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Permanent link (DOI): https://doi.org/10.7939/R3SG8V

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Steam Assisted Gravity Drainage (SAGD):Influence of Geomechanical Processes on Absolute Permeability Open Access

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Other title
Subject/Keyword
Influence of Geomechanical Processes on Absolute Permeability
Steam Assisted Gravity Drainage
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Ben Abdallah, Kais
Supervisor and department
Dr. R. J. Chalaturnyk (Department of Civil and Environmental Engineering)/Dr. J. Leung (Department of Civil and Environmental Engineering)
Examining committee member and department
Dr. Huazhou (Andy) Li (Department of Civil and Environmental Engineering)/
Dr. R. J. Chalaturnyk (Department of Civil and Environmental Engineering)
Dr. J. Leung (Department of Civil and Environmental Engineering)
Department
Department of Civil and Environmental Engineering
Specialization
Petroleum Engineering
Date accepted
2013-09-27T20:30:13Z
Graduation date
2013-11
Degree
Master of Science
Degree level
Master's
Abstract
Alberta is recognized by its vast oil sands reserves. The applications of established thermal processes, such as SAGD, are commonly required to achieve economic hydrocarbon recovery. Steam injection causes pore pressure and temperature changes that influence the reservoir geomechanical properties with a related impact on flow properties such as absolute permeability. Drained triaxial compression tests were conducted to investigate the impact of SAGD on the petrophysical properties of unconsolidated sands at low stress conditions. The testing program included stress-strain and permeability tests run under two main stress paths: isotropic compression and triaxial compression. Isotropic compression produced small magnitude changes in absolute permeability while triaxial compression test resulted in a substantial increase of permeability. In general, lower permeability gain was reported at higher level of effective confining pressure. An empirical correlation linking absolute permeability to effective confining stress and volumetric strain change was developed for use in reservoir geomechanical simulations.
Language
English
DOI
doi:10.7939/R3SG8V
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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