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The Application of Statistical Fractals to Describing the Reservoir Heterogeneity

WANG Qian1,2, WU Zhi-fang3, ZHANG Han-quan4, MO Xiu-wen5   

  1. 1. School of Resource and Information Technology,University of Petroleum,China, Beijing 102249,China;2. Northeast SubEngineering and Technology Institute,Sinopec,Urumqi 830011,China;3.Zhongkai University of Agriculture and Technology, Guangzhou 520225,China;4. Guangzhou Marine Geological Survey, Guangzhou 510760,China;5. College of GeoExploration Science and Technology, Jilin University, Changchun 130026,China
  • Received:2004-07-20 Revised:1900-01-01 Online:2005-05-26 Published:2005-05-26
  • Contact: WANG Qian

Abstract: The characters of heterogeneity widely exist in shaly sand, carbonate and igneous reservoirs. It is difficult to accurately characterize the parameter distribution through conventional linear methods. On the basis of detailed analyzing the characters of shaly sand reservoir heterogeneity, the authors describe the space distribution of parameters such as density and acoustic time difference by combining fractals with Kriging. By interpolation between two wells the pseudo logs are derived and they are in good accordance with the real log value. Under the suitable well distribution, the statistical fractals can describe the reservoir heterogeneity satisfactorily.

Key words: reservoir, heterogeneity, statistical fractals

CLC Number: 

  • P618.130
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