聚合物驱数学模型的若干问题

doi:10.7623/syxb201105018

石油学报 ›› 2011, Vol. 32 ›› Issue (5): 857-861.DOI: 10.7623/syxb201105018

聚合物驱数学模型的若干问题

王敬 1 刘慧卿 1 汪超锋 2 庞海洋 2

1中国石油大学石油工程教育部重点实验室北京 102249； 2中国石油长城钻探公司辽宁盘锦 124010

收稿日期:2010-12-18 修回日期:2011-05-07 出版日期:2011-09-25 发布日期:2011-11-28
通讯作者: 王敬
作者简介:王敬，男，1985年10月生，2008年毕业于中国石油大学（华东），现为中国石油大学(北京)油气田开发专业在读博士研究生，主要从事油藏渗流机理等方面研究。
基金资助:
国家科技重大专项（2008ZX05024-002-012和2008ZX05011-004）资助。

Discussions on some problems about the mathematical model of polymer flooding

WANG Jing 1 LIU Huiqing 1 WANG Chaofeng 2 PANG Haiyang 2

Received:2010-12-18 Revised:2011-05-07 Online:2011-09-25 Published:2011-11-28

摘要/Abstract

摘要：

随着聚合物驱理论、油田开发技术和化学工艺的发展，现有的聚合物驱数学模型在油藏开发模拟过程中暴露出一些问题，如驱油体系流变特性、渗流特性、物理化学特性，聚合物驱提高采收率机理、开发效果，原油物性，模拟计算等。依据渗流力学、物理化学、提高采收率及物理模拟实验理论讨论了现有聚合物驱数学模型在质量守恒方程、驱油体系表观黏度模型、聚合物驱残余油饱和度模型、水相渗透率下降系数、可及孔隙体积以及原油黏度模型中存在的问题，并提出了相应的解决方法和改进的模型。

关键词: 聚合物驱, 数学模型, 质量守恒方程, 表观黏度, 残余油饱和度, 渗透率下降系数, 可及孔隙体积, 黏弹性稠油

Abstract:

With advances in the polymer flooding theory, reservoir development technology and chemical techniques, current polymer flooding mathematical models have encountered some problems during the simulation process of reservoir development, such as rheological behaviors, seepage features and physicochemical characteristics of the flooding system, EOR mechanism and development effect of polymer flooding, oil properties, analog calculation, etc.. Based on theories of seepage mechanics, physical chemistry, EOR and physical simulation experiments, we discussed some problems as current polymer flooding mathematical models were applied, which included the mass conservation equation, apparent viscosity model of the flooding system, residual-oil saturation model of polymer flooding, descending factor of water-phase permeability, accessible pore volume and crude viscosity model. Some relevant ways to solve problems and improve models were proposed, and they are expected to be of guiding importance in accurately and reasonably stimulating polymer flooding development techniques.

Key words: polymer flooding, mathematical model, mass conservation equation, apparent viscosity, residual-oil saturation, descending factor of permeability, accessible pore volume, viscoelastic heavy oil

王敬刘慧卿汪超锋庞海洋. 聚合物驱数学模型的若干问题[J]. 石油学报, 2011, 32(5): 857-861.

WANG Jing LIU Huiqing WANG Chaofeng PANG Haiyang. Discussions on some problems about the mathematical model of polymer flooding[J]. Editorial office of ACTA PETROLEI SINICA, 2011, 32(5): 857-861.

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聚合物驱数学模型的若干问题

Discussions on some problems about the mathematical model of polymer flooding

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