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Permanent link (DOI): https://doi.org/10.7939/R3R02F

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Experimental investigation of the effect of elasticity on the sweep efficiency in viscoelastic polymer flooding operations Open Access

Descriptions

Other title
Subject/Keyword
sweep efficiency
viscoelastic polymer flooding
elasticity
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Urbissinova, Tolkynay
Supervisor and department
Trivedi, Japan (Civil and Environmental Engineering)
Kuru, Ergun (Civil and Environmental Engineering)
Examining committee member and department
Trivedi, Japan (Civil and Environmental Engineering)
Choi, Phillip (Chemical and Materials Engineering)
Leung, Juliana (Civil and Environmental Engineering)
Kuru, Ergun (Civil and Environmental Engineering)
Department
Department of Civil and Environmental Engineering
Specialization

Date accepted
2010-09-14T15:42:20Z
Graduation date
2010-11
Degree
Master of Science
Degree level
Master's
Abstract
This study aims to investigate the effect of elastic properties of viscoelastic polymer solutions on the microscopic sweep efficiency in enhanced oil recovery (EOR) operations. The effect of elasticity was studied as isolated from the shear viscosity effect using polymer blends with identical shear viscosity behavior but different elastic characteristics. Oil displacement results were compared and the individual effect of elasticity on the sweep efficiency was investigated. A detailed rheological characterization of the polymer solutions was done to measure their viscoelastic properties. A series of polymer flooding experiments were performed using a radial core holder. Results of the experiments indicated that the sweep efficiency of a polymeric fluid could be effectively improved by adjusting the molecular weight distribution (MWD) of the solution at constant shear viscosity and polymer concentration. An attempt was made to find a rheological parameter of polymer solutions that correlates better with the resultant oil recovery.
Language
English
DOI
doi:10.7939/R3R02F
Rights
Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of these terms. The author reserves all other publication and other rights in association with the copyright in the thesis and, except as herein before provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
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