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Natural Hydrogen Prospectivity in Portugal: A first approach

2026-04Relatório técnico Acesso embargado
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datacite.subject.fosEngenharia e Tecnologia::Engenharia do Ambiente
datacite.subject.fosEngenharia e Tecnologia::Outras Engenharias e Tecnologias
datacite.subject.sdg07:Energias Renováveis e Acessíveis
datacite.subject.sdg12:Produção e Consumo Sustentáveis
datacite.subject.sdg13:Ação Climática
dc.contributor.authorPortillo, Juan C. C.
dc.contributor.authorFerreira, Pedro Tavares
dc.contributor.authorSampaio, José
dc.contributor.authorBatista, Maria Joao
dc.contributor.authorRepresas, Patricia
dc.contributor.authorRamalho, Elsa
dc.contributor.authorMachado, Susana
dc.contributor.authorCarvalho, João
dc.date.accessioned2026-03-24T13:04:51Z
dc.date.available2026-03-24T13:04:51Z
dc.date.issued2026-04
dc.description.abstractABSTRACT: This works presents the first maps of the prospectivity of natural hydrogen in continental Portugal and the methodological approach undertaken. The methodology used in this study follows the Chance of Sufficiency (COS) approach, which is also sometimes referred as the Chance of Success in exploration geoscience. It is a probabilistic estimate of whether a geological prospect contains a resource (e.g., hydrocarbons, hydrogen, etc.) in sufficient quantity and quality to be considered a "success" or explorable. It is typically expressed as a percentage and reflects the likelihood that all critical geological factors align to yield a viable accumulation. COS is grounded in Bayesian probability and statistical modelling. It is often calculated by multiplying the probabilities of independent geological favourable factors, such as sources (presence of a generating system), reservoirs (porosity and permeability), seals (cap rock to trap fluids), trap (structural or stratigraphic configuration), timing and migration (alignment of generation and trap formation). In this study only the first three were considered (i.e. sources, reservoirs, and seals). Consequently, this work should be seem as a first approach for the prospectivity of hydrogen mapping in Portugal.eng
dc.identifier.citationPortillo, J., Ferreira, P., Sampaio, J., Batista, M. J., Represas, P., Ramalho, E., Machado, S., & Carvalho, J. (2026). Natural Hydrogen Prospectivity in Portugal: A first approach. Technical Report, LNEG, April 2026, 26 pp.
dc.identifier.urihttp://hdl.handle.net/10400.9/6337
dc.language.isoeng
dc.peerreviewedn/a
dc.publisherLNEG - Laboratório Nacional de Energia e Geologia
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectNatural hydrogen
dc.subjectGeologic hydrogen
dc.subjectSerpentinisation
dc.subjectRadiolysis
dc.subjectDeep sources
dc.titleNatural Hydrogen Prospectivity in Portugal: A first approacheng
dc.typetechnical report
dspace.entity.typePublication
oaire.versionhttp://purl.org/coar/version/c_be7fb7dd8ff6fe43
person.familyNamePortillo
person.familyNameBatista
person.familyNameRepresas
person.familyNameRamalho
person.familyNameMachado
person.familyNameCarvalho
person.givenNameJuan C. C.
person.givenNameMaria Joao
person.givenNamePatricia
person.givenNameElsa
person.givenNameSusana
person.givenNameJoão
person.identifier92033
person.identifierA-8080-2008
person.identifier.ciencia-idE71C-97C6-19DE
person.identifier.ciencia-idC01A-B2B1-C2D0
person.identifier.ciencia-id901F-FDE9-581F
person.identifier.ciencia-idC516-4C8B-2F41
person.identifier.ciencia-id1D16-E24A-F4E4
person.identifier.orcid0000-0003-4025-8076
person.identifier.orcid0000-0003-0197-1004
person.identifier.orcid0000-0002-2987-2836
person.identifier.orcid0000-0002-9268-271X
person.identifier.orcid0000-0001-5304-3715
person.identifier.orcid0000-0003-2227-3918
person.identifier.ridAGU-8950-2022
person.identifier.ridAGY-5000-2022
person.identifier.scopus-author-id56970941300
person.identifier.scopus-author-id7005481948
relation.isAuthorOfPublication45d870cb-2f4f-4079-9217-690c4cc55394
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relation.isAuthorOfPublication.latestForDiscovery45d870cb-2f4f-4079-9217-690c4cc55394

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