Hydrodynamic resistance model of oil flow in nanopores coupling oil–wall molecular interactions and the pore-throat structures effect

作者: Han Wang , Yuliang Su , Wendong Wang , Guanglong Sheng

DOI: 10.1016/J.CES.2019.115166

关键词:

摘要: Abstract Clarifying enhanced oil flow behaviors is crucial because of the large number pore-throat structures and complex oil–wall molecular interactions in shale/tight reservoirs. According to single pore model with structures, total hydrodynamic resistance models are established by coupling interaction effect entrance (caused structures). The results show that, decreasing interactions, decreases increasing slip length near-wall viscosity gradually dominates. Additionally, capacity when considering can be several times smaller than that without it. With minimum radius variation trend radius, increases, increase radius.

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