Journal
EUROPEAN GEOSCIENCES UNION GENERAL ASSEMBLY 2013, EGUDIVISION ENERGY, RESOURCES & THE ENVIRONMENT, ERE
Volume 40, Issue -, Pages 25-33Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.egypro.2013.08.004
Keywords
Hydrogen storage; siliciclastic sediments; reservoir and sealing rocks; bio-geo interaction; laboratory experiments; numerical simulation; analogue study
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The H2STORE collaborative project investigates potential geohydraulic, petrophysical, mineralogical, microbiological and geochemical interactions induced by the injection of hydrogen into depleted gas reservoirs and CO2- and town gas storage sites. In this context the University of Jena performs mineralogical and geochemical investigations on reservoir and cap rocks to evaluate the relevance of preferential sedimentological features, which will control fluid (hydrogen) pathways, thus provoking fluid-rock interactions and related variations in porosity and permeability. Thereby reservoir sand-and sealing mudstones of different composition, sampled from distinct depths (different: pressure/temperature conditions) of five German locations are analysed. In combination with laboratory experiments the results will enable the characterization of specific mineral reactions at different physico-chemical conditions and geological settings. (C) 2013 The Authors. Published by Elsevier Ltd.
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