Mostrar el registro sencillo del ítem
dc.contributor.author
Barcelona, Hernan
dc.contributor.author
Maffucci, R.
dc.contributor.author
Yagupsky, Daniel Leonardo
dc.contributor.author
Senger, Martín Hugo
dc.contributor.author
Bigi, S.
dc.date.available
2020-12-22T12:47:11Z
dc.date.issued
2020-08
dc.identifier.citation
Barcelona, Hernan; Maffucci, R.; Yagupsky, Daniel Leonardo; Senger, Martín Hugo; Bigi, S.; Discrete fracture network model of the vapor zone leakages at the Copahue geothermal field; Pergamon-Elsevier Science Ltd; Journal Of Structural Geology; 140; 8-2020; 1-14
dc.identifier.issn
0191-8141
dc.identifier.uri
http://hdl.handle.net/11336/121012
dc.description.abstract
The volcano-hosted geothermal system of Copahue is one of the most promising resources of renewable energy in Argentina. It is driven by a layered reservoir composed of a steam cap above a deep liquid-dominated reservoir. We study the surficial leakages of the shallow steam zone by performing a discrete fracture network model and a 3D forward strain-stress model of the upper caprock unit. The hydrothermal zones linked to steam cap leakages are subordinated to deep-rooted N60-striking faults. Associated damage zones exhibit higher values of fracture intensity, vertical and anisotropy of permeability than the host rocks. Joints and cross-joints likely control leakage zones, where the formers are subject to high dilation tendency. The Anfiteatro monocline might constitute the northwestern boundary of the shallow steam zone. Variations of H2O–CO2 ratio, helium isotopic signature, and CO2 between hydrothermal zones are explained in terms of petrophysical properties of the upper ignimbrites and changes in their structural control. Our results suggest that the upper caprock ignimbrite avoids the decompression of the reservoir because it provides the low fractured and low permeability layer that seals the geothermal system; conversely, ignimbrites affected by the extensional faults system enhance the shallow vapor zone given its high fracture density and permeability.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Pergamon-Elsevier Science Ltd
dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
DISCRETE FRACTURE NETWORK
dc.subject
STRAIN-STRESS MODELING
dc.subject
COPAHUE GEOTHERMAL FIELD
dc.subject
SYNTHETIC FRACTURES
dc.subject.classification
Ingeniería del Petróleo, Energía y Combustibles
dc.subject.classification
Ingeniería del Medio Ambiente
dc.subject.classification
INGENIERÍAS Y TECNOLOGÍAS
dc.subject.classification
Geología
dc.subject.classification
Ciencias de la Tierra y relacionadas con el Medio Ambiente
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.subject.classification
Vulcanología
dc.subject.classification
Ciencias de la Tierra y relacionadas con el Medio Ambiente
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.title
Discrete fracture network model of the vapor zone leakages at the Copahue geothermal field
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2020-09-11T19:42:27Z
dc.journal.volume
140
dc.journal.pagination
1-14
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Barcelona, Hernan. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Estudios Andinos "Don Pablo Groeber". Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Estudios Andinos "Don Pablo Groeber"; Argentina
dc.description.fil
Fil: Maffucci, R.. Università degli studi di Roma "La Sapienza"; Italia
dc.description.fil
Fil: Yagupsky, Daniel Leonardo. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Estudios Andinos "Don Pablo Groeber". Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Estudios Andinos "Don Pablo Groeber"; Argentina
dc.description.fil
Fil: Senger, Martín Hugo. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Estudios Andinos "Don Pablo Groeber". Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Estudios Andinos "Don Pablo Groeber"; Argentina
dc.description.fil
Fil: Bigi, S.. Università degli studi di Roma "La Sapienza"; Italia
dc.journal.title
Journal Of Structural Geology
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://linkinghub.elsevier.com/retrieve/pii/S0191814119305292
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1016/j.jsg.2020.104155
Archivos asociados