Journal
GEOTHERMICS
Volume 66, Issue -, Pages 143-150Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.geothermics.2016.12.005
Keywords
Thermal conductivity map; Porosity map; Heterogeneity; Geothermal
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Thanks to thermal conductivity maps, obtained from Optical Scanning method, and porosity maps, inferred from thermal conductivity maps, we have studied petrophysical heterogeneities commonly present in a granitic and sandstone geothermal reservoir (fault zone and permeable layers, respectively). The maps allowed determination of thermal conductivity and porosity variation to millimeter resolution, at a core scale. They permitted precise quantification and determination of the size of petrophysical heterogeneities (thermal conductivity and porosity) induced by rock variability. (C) 2016 Elsevier Ltd. All rights reserved.
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