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- W2321356768 abstract "PreviousNext No AccessSEG Technical Program Expanded Abstracts 2013Simulation of time-lapse for the Ketzin CO2 storage site assuming single seismic ACROSS and multi-seismic receiversAuthors: J. KasaharaA. KatoM. TakanashiY. HasadaS. LüthC. JuhlinJ. KasaharaTokyo U Marine Science & Technology and Shizuoka USearch for more papers by this author, A. KatoJOGMECSearch for more papers by this author, M. TakanashiJOGMECSearch for more papers by this author, Y. HasadaDaiwa Exploration and Consulting Co. Ltd.Search for more papers by this author, S. LüthGFZSearch for more papers by this author, and C. JuhlinUppsala USearch for more papers by this authorhttps://doi.org/10.1190/segam2013-0525.1 SectionsSupplemental MaterialAboutPDF/ePub ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinked InRedditEmail Abstract Time-lapse-studies of the CCS, CO2-EOR and fractured zones of shale gas production is now one of very important technologies. The seismic-ACROSS (Accurately Controlled and Routinely Operated Signal System) can generate very stable and continuous seismic waves for long time, it might be one of the most suitable methods for the time lapse works. Assuming a single ACROSS source and a multi-geophone array, we have made simulation at the Ketzin pilot site for CO2 storage in Germany. At Ketzin, CO2 has been injected since July, 2008. About 62 ktons of super-critical CO2 have been injected to date at about 630-650 m depth, and injection will continue into 2013. To monitor how the injected CO2 behaves after injection is extremely important for studying the long term behavior of a storage site. The objectives of this study are to find the most suitable locations for an ACROSS-source and receivers at the Ketzin site given infrastructure constraints. Results using the velocity-density structure site model show that a rectangular injection zone 200 m wide and 10 m thick at 665 m depth is well imaged. We also made 3D simulation in Ketzin. The result suggests that large aperture is very important to obtain better image. This result encourages us to plan for using an ACROSS-source for time-lapse-studies to monitor the migration of injected CO2 at Ketzin, even after injection has finished. Permalink: https://doi.org/10.1190/segam2013-0525.1FiguresReferencesRelatedDetailsCited ByTime-lapse imaging of air injection using the ultrastable ACROSS seismic source and reverse-time imaging methodThe Performance of an ACROSS Permanent Seismic Source for Time Lapse Seismic at the Aquistore CO2 Storage Site12 November 2016Field data observation and numerical study using a permanent seismic source ACROSS towards hydrocarbon reservoir monitoringMamoru Takanashi, Ayato Kato, and Junzo Kasahara15 January 2014 SEG Technical Program Expanded Abstracts 2013ISSN (print):1052-3812 ISSN (online):1949-4645Copyright: 2013 Pages: 5258 Publisher:Society of Exploration Geophysicists HistoryPublished: 19 Aug 2013 CITATION INFORMATION J. Kasahara, A. Kato, M. Takanashi, Y. Hasada, S. Lüth, and C. Juhlin, (2013), Simulation of time-lapse for the Ketzin CO2 storage site assuming single seismic ACROSS and multi-seismic receivers, SEG Technical Program Expanded Abstracts : 5021-5025. https://doi.org/10.1190/segam2013-0525.1 Plain-Language Summary PDF DownloadLoading ..." @default.
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- W2321356768 date "2013-08-19" @default.
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- W2321356768 title "Simulation of time-lapse for the Ketzin CO2 storage site assuming single seismic ACROSS and multi-seismic receivers" @default.
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