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Monitoring CO2 storage sites onshore and offshore using InSAR data and strain sensing fibre optics cables

Monitoring CO2 storage sites onshore and offshore using InSAR data and strain sensing fibre optics cables
Monitoring CO2 storage sites onshore and offshore using InSAR data and strain sensing fibre optics cables
A key requirement for geological CO2 storage is site integrity management and monitoring during operation through to the post decommissioning period. This paper focuses on monitoring deformation of the ground surface and seabed as a proxy for overall deformation in the reservoir and surrounding layers. The objective is to inform, based on deformation data, on how the reservoir is responding to CO2 injection and to ensure any issues with regard to storage integrity are rapidly detected. The magnitude and pattern of deformation at the surface reveals geomechanical/hydromechanical processes that occur in reservoir due to CO2 injection. We acquired deformation data from the In Salah CO2 injection site and from four additional study cases during the course of this study; one in the onshore UK, the other a combined campaign onshore Norway and offshore Germany, and the third in onshore Japan. Significant developments in measurement techniques, processing tools and interpretation algorithms were developedthrough this project. Models were then developed to simulate the observed data and to couple surface deformation to displacement in the subsurface. The results show millimeter-scale deformations in the subsurface have a signature at the surface that can be captured by the tools and workflows developed in this project. These deformations, particularly the patterns, are important factors to consider when monitoring a CO2 storage site.
Social Science Research Network
Bohloli, Bahman
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Berndt, Christian
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Bjørnarå, Tore I.
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Bouquet, Sarah
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Dujardin, Jean-Remi
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Eiken, Ola
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Estublier, Audrey
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Fourno, Andre
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Frauenfelder, Regula
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Frey, Jeremy
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Karstens, Jens
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Lee, Yeon-Kyeong
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Marin-Moreno, Hector
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Meland, Henrik
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Mondol, Nazmul H.
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Park, Joonsang
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Park, Yong-Chan
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Sparrevik, Per M.
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Vincent, Ceri
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Vöge, Malte
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White, Joshua
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Xue, Ziqiu
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Bohloli, Bahman
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Berndt, Christian
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Bjørnarå, Tore I.
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Bouquet, Sarah
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Dujardin, Jean-Remi
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Eiken, Ola
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Estublier, Audrey
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Fourno, Andre
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Frauenfelder, Regula
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Frey, Jeremy
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Karstens, Jens
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Lee, Yeon-Kyeong
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Marin-Moreno, Hector
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Meland, Henrik
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Mondol, Nazmul H.
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Park, Joonsang
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Park, Yong-Chan
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Sparrevik, Per M.
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Vincent, Ceri
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Vöge, Malte
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White, Joshua
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Xue, Ziqiu
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Bohloli, Bahman, Berndt, Christian, Bjørnarå, Tore I., Bouquet, Sarah, Dujardin, Jean-Remi, Eiken, Ola, Estublier, Audrey, Fourno, Andre, Frauenfelder, Regula, Frey, Jeremy, Karstens, Jens, Lee, Yeon-Kyeong, Marin-Moreno, Hector, Meland, Henrik, Mondol, Nazmul H., Park, Joonsang, Park, Yong-Chan, Sparrevik, Per M., Vincent, Ceri, Vöge, Malte, White, Joshua and Xue, Ziqiu (2022) Monitoring CO2 storage sites onshore and offshore using InSAR data and strain sensing fibre optics cables. In Proceedings of the 16th Greenhouse Gas Control Technologies Conference 2022 (GHGT-16). Social Science Research Network. 10 pp . (doi:10.2139/ssrn.4286039).

Record type: Conference or Workshop Item (Paper)

Abstract

A key requirement for geological CO2 storage is site integrity management and monitoring during operation through to the post decommissioning period. This paper focuses on monitoring deformation of the ground surface and seabed as a proxy for overall deformation in the reservoir and surrounding layers. The objective is to inform, based on deformation data, on how the reservoir is responding to CO2 injection and to ensure any issues with regard to storage integrity are rapidly detected. The magnitude and pattern of deformation at the surface reveals geomechanical/hydromechanical processes that occur in reservoir due to CO2 injection. We acquired deformation data from the In Salah CO2 injection site and from four additional study cases during the course of this study; one in the onshore UK, the other a combined campaign onshore Norway and offshore Germany, and the third in onshore Japan. Significant developments in measurement techniques, processing tools and interpretation algorithms were developedthrough this project. Models were then developed to simulate the observed data and to couple surface deformation to displacement in the subsurface. The results show millimeter-scale deformations in the subsurface have a signature at the surface that can be captured by the tools and workflows developed in this project. These deformations, particularly the patterns, are important factors to consider when monitoring a CO2 storage site.

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More information

e-pub ahead of print date: 29 November 2022
Venue - Dates: <br/>16th Greenhouse Gas Control Technologies Conference 2022 (GHGT-16), , Lyon, France, 2022-10-23 - 2022-10-24

Identifiers

Local EPrints ID: 483979
URI: http://eprints.soton.ac.uk/id/eprint/483979
PURE UUID: 47133406-7ad8-498b-a334-b44dcfddf449
ORCID for Jeremy Frey: ORCID iD orcid.org/0000-0003-0842-4302
ORCID for Hector Marin-Moreno: ORCID iD orcid.org/0000-0002-3412-1359

Catalogue record

Date deposited: 08 Nov 2023 18:11
Last modified: 10 Nov 2023 03:04

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Contributors

Author: Bahman Bohloli
Author: Christian Berndt
Author: Tore I. Bjørnarå
Author: Sarah Bouquet
Author: Jean-Remi Dujardin
Author: Ola Eiken
Author: Audrey Estublier
Author: Andre Fourno
Author: Regula Frauenfelder
Author: Jeremy Frey ORCID iD
Author: Jens Karstens
Author: Yeon-Kyeong Lee
Author: Hector Marin-Moreno ORCID iD
Author: Henrik Meland
Author: Nazmul H. Mondol
Author: Joonsang Park
Author: Yong-Chan Park
Author: Per M. Sparrevik
Author: Ceri Vincent
Author: Malte Vöge
Author: Joshua White
Author: Ziqiu Xue

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