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Activated desorption at heterogeneous interfaces and long-time kinetics of hydrocarbon recovery from nanoporous media

Author

Listed:
  • Thomas Lee

    (MultiScale Materials Science for Energy and Environment, Joint CNRS-MIT Laboratory, UMI CNRS 3466, Massachusetts Institute of Technology
    Massachusetts Institute of Technology)

  • Lydéric Bocquet

    (MultiScale Materials Science for Energy and Environment, Joint CNRS-MIT Laboratory, UMI CNRS 3466, Massachusetts Institute of Technology
    Massachusetts Institute of Technology
    Laboratoire de Physique Statistique, UMR CNRS 8550)

  • Benoit Coasne

    (MultiScale Materials Science for Energy and Environment, Joint CNRS-MIT Laboratory, UMI CNRS 3466, Massachusetts Institute of Technology
    Massachusetts Institute of Technology
    Laboratoire Interdisciplinaire de Physique, CNRS and Université Grenoble Alpes)

Abstract

Hydrocarbon recovery from unconventional reservoirs (shale gas) is debated due to its environmental impact and uncertainties on its predictability. But a lack of scientific knowledge impedes the proposal of reliable alternatives. The requirement of hydrofracking, fast recovery decay and ultra-low permeability—inherent to their nanoporosity—are specificities of these reservoirs, which challenge existing frameworks. Here we use molecular simulation and statistical models to show that recovery is hampered by interfacial effects at the wet kerogen surface. Recovery is shown to be thermally activated with an energy barrier modelled from the interface wetting properties. We build a statistical model of the recovery kinetics with a two-regime decline that is consistent with published data: a short time decay, consistent with Darcy description, followed by a fast algebraic decay resulting from increasingly unreachable energy barriers. Replacing water by CO2 or propane eliminates the barriers, therefore raising hopes for clean/efficient recovery.

Suggested Citation

  • Thomas Lee & Lydéric Bocquet & Benoit Coasne, 2016. "Activated desorption at heterogeneous interfaces and long-time kinetics of hydrocarbon recovery from nanoporous media," Nature Communications, Nature, vol. 7(1), pages 1-10, September.
    • Handle: RePEc:nat:natcom:v:7:y:2016:i:1:d:10.1038_ncomms11890
    DOI: 10.1038/ncomms11890
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    Cited by:

    1. Wang, Tianyu & Tian, Shouceng & Li, Gensheng & Zhang, Liyuan & Sheng, Mao & Ren, Wenxi, 2021. "Molecular simulation of gas adsorption in shale nanopores: A critical review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 149(C).
    2. Huang, Xianfu & Zhao, Ya-Pu, 2023. "Evolution of pore structure and adsorption-desorption in oil shale formation rocks after compression," Energy, Elsevier, vol. 278(PA).
    3. WeiGang Yu & Jiang Lei & Tengxi Wang & Wei Chen, 2019. "H 2 O 2 -Enhanced Shale Gas Recovery under Different Thermal Conditions," Energies, MDPI, vol. 12(11), pages 1-12, June.
    4. Wang, Hui & Chen, Li & Qu, Zhiguo & Yin, Ying & Kang, Qinjun & Yu, Bo & Tao, Wen-Quan, 2020. "Modeling of multi-scale transport phenomena in shale gas production — A critical review," Applied Energy, Elsevier, vol. 262(C).
    5. Cao, Gaohui & Jiang, Wenbin & Lin, Mian & Ji, Lili & Xu, Zhipeng & Zheng, Siping & Hao, Fang, 2021. "Mortar dynamic coupled model for calculating interface gas exchange between organic and inorganic matters of shale," Energy, Elsevier, vol. 236(C).
    6. Yang, Ruiyue & Hong, Chunyang & Liu, Wei & Wu, Xiaoguang & Wang, Tianyu & Huang, Zhongwei, 2021. "Non-contaminating cryogenic fluid access to high-temperature resources: Liquid nitrogen fracturing in a lab-scale Enhanced Geothermal System," Renewable Energy, Elsevier, vol. 165(P1), pages 125-138.
    7. Zhuo Li & Zhenxue Jiang & Hailong Yu & Zhikai Liang, 2019. "Organic Matter Pore Characterization of the Wufeng-Longmaxi Shales from the Fuling Gas Field, Sichuan Basin: Evidence from Organic Matter Isolation and Low-Pressure CO 2 and N 2 Adsorption," Energies, MDPI, vol. 12(7), pages 1-15, March.

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