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A Laboratory Study of Aqueous Colloidal Gas Aphrons for Enhanced Oil Recovery Applications Open Access


Other title
Petroleum engineering
Enhanced oil recovery
Colloidal gas aphrons
Type of item
Degree grantor
University of Alberta
Author or creator
Samuel,Shivana R
Supervisor and department
Trivedi, Japan (Civil and Environmental Engineering)
Kuru, Ergun (Civil and Environmental Engineering)
Examining committee member and department
Kuru, Ergun (Civil and Environmental Engineering)
Choi, Phillip (Chemical and Materials Engineering)
Dehghanpour, Hassan (Civil and Environmental Engineering)
Trivedi, Japan (Civil and Environmental Engineering)
Department of Civil and Environmental Engineering
Petroleum Engineering
Date accepted
Graduation date
Master of Science
Degree level
Aqueous colloidal gas aphrons (CGAs) have previously been used as drilling fluids because of their pore blocking ability which significantly reduces formation damage. The aim of this study is to generate aqueous colloidal gas aphrons, to examine its stability and rheology as well as to investigate its suitability as an enhanced oil recovery fluid. Different polymers and surfactants were tested to create the most stable aphrons. To determine the optimum formulation; (aphron) bubble size over time, bubble size distribution over time and fluid rheology were examined. To determine the CGA fluid suitability for enhanced oil recovery applications, experiments were conducted using a visual cell and radial cell filled with porous media. Flooding experiments were performed using the CGA fluid as well as other comparable fluids. The pressure drop, total recovery data and breakthrough time were measured for both cells while time lapse images were taken for the visual cell.
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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