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Pore Structure Characterization and the Controlling Factors of the Bakken Formation

Author

Listed:
  • Yuming Liu

    (State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum, Beijing 102249, China)

  • Bo Shen

    (Geophysics and Oil Resource Institute, Yangtze University, Wuhan 430100, China)

  • Zhiqiang Yang

    (Exploration & Development Research Institute of Liaohe Oilfield Company, Petrochina, Panjin 124000, China)

  • Peiqiang Zhao

    (Institute of Geophysics and Geomatics, China University of Geosciences, Wuhan 430074, China)

Abstract

The Bakken Formation is a typical tight oil reservoir and oil production formation in the world. Pore structure is one of the key factors that determine the accumulation and production of the hydrocarbon. In order to study the pore structures and main controlling factors of the Bakken Formation, 12 samples were selected from the Bakken Formation and conducted on a set of experiments including X-ray diffraction mineral analysis (XRD), total organic carbon (TOC), vitrinite reflectance (R o ), and low-temperature nitrogen adsorption experiments. Results showed that the average TOC and R o of Upper and Lower Bakken shale is 10.72 wt% and 0.86%, respectively. The Bakken Formation develops micropores, mesopores, and macropores. However, the Upper and Lower Bakken shale are dominated by micropores, while the Middle Bakken tight reservoir is dominated by mesopores. The total pore volume and specific surface area of the Middle Bakken are significantly higher than those of the Upper and Lower Bakken, indicating that Middle Bakken is more conducive to the storage of oil and gas. Through analysis, the main controlling factors for the pore structure of the Upper and Lower Bakken shale are TOC and maturity, while those for Middle Bakken are clay and quartz contents.

Suggested Citation

  • Yuming Liu & Bo Shen & Zhiqiang Yang & Peiqiang Zhao, 2018. "Pore Structure Characterization and the Controlling Factors of the Bakken Formation," Energies, MDPI, vol. 11(11), pages 1-15, October.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:11:p:2879-:d:177868
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    Citations

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    Cited by:

    1. Jianchao Cai & Shuyu Sun & Ali Habibi & Zhien Zhang, 2019. "Emerging Advances in Petrophysics: Porous Media Characterization and Modeling of Multiphase Flow," Energies, MDPI, vol. 12(2), pages 1-5, January.
    2. Xiaoyan Zou & Xianqing Li & Jizhen Zhang & Huantong Li & Man Guo & Pei Zhao, 2021. "Characteristics of Pore Structure and Gas Content of the Lower Paleozoic Shale from the Upper Yangtze Plate, South China," Energies, MDPI, vol. 14(22), pages 1-29, November.
    3. Jirui Zou & Xiangan Yue & Weiqing An & Jun Gu & Liqi Wang, 2019. "Applicability Analysis of Klinkenberg Slip Theory in the Measurement of Tight Core Permeability," Energies, MDPI, vol. 12(12), pages 1-16, June.
    4. Heting Gao & Xinping Zhou & Zhigang Wen & Wen Guo & Weichao Tian & Shixiang Li & Yunpeng Fan & Yushu Luo, 2022. "Classification and Evaluation of Shale Oil Reservoirs of the Chang 7 1-2 Sub-Member in the Longdong Area," Energies, MDPI, vol. 15(15), pages 1-18, July.

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