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<datestamp>2018-01-11</datestamp>
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<title lang=en>Porosity and permeability changes in sedimentary rocks induced by injection of reactive fluid: A simulation model</title>
<creator>Sadhukhan, Supti</creator>
<creator>Gouze, Philippe</creator>
<creator>Dutta, Tapati</creator>
<contributor>Physics Department, Jogesh Chandra Choudhury College ; Université du Québec</contributor>
<contributor>Transferts en milieux poreux ; Géosciences Montpellier ; Université des Antilles et de la Guyane (UAG) - Institut national des sciences de l'Univers (INSU - CNRS) - Université de Montpellier (UM) - Centre National de la Recherche Scientifique (CNRS) - Université des Antilles et de la Guyane (UAG) - Institut national des sciences de l'Univers (INSU - CNRS) - Université de Montpellier (UM) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Physics Department, St. Xavier's College, Kolkata ; Université du Québec</contributor>
<description>International audience</description>
<source>ISSN: 0022-1694</source>
<source>Journal of Hydrology</source>
<publisher>Elsevier</publisher>
<identifier>hal-00757760</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00757760</identifier>
<source>https://hal.archives-ouvertes.fr/hal-00757760</source>
<source>Journal of Hydrology, Elsevier, 2012, 450-451, pp.134-139. 〈10.1016/j.jhydrol.2012.05.024〉</source>
<identifier>DOI : 10.1016/j.jhydrol.2012.05.024</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1016/j.jhydrol.2012.05.024</relation>
<language>en</language>
<subject lang=en>Reactive transport</subject>
<subject lang=en>Porosity</subject>
<subject lang=en>Permeability</subject>
<subject>[SDU.STU.GP] Sciences of the Universe [physics]/Earth Sciences/Geophysics [physics.geo-ph]</subject>
<subject>[PHYS.PHYS.PHYS-GEO-PH] Physics [physics]/Physics [physics]/Geophysics [physics.geo-ph]</subject>
<subject>[SDE.MCG] Environmental Sciences/Global Changes</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>Numerical programs for simulating flow and reactive transport in porous media is essential for predicting reservoir properties related to CO2 sequestration performance, subsurface storage and risk assessment. In this paper we solve the Navier Stokes' equation using finite difference method, on a simulated porous rock structure, to study the velocity distribution of fluid flowing through it under a constant pressure gradient. A reactive solute carried through the fluid is allowed to interact with the minerals in the rock. This chemical reaction dissolves the mineral which changes the rock structure thus affecting its flow properties. These changes of flow properties are studied with variation in reactive solute concentration and pressure field. The different mechanisms of dissolution responsible for the variation of flow properties for the different parameters is predicted. Before the onset of homogeneous dissolution, variation in porosity follows a power-law behaviour with change in permeability when the latter is scaled by the concentration of the reactive species. The simulation results are compared with available experimental data and found to give a reasonable match.</description>
<date>2012-07-11</date>
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