MATHEMATICAL MODEL OF HYDROPHOBIC ASSOCIATING POLYMER FLOODING

doi:10.3863/j.issn.1000-2634.2007.06.043

西南石油大学学报(自然科学版) ›› 2007, Vol. 29 ›› Issue (6): 171-175.DOI: 10.3863/j.issn.1000-2634.2007.06.043

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MATHEMATICAL MODEL OF HYDROPHOBIC ASSOCIATING POLYMER FLOODING

YE Zhong-binHONG Chu-qiaoSHI Lei-tingZHANG ZhuoFANG Sheng-liang

1.State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation，Southwest Petroleum University，Chengdu Sichuan 610500，China；2.Southwest Petroleum University：a. School of Chemical and Chemistry Engineering，b.Graduate school，Chengdu Sichuan 610500，China；3.Department of tehcology CNOOC Ltd. Zhanjiang，Zhanjiang Guangdong 524057，China；4.Downhole Services Company of Tuha Oilfield，Hami Xinjiang 839009，china

Received:2006-08-30 Revised:1900-01-01 Online:2007-12-20 Published:2007-12-20
Contact: YE Zhong-bin

Abstract

Abstract:

In order to study the rules and dynamics of hydrophobic associating polymer flooding, a mathematical model of hydrophobic associating polymer flooding is built. Based on the laboratory research of hydrophobic associating polymer solution structure, lineshape system and polymer aggregate are jointly used to describe the property variation and flow characteristic of hydrophobic associating polymer solution in porous media. Water phase relative permeability reduction ability under different pore and permeability condition, inaccessible pore volume factor changing along with the porosity and permeability, the relationship between adsorptive retention and flow resistance force are taken into account in this model. The model is used to match the data of core flooding experiment. The simulation result is basically coincident with the core flooding experiment data. It shows that the mathematical model can describe the displacing performance of hydrophobic associating polymer solution effectively. It offers a research method and analytical tool for theoretical investigation and application of hydrophobic associating polymer flooding in the field.

Key words: hydrophobic associating polymer, aggregate, numerical simulation, mathematical model

CLC Number:

TE357.46

YE Zhong-bin HONG Chu-qiao SHI Lei-ting ZHANG Zhuo FANG Sheng-liang. MATHEMATICAL MODEL OF HYDROPHOBIC ASSOCIATING POLYMER FLOODING[J]. 西南石油大学学报(自然科学版), 2007, 29(6): 171-175.

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MATHEMATICAL MODEL OF HYDROPHOBIC ASSOCIATING POLYMER FLOODING

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