Monitoring a 120-kg CO2 injection in a coal seam with continuous gas and microseismic measurements (European RFCS CARBOLAB research project)

Stéphane Lafortune 1 Francis Adelise 1 Franz Lahaie 1 Benoît Beaufils 1 Gaëtan Bentivegna 1 Christophe Didier 1 Régis Farret 1 Philippe Gombert 1 Zbigniew Pokryszka 1 Noel Canto Toimil
1 INERIS - Institut National de l'Environnement Industriel et des Risques
Abstract : INERIS has monitored a CO2 injection test performed in a coal seam. Both passive seismic monitoring and gas monitoring have been performed prior, during and after the injection test. Gas migration was not monitored in coal because leakage occurred during the injection. Nevertheless, passive seismic monitoring and continuous gas monitoring proved here to be valuable tools to observe gas migration and the behaviour of the rock during the injection test. They also helped to understand the discrepancies between observations and predictions, which can be useful to draw recommendations for future tests.
Keywords : ECBM CO2 INJECTION MICROSEISMIC MONITORING GEOCHEMICAL MONITORING
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Stéphane Lafortune, Francis Adelise, Franz Lahaie, Benoît Beaufils, Gaëtan Bentivegna, et al.. Monitoring a 120-kg CO2 injection in a coal seam with continuous gas and microseismic measurements (European RFCS CARBOLAB research project). 12. International Conference on Greenhouse Gas Technologies (GHGT-12), Oct 2014, Austin, United States. pp.4464-4472, ⟨10.1016/j.egypro.2014.11.482⟩. ⟨ineris-01862448⟩

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