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- W2891554969 abstract "PreviousNext No AccessSEG Technical Program Expanded Abstracts 2018Depth registration of VSP DAS fiberAuthors: Adriana GordonDon LawtonKevin HallBarry FreifeldTom DaleyPaul CookAdriana GordonCREWES, University of CalgarySearch for more papers by this author, Don LawtonCREWES, University of Calgary; Containment & Monitoring Institute, CMC Research Institutes IncSearch for more papers by this author, Kevin HallCREWES, University of CalgarySearch for more papers by this author, Barry FreifeldLawrence Berkeley National LaboratorySearch for more papers by this author, Tom DaleyLawrence Berkeley National LaboratorySearch for more papers by this author, and Paul CookLawrence Berkeley National LaboratorySearch for more papers by this authorhttps://doi.org/10.1190/segam2018-2998408.1 SectionsAboutPDF/ePub ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinked InRedditEmail Abstract As part of the continuous monitoring program implemented at the CO2 injection site developed by Containment and Monitoring Institute, two Vertical Seismic Profiles (VSP) surveys were acquired at the Field Research Station (FRS) in Newell County, Alberta, Canada. The surveys were recorded with two different receiver types; a 24-level 3C geophone array and an integrated fibre optic cable, both Distributed Acoustic Sensing (DAS) and Distributed Temperature Sensing (DTS). A calibration step is necessary to register the precise depth of the DAS traces acquired with the straight fibre optic cable. This calibration consisted on two approaches; a cross-correlation based method and a time difference analysis between the DAS and geophone data. The cross-correlation results indicate an accurate depth registration of the DAS data with respect to the geophone data. A difference of 1 m was obtained for the straight fibre raw data. While the time difference analysis shows a similar result, a difference of 1.25 m for the straight cable. Furthermore, the DAS data was converted to geophone equivalent values through integration for comparison and a more accurate result was obtained for l the DAS data after the calibration workflow. In addition, a synthetic seismogram was generated and compared with corridor stacks obtained from a zero-offset DAS and geophone data processing. Presentation Date: Tuesday, October 16, 2018 Start Time: 9:20:00 AM Location: Poster Station 16 Presentation Type: Poster Keywords: vertical seismic profile (VSP), DAS (distributed acoustic sensors), fiber-optic sensorsPermalink: https://doi.org/10.1190/segam2018-2998408.1FiguresReferencesRelatedDetailsCited byDownhole Monitoring Using Distributed Acoustic Sensing: Fundamentals and Two Decades Deployment in Oil and Gas Industries21 March 2022A Literature Review10 December 2021On the Surmountable Limitations of Distributed Acoustic Sensing (DAS) Vertical Seismic Profiling (VSP) – Depth Calibration, Directionality, and Noise10 December 2021Ambient noise correlation study at the CaMI Field Research Station CO2 injection pilot site, Newell County, Alberta, CanadaMarie Macquet, Don. C. Lawton, and Helen. J. Isaac30 September 2020Exploring continuous seismic data for monitoring CO2 injection at the CaMI Field Research Station, Alberta, CanadaMarie Macquet and Donald C. Lawton1 August 2019 SEG Technical Program Expanded Abstracts 2018ISSN (print):1052-3812 ISSN (online):1949-4645Copyright: 2018 Pages: 5520 publication data© 2018 Published in electronic format with permission by the Society of Exploration GeophysicistsPublisher:Society of Exploration Geophysicists HistoryPublished Online: 27 Aug 2018 CITATION INFORMATION Adriana Gordon, Don Lawton, Kevin Hall, Barry Freifeld, Tom Daley, and Paul Cook, (2018), Depth registration of VSP DAS fiber, SEG Technical Program Expanded Abstracts : 5427-5431. https://doi.org/10.1190/segam2018-2998408.1 Plain-Language Summary Keywordsvertical seismic profile (VSP)DAS (distributed acoustic sensors)fiber-optic sensorsPDF DownloadLoading ..." @default.
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