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Ichnology, sedimentology, stratigraphy, and trace fossil-permeability relationships in the Upper Cretaceous Medicine Hat Member, Medicine Hat gas field, southeast Alberta, Canada Open Access

Descriptions

Other title
Subject/Keyword
ichnology
micro-CT
unconventional
stratigraphy
permeametry
sedimentology
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
La Croix, Andrew David
Supervisor and department
Pemberton, S. George (Earth and Atmospheric Sciences)
Gingras, Murray (Earth and Atmospheric Sciences)
Examining committee member and department
Gingras, Murray (Earth and Atmospheric Sciences)
Ranger, Mike (Earth and Atmospheric Sciences)
Proctor, Heather (Biological Sciences)
Pemberton, S. George (Earth and Atmospheric Sciences)
Department
Department of Earth and Atmospheric Sciences
Specialization

Date accepted
2010-07-09T14:53:39Z
Graduation date
2010-11
Degree
Master of Science
Degree level
Master's
Abstract
The Upper Cretaceous Medicine Hat Member (Niobrara Formation) in western Canada contains abundant reserves of biogenic natural gas. In the Medicine Hat gas field area of southeast Alberta, nineteen cored intervals were examined and classified based on primary physical and biogenic sedimentary structures. Core analysis and stratigraphic mapping determined that the Medicine Hat Member strata consist of stacked, regionally extensive, lobate geobodies that prograde to the north. Employing spot-minipermeametry, the effect of biogenic rock fabrics on the reservoir characteristics was assessed. X-ray micro-computed tomography was conducted on four samples from a reservoir interval to visualize the geometry and distribution of burrow-associated heterogeneity. The results demonstrate that planiform bioturbate textures locally enhance the storage and transmission of natural gas in Medicine Hat reservoirs.
Language
English
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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