Quality Assessment of Oil that Difficult to Recover Based on Fuzzy Clustering and Statistical Analysis

  • M. K. KarazhanovaEmail author
  • L. B. Zhetekova
  • K. K. Aghayeva
Conference paper
Part of the Advances in Intelligent Systems and Computing book series (AISC, volume 1095)


Based on the analysis and generalization of literature data, results of the classification of difficult to recover oil selected from Uzen, Zhetibay, Kalamkas, Karakudyk and Karamandybas oil fields of Kazakhstan using fuzzy cluster analysis are presented. Classification of types of difficult to recover oil is considered according to a set of features, including content of sulfur, chlorides, oil density, oil viscosity, permeability of occurrence conditions. Analysis of the classification results of difficult to recover reserves was performed, which showed the need to divide the total sample (set) into homogeneous groups according to a set of classification criteria, for which fuzzy cluster analysis is most suitable. A parameter characterizing the quality of oil is proposed.


Hard-to-extract reserves Sulfur Chlorides Viscosity Oil density Quality indicator 


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© Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.Caspian State University of Technology and Engineering named after Sh. YessenovAktauRepublic of Kazakhstan
  2. 2.Oil and Gas Institute of Azerbaijan National Academy of SciencesBakuAzerbaijan

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