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Permanent link (DOI): https://doi.org/10.7939/R3ZQ62

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Influence of Geomechanical Processes on Relative Permeability Open Access

Descriptions

Other title
Subject/Keyword
Geomechanics
Shearing stress
Multiphase flow in porous media
Relative permeability
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Hamoud, Mohamed
Supervisor and department
Juliana, Leung (Civil and Environmental Engineering)
Richard, Chalaturnyk (Civil and Environmental Engineering)
Examining committee member and department
Hassan, Dehghanpour (Civil and Environmental Engineering)
Vinay, Prasad (Chemical and Materials)
Department
Department of Civil and Environmental Engineering
Specialization
Reservoir Engineering
Date accepted
2012-08-21T14:49:49Z
Graduation date
2012-11
Degree
Master of Science
Degree level
Master's
Abstract
Relative permeability curves represent an important element of special core analyses, but challenges remain in obtaining valid results and the extrapolation and use of existing permeability results is problematic. This situation is compounded in cases where core properties are altered from changes in effective stress. During the production of oil and gas reservoirs the effective stress changes as a result of changes in pore pressure or temperature. Therefore, changes in rock properties such as porosity and permeability will occur and will consequently influence reservoir performance calculations. A series of drained triaxial compression tests were conducted to investigate the behaviour of reconstituted specimen at low stress. Subsequently, relative permeability tests were performed, under steady state process, on different levels of strain. Our results showed that in two-phase flow, the initial oil relative permeability was more sensitive to the stress in comparison to the water one. This change was up to about 28%. Understanding the behaviour of relative permeability at different stresses is needed to provide reliable permeability data at different states of reservoir
Language
English
DOI
doi:10.7939/R3ZQ62
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.
Citation for previous publication
Hamoud, M., R.J. Chalaturnyk and J. Leung. 2012. Influence of Geomechanical Processes on Relative Permeability. Canadian Rock Mechanics Symposium, Edmonton, Alberta, May 5-9

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