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Characteristics and Mechanisms of Solvent Extraction of Heavy Oils from Porous Media

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Chemistry and Technology of Fuels and Oils Aims and scope

An analysis is made of the characteristics and mechanisms of extraction with propane of heavy oils from the porous medium of the Jiang 37 Block, Daqing Oilfield (China), which is characterized by shallow depth of oil occurrence, a thin oil-bearing stratum, poor permeability, and high oil viscosity. The results show that propane has a strong heavy oil extraction capacity and that the solubility of propane in the oil and density and viscosity of the oil depend on pressure. It is shown by gas chromatography and IR spectroscopy that the composition of the oil changes during the propane extraction process: the content of light components increases and the content of heavy components decreases due to deasphalting.

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This study was conducted with the support of Major National Special Projects for Oil and Gas (Project No. 2011ZX05012-003) and the Open Foundation of the Key Laboratory of Enhanced Oil and Gas Recovery of the Ministry of Education.

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Authors and Affiliations

  1. Northeast Petroleum University, Daqing, Heilongjiang, China

    Fajun Zhao, Yongjian Liu & Zhigang Geng

  2. Research Institute of Exploration and Development, PetroChina, Daqing Oilfield Company, Daqing, Heilongjiang, China

    Xin Zhao & Longri Tan

Authors
  1. Fajun Zhao
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  2. Yongjian Liu
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  3. Xin Zhao
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  4. Longri Tan
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  5. Zhigang Geng
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Translated from Khimiya i Tekhnologiya Topliv i Masel, No. 1, pp. 23 – 26, January– February, 2015.

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Zhao, F., Liu, Y., Zhao, X. et al. Characteristics and Mechanisms of Solvent Extraction of Heavy Oils from Porous Media. Chem Technol Fuels Oils 51, 33–40 (2015). https://doi.org/10.1007/s10553-015-0572-2

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  • DOI: https://doi.org/10.1007/s10553-015-0572-2

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