To Bleed-Off or Not to Bleed-Off?

Bleed-off and shut-in of injection have been implemented in different Enhanced Geothermal Systems (EGS) in an attempt to mitigate the induced seismicity at and after the injection stop. This article tackles the controversial discussion on the mitigation of the post-injection induced seismicity throu...

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Detalles Bibliográficos
Autores: Boyet, Auregan, De Simone, Silvia, Vilarrasa, Víctor
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2024
País:España
Institución:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/374098
Acceso en línea:http://hdl.handle.net/10261/374098
https://api.elsevier.com/content/abstract/scopus_id/85210757980
Access Level:acceso abierto
Palabra clave:Induced seismicity
Bleed-off
EGS
Precipitation zones
http://metadata.un.org/sdg/7
Ensure access to affordable, reliable, sustainable and modern energy for all
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spelling To Bleed-Off or Not to Bleed-Off?Boyet, AureganDe Simone, SilviaVilarrasa, VíctorInduced seismicityBleed-offEGSPrecipitation zoneshttp://metadata.un.org/sdg/7Ensure access to affordable, reliable, sustainable and modern energy for allBleed-off and shut-in of injection have been implemented in different Enhanced Geothermal Systems (EGS) in an attempt to mitigate the induced seismicity at and after the injection stop. This article tackles the controversial discussion on the mitigation of the post-injection induced seismicity through ending fluid injection by either a bleed-off or a shut-in. Both scenarios failed to mitigate the occurrence of large magnitude earthquake after stopping injection in numerous EGS. The two protocols are compared by using a seismological forecasting methodology coupled with a hydro-mechanical model reproducing flow, poroelastic stress and fault failure in a domain including a discrete fault network based on Basel EGS (Switzerland, 2006). Unlike bleed-off, shut-in mitigates early post-injection seismicity by smoothly reducing pressure, and consequently poroelastic stress changes in the modelled Basel EGS. Although post-injection pore pressure diffusion eventually reaches distant faults and destabilizes them, seismiA.B. and V.V. acknowledge funding from the European Research Council (ERC) under the European Union's Horizon 2020 Research and Innovation Program through the Starting Grant GEoREST (www.georest.eu) under Grant agreement No. 801809. IMEDEA is an accredited “Maria de Maeztu Excellence Unit” (Grant CEX2021-001198, funded by MICIU/AEI/10.13039/501100011033). IDAEA-CSIC is a Centre of Excellence Severo Ochoa (Spanish Ministry of Science and Innovation, Grant CEX2018-000794-S funded by MICIU/AEI/10.13039/501100011033). S.D.S. acknowledges the support of the MICIU/AEI/10.13039/501100011033 and the European Union “Next Generation EU/PRTR” through the ‘Ramón y Cajal’ grant (reference RYC2021-032780-I).Peer reviewedMinisterio de Ciencia y Tecnología (España)0000-0002-8491-84620000-0002-3647-78690000-0003-1169-4469Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]202420242024info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://hdl.handle.net/10261/374098https://api.elsevier.com/content/abstract/scopus_id/85210757980reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Inglés#PLACEHOLDER_PARENT_METADATA_VALUE#info:eu-repo/grantAgreementMICIU/AEI/10.13039/501100011033Boyet, Auregan; De Simone, Silvia; Vilarrasa, Víctor; 2023; [Dataset] To bleed-off or not to bleed-off? [Dataset]; DIGITAL.CSIC; https://doi.org/10.20350/digitalCSIC/16050https://doi.org/10.1029/2023GL107926Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/3740982026-05-22T06:33:51Z
dc.title.none.fl_str_mv To Bleed-Off or Not to Bleed-Off?
title To Bleed-Off or Not to Bleed-Off?
spellingShingle To Bleed-Off or Not to Bleed-Off?
Boyet, Auregan
Induced seismicity
Bleed-off
EGS
Precipitation zones
http://metadata.un.org/sdg/7
Ensure access to affordable, reliable, sustainable and modern energy for all
title_short To Bleed-Off or Not to Bleed-Off?
title_full To Bleed-Off or Not to Bleed-Off?
title_fullStr To Bleed-Off or Not to Bleed-Off?
title_full_unstemmed To Bleed-Off or Not to Bleed-Off?
title_sort To Bleed-Off or Not to Bleed-Off?
dc.creator.none.fl_str_mv Boyet, Auregan
De Simone, Silvia
Vilarrasa, Víctor
author Boyet, Auregan
author_facet Boyet, Auregan
De Simone, Silvia
Vilarrasa, Víctor
author_role author
author2 De Simone, Silvia
Vilarrasa, Víctor
author2_role author
author
dc.contributor.none.fl_str_mv Ministerio de Ciencia y Tecnología (España)
0000-0002-8491-8462
0000-0002-3647-7869
0000-0003-1169-4469
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Induced seismicity
Bleed-off
EGS
Precipitation zones
http://metadata.un.org/sdg/7
Ensure access to affordable, reliable, sustainable and modern energy for all
topic Induced seismicity
Bleed-off
EGS
Precipitation zones
http://metadata.un.org/sdg/7
Ensure access to affordable, reliable, sustainable and modern energy for all
description Bleed-off and shut-in of injection have been implemented in different Enhanced Geothermal Systems (EGS) in an attempt to mitigate the induced seismicity at and after the injection stop. This article tackles the controversial discussion on the mitigation of the post-injection induced seismicity through ending fluid injection by either a bleed-off or a shut-in. Both scenarios failed to mitigate the occurrence of large magnitude earthquake after stopping injection in numerous EGS. The two protocols are compared by using a seismological forecasting methodology coupled with a hydro-mechanical model reproducing flow, poroelastic stress and fault failure in a domain including a discrete fault network based on Basel EGS (Switzerland, 2006). Unlike bleed-off, shut-in mitigates early post-injection seismicity by smoothly reducing pressure, and consequently poroelastic stress changes in the modelled Basel EGS. Although post-injection pore pressure diffusion eventually reaches distant faults and destabilizes them, seismi
publishDate 2024
dc.date.none.fl_str_mv 2024
2024
2024
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Publisher's version
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/374098
https://api.elsevier.com/content/abstract/scopus_id/85210757980
url http://hdl.handle.net/10261/374098
https://api.elsevier.com/content/abstract/scopus_id/85210757980
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv #PLACEHOLDER_PARENT_METADATA_VALUE#
info:eu-repo/grantAgreementMICIU/AEI/10.13039/501100011033
Boyet, Auregan; De Simone, Silvia; Vilarrasa, Víctor; 2023; [Dataset] To bleed-off or not to bleed-off? [Dataset]; DIGITAL.CSIC; https://doi.org/10.20350/digitalCSIC/16050
https://doi.org/10.1029/2023GL107926
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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score 15,812429

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