Sample Size Effects on Petrophysical Characterization and Fluid-to-Pore Accessibility of Natural Rocks.

Nanomaterials (Basel) · 2023 · PMC10220744 · PMID 37242067

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From 1 cm 3 cube to 177–500 μm, the porosities of the Atco Chalk, Eagle Ford B, Buda Limestone, and Salmon peak Limestone samples increase with decreasing sample sizes, whereas Eagle Ford A and Woodbine Sandstone show decreasing porosity values, and Paluxy Sandstone and Haynesville Shale do not show an obvious trend.

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