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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Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
AR by Alba Zappone on behalf of the Authors (11 Nov 2020)  Author's response    Manuscript
ED: Publish as is (05 Dec 2020) by CharLotte Krawczyk
ED: Publish as is (05 Dec 2020) by CharLotte Krawczyk(Executive Editor)
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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.