新疆石油地质

新疆石油地质 ›› 1998, Vol. 19 ›› Issue (4): 336-337.

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用扫描电镜评价高孔渗砂岩储集性能的新方法

杨辉, 金江超, 魏广振   

  1. 石油大学应用物理系 山东东营 257062
  • 收稿日期:1997-12-22 出版日期:1998-08-01 发布日期:2020-09-19
  • 作者简介:杨辉:助理工程师 石油地质

A NEW METHOD FOR EVALUATING THE RESERVOIR QUALITY OF HIGH-POROSITY AND HIGH-PERMEABILITY SANDSTONE RESERVOIR WITH SEM

Yang Hui, Jin Jiangchao, Wei Guangzhen   

  1. Applied Physics Department, University of Petroleum, Dongying, Shandong 257062
  • Received:1997-12-22 Online:1998-08-01 Published:2020-09-19
  • About author:Yang Hui, Assistant Engineer, Petroleum Geology

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摘要： 通过建立砂岩孔隙喉道的平面模型, 利用扫描电子显微镜的图象处理得到的孔隙直径、喉道宽度、面孔率等数据,推导出表征砂岩储集性能的“视渗透率”公式;实验得到的视渗透率数据与渗透率具有较好的相关性。

关键词: 电镜扫描, 评价, 方法, 砂岩, 储集层, 孔隙度, 渗透率

Abstract: Based on the plane model of pore-throat of sandstone and pore diameter, throat width and percentage pore area from image processing of scanning electric microscope(SEM), apparent permeability formula for characterizing sandstone reservoir quali ty was derived.The calculation were correlates well with true permeability.

Key words: Electric microcopic scanning, Evaluation, Method, Sandstone, Reservoir, Porosity, Permeability