Abstract
PreviousNext No AccessSEG Technical Program Expanded Abstracts 2016Micro X-ray CT imaging of sediments under confining pressureAuthors: Mandy SchindlerManika PrasadMandy SchindlerColorado School of MinesSearch for more papers by this author and Manika PrasadColorado School of MinesSearch for more papers by this authorhttps://doi.org/10.1190/segam2016-13966227.1 SectionsSupplemental MaterialAboutPDF/ePub ToolsAdd to favoritesDownload CitationsTrack CitationsPermissions ShareFacebookTwitterLinked InRedditEmail Abstract We developed a pressure and temperature control system for use inside the micro X-ray CT scanner Xradia 400. We succeeded in building a pressure vessel that can be pressurized to 34.5 MPa (5000 psi) while being transparent to X-rays. The setup can currently be cooled to -5°C and heated to 40°C. We were able to observe grain damage and porosity reduction due to applied confining pressure in clean quartz sand samples and quartz sand and bentonite samples. The pressure control system in combination with ultrasonic transducers will allow to visually observe pore scale changes in rock samples (such as crack closure, grain damage, porosity reduction, changes in saturation) while simultaneously identifying their influence on elastic properties. Presentation Date: Tuesday, October 18, 2016 Start Time: 2:15:00 PM Location: 167 Presentation Type: ORAL Keywords: imaging, rock physics, ultrasonicPermalink: https://doi.org/10.1190/segam2016-13966227.1FiguresReferencesRelatedDetailsCited byProperty changes of oil shale during artificial maturation: The Irati Formation from the Paraná Basin, BrazilJames Moyer and Manika Prasad19 September 2017 | GEOPHYSICS, Vol. 82, No. 6 SEG Technical Program Expanded Abstracts 2016ISSN (print):1052-3812 ISSN (online):1949-4645Copyright: 2016 Pages: 5654 publication data© 2016 Published in electronic format with permission by the Society of Exploration GeophysicistsPublisher:Society of Exploration Geophysicists HistoryPublished Online: 01 Sep 2016 CITATION INFORMATION Mandy Schindler and Manika Prasad, (2016), "Micro X-ray CT imaging of sediments under confining pressure," SEG Technical Program Expanded Abstracts : 3216-3220. https://doi.org/10.1190/segam2016-13966227.1 Plain-Language Summary Keywordsimagingrock physicsultrasonicPDF DownloadLoading ...
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