Volume 13 Issue 5
Sep.  2022
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Wei Dang, Haikuan Nie, Jinchuan Zhang, Xuan Tang, Shu Jiang, Xiaoliang Wei, Yang Liu, Fengqin Wang, Pei Li, Zhipeng Chen. Pore-scale mechanisms and characterization of light oil storage in shale nanopores: New method and insights[J]. Geoscience Frontiers, 2022, 13(5): 101424. doi: 10.1016/j.gsf.2022.101424
Citation: Wei Dang, Haikuan Nie, Jinchuan Zhang, Xuan Tang, Shu Jiang, Xiaoliang Wei, Yang Liu, Fengqin Wang, Pei Li, Zhipeng Chen. Pore-scale mechanisms and characterization of light oil storage in shale nanopores: New method and insights[J]. Geoscience Frontiers, 2022, 13(5): 101424. doi: 10.1016/j.gsf.2022.101424

Pore-scale mechanisms and characterization of light oil storage in shale nanopores: New method and insights

doi: 10.1016/j.gsf.2022.101424

This study was supported by the National Natural Science Foundation of China (Grant Nos. 41872124, 1972132, 42072174, 41730421, and 41972132) and the Open Foundation of provincial and ministerial Key Laboratory of China University of Geosciences (Beijing) (Grant No. 20210104).

  • Received Date: 2021-10-26
  • Accepted Date: 2022-06-14
  • Rev Recd Date: 2022-06-05
  • Publish Date: 2022-06-17
  • A new method is proposed to analyze the pore-scale mechanisms and characterization of light oil storage in shale nanopores, which is based on the Hydrocarbon Vapor Adsorption (HVA) and Pore Calculation Model (PCM). First, the basic principle of the HVA-PCM method is introduced, and the experimental/mathematical analysis processes are given. Then, the HVA-PCM method is applied to shale samples to analyze the mechanisms and characterization of light oil storage in shale nanopores. The results provide insights into the pore-scale oil storage mechanisms, oil storage structure, oil film thickness, oil distribution within different sized pores, and the oil storage state. Finally, the advantages and limitations of the HVA-PCM method are discussed, and suggestions for further improvement are proposed. Overall, the HVA-PCM method is a powerful tool for extracting quantitative information on the light oil storage in shale nanopores.
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