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储层微观参数对宏观参数影响的网络模拟研究 被引量:7

Network modeling of the influence of reservoir microscopic parameters on macroscopic parameters
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摘要 储层宏观参数是储层微观参数的宏观体现。以孔隙度、绝对渗透率、相对渗透率等宏观参数作为约束条件,拟合生成网络模拟模型,在此基础上讨论了孔喉半径、喉道半径均质系数、孔喉比、孔喉润湿性、孔喉形状和配位数等微观参数的变化对孔隙度、绝对渗透率和相对渗透率等宏观参数的影响。在影响因素敏感性分析的基础上,确定了引起储层宏观参数变化的主要微观影响因素。 In reservoir,the macro-parameters are the macro-reflection of micro-parameters.Network model is established according to the matching of micro-parameters including porosity,permeability and relative permeability.Based on network modeling,the influences of microscopic parameters such as pore-throat radius,homogeneity coefficient of throat radius,pore-throat radius aspect ratio,wettability,pore-throat shape and coordination number on macro-parameters such as porosity,absolute permeability and relative permeability are discussed.On the basis of the sensitivity analysis,the significant influential micro-parameters are determined.
出处 《计算力学学报》 EI CAS CSCD 北大核心 2011年第1期78-83,共6页 Chinese Journal of Computational Mechanics
基金 国家自然科学基金(10302021 10772200) 中国博士后科学基金(20080440058) 国家科技重大专项(2008ZX05011)资助项目
关键词 网络模拟 储层参数 宏观参数 微观参数 影响因素 network simulation reservoir parameter macroscopic parameter microscopic parameter influential factor
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