A comparison of reflection coefficients in porous media from 2D plane-wave analysis & spectral element forward modeling

H. Peng, Y. Sripanich, I. Pires de Vasconcelos, J.A. Trampert

Research output: Contribution to conferencePaperAcademic

Abstract

The Biot theory provides a general framework for describing the seismic response of porous media. Proper boundary conditions must be specified for the following three cases: the elastic-poroelastic interface, the acoustic-poroelastic interface and the poroelastic-poroelastic interface for accurate modeling and inversion of seismic data. In this study, we first review the expressions for reflection coefficients for all three cases from plane-wave analysis. We subsequently benchmark the first two cases against spectral element method (SEM) forward modeling to verify and ensure consistency between finite-frequency wavelets. We show with numerical examples, that both methods lead to comparable results within frequency range between 5Hz and 80Hz, which is of relevance to exploration seismology.
Original languageEnglish
Publication statusPublished - 15 Oct 2018
EventSEG Annual meeting 2018 - Anaheim, Los Angeles, United States
Duration: 12 Oct 2018 → …

Conference

ConferenceSEG Annual meeting 2018
Country/TerritoryUnited States
CityLos Angeles
Period12/10/18 → …

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