新疆石油地质 ›› 1998, Vol. 19 ›› Issue (4): 312-314.

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幂律流体在多孔介质中的剪切速率

王新海, 赵郭平   

  1. 江汉石油学院地质系 湖北荆州 434102
  • 收稿日期:1995-09-05 出版日期:1998-08-01 发布日期:2020-09-19
  • 作者简介:王新海:教授 油藏工程

SHEAR RATE OF POWER-LAW FLUID THROUGH POROUS MEDIA

Wang Xinhai, Zhao Guoping   

  1. Geology Department, Jianghan Petroleum Institute, Jinzhou, Hubei 434102
  • Received:1995-09-05 Online:1998-08-01 Published:2020-09-19
  • About author:Wang Xinhai, Professor, Reservoir Engineering

摘要: 针对幂律流体渗流, 导出了数均剪切速率、体均剪切速率与粘均剪切速率, 分析了一些剪切速率的物理意义。不同问题应使用不同的剪切速率式,对于聚合物驱数值模拟在计算聚合物溶液(水相)粘度时, 宜采用考虑渗透率降低的粘均剪切速率。

关键词: 幂律流体, 剪切速率, 多孔介质, 流变性, 聚合物, 驱油剂

Abstract: Numerical mean shear rate, volume mean shear rate and viscosity mean shear rate have been derived for power-law fluid flow through porous media.Physical meaning of some shear rate expressions has been analyzed.Different shear rate expressions should be used in different cases.Viscosity mean shear rate taking account of permeability reduction should be used in calculating viscosity of polymer solution(aqueous phase)for numerical simulation of polymer flooding.

Key words: Power-law fluid, Shear rate, Porous media, Rheological behavior, Polymer, Oil displacement agent