ISSN 1004-4140
CN 11-3017/P
Volume 27 Issue 5
Oct.  2018
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LI Hai-tao, DENG Shao-gui, NIU Yun-feng, WANG Jian-xiang. Study on Pore Structure Classification of Low Porosity and Permeability Sandstone[J]. CT Theory and Applications, 2018, 27(5): 551-560. doi: 10.15953/j.1004-4140.2018.27.05.01
Citation: LI Hai-tao, DENG Shao-gui, NIU Yun-feng, WANG Jian-xiang. Study on Pore Structure Classification of Low Porosity and Permeability Sandstone[J]. CT Theory and Applications, 2018, 27(5): 551-560. doi: 10.15953/j.1004-4140.2018.27.05.01

Study on Pore Structure Classification of Low Porosity and Permeability Sandstone

doi: 10.15953/j.1004-4140.2018.27.05.01
  • Received Date: 2018-06-05
  • Publish Date: 2018-10-25
  • The pore structure of the low permeability sandstone reservoir is complex and has strong heterogeneity in two-dimensional and three-dimensional space, and it has a dramatic effect on logging response of reservoir. However, the mercury intrusion curves, NMR T2 spectrum and thin section three kinds of data each reflects the different characteristics of the pore structure in some way. In this paper, the microscopic pore structure parameters of three kinds of data were extracted for correlation analysis, finally, pore structure classification was achieved respectively by PCA-FCM, and the classification result is consistent with the mercury intrusion curve fractal method.

     

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