非牛顿流体球形渗流的不定常压力动态  

Indeterminate dynamic atmospheric pressure of spherical percolation of non-Newtonian flow

作　　者：宋付权[1] 刘慈群[2] 

机构地区：[1]复旦大学力学与工程科学系,上海200433 [2]中科院渗流流体力学研究所,河北廊坊065007

出　　处：《特种油气藏》2001年第3期39-40,共2页Special Oil & Gas Reservoirs

摘　　要：用压力影响半径和平均质量守恒方法 ,研究具有屈服应力的幂律流体的球形不定常渗流。通过研究 ,得出具有屈服应力的幂律流体的球形不定常渗流近似解析解 ,绘制了非牛顿流体的启动压力梯度、幂律指数对井底压力曲线的影响图 ,并给出了几种简化条件下的球形不定常渗流公式。Radius affected by pressure and average mass conservation are utilized for studying spherical indeterminate percolation of power law fluid with yield stress. From the study, favorable conditions for well test analysis of spherical percolation in reservoir engineering achieved are as follows: approximate analytical solution, starting pressure gradient of non-Newtonian fluid and influence of power law exponent on bottomhole pressure curve, percolation formulae of spherical indeterminate percolation under several simple manner.

关 键 词：非牛顿流体 球形渗流 不定常渗流 试井分析 油藏 

分 类 号：TE312[石油与天然气工程—油气田开发工程]