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《Journal of Chongqing University of Science and Technology(Natural Sciences Edition)》 2017-04
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Influence Factors of Steam Channeling in Steam Huff and Puff Based on Optimized Orthogonal Experimental Analysis

ZHAO Meng;PANG Zhanxi;Petroleum Engineering Institute,China University of Petroleum;  
An optimization method of orthogonal experiment is adopted to study the influencing factors of steam huff and puff and channeling in two wells of the same area.After the first orthogonal test,the range order and corresponding horizontal value mean order of different influence factors are obtained.Based on the previous results,a renewed optimized orthogonal design can be formed to determine the influence degree of each factor.Rhythm distribution,average permeability,plane Geordie coefficient,plane well location,vertical permeability multiple,oil viscosity and effective thickness are chosen to be studied through investigation.3 levels of each factor are selected and L18(3~7) orthogonal experiment design table is formed.All the numerical simulation programs are carried out by the optimized orthogonal experimental design.According to the range analysis results,the order of influence degree of each factor on steam channeling can be determined and the significance of various factors on the impact of steam channeling can finally be judged by variance analysis.
【Key Words】: steam huff and puff steam channeling factor orthogonal experiment numerical simulation
【Fund】: 国家科技重大专项“海上稠油油田热采实施优化及应用研究”(2016ZX05058-001-008)
【CateGory Index】: TE357.44
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