重庆科技学院学报（自然科学版）2018，Vol.20Issue(2)：35-38,4.
页岩气渗流机制数学表征及Knudsen扩散影响分析
Mathematical Characterization of Seepage Flow Mechanisms and Influence of Knudsen Diffusion in Shale Gas Reservoir
摘要
Abstract
Based on dual porosity medium,the kinematic equations of matrix and fracture are built. Viscosity flow, Knudsen diffusion and gas adsorption-diffusion in pore have been considered in matrix. Langmuir isothermal ad-sorption equation is also used to characterize adsorption and desorption of gas molecules in matrix pores. Mean-while,the influence of pore radius,pressure and temperature on mass flow is studied through mass flow rate formu-la of Knudsen diffusion.关键词
页岩气/渗流/Knudsen扩散/双重介质Key words
shale gas reservoir/seepage flow/Knudsen diffusion/dual porosity medium分类
能源科技引用本文复制引用
刘骞..页岩气渗流机制数学表征及Knudsen扩散影响分析[J].重庆科技学院学报（自然科学版）,2018,20(2):35-38,4.基金项目
国家科技重大专项"大型油气田及煤层气开发"子项目"四川盆地及周缘页岩气形成富集条件、选区评价技术与应用"(2017ZX05035004) （2017ZX05035004）
