Fault sealing and caprock integrity for CO<sub>2</sub> storage: an in situ injection experiment

Zappone, Alba; Rinaldi, Antonio Pio; Grab, Melchior; Wenning, Quinn C.; Roques, Clément; Madonna, Claudio; Obermann, Anne C.; Bernasconi, Stefano M.; Brennwald, Matthias S.; Kipfer, Rolf; Soom, Florian; Cook, Paul; Guglielmi, Yves; Nussbaum, Christophe; Giardini, Domenico; Mazzotti, Marco; Wiemer, Stefan

doi:https://doi.org/10.5194/se-12-319-2021

Articles | Volume 12, issue 2

https://doi.org/10.5194/se-12-319-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/se-12-319-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 12, issue 2

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, Antonio Pio Rinaldi, Melchior Grab, Quinn C. Wenning, Clément Roques, Claudio Madonna, Anne C. Obermann, Stefano M. Bernasconi, Matthias S. Brennwald, Rolf Kipfer, Florian Soom, Paul Cook, Yves Guglielmi, Christophe Nussbaum, Domenico Giardini, Marco Mazzotti, and Stefan Wiemer

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Final revised paper (published on 05 Feb 2021)
Supplement to the final revised paper
Preprint (discussion started on 11 Aug 2020)
Supplement to the preprint

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

RC1: 'General comments,', Anonymous Referee #1, 17 Sep 2020
- AC1: 'Reply to Referee #1', Alba Zappone, 11 Nov 2020
RC2: 'Comments for the manuscript se 2020-100', Anonymous Referee #2, 05 Oct 2020
- AC2: 'Reply to Referee #2', Alba Zappone, 11 Nov 2020

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)

AR by Alba Zappone on behalf of the Authors (08 Dec 2020)

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.

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

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Interactive discussion

Peer-review completion

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