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电磁资料在柴达木盆地东部地区石炭系勘探中的应用
投稿时间:2016/5/3    点此下载全文
引用本文:曾庆猛,刘成林,马寅生,张贵斌,毛智慧.电磁资料在柴达木盆地东部地区石炭系勘探中的应用[J].地质力学学报,2017,23(1):125-134
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作者单位
曾庆猛 中国地质科学院地质力学研究所, 北京 100081 
刘成林 中国地质科学院地质力学研究所, 北京 100081 
马寅生 中国地质科学院地质力学研究所, 北京 100081 
张贵斌 中海油田服务股份有限公司测井中心, 河北 廊坊 065201 
毛智慧 北京中油瑞飞信息技术有限公司, 北京 100007 
基金项目:中国地质调查局地质调查项目“柴达木盆地古生代油气资源调查评价”(1212011120964)
中文摘要:以柴达木盆地东部新采集的电磁资料为中心,同时以钻井、地震资料为约束,结合其他勘探资料、重力资料进行柴东地区石炭系综合研究、联合解释。研究过程中,首先对电磁资料进行了前期的预处理和反演,主要采用了-维Bostick反演、-维连续介质反演、二维共轭梯度反演、二维连续介质反演及最优化电性分层等反演技术;而后通过对电磁资料进行联合解释和综合研究,得出了柴达木盆地东部石炭系厚度图、石炭系埋深图等柴东地区综合研究成果;最后利用上述研究成果预测了柴达木盆地东部石炭系含油气有利区带,并且进-步针对柴达木盆地东部石炭系勘探提出了有意义的结论和建议。
中文关键词:柴达木盆地  石炭系  电磁勘探  地震勘探
 
ELECTROMAGNETIC DATA APPLICATION IN CARBONIFEROUS EXPLORATION OF EASTERN QAIDAM BASIN
Abstract:Carboniferous formation in the eastern Qaidam Basin belongs to a new area and new strata and lack of data on well and seismic, so processing and interpretation of electromagnetic data must be valued. New Electromagnetic data in eastern Qaidam Basin was used as the center, constrained with drilling and seismic data, and combined with other exploration data, gravity data to do comprehensive research and joint interpretation in this area. Firstly the electromagnetic data was pre-processing and inversed, mainly using the one-dimensional Bostick inversion, one-dimensional continuous medium inversion, two-dimensional conjugate gradient inversion, 2D continuous medium inversion and optimization of electric-layered inversion technique. Then the electromagnetic data and other data was comprehensively interpreted and researched, thus get some comprehensive research results such as Carboniferous thickness map, Carboniferous buried-depth map, so as to effectively predict the oil traps in eastern Qaidam Basin. At last, some conclusions and recommendations were advised in the Carboniferous exploration of Eastern Qaidam Basin.
keywords:Qaidam Basin  Carboniferous  Electromagnetic survey  Seismic exploration
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