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Local diffusion coefficient measurements in shale using dynamic micro-computed tomography

Zhang, Y X; Mostaghimi, Peyman; Fogden, Andrew; Middleton, Jill; Sheppard, Adrian; Armstrong, Ryan


Diffusion is an important mass transport mechanism in ultra-low permeability shale matrix and thus, characterization of shale diffusivity is of practical necessity for shale gas developments. We present a novel method for measuring bulk and local diffusion coefficients of shale core-plugs using dynamic X-ray micro-computed tomography (micro-CT). Liquid diffusion experiments are conducted on a centimeter-scale shale core and a series of time-sequenced 3D micro-CT images are acquired through...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Journal article
Source: Fuel
DOI: 10.1016/j.fuel.2017.06.050


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