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《Oil & Gas Geology》 2008-05
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Application of comprehensive geophysical methods in the research of the pre-Cenozoic residual basins in circum-Bohai Bay region

Hao Tianyao~1 Wu Jiansheng~2 Xu Ya~1 Wang Jialin~2 Song Haibin~1 Huang Song~1 Wang Zhenli1.Institute of Geology and Geophysics,Chinese Academy of Sciences,Beijing 100029,China;.Tongji University,Shanghai 200092,China  
Macro spatial distributioin of residual basins in the circum-Bohai Bay area and the characteristics of their residual thickness distribution are defined through peeling off the influences of the Cenozoic and deep base- ment and by adopting an integrated geophysical method.The method is mainly based on gravity and magnetic da- ta,and it takes data of high accuracy such as MT and shallow seismic data as the constraints and is realized through forward modeling and inversion.The residual basins in the area shows an‘E-W zonation’,with the su- perimposed area of the Cenozoic and Upper Paleozoic as the favorable target for the Pre-Cenozoic oil and gas ex- ploration.Ten favorable areas of the Pre-Cenozoic are also defined through combining the residual thicknesses of the basins and geological conditions for oil and gas accumulations.
【Fund】: 国家高技术研究发展计划(863)项目(2006AA09Z359);; 国家自然科学基金资助项目(40674046 40620140435);; 中国科学院知识创新重大工程项目(KZCX1-SW-18)
【CateGory Index】: P631
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