| The complex flooding of the twelve area of the block is seriously overlapped,and the plane and vertical heterogeneity is complex.In the experiment of three element compound flooding,it is necessary to find out the characteristics of the sand body plane and vertical distribution,to find out the connection between the sand bodies of the injection production wells and to take appropriate measures to improve the recovery rate of the I3 layer.This paper mainly adopts the method of multi-stage facies control modeling to carry on the 3D geological modeling of reservoir.The primary goal of using this method is to have a basis for.This paper first studies the 6 phase of the study area by plane layer deposition,strictly controlled frame accuracy;secondly draw well grid map with well data,as an important basis for 3D model test.In order to reflect the high precision modeling standards,this paper uses a flat grid unit of 2m * 2m,the pixel is as high as 247 thousand,and the average 0.1 m is the vertical sand body identification resolution.Comparative analysis of the truncated Gauss simulation,sequential indicator simulation and Kriging simulation of three different algorithms in the research area of application.The results show that the best application of indicator Kriging to research the sedimentary facies modeling simulation method of 3D rendering,conform to the expectations.The application of interactive phase modeling methods of the special causes of sedimentary microfacies(upper river,QiQiang river)to simulate the layer or cross layer.Comprehensive three-dimensional geological model and plane sedimentary facies and gridmap,evaluation and verification of 3D reservoir model,the results showed that the model of sedimentary microfacies sand body recognition accuracy,high precision,3D sedimentary microfacies volume distribution proportion is reasonable,with a high degree of model and wells grid map. |
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