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Article Dans Une Revue Energy Procedia Année : 2011

Tracking and CO2 leakage from deep saline to fresh groundwaters: Development of sensitive monitoring techniques

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Résumé

In a predictive approach goal and to focus this work on risk assessment related to CCS context, a modeling study of an unfavorable scenario in which CO 2 leakage (willfully provoked) through an abandoned well, from a deep saline aquifer to fresh groundwater was developed. This 3D numerical model handles both fluid-rock geochemical interaction in the storage aquifer and impacted aquifer (code TOUGHREACT). In a second part and in the frame of studying, the use of multi-isotope approaches, like an isotopic monitoring opportunity, is developing in order to detect CO 2 leakage and to record geochemical processes of water quality evolution, induced by the lowering of the pH due to the ingress of CO 2 in the system. The case of study applies to the French Paris Basin.
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hal-03652271 , version 1 (26-04-2022)

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Pauline Humez, Pascal Audigane, Julie Lions, Philippe Négrel, Vincent Lagneau. Tracking and CO2 leakage from deep saline to fresh groundwaters: Development of sensitive monitoring techniques. Energy Procedia, 2011, 4, pp.3443-3449. ⟨10.1016/j.egypro.2011.02.269⟩. ⟨hal-03652271⟩
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