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August 15, 2025SPE Journal

Mechanisms of Shale Oil Occurrence at the Nanoscale: A Molecular Dynamics Study

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Authors

PXPeixing XuChina University of GeosciencesFYFeng YangChina University of GeosciencesHZHe ZhengChina University of Geosciences

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Implication

Molecular dynamics simulations reveal how shale oil adsorbs in nanopores, highlighting competitive interactions among compounds.

Key Points

  • Fluids demonstrate layer-by-layer adsorption on pore surfaces, impacting shale oil mobility and recovery.
  • In simulations, n-octane shows the strongest interaction with kerogen, while pyridine excels in montmorillonite adsorptions.
  • Molecular dynamics simulations provide insights into the adsorption behaviors of oil mixtures in shales, revealing critical mechanisms.
  • As pore size increases, more shale oil transitions from an adsorbed state to a free state, enhancing mobility.

Cite This Study

Xu et al. (2025) studied this question.

synapsesocial.com/papers/68a365740a429f797332bc89https://doi.org/10.2118/230278-pa
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