Quantification of three-phase fluid distribution in a porous medium by measuring X-ray transmission intensity
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概要
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A new X-ray transmission measurement with dispersion X-ray spectrometry was developed to quantify three-phase fluid distribution in a porous medium. The X-ray transmission intensities through a porous medium were measured with energy dispersion X-ray spectrometry, and the spatial distribution of each phase (water, oil, and air) fluid in the medium was quantified by using intensities at two appropriate frequency bands. The technique was applied to measure the spatially distributed three-phase fluid contents in two different porous media, and was proved to be able to quantify three-phase fluid distribution in porous media with sufficient accuracy. This paper suggested the possibility to quantify temporal change of three-dimensional distribution of threephase fluids in a porous medium by integrating the energy dispersion X-ray spectrometry with traditional CT technique.
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