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Application of grey system in structure modeling

ZHAN Ze-dong;GUO Ke;LI Zu-you;YAN Xiao-yong;FENG Song;College of Geophysics,Chengdu University of Technology;Key Laboratory of Geomathematics of Sichuan Province;Southwest Oil & Gas Company,SINOPEC;  
This paper explores the method and means of quantitative analysis about correlation of small layers to compensate the lack of the conventional and artificial correlation of small layers and make sure of the validity of the structure modelling.This paper researches the correlation of small layer by taking it as a grey system,simulates the human brain and creative thinking,applies the mathematical methods to conduct grey relational analysis,and uses the association degree as the quantitative analysis standard to establish the corresponding relation between mathematical operators and geological interpretation.The result shows that this method can realize the automatic connection of small layers quantitatively and prepare for the structure modelling better,and can detect the results of the division and correlation of small layers by hand and exclude abnormal small layers division.
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