Réactivité des hydrocarbures en réponse à une injection de CO2/O2 dans des conditions de réservoirs pétroliers déplétés: modélisations expérimentale et numérique

Abstract : The geological storage of CO2 (CO2 Capture-Storage – CCS) and the Enhanced Oil Recovery (EOR) by CO2 injection into petroleum reservoirs could limit CO2 atmospheric accumulation. However, CO2 can be associated with oxygen. To predict the hydrocarbon evolution under these conditions involves the study of oxidation mechanisms. Oxidation experiment and kinetic detailed modeling were carried out with pure compounds. The comparison between experimental and modeling results led to the construction of a hydrocarbon oxidation kinetic model and emphasized the parameters leading to auto ignition. The good agreement between our experiments and modeling are promising for the development of a tool predicting the critical temperature leading to auto-ignition and the evolution of hydrocarbon composition, to estimate the stability of a petroleum system in CO2 injection context
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Claire Pacini-Petitjean. Réactivité des hydrocarbures en réponse à une injection de CO2/O2 dans des conditions de réservoirs pétroliers déplétés: modélisations expérimentale et numérique. Sciences de la Terre. Université de Lorraine, 2015. Français. ⟨NNT : 2015LORR0020⟩. ⟨tel-01751421⟩

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