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Comparison of Positron Emission Tomography and X-ray radiography for studies of physical processes in sandstone

✍ Scribed by Patrick Goethals; Anneke Volkaert; Patric Jacobs; Staf Roels; Jan Carmeliet

Publisher: Elsevier Science
Year: 2009
Tongue: English
Weight: 481 KB
Volume: 103
Category: Article
ISSN: 0013-7952
DOI: 10.1016/j.enggeo.2008.06.015

No coin nor oath required. For personal study only.

✦ Synopsis

The migration of moisture in cores of porous homogeneous sandstone of Ledian age (Belgian Eocene, Tertiary) is monitored with PET (Positron Emission Tomography) and micro-focus X-ray radiography. In the case of PET, a nuclear medical imaging technique, 55 Co-EDTA (Ethylenediamine Tetraacetic acid) and R-18 F were used as water-soluble tracers. The X-ray projection method has evolved from the better-known medical technique and allows a fast and accurate determination of the two-dimensional transient moisture content profiles. Results indicate that both techniques can deliver important information concerning physical processes in situ.

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