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• 天然气地质学 • 上一篇    下一篇

致密砂岩储层流动单元定量识别方法探讨

陈文浩1,2，王志章1,2，潘潞4，李汉林3，侯加根1,2   

  1. 1.中国石油大学(北京)地球科学学院， 北京 102249 ；
    2.中国石油大学(北京)油气资源与探测国家重点实验室，北京 102249；
    3.中国石油大学(华东)地球科学与技术学院，山东 青岛 266580；
    4.中国石油化工股份有限公司上海海洋油气分公司勘探开发研究院,上海 200120
  • 收稿日期:2015-06-30 修回日期:2015-09-29 出版日期:2016-05-10 发布日期:2016-05-10
  • 作者简介:陈文浩(1985-)，男，湖北天门人，博士研究生，主要从事开发地质研究. E-mail:418220216@qq.com.
  • 基金资助:
    国家科技重大专项课题“鄂尔多斯盆地大牛地致密低渗气田勘探开发示范工程”(编号：2011ZX05045)；国家十二五科技重大专项(编号：2011ZX05008-004)联合资助.

Discussions on flow unit quantitative identification methodology in tight sandstone reservoirs

Chen Wen-hao1,2，Wang Zhi-zhang1,2，Pan Lu4，Li Han-lin3，Hou Jia-gen1,2   

  1. 1.College of Geosciences，China University of Petroleum,Beijing 102249,China；
    2.State Key Laboratory of Petroleum Resources and Prospecting,China University of Petroleum,Beijing 102249,China;
    3.College of Geosciences and Technology，China University of Petroleum,Qingdao 266580,China;
    4.Institute of Exploration and Development SINOPEC Shanghai Offshore Oil and Gas Company,Shanghai 200120,China
  • Received:2015-06-30 Revised:2015-09-29 Online:2016-05-10 Published:2016-05-10

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摘要： 流行的流动单元识别指数FZI不适于识别非均质性强，孔喉结构复杂的致密砂岩储层流动单元。以大牛地致密气藏储层为例，采用基于岩石孔隙结构和渗流特征的流动单元识别指数FZIm识别效果较好。当胶结指数m不是常量1，而是一个变量时，它对孔隙结构与渗流特征的影响较大。当m为1时，FZIm与FZI相同，即FZI仅是FZIm的特例。研究认为FZIm既适用于常规均质砂岩，也适于致密砂岩储层流动单元的识别。对未测m的流动单元，用本文介绍的预测方法预测m后，即可据FZIm对流动单元进行识别

关键词: 致密砂岩储层, 流动单元, 胶结指数, Kozeny-Carman方程

Abstract: Popular flow zone index FZI is not suitable for strong heterogeneity and complex pore throat structure reservoir flow units identification of tight sandstone reservoir.Taking Daniudi tight gas reservoir as an example,introducing the cementation exponent m which reflects the rock pore structure into improved Kozeny-Carman equation to calculate FZIm,the recognition results were satisfying.When m is not constant of 1,but a variable,it has bigger influence on the pore structure and seepage characteristics.If m=1,FZIm equates FZI,FZI is only special case of FZIm.Research suggests that FZIm is not only suitable for conventional homogeneous sandstone,but also for the recognition of tight sandstone reservoir flow unit.For sand sample without cementation exponent,using the method that introduced in this paper to predict m,we could get FZIm for flow unit identification.

Key words: Tight sand reservoir, Flow unit, Cementation exponent, Kozeny-Carman equation

中图分类号: 

  • TE122.2+4

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