2016
DOI: 10.2516/ogst/2016007
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Experimental Measurements and Multi-Scale Modeling of the Relative Gas Permeability of a Caprock

Abstract: -An experimental characterisation of a low permeability caprock is first reported. Two different methods are compared to measure the porosity: water imbibition and weighting versus gas (Argon) pycnometry. Water measured porosities appear to systematically underestimate gas measured porosities. A capillary pressure curve is derived from successive equilibrium of samples at imposed relative humidities. The relative gas permeability is thoroughly measured on the same samples. Gas porosity and effective gas permea… Show more

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