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Time-Lapsed Visualization and Characterization of Shale Diffusion Properties Using 4D X-ray Microcomputed Tomography

Zhang, Yulai; Mostaghimi, Peyman; Fogden, Andrew; Sheppard, Adrian; Arena, Alessio; Middleton, Jill; Armstrong, Ryan


Diffusion is an important mass transport mechanism in shale matrix, which usually has pore sizes ranging from molecular dimensions to micrometers. Better characterization of the diffusion properties is helpful in understanding the multiphysical mass transport process in shale. We present a method for measuring the local effective diffusivity of shale core plugs using four-dimensional (4D) X-ray microcomputed tomography (micro-CT). Liquid-liquid diffusion of X-ray-opaque CH2I2 from a Permian...[Show more]

CollectionsANU Research Publications
Date published: 2018
Type: Journal article
Source: Energy and Fuels
DOI: 10.1021/acs.energyfuels.7b03191


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