Rheological properties of polymer-gel drilling fluids at high temperature and pressure

被引：0
|
作者：
Hai Bu
Jinsheng Sun
Chengbiao Wang
Ping Bu
机构：
[1] School of Engineering & Technology in China University of Geosciences,Research Institute of Drilling Engineering
[2] CNPC,undefined
[3] School of Business Administration in China University of Petroleum,undefined
来源：
Chemistry and Technology of Fuels and Oils | 2013年 / 48卷
关键词：
drilling fluids; water-soluble polymer; rheological model; apparent viscosity; multivariate statistics;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Free-radical polymerization in solution was used to synthesize a terpolymer consisting of acrylamide, 2-acrylamido-2-methylpropanesulfonic acid, and styrene sulfonate. Drilling fluids based on the terpolymer were prepared for use in high-temperature and high-pressure wells. The rheological properties of the drilling fluids based on the terpolymer were analyzed by the regression method. We found that the rheological properties of the drilling fluids at high temperature and high pressure can be described by the Casson model. A mathematical model is proposed for predicting the downhole viscosity of drilling fluids containing the terpolymer at high temperature and high pressure.
引用
收藏
页码：449 / 458
页数：9
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