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• W2807712805 abstract "PreviousNext No AccessSEG Technical Program Expanded Abstracts 2015Repeatability measure for broadband 4D seismicAuthors: Didier Lecerf*Jon BurrenEd HodgesCaio BarrosDidier Lecerf*PGSSearch for more papers by this author, Jon BurrenPGSSearch for more papers by this author, Ed HodgesPGSSearch for more papers by this author, and Caio BarrosPGSSearch for more papers by this authorhttps://doi.org/10.1190/segam2015-5927745.1 SectionsSupplemental MaterialAboutPDF/ePub ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinked InRedditEmail Abstract Future time-lapse broadband surveys should provide better reservoir monitoring resolution by extending the 4D signal bandwidth. In this paper, we will review the consequence of extending the signal bandwidth for the computation of 4D attributes, primarily the widely used repeatability measurement NRMS. The re-formulation of NRMS shows the sensitivity of the repeatability metric with regards to signal time-shift and signal bandwidth. Broadening the 4D signal bandwidth will result in an increase of the overall NRMS value for an equivalent seismic data with the same level on non-repeatable noise. To compare the quality of 4D seismic, regardless of bandwidth, we propose a new repeatability measure called CNRMS. The bandwidth Calibrated NRMS provides repeatability metric for any 4D seismic as it would be calculated with a reference signal bandwidth. In order to extend the 4D signal bandwidth without compromising the repeatability, we propose that up-going pressure wavefields extracted from dual-sensor streamer are used for base and monitor surveys. It ensures the HF repeatability and highest 4D resolution Keywords: broadbandPermalink: https://doi.org/10.1190/segam2015-5927745.1FiguresReferencesRelatedDetailsCited by4D seismic co-processing pre-stack depth migration for scarce acquisition repeatability19 July 2022 | Journal of Petroleum Exploration and Production Technology, Vol. 13, No. 1Geological reservoir modeling and seismic reservoir monitoringReview Paper: Methods of measurement for 4D seismic post‐stack time shifts24 September 2020 | Geophysical Prospecting, Vol. 68, No. 9A time-lapse case study in West Africa: Integrating disciplines for a complete reservoir study and field managementBruce Webb, Salvatore Salerno, Catia Rizzetto, Jacopo Panizzardi, Marco Marchesini, Massimo Fervari, Christina De Draganich, Nazzarena Colombi, and Mirko Calderoni3 February 2020 | The Leading Edge, Vol. 39, No. 2The effect of deghosting on the 4D response: Usan field, NigeriaPiero Agnisola, Ross O’Driscoll, Philip G. Smith, Dez Chu, Essiet E. Assiak, Charles Ugwueze, and Paula Ukerun10 August 2019From feasibility to reservoir characterization: A fully integrated 4D seismic approach for reservoir management — A case study in the western African offshoreB. Webb, C. Rizzetto, M. Marchesini, N. Colombi, J. Panizzardi, V. Milluzzo, A. Cimitan, I. Franco, A. Ottaviani, C. Reiser, and D. Lecerf10 August 2019Repeatability of high-resolution 3D seismic dataMalin Waage, Stefan Bünz, Martin Landrø, Andreia Plaza-Faverola, and Kate A. Waghorn21 December 2018 | GEOPHYSICS, Vol. 84, No. 14D analysis, combining shallow hydrophone and multi-component streamer: The Cinguvu Field Offshore Angola exampleCyrille Reiser, Bruce Webb, Massimiliano Bertarini, Didier Lecerf, Vincenzo Milluzzo, and Catia Rizzetto27 August 2018 SEG Technical Program Expanded Abstracts 2015ISSN (print):1052-3812 ISSN (online):1949-4645Copyright: 2015 Pages: 5634 publication data© 2015 Published in electronic format with permission by the Society of Exploration GeophysicistsPublisher:Society of Exploration Geophysicists HistoryPublished Online: 19 Aug 2015 CITATION INFORMATION Didier Lecerf*, Jon Burren, Ed Hodges, and Caio Barros, (2015), Repeatability measure for broadband 4D seismic, SEG Technical Program Expanded Abstracts : 5483-5487. https://doi.org/10.1190/segam2015-5927745.1 Plain-Language Summary KeywordsbroadbandPDF DownloadLoading ..." @default.
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