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- W2321993383 abstract "PreviousNext No AccessSEG Technical Program Expanded Abstracts 2010Long sweep times increase the recoverable higher frequencies for mid‐continent seismic dataAuthors: Bruce KarrRobert A. HefnerBruce KarrFairfieldnodalSearch for more papers by this author and Robert A. HefnerBEREXCO LLCSearch for more papers by this authorhttps://doi.org/10.1190/1.3513938 SectionsSupplemental MaterialAboutPDF/ePub ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinked InRedditEmail Abstract Fewer long vibroseis sweep times with short tapers have increased the dynamic range compared to stacking many shorter sweeps. Recent testing in the field has shown that when the total sweep energy is taken into account that fewer longer sweep times do a better job at putting more recoverable higher frequencies in the ground. For much of the mid‐continent a typical sourcing for a 3D survey would be eight 10 second sweeps or approximately 80 seconds of total sweep energy. After sweep testing 31 project start‐ups in Kansas, Nebraska and Oklahoma, using two 40 second sweeps compared to eight 10 second sweeps as increased the dynamic range of interpretable migrated seismic data. The purpose of our testing was to improve frequencies from 50 to 100+ Hz. While parts of the mid‐continent are known for good recoverable frequency as high as 100Hz, several areas struggle to get over 50Hz. The longer sweeps increased the higher frequencies in all areas.Permalink: https://doi.org/10.1190/1.3513938FiguresReferencesRelatedDetails SEG Technical Program Expanded Abstracts 2010ISSN (print):1052-3812 ISSN (online):1949-4645Copyright: 2010 Pages: 4453 publication data© 2010 Copyright © 2010 Society of Exploration GeophysicistsPublisher:Society of Exploration Geophysicists HistoryPublished: 21 Oct 2010 CITATION INFORMATION Bruce Karr and Robert A. Hefner, IV, (2010), Long sweep times increase the recoverable higher frequencies for mid‐continent seismic data, SEG Technical Program Expanded Abstracts : 96-100. https://doi.org/10.1190/1.3513938 Plain-Language Summary PDF DownloadLoading ..." @default.
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- W2321993383 title "Long sweep times increase the recoverable higher frequencies for mid‐continent seismic data" @default.
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