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Stress-dependent elastic properties of shales: measurement and modeling

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Authors
Pervukhina, M.
Gurevich, Boris
Kuila, U.
Siggins, T.
Raven, M.
Bolas, H.
Dewhurst, D
Date
2008
Type
Journal Article

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Pervukhina, Marina and Gurevich, Boris and Kuila, Utpalendu and Siggins, Tony and Raven, Mark and Bolas, Hege and Dewhurst, D. 2008. Stress-dependent elastic properties of shales: measurement and modeling. The Leading Edge. 27 (6): pp. 772-779.
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The Leading Edge
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Department of Exploration Geophysics
Faculty of Science and Engineering
The Western Australian School of Mines
Remarks

Published by the Society of Exploration Geophysicists.

Published by the Society of Exploration Geophysicists.

The link to the journal’s home page is: http://www.segdl.org/tle

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Abstract

Despite decades of research, current understanding of elastic properties of shales is insufficient as it is based on a limited number of observations caused by the time-consuming nature of testing resulting from their low permeability. Though it is well known that shales are highly anisotropic and assumed to be transversely isotropic (TI) media, few laboratory experiments have been carried out for measuring the five elastic constants that define TI media on well-preserved shales. Many previous measurements were made without control of pore pressure, which is crucial for the determination of shale elastic properties.