地球物理学进展 ›› 2011, Vol. 26 ›› Issue (4): 1227-1233.doi: 10.3969/j.issn.1004-2903.2011.04.013

• 应用地球物理 • 上一篇    下一篇

天然地震层析成像技术在油气勘探中的应用

乔德武1, 张春贺1, 李世臻1, 刘劲松2   

  1. 1. 国土资源部油气资源战略研究中心, 北京 100034;
    2. 中国科学院地质与地球物理研究所,北京 100029
  • 收稿日期:2011-02-15 修回日期:2011-05-20 出版日期:2011-08-20 发布日期:2011-08-20
  • 作者简介:乔德武,男,1954年生,研究员,1988年于中国地质科学院获得博士学位,从事构造地质及油气资源战略调查研究工作. E-mail:qiaodewu@263.net
  • 基金资助:

    国家油气专项《全国油气资源战略选区调查与评价》资助.

Exploration with application of passive seismic tomography

QIAO De-wu1, ZHANG Chun-he1, LI Shi-zhen1, LIU Jin-song2   

  1. 1. Strategic Research Center for Oil and Gas, Ministry of Land and Resources, Beijing 100034, China;
    2. Institute of Geology and Geophysics, Chinese Academy of Science, Beijing 100029,China
  • Received:2011-02-15 Revised:2011-05-20 Online:2011-08-20 Published:2011-08-20

摘要: 天然地震层析成像技术,主要是利用布设地震台阵记录天然地震事件体波到时信息,通过反演得到研究区域的三维速度结构分布.全国油气资源战略选区调查与评价项目在柴达木盆地西部复杂地区进行的天然地震层析成像试验结果表明,根据层析成像结果所推断的构造分布与其它方法的勘探结果相比具有一定的相似性,波速异常与测井得到的岩性特征有较好的对应关系.总体效果表明,该方法在地质构造复杂地区具有一定的有效性.

Abstract: Passive seismic tomography is a method that used P and S-wave travel times from natural micro-earthquakes to accurately estimate 3D Vp (structural) and Vp/Vs (lithologic) information of the subsurface. The tomographic results supported by The State Project of Strategic Area Survey and Evaluation for Oil and gas Resources at the geologically complex areas in western Qaidam Basin showed correlation with the geological features inferred from other geophysical prospecting and logging characteristics in the area. Results of this paper have demonstrated that the technique could be useful for similar geologically complex regions.

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