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dc.contributor.author
Guo, Junxin
dc.contributor.author
Rubino, Jorge German
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dc.contributor.author
Glubokovskikh, Stanislav
dc.contributor.author
Gurevich, Boris
dc.date.available
2020-02-10T21:43:42Z
dc.date.issued
2018-05
dc.identifier.citation
Guo, Junxin; Rubino, Jorge German; Glubokovskikh, Stanislav; Gurevich, Boris; Dynamic seismic signatures of saturated porous rocks containing two orthogonal sets of fractures: Theory versus numerical simulations; Oxford University Press; Geophysical Journal International; 213; 2; 5-2018; 1244-1262
dc.identifier.issn
0956-540X
dc.identifier.uri
http://hdl.handle.net/11336/97133
dc.description.abstract
The dispersion and attenuation of seismicwaves are potentially important attributes for the noninvasive detection and characterization of fracture networks. A primary mechanism for these phenomena is wave-induced fluid flow (WIFF), which can take place between fractures and their embedding background (FB-WIFF), as well as within connected fractures (FF-WIFF). In this work, we propose a theoretical approach to quantify seismic dispersion and attenuation related to these two manifestations of WIFF in saturated porous rocks permeated by two orthogonal sets of fractures. The methodology is based on existing theoretical models for rocks with aligned fractures, and we consider three types of fracture geometries, namely, periodic planar fractures, randomly spaced planar fractures and penny-shaped cracks. Synthetic 2-D rock samples with different degrees of fracture intersections are then explored by considering both the proposed theoretical approach and a numerical upscaling procedure that provides the effective seismic properties of generic heterogeneous porous media. The results show that the theoretical predictions are in overall good agreement with the numerical simulations, in terms of both the stiffness coefficients and the anisotropic properties. For the seismic dispersion and attenuation caused by FB-WIFF, the theoretical model for penny-shaped cracks matches the numerical simulations best, whereas for representing the effects due to FF-WIFF the periodic planar fractures model turns out to be the most suitable one. The proposed theoretical approach is easy to apply and is applicable not only to 2-D but also to 3-D fracture systems. Hence, it has the potential to constitute a useful framework for the seismic characterization of fractured reservoirs, especially in the presence of intersecting fractures.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Oxford University Press
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
FRACTURE AND FLOW
dc.subject
NUMERICAL MODELLING
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SEISMIC ANISOTROPY
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SEISMIC ATTENUATION
dc.subject
THEORETICAL SEISMOLOGY
dc.subject.classification
Geoquímica y Geofísica
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dc.subject.classification
Ciencias de la Tierra y relacionadas con el Medio Ambiente
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Dynamic seismic signatures of saturated porous rocks containing two orthogonal sets of fractures: Theory versus numerical simulations
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-10-15T17:30:31Z
dc.journal.volume
213
dc.journal.number
2
dc.journal.pagination
1244-1262
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Oxford
dc.description.fil
Fil: Guo, Junxin. Curtin University; Australia
dc.description.fil
Fil: Rubino, Jorge German. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Comisión Nacional de Energía Atómica. Centro Atómico Bariloche; Argentina
dc.description.fil
Fil: Glubokovskikh, Stanislav. Curtin University; Australia
dc.description.fil
Fil: Gurevich, Boris. Commonwealth Scientific And Industrial Research Organization; Australia. Curtin University; Australia
dc.journal.title
Geophysical Journal International
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1093/gji/ggy040
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/gji/article-abstract/213/2/1244/4834409
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