Reflection of plane seismic waves at the surface of double-porosity dual-permeability materials

Abstract The present work deals with the reflection of plane seismic waves at the stress-free plane surface of double-porosity dual-permeability material. The incidence of two main waves (i.e., P 1 and SV) is considered. As a result of the incident waves, four reflected (three longitudinal and one s...

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Autores principales:	Manjeet Kumar, Manjeet Kumari, Mahabir Singh Barak
Formato:	article
Lenguaje:	EN
Publicado:	KeAi Communications Co., Ltd. 2018
Materias:	Plane wave Double-porosity dual-permeability Reflection coefficients Science Q Petrology QE420-499
Acceso en línea:	https://doaj.org/article/0f2bdd641eab44d9aa2d83b49934ae1e
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spelling	oai:doaj.org-article:0f2bdd641eab44d9aa2d83b49934ae1e2021-12-02T03:14:51ZReflection of plane seismic waves at the surface of double-porosity dual-permeability materials10.1007/s12182-018-0245-y1672-51071995-8226https://doaj.org/article/0f2bdd641eab44d9aa2d83b49934ae1e2018-07-01T00:00:00Zhttp://link.springer.com/article/10.1007/s12182-018-0245-yhttps://doaj.org/toc/1672-5107https://doaj.org/toc/1995-8226Abstract The present work deals with the reflection of plane seismic waves at the stress-free plane surface of double-porosity dual-permeability material. The incidence of two main waves (i.e., P 1 and SV) is considered. As a result of the incident waves, four reflected (three longitudinal and one shear) waves are found in the medium. The expressions of reflection coefficients for a given incident wave are obtained as a non-singular system of linear equations. The energy shares of reflected waves are obtained in the form of an energy matrix. A numerical example is considered to calculate the partition of incident energy for fully closed as well as perfectly open pores. Effect of incident direction on the partition of the incident energy is analyzed with the change in wave frequency, wave-induced fluid-flow, pore-fluid viscosity and double-porosity structure. It has been confirmed from the numerical interpretation that during the reflection process, conservation of incident energy is obtained at each angle of incidence.Manjeet KumarManjeet KumariMahabir Singh BarakKeAi Communications Co., Ltd.articlePlane waveDouble-porosity dual-permeabilityReflection coefficientsScienceQPetrologyQE420-499ENPetroleum Science, Vol 15, Iss 3, Pp 521-537 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Plane wave Double-porosity dual-permeability Reflection coefficients Science Q Petrology QE420-499
spellingShingle	Plane wave Double-porosity dual-permeability Reflection coefficients Science Q Petrology QE420-499 Manjeet Kumar Manjeet Kumari Mahabir Singh Barak Reflection of plane seismic waves at the surface of double-porosity dual-permeability materials
description	Abstract The present work deals with the reflection of plane seismic waves at the stress-free plane surface of double-porosity dual-permeability material. The incidence of two main waves (i.e., P 1 and SV) is considered. As a result of the incident waves, four reflected (three longitudinal and one shear) waves are found in the medium. The expressions of reflection coefficients for a given incident wave are obtained as a non-singular system of linear equations. The energy shares of reflected waves are obtained in the form of an energy matrix. A numerical example is considered to calculate the partition of incident energy for fully closed as well as perfectly open pores. Effect of incident direction on the partition of the incident energy is analyzed with the change in wave frequency, wave-induced fluid-flow, pore-fluid viscosity and double-porosity structure. It has been confirmed from the numerical interpretation that during the reflection process, conservation of incident energy is obtained at each angle of incidence.
format	article
author	Manjeet Kumar Manjeet Kumari Mahabir Singh Barak
author_facet	Manjeet Kumar Manjeet Kumari Mahabir Singh Barak
author_sort	Manjeet Kumar
title	Reflection of plane seismic waves at the surface of double-porosity dual-permeability materials
title_short	Reflection of plane seismic waves at the surface of double-porosity dual-permeability materials
title_full	Reflection of plane seismic waves at the surface of double-porosity dual-permeability materials
title_fullStr	Reflection of plane seismic waves at the surface of double-porosity dual-permeability materials
title_full_unstemmed	Reflection of plane seismic waves at the surface of double-porosity dual-permeability materials
title_sort	reflection of plane seismic waves at the surface of double-porosity dual-permeability materials
publisher	KeAi Communications Co., Ltd.
publishDate	2018
url	https://doaj.org/article/0f2bdd641eab44d9aa2d83b49934ae1e
work_keys_str_mv	AT manjeetkumar reflectionofplaneseismicwavesatthesurfaceofdoubleporositydualpermeabilitymaterials AT manjeetkumari reflectionofplaneseismicwavesatthesurfaceofdoubleporositydualpermeabilitymaterials AT mahabirsinghbarak reflectionofplaneseismicwavesatthesurfaceofdoubleporositydualpermeabilitymaterials
_version_	1718401836216483840

Reflection of plane seismic waves at the surface of double-porosity dual-permeability materials

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