low resistivity,whereas the anomalies of the reservoirs within the buried hill are with high polarizability and high resistivity.According to the abnormal parameters,five buried-hill petroliferous regions are identified in the upwelling areas in Niutuo town,which are 2-1,3-1,5-1,5-2 and 9-1 respectively.The results are approximately consistent with the existing drilling data.
引文
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[12]张春贺,刘雪军,贺兰芳,等.基于时频电磁法的富有机质页岩层系勘探研究[J].地球物理学报.2013,56(9):3173-3183.ZHANG Chun-he,LIU Xue-jun,HE Lan-fang,et al.A study of exploration organic rich shales using TimeFrequency Electromagnetic Method(TFEM)[J].Chinese Journal of Geophysics,2013,56(9):3173-3183.
[2]张婷婷,遇运良,王欢.变换构造与油气藏关系:以彰武断陷为例[J].世界地质,2015,34(3):752-759.ZHANG Ting-ting,YU Yun-liang,WANG Huan.Relationship of transition structures with hydrocarbon reservoirs:a case study in Zhangwu fault depression.[J].Global Geology,2015,34(3):752-759.
[3]梁苏娟.冀中坳陷晚新生代地质构造特征及其油气赋存:博士学位论文[D].兰州:西北大学,2001.LIANG Su-juan.The characteristics of tectonics and hydrocarbon accumulation of Jizhong depression in Late Cenozoic era:doctor's degree thesis[D].Lanzhou:Northwest University,2001.
[4]高长海,张新征,查明,等.冀中坳陷潜山油气藏特征[J].岩石油气藏,2013,23(6):6-12.GAO Chang-hai,ZHANG Xin-zheng,ZHA Ming,et al.Characteristics of buried hill reservoir in Jizhong depression[J].Lithologic Reservoirs,2013,23(6):6-12.
[5]高妍.时频电磁法探测古潜山内幕油气的应用研究:博士学位论文[D].成都:成都理工大学,2014.GAO Yan.The application of using TFEM method to detect the reservoir targets in burie-hills of DCH uplift and the best research:doctor's degree thesis[D].Chengdu:Chengdu University of Technology,2014.
[6]孙志华,付吉林,杨书江,等.时频电磁法勘探在尼日尔A区块的应用效果[J].石油地球物理勘探,2012,47(增刊1):147-151.SUN Zhi-hua,FU Ji-lin,YANG Shu-jiang,et al.TFEM application in the Block A,Niger[J].Oil Geophysical Prospecting,2012,47(Suppl.1):147-151.
[7]刘雪军,何展翔,张春贺.时频电磁技术在油气圈闭评价中的应用[C]//中国地球物理学会2014年中国地球科学联合学术年会大会报告(二),北京,2014:1736-1739.LIU Xue-jun,HE Zhan-xiang,ZHANG Chun-he.The application of time-frequency electromagnetic method in hydrocarbon trap assessment[C]//Chinese Geophysical Society,2014 Annual Meeting Reports of Chinese Geoscience Union,Beijing,2014:1736-1739.
[8]高妍,沈金松,何展翔,等.TFEM探测JZ地区潜山内幕目标的模拟及试验[J].石油地球物理勘探.2015,50(6):1207-1212.GAO Yan,SHEN Jin-song,HE Zhan-xiang,et al.Target detection simulation and experiments in buried hills with TFEM method[J].Oil Geophysical Prospecting.2015,50(6):1207-1214.
[9]李燕丽,金凤鸣,魏强,等.时频电磁法在冀中坳陷潜山及潜山内幕油气预测中的应用[J].石油地球物理勘探,2016,51(增刊):137-143.LI Yan-li,JIN Feng-ming,WEI Qiang,et al.Application of time frequency electromagnetic method in the prediction of buried hill oil and gas reservoirs with buried hills in Jizhong depression oil[J].Geophysical Prospecting,2016,51(Suppl.):137-143.
[10]杜旭东,顾伟康,周开凤,等.低阻油气层成因分类和评价及识别[J].世界地质,2004,23(3):255-260.DU Xu-dong,GU Kang-wei,ZHOU Kai-feng,et al.Genetic classification,evaluation and identification of low resistivity pay zone[J].Global Geology,2004,23(3):255-260.
[11]高先志,吴伟涛,卢学军,等.冀中坳陷潜山内幕油气藏的多样性与成藏控制因素[J].中国石油大学学报(自然科学版),2011,35(3):31-35.GAO Xian-zhi,WU Wei-tao,LU Xue-jun,et al.Multiplicity of hydrocarbon reservoir and accumulation controlling factors within buried hills in Jizhong depression[J].Journal of China University of Petroleum(Edition of Natural Sciences),2011,35(3):31-35.
[12]张春贺,刘雪军,贺兰芳,等.基于时频电磁法的富有机质页岩层系勘探研究[J].地球物理学报.2013,56(9):3173-3183.ZHANG Chun-he,LIU Xue-jun,HE Lan-fang,et al.A study of exploration organic rich shales using TimeFrequency Electromagnetic Method(TFEM)[J].Chinese Journal of Geophysics,2013,56(9):3173-3183.
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