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January 22, 2026GeoEnergy CommunicationsOpen Access

Multiscale evaluation of nanopore architecture and fractal geometry in shale reservoirs

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Authors

RFRuimin FengUniversity of IdahoRPRohit PandeyVirginia Tech

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Implication

Analysis of nanopore structure enhances assessment of gas transport in shale reservoirs, indicating new insights into storage capabilities.

Key Points

  • The study aims to evaluate the nanopore architecture and fractal characteristics in shale reservoirs for better gas storage and transport assessment.
  • Quantified pore architecture using X-ray diffraction, low-pressure nitrogen and carbon-dioxide adsorption, and scanning electron microscopy.
  • Analyzed mineral composition, specific surface area, pore volume, and pore heterogeneity across different scales.
  • Evaluated microporous and meso/macroporous development and related it to organic carbon and clay minerals.
  • Gas adsorption results correlated microporous surface area and pore volume with total organic carbon.
  • Observed unimodal pore size distribution in marine shale, while continental shale exhibited bimodal distribution.
  • Fractal dimensions from analysis indicated varying surface roughness and pore complexity across samples.

Cite This Study

Feng et al. (2026) studied this question.

synapsesocial.com/papers/6971bd6a642b1836717e2143https://doi.org/10.1007/s44421-025-00012-3
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  1. 1Physisorption of gases, with special reference to the evaluation of surface area and pore size distribution (IUPAC Technical Report)2015 · 21,086 citations
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