Articles | Volume 12, issue 2
Solid Earth, 12, 319–343, 2021
https://doi.org/10.5194/se-12-319-2021
Solid Earth, 12, 319–343, 2021
https://doi.org/10.5194/se-12-319-2021

Research article 05 Feb 2021

Research article | 05 Feb 2021

Fault sealing and caprock integrity for CO2 storage: an in situ injection experiment

Alba Zappone et al.

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Latest update: 25 Jan 2022
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Short summary
The success of the geological storage of carbon dioxide is linked to the availability at depth of a capable reservoir and an impermeable caprock. The sealing capacity of the caprock is a key parameter for long-term CO2 containment. Faults crosscutting the caprock might represent preferential pathways for CO2 to escape. A decameter-scale experiment on injection in a fault, monitored by an integrated network of multiparamerter sensors, sheds light on the mobility of fluids within the fault.