Coupling a Local Elastic Solver to a Background Acoustic Model to Estimate Phase Variation

Malcolm, Alison and Willemsen, Bram (2016) Coupling a Local Elastic Solver to a Background Acoustic Model to Estimate Phase Variation. SEG Technical Program Expanded Abstracts 2016, 2016. pp. 3945-3949. ISSN 1949-4645

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Abstract

In characterizing reservoirs, we are often interested in detailed elastic parameters about only a very limited part of the subsur-face. To that end, we introduce a local solver which uses an acoustic solver to propagate the wavefield to a sub-domain on which we use a local elastic solver. This avoids the use of an expensive full domain elastic solver while still incorporating elastic physics in the region where it is most important. We apply the local solver to modeling phase variation with angle.

Item Type: Article
URI: http://research.library.mun.ca/id/eprint/12776
Item ID: 12776
Keywords: acoustic, modeling, wave propagation, finite difference, elastic
Department(s): Science, Faculty of > Earth Sciences
Date: 2016
Date Type: Publication
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