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High Pressure Mercury Intrusion Porosimetry Analysis of the Influence of Fractal Dimensions on the Permeability of Tight Sandstone Oil Reservoirs

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Chemistry and Technology of Fuels and Oils Aims and scope

A Correction to this article was published on 15 January 2019

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In this paper, fractal characteristics of sandstone in the Chang 7 section of the Triassic Yanchang Formation of the Dingbian oilfield, Ordos Basin, China were analyzed by high pressure mercury intrusion porosimetry and the fractal model. The influence offractal parameters on rock permeability is discussed. Results show that fractal dimensions (Df) of sandstone samples range within 2.759-2.987, with an average of 2.890, and the mean capillary tortuosity fractal dimension (DT) ranges within 1.194-1.553, with an average of 1.391; Df is larger than Dr There is a strong negative correlation between rock permeability and Df or Dr Both Df and DT decrease with decreasing porosity of sandstone samples, indicating that connectivity between rock sample pores becomes poor and capillary tortuosity increases. The seepage path in low-permeability (tight) sandstone is much longer than in moderate-permeability sandstone, which is an important reason for the low permeability of the tight sandstone oil reservoir Meanwhile, the fractal model is an effective predictor of the permeability of tight sandstone oil reservoirs.

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Change history

  • 15 March 2019

    The corresponding author of the article is Guo Ying, E-mail: majian258741@163.com.

  • 15 March 2019

    The corresponding author of the article is Guo Ying, E-mail: majian258741@163.com.

  • 15 March 2019

    The corresponding author of the article is Guo Ying, E-mail: majian258741@163.com.

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This study was financially supported by the Natural Science Foundation of Shandong Province (ZR2017PD001) and Shandong Provincial Key Laboratory of Depositional Mineralization and Sedimentary Minerals at the Shandong University of Science and Technology (DMSM2017018).

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Authors and Affiliations

  1. Petroleum Engineering Institute, Xi’ an Shiyou University, Xi’ an, China

    Yang Changhua

  2. lnstitute of Geology and Paleontology, Linyi University, Linyi, China

    Guo Ying

  3. Shandong Provincial Key Laboratory of Depositional Mineralization & Sedimentary Minerals, Shandong University of Science and Technology, Linyi, China

    Guo Ying

  4. The First Oil Production Plant of Huabei Branch Company of CNPC, Hebei, China

    Shi Xiangyang & Li Shouying

Authors
  1. Yang Changhua
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  2. Guo Ying
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  3. Shi Xiangyang
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  4. Li Shouying
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Translated from Khimiya i Tekhnologiya Topliv i Masel, No. 5, pp. 74 — 78, September — October, 2018.

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Changhua, Y., Ying, G., Xiangyang, S. et al. High Pressure Mercury Intrusion Porosimetry Analysis of the Influence of Fractal Dimensions on the Permeability of Tight Sandstone Oil Reservoirs. Chem Technol Fuels Oils 54, 641–649 (2018). https://doi.org/10.1007/s10553-018-0970-3

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  • DOI: https://doi.org/10.1007/s10553-018-0970-3

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