Air injection tests in two argillaceous rock formations: Experimental results and modelling

L. Gonzalez-Blanco, E. Romero, X. L. Li, X. Sillen, P. Marschall, C. Jommi

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

Abstract

Air flow through two argillaceous rock formations is investigated on the basis of laboratory work and its modelling to help in the interpretation of the results. Priority in the experimental program has been given to study the volume change response of these initially water saturated materials along relatively fast and controlled volume rate air injections. These high rates intend to give preference to single-phase air flow mechanisms associated with the opening of stress-dependent pathways. Particular attention has been focused on the changes in the pore network to detect opening of fissures after air injection tests using mercury intrusion porosimetry. Selected experimental results have been simulated using a fully coupled hydro-mechanical finite element code, which incorporates an embedded fracture permeability model to account for the simulation of the gas flow along preferential pathways.

Original languageEnglish
Title of host publicationEnergy Geotechnics - Proceedings of the 1st International Conference on Energy Geotechnics, ICEGT 2016
PublisherCRC Press / Balkema
Pages715-721
Number of pages7
ISBN (Print)9781138032996
Publication statusPublished - 2016
Event1st International Conference on Energy Geotechnics - Kiel, Germany
Duration: 29 Aug 201631 Aug 2016
Conference number: 1

Conference

Conference1st International Conference on Energy Geotechnics
Abbreviated titleICEGT 2016
CountryGermany
CityKiel
Period29/08/1631/08/16

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