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聚合物溶液流变特性试验研究

石油钻采工艺

1997年 19卷第2期

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Title

TESTING AND STUDYING ON RHEOLOGY OF POLYMER SOLUTION

作者

李福军曹广胜夏惠芬王德喜

Authors

Li Fujun Cao Guangsheng Wang Dexi Xia Huifen

单位

大庆石油学院大庆石油管理局采油六厂

摘要

在对矿场实际应用的分子量为1700万的聚合物溶液进行流变性试验的基础上,通过对试验数据进行回归分析,验证了在单井注入量小于500m3/d的条件下,聚合物溶液的流变特性符合幂律流体的拟塑性流变模式;同时,分析了聚合物溶液浓度对其流变特性的影响,描述了聚合物溶液表现粘度、流性指数n和稠度系数K随聚合物溶液浓度的变化规律。

Abstract

The polymer solution was verified based on the analysis of testing data of rheology of polymer solution, whose molecular weight is 17 millions, which has pseudoplastic rheological behavior of power-law fluid when the injection rate of individual well is smaller than 500 m3/d. The effect of concentration was analyzed on the rheological behavior of polymer solution. The variable laws of apparent viscosity, fluid index n, and consistency coefficient k was described with concentration of polymer solution.

关键词：

聚合物溶液; 幂律流体; 流变模式; 流变性; 表观粘度; 流动特性;

Keywords:

polymer solution; power-law fluid; rheological moded; rheology; apparent viscosity; flow property;

基金项目

DOI

10.3969/j.issn.1000-7393.1997.02.017