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Permanent link (DOI): https://doi.org/10.7939/R30000B1T

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BEHAVIOR OF SHALE CAPROCK UNDER EXPOSURE TO SUPERCRITICAL CO2 Open Access

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Other title
Subject/Keyword
Carbon Storage, Shale, Pemeability, Capillary Pressure, Batch Reaction
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Liu,Ming
Supervisor and department
Chalaturnyk, Rick (Department of Civil and Environmental Engineering)
Examining committee member and department
Hashisho, Zaher (Department of Civil and Environmental Engineering)
Department
Department of Civil and Environmental Engineering
Specialization
Geotechnical Engineering
Date accepted
2013-09-26T20:31:25Z
Graduation date
2013-11
Degree
Master of Science
Degree level
Master's
Abstract
Batch reaction tests were conducted on Lea Park shale from Pembina Cardium Field in Alberta to investigate geochemical alterations induced by exposing brine/CO2 mixtures at designed pressure and temperature. Dissolution of illite and growth of cluster-coating structures were observed on rock surface, all the cluster-coating structures disappears overtime followed by the precipitation of new clay mineral dominated material on the surface of work. Meanwhile, very low capillary entry pressure of 700KPa and ultra-low permeability of less than 1nD were measured for this caprock material which indicates that even though CO2 may easily penetrate into the caprock formation due to its low capillary entry pressure but it will be effectively be trapped due to its ultra-low permeability.
Language
English
DOI
doi:10.7939/R30000B1T
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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