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Permanent link (DOI): https://doi.org/10.7939/R3794130D

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Geomechanical Modeling of Rock Deformation and Associated Microseismicity Open Access

Descriptions

Other title
Subject/Keyword
bonded particle model
aseismic deformation
energy budget
brittle deformation
geomechanics
microseismicity
geomechanical modeling
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Chorney, Drew R
Supervisor and department
Currie, Claire (Physics)
van der Baan, Mirko (Physics)
Examining committee member and department
Heimpel, Moritz (Physics)
Currie, Claire (Physics)
Schmitt, Doug (Physics)
van der Baan, Mirko (Physics)
Department
Department of Physics
Specialization
Geophysics
Date accepted
2014-01-23T11:37:49Z
Graduation date
2014-06
Degree
Master of Science
Degree level
Master's
Abstract
Microseismicity monitoring is increasingly being used to asses in real time the effectiveness of hydraulic fracture treatments. As this tool continues to become more prevalent, questions regarding the observed microseismicity and the geomechanics are being asked. Often substantial differences are estimated between the total input energy inferred from fluid injection rates and the radiated energy observed from recorded seismicity. The injected energy is substantially larger than the estimated radiated seismic energy. Geomechanical modeling may be able to provide some insight. Using the Bonded Particle Model (BPM) logic sandstone core samples are modeled as the aggregation of thousands of bonded spherical particles. Uniaxial and tri-axial tests on these cylindrical sleeves reproduce the macroscopic properties of rock. A number of features of the models are analyzed with a strong emphasis on investigating the deformation of the samples and their associated energy budget.
Language
English
DOI
doi:10.7939/R3794130D
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
Chorney, D., Jain, P., Grob, M., van der Baan, M., 2012, Geomechanical modeling of rock fracturing and associated microseismicity, The Leading Edge

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