Lithologic Reservoirs ›› 2015, Vol. 27 ›› Issue (5): 87-92.doi: 10.3969/j.issn.1673-8926.2015.05.014

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Application of multiple-point geostatistics method to structure modeling of alluvial fan

Wu Xiaojun1, Li Xiaomei1, Xie Dan1, Sun Guoqiang2   

  1.  1. Research Institute of Exploration and Development , PetroChina Xinjiang Oilfield Company , Karamay 834000 , Xinjiang , China ;2. Well Testing Company , CNPC West Drilling Engineering Company Ltd. , Karamay 834000 , Xinjiang , China
  • Online:2015-09-26 Published:2015-09-26

Abstract:

Through scaning training image, multiple-point geostatistics can obtain the correlation of multiple points and can well describe reservoir distribution form and regularity. It has better practicability than traditional two-point geostatistics that describe the correlation of two points with variogram. The paper introduced the algorithm theory of multiple-point geostatistics and applied this method in structure modeling of middle fan subfacies of alluvial fan of Lower Karamay Formation of a certain block in Karamay Oilfield. Through the algorithm, the 3D simulation result of structure modeling well performed the distributional pattern of the structure and touch relationship of all kinds of structures in horizontal and vertical.

Key words: reservoir characteristics, sedimentary microfacies, lower Minghuazhen Formation, Guantao Formation, Bohai Bay

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