石油与天然气地质 ›› 2008, Vol. 29 ›› Issue (5): 639-647.doi: 10.11743/ogg20080513

• 地球物理勘探 • 上一篇    下一篇

综合地球物理方法在环渤海残留盆地分布研究中的应用

郝天珧1, 吴健生2, 徐亚1, 王家林2, 宋海斌1, 黄松1, 王真理1   

  1. 1. 中国科学院 地质与地球物理研究所,北京 100029;
    2. 同济大学,上海 200092
  • 收稿日期:2008-08-18 出版日期:2008-10-24 发布日期:2012-01-16
  • 基金项目:

    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)

Application of comprehensive geophysical methods in the research of the pre-Cenozoic residual basins in circum-Bohai Bay region

Hao Tianyao1, Wu Jiansheng2, Xu Ya1, Wang Jialin2, Song Haibin1, Huang Song1, Wang Zhenli1   

  1. 1. Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China;
    2. Tongji University, Shanghai 200092, China
  • Received:2008-08-18 Online:2008-10-24 Published:2012-01-16

摘要:

采用以重、磁数据为主体,以大地电磁测深(MT)和浅部地震等高精度数据为约束,以正、反演技术为途径的综合地球物理研究方法,剥离新生界及深部地质体的影响,圈划出环渤海地区残留盆地的宏观分布,给出残余厚度的分布特征。环渤海地区残留盆地分布总体呈"东西分带"的特征,中生界与上古生界叠合区域为前新生代油气勘探有利区。结合残余厚度与油气条件,进一步圈划出10个前新生代油气资源有利区。

关键词: 残余厚度, 残留盆地, 前新生代, 环渤海, 综合地球物理方法

Abstract:

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 basement and by adopting an integrated geophysical method.The method is mainly based on gravity and magnetic data,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 superimposed area of the Cenozoic and Upper Paleozoic as the favorable target for the Pre-Cenozoic oil and gas exploration.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.

Key words: residual thickness, residual basin, Pre-Cenozoic, circum-Bohai Bay, integrated geophysical methods

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