Petrographic image analysis for determining capillary pressure in porous media
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United States of America Patent
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Dec 9, 2014
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Feb 28, 2012
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Feb 28, 2011
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Abstract
This disclosed subject matter is generally related to methods for characterizing two-dimensional (2D) and three-dimensional (3D) samples to determine pore-body and pore-throat size distributions and capillary pressure curves in porous media using petrographic image analysis. Input includes high-resolution petrographic images and laboratory-derived porosity measurements. Output includes: (1) pore-body and pore-throat size distributions, and (2) simulated capillary pressure curves for both pore bodies and pore throats.
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