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- W1987322792 abstract "PreviousNext No AccessSEG Technical Program Expanded Abstracts 2014Initiation of Krauklis waves by incident seismic body waves: Numerical modeling, laboratory perspectives, and application for fracture-size estimationAuthors: Marcel FrehnerPei-Ju Rita ShihMatteo LupiMarcel FrehnerETH ZurichSearch for more papers by this author, Pei-Ju Rita ShihETH ZurichSearch for more papers by this author, and Matteo LupiETH ZurichSearch for more papers by this authorhttps://doi.org/10.1190/segam2014-0144.1 SectionsSupplemental MaterialAboutPDF/ePub ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinked InRedditEmail Abstract Krauklis waves (i.e., fracture-guided waves) are of key interest because they can lead to seismic resonance effects in fluid-filled fractured rocks and may explain the origin of the dominant frequency of seismic tremor. Here, we study the external initiation of Krauklis waves by incident P- and S-waves. We split our study into three parts: 1. A numerical study demonstrating that body waves are capable of initiating Krauklis waves with significant amplitude. We show how this initiation depends on fracture orientation and incident wave mode. 2. A snapshot of work in progress in the laboratory. First results show that the presence of a fracture has a strong frequency-effect on body wave propagation. 3. Application of theoretical Krauklis wave dispersion relations to estimate the fracture size in a natural fluid reservoir (below a mud volcano) using tremor data. Keywords: finite element, fractures, wave propagation, microseismic, fluidPermalink: https://doi.org/10.1190/segam2014-0144.1FiguresReferencesRelatedDetails SEG Technical Program Expanded Abstracts 2014ISSN (print):1052-3812 ISSN (online):1949-4645Copyright: 2014 Pages: 5183 publication data© 2014 Published in electronic format with permission by the Society of Exploration GeophysicistsPublisher:Society of Exploration Geophysicists HistoryPublished: 05 Aug 2014 CITATION INFORMATION Marcel Frehner, Pei-Ju Rita Shih, and Matteo Lupi, (2014), Initiation of Krauklis waves by incident seismic body waves: Numerical modeling, laboratory perspectives, and application for fracture-size estimation, SEG Technical Program Expanded Abstracts : 3422-3427. https://doi.org/10.1190/segam2014-0144.1 Plain-Language Summary Keywordsfinite elementfractureswave propagationmicroseismicfluidPDF DownloadLoading ..." @default.
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- W1987322792 title "Initiation of Krauklis waves by incident seismic body waves: Numerical modeling, laboratory perspectives, and application for fracture-size estimation" @default.
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