ArticleScientific reports2026
Pore-structure controls on absolute permeability of 1-mm digital sandstone subsamples under a fixed CT field of view.
Article in Scientific reports, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Absolute permeability is a key index for evaluating the fluid transmission capacity of sandstone reservoirs. However, what determines its value is not just the pore volume itself, but also whether the effective flow-transmission space is formed, whether the dominant throats are unobstructed, and whether the pore network organization is favorable for flow connectivity. In this paper, we take 20 1 mm × 1 mm × 1 mm digital sub-samples cropped from the fixed CT field of view of 5 parent sandstone samples as the research object. Based on X-ray micro-CT, we built digital core models, finished pore space characterization, pore structure parameter extraction and single-phase seepage simulation with Avizo software, and used the geometric mean of three-directional absolute permeability, k
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