非牛顿流体的二相驱替问题

本文考虑非牛顿流体的二相驱替问题.假设石油是非牛顿流体,满足带有初始压力梯度的直线渗透定律,对于一维问题推导了孔隙介质以及裂缝-孔隙介质中水驱非牛顿石油问题的基本方程,并且求得了数值解.通过和牛顿流情况的比较,揭示了水驱非牛顿石油的基本规律.     

Two-phase displacement of non-newtonian fluid

This paper considers the problem of non-Newtonian oil displa-cement by water in porous media.adopting the linear permea-tion law with initial pressure gradient.For one-dimensionalflow,the basic equation of non-Newtonian oil displacement bywater in sandstone reservoirs and fractured reservoirs is de-rived and numerical solutions are obtained.The results arecompared with the corresponding ones for Newtonian oil dis-placement to show the essential characteristics of non-Newto-nian oil displacement by water.     

高速渗流的二相驱替问题在溶洞裂缝-孔隙介质中的应用

本文采用双重孔隙介质模型和非线性二项式渗透定律,对一维问题推导了溶洞裂缝-孔隙介质中二相驱替问题的基本方程,并采用特征线方法求得了数值解,通过和线性情况比较,揭示了非线性效应和溶洞裂缝-孔隙介质中水驱油的基本规律。