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Systematic pore-scale study of low salinity recovery from Berea sandstone analyzed by micro-CT

Shabaninejad, Mehdi; Middlelton, Jill; Fogden, Andrew


The low salinity effect in clay-rich outcrop sandstones is probed by micro-CT imaging and analysis. A set of eight Berea sandstone mini-plugs underwent primary drainage and aging in crude oil to a mixed-wet state, followed by spontaneous imbibition of high and low salinity brines and imaging of this sequence of prepared starting and endpoint states. Tomogram registration and analysis were used to determine the salinity-induced changes in oil volume, oil/rock and oil/brine interfacial areas, and...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Journal article
Source: Journal of Petroleum Science and Engineering
DOI: 10.1016/j.petrol.2017.12.072
Access Rights: Open Access


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