摘要
将广域电磁法应用于湘西龙山地区的碳质页岩探测,揭示了该区碳质页岩的含碳量较高,相对上、下地层显示为低阻的特征。采用自主研发的"重磁电三维反演成像解释一体化系统"进行广域电磁法数据处理,获得了地下电性体真实的电阻率特征,基本查明龙山地区碳质泥页岩层位的电性分布规律。表明广域电磁法是获取碳质页岩分布范围和埋深的有效探测手段。
Wide field electromagnetic method was applied for carbonaceous shale exploration in Hunan province,China.The carbonaceous shale shows as low resistivity because of its high carbon content.Our own developed '3D gravity-magnetic-electromagnetic integrated inversion,imaging,and interpretation system'is used to process and interpret these data.Underground resistivity characteristics of carbonaceous shale are obtained,and electrical distribution patterns are identified.The results show that the wide field electromagnetic method is effective for carbonaceous shale distribution detection.
出处
《石油地球物理勘探》
EI
CSCD
北大核心
2014年第5期1006-1012,824,共7页
Oil Geophysical Prospecting
基金
国家自然科学基金项目(40827002
41204054)
中国博士后科学基金(20110490149)联合资助
关键词
页岩气
广域电磁法
电阻率
shale gas,wide field electromagnetic method,resistivity,exploration
