天然气勘探

共等值线抽道集叠加识别油气水界面方法及其应用

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  • 中国矿业大学北京地球科学与测绘工程学院,北京 100083
赵争光(1988-),男, 山东枣庄人,硕士研究生,主要从事地震资料解释、地震波反演方法、微地震信号处理和非常规资源评价等研究.E-mail:15901022762@163.com.

收稿日期: 2012-11-08

  修回日期: 2013-03-15

  网络出版日期: 2013-08-10

基金资助

国家科技重大专项(编号:2008ZX05023-005-014);中央高校基本科研业务费项目(编号:2012YD01)联合资助.

Method for Pinpointing the Contacts of Oil,Gas and Water by Common Contour Binning Stacking and Its Application

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  • School of Geoscience and Surveying Engineering,China University of Mining and Technology,Beijing 100083,China

Received date: 2012-11-08

  Revised date: 2013-03-15

  Online published: 2013-08-10

摘要

针对在地震剖面上难以识别无显著地震振幅响应的油气水界面这一问题,阐述了解决此难点的共等值线抽道集叠加技术识别油气水界面方法及其应用前提。它基于三维地震波形叠加,通过叠加油气效应,放大由流体变化产生的振幅变化,识别出无显著地震响应的油气水界面。应用此方法,分别识别出具有“平点”的背斜气藏和无“平点”的构造—岩性复合圈闭背斜气藏的油气水界面。对此技术应用效果讨论并总结出共等值线抽道集叠加方法的应用前提。

本文引用格式

赵争光,杨瑞召,马彦龙,邵建欣,刘微,文小龙,王依川 . 共等值线抽道集叠加识别油气水界面方法及其应用[J]. 天然气地球科学, 2013 , 24(4) : 808 -814 . DOI: 10.11764/j.issn.1672-1926.2013.04.808

Abstract

Considering the difficulty of identifying fluid contacts on seismic profiles which have no significant fluid responses,the method and application prerequisites of Common Contour Binning Stacking Technique for Pinpointing Gas-Water,Gas-Oil and Oil-Water Contacts,which is able to tackle the problem mentioned above,was introduced.Common Contour Binning Stacking Method is based on 3D seismic waveform stacking and enhances the amplitude variances resulted from fluid type change in order to identify the fluid contacts which have no significant seismic responses.Through this method,the fluid contacts of anticline gas reservoir which has “flat spot” and structural-lithological trap reservoir that has no “flat spot” have been identified.The application results and effectiveness of Common Contour Binning Stacking Method have been discussed and the application prerequisites have also been summarized.

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