RESEARCH ARTICLE


Class II Reservoir Polymer Injection Parameters Impact on the Oil Displacement Efficiency



Wenchi Qu*, Kaoping Song, Jicheng Zhang
Petroleum Engineering Institute of Northeast Petroleum University, Daqing, P.R. China.

Article Information


Identifiers and Pagination:

Year: 2014
Volume: 7
First Page: 99
Last Page: 103
Publisher Id: TOPEJ-7-99
DOI: 10.2174/1874834101407010099

Article History:

Electronic publication date: 31/12/2014
Collection year: 2014

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© Qu et al.

open-access license: This is an open access article distributed under the terms of the Creative Commons Attribution 4.0 International Public License (CC-BY 4.0), a copy of which is available at: https://creativecommons.org/licenses/by/4.0/legalcode. This license permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

* Address correspondence to this author at the Petroleum Engineering Institute of Northeast Petroleum University, Daqing, P.R. China. Tel: 13936719188; E-mail: ziqiangbuxiaaa@163.com


Abstract

In this study, we analyzed the characteristics of the classⅡreservoirs and the application of the polymer flooding in Daqing oil field, and also discussed the effects of polymer flooding parameters on reservoir properties and displacement results by numerical simulation. Based on the conceptual model of sandstone reservoirs, we studied the effects of the concentration, viscosity, relative molecular mass of polymer, and the injection rate on the recovery of polymer flooding by single factor analysis. We found that the variation of these factors had obviously effects on the results of polymer flooding to a certain limit. In the process of discussion, we treated the parameters of polymer by linear regression to analyze the results of polymer flooding, which can provide some guidance for reservoir development.

Keywords: Class II reservoir, Polymer, Numerical simulation, Development, Rheological characteristic.