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dc.contributor.author
Picotti, Stefano
dc.contributor.author
Carcione, Jose M.
dc.contributor.author
Rubino, Jorge German
dc.contributor.author
Santos, Juan Enrique
dc.contributor.author
Cavallini, Fabio
dc.date.available
2018-07-31T18:07:48Z
dc.date.issued
2010-01
dc.identifier.citation
Picotti, Stefano; Carcione, Jose M.; Rubino, Jorge German; Santos, Juan Enrique; Cavallini, Fabio; A viscoelastic representation of wave attenuation in porous media; Pergamon-Elsevier Science Ltd; Computers & Geosciences; 36; 1; 1-2010; 44-53
dc.identifier.issn
0098-3004
dc.identifier.uri
http://hdl.handle.net/11336/53613
dc.description.abstract
The theories developed by White and co-workers describe the complex moduli of a medium partially saturated with spherical gas pockets and those of stratified layers composed of two heterogeneous porous media. A generalization to gas patches of arbitrary shape has been given by Johnson. These models represent the mesoscopic-loss mechanism, which is one of the most significant causes of attenuation of seismic waves in reservoir rocks. Comparison of White's and Johnson's models show that, as the patch shape complexity increases, the patch geometry affects much more the relaxation frequency than it affects the maximum loss. The simulation of synthetic seismograms requires solving Biot's differential equations with very small grid spacings, because the loss mechanism involves the conversion of fast P-wave energy to diffusion energy in the form of the Biot slow wave. Because the wavelength of this wave can be very small, the poroelastic solution requires a very large amount of storage and computer time. An efficient approach is to approximate White's moduli by the Zener model and then solve the single-phase viscoelastic differential equations. © 2009 Elsevier Ltd. All rights reserved.
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
Mesoscopic Loss
dc.subject
Porous Media
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Wave Attenuation
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Zener Model
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Meteorología y Ciencias Atmosféricas
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Ciencias de la Tierra y relacionadas con el Medio Ambiente
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CIENCIAS NATURALES Y EXACTAS
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Ingeniería Medioambiental y Geológica, Geotécnicas
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Ingeniería del Medio Ambiente
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INGENIERÍAS Y TECNOLOGÍAS
dc.title
A viscoelastic representation of wave attenuation in porous media
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-07-30T15:42:44Z
dc.journal.volume
36
dc.journal.number
1
dc.journal.pagination
44-53
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Picotti, Stefano. Borgo Grotta Gigante 42c; Italia
dc.description.fil
Fil: Carcione, Jose M.. Borgo Grotta Gigante 42c; Italia
dc.description.fil
Fil: Rubino, Jorge German. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de la Plata. Facultad de Ciencias Astronómicas y Geofísicas. Departamento de Geofísica Aplicada; Argentina
dc.description.fil
Fil: Santos, Juan Enrique. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad Nacional de la Plata. Facultad de Ciencias Astronómicas y Geofísicas. Departamento de Geofísica Aplicada; Argentina
dc.description.fil
Fil: Cavallini, Fabio. Borgo Grotta Gigante 42c; Italia
dc.journal.title
Computers & Geosciences
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://dx.doi.org/10.1016/j.cageo.2009.07.003
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S0098300409002647


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