IDEAS home Printed from https://ideas.repec.org/a/gam/jeners/v16y2023i4p1663-d1060672.html
   My bibliography  Save this article

Quantitative Characterization of Pore Structure Parameters in Coal Based on Image Processing and SEM Technology

Author

Listed:
  • Mingyue Jia

    (Key Laboratory for Marine Reservoir Evolution and Hydrocarbon Abundance Mechanism, School of Energy Resources, China University of Geosciences (Beijing), Xueyuan Road No. 29, Haidian District, Beijing 100083, China)

  • Wenhui Huang

    (Key Laboratory for Marine Reservoir Evolution and Hydrocarbon Abundance Mechanism, School of Energy Resources, China University of Geosciences (Beijing), Xueyuan Road No. 29, Haidian District, Beijing 100083, China
    Coal Reservoir Laboratory of National Engineering Research Center of CBM Development & Utilization, China University of Geosciences (Beijing), Xueyuan Road No. 29, Haidian District, Beijing 100083, China)

  • Yuan Li

    (Key Laboratory for Marine Reservoir Evolution and Hydrocarbon Abundance Mechanism, School of Energy Resources, China University of Geosciences (Beijing), Xueyuan Road No. 29, Haidian District, Beijing 100083, China)

Abstract

The pore structure parameters of coal have an important influence on the exploration and development of coalbed methane. In this study, a series of pore structure parameters, including porosity, pore radius, pore throat radius, pore coordination number, pore throat ratio, and specific surface area, are identified, extracted, and calculated in the scanning electron microscopy (SEM) images of coal reservoir samples using algorithms and application programs in MATLAB. Constant rate-controlled mercury injection and low-temperature N 2 adsorption experiments were carried out to determine the accuracy of the SEM image-based processing analysis results. Characterization results show that the distribution of pore radius in the target coal samples of different organic matters range from 15 nm to 500 μm with porosity of 1.87–8.31% and radius distribution of 12.7 nm to ~100 μm. A noise-reduction system was constructed to eliminate the optical noise of non-porous features and repair the space affected by binarization noise. It is suggested that the characterization processing in this study is suitable for coal or other organic-rich porous materials with porosity > 2% and pore radius > 15 nm.

Suggested Citation

  • Mingyue Jia & Wenhui Huang & Yuan Li, 2023. "Quantitative Characterization of Pore Structure Parameters in Coal Based on Image Processing and SEM Technology," Energies, MDPI, vol. 16(4), pages 1-19, February.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:4:p:1663-:d:1060672
    as

    Download full text from publisher

    File URL: https://www.mdpi.com/1996-1073/16/4/1663/pdf
    Download Restriction: no
    File URL: https://www.mdpi.com/1996-1073/16/4/1663/
    Download Restriction: no
    ---><---

    References listed on IDEAS

    as
    1. Sotirios Nik. Longinos & Lei Wang & Randy Hazlett, 2022. "Advances in Cryogenic Fracturing of Coalbed Methane Reservoirs with LN 2," Energies, MDPI, vol. 15(24), pages 1-21, December.
    2. Andrzej Olajossy & Jerzy Cieślik, 2019. "Why Coal Bed Methane (CBM) Production in Some Basins is Difficult," Energies, MDPI, vol. 12(15), pages 1-21, July.
    3. Lu, Yiyu & Chen, Xiayu & Tang, Jiren & Li, Honglian & Zhou, Lei & Han, Shuaibin & Ge, Zhaolong & Xia, Binwei & Shen, Huajian & Zhang, Jing, 2019. "Relationship between pore structure and mechanical properties of shale on supercritical carbon dioxide saturation," Energy, Elsevier, vol. 172(C), pages 270-285.
    4. Zhu, Hongjian & Ju, Yiwen & Huang, Cheng & Chen, Fangwen & Chen, Bozhen & Yu, Kun, 2020. "Microcosmic gas adsorption mechanism on clay-organic nanocomposites in a marine shale," Energy, Elsevier, vol. 197(C).
    5. Liqun Shan & Chengqian Liu & Yanchang Liu & Weifang Kong & Xiali Hei, 2022. "Rock CT Image Super-Resolution Using Residual Dual-Channel Attention Generative Adversarial Network," Energies, MDPI, vol. 15(14), pages 1-18, July.
    Full references (including those not matched with items on IDEAS)

    Most related items

    These are the items that most often cite the same works as this one and are cited by the same works as this one.
    1. Zhou, Junping & Tian, Shifeng & Zhou, Lei & Xian, Xuefu & Yang, Kang & Jiang, Yongdong & Zhang, Chengpeng & Guo, Yaowen, 2020. "Experimental investigation on the influence of sub- and super-critical CO2 saturation time on the permeability of fractured shale," Energy, Elsevier, vol. 191(C).
    2. Sun, Wenjibin & Zuo, Yujun & Lin, Zhang & Wu, Zhonghu & Liu, Hao & Lin, Jianyun & Chen, Bin & Chen, Qinggang & Pan, Chao & Lan, Baofeng & Liu, Song, 2023. "Impact of tectonic deformation on shale pore structure using adsorption experiments and 3D digital core observation: A case study of the Niutitang Formation in Northern Guizhou," Energy, Elsevier, vol. 278(C).
    3. Gou, Qiyang & Xu, Shang & Hao, Fang & Yang, Feng & Shu, Zhiguo & Liu, Rui, 2021. "The effect of tectonic deformation and preservation condition on the shale pore structure using adsorption-based textural quantification and 3D image observation," Energy, Elsevier, vol. 219(C).
    4. Ozotta, Ogochukwu & Kolawole, Oladoyin & Lamine Malki, Mohamed & Ore, Tobi & Gentzis, Thomas & Fowler, Hallie & Liu, Kouqi & Ostadhassan, Mehdi, 2022. "Nano- to macro-scale structural, mineralogical, and mechanical alterations in a shale reservoir induced by exposure to supercritical CO2," Applied Energy, Elsevier, vol. 326(C).
    5. Golsanami, Naser & Jayasuriya, Madusanka N. & Yan, Weichao & Fernando, Shanilka G. & Liu, Xuefeng & Cui, Likai & Zhang, Xuepeng & Yasin, Qamar & Dong, Huaimin & Dong, Xu, 2022. "Characterizing clay textures and their impact on the reservoir using deep learning and Lattice-Boltzmann simulation applied to SEM images," Energy, Elsevier, vol. 240(C).
    6. Li, Ze & Li, Gao & Li, Hongtao & Liu, Jinyuan & Jiang, Zujun & (Bill) Zeng, Fanhua, 2023. "Effects of shale swelling on shale mechanics during shale–liquid interaction," Energy, Elsevier, vol. 279(C).
    7. Qin, Chao & Jiang, Yongdong & Luo, Yahuang & Zhou, Junping & Liu, Hao & Song, Xiao & Li, Dong & Zhou, Feng & Xie, Yingliang, 2020. "Effect of supercritical CO2 saturation pressures and temperatures on the methane adsorption behaviours of Longmaxi shale," Energy, Elsevier, vol. 206(C).
    8. Lu, Yiyu & Xu, Zijie & Li, Honglian & Tang, Jiren & Chen, Xiayu, 2021. "The influences of super-critical CO2 saturation on tensile characteristics and failure modes of shales," Energy, Elsevier, vol. 221(C).
    9. Feng, Qianqian & Qiu, Nansheng & Borjigin, Tenger & Wu, Hang & Zhang, Jiatang & Shen, Baojian & Wang, Jiangshan, 2022. "Tectonic evolution revealed by thermo-kinematic and its effect on shale gas preservation," Energy, Elsevier, vol. 240(C).
    10. Li, Sihai & Zhang, Shicheng & Xing, Huilin & Zou, Yushi, 2022. "CO2–brine–rock interactions altering the mineralogical, physical, and mechanical properties of carbonate-rich shale oil reservoirs," Energy, Elsevier, vol. 256(C).
    11. Chunsheng Yu & Xiao Zhao & Qi Jiang & Xiaosha Lin & Hengyuan Gong & Xuanqing Chen, 2022. "Shale Microstructure Characteristics under the Action of Supercritical Carbon Dioxide (Sc-CO 2 )," Energies, MDPI, vol. 15(22), pages 1-9, November.
    12. Wu, Jianguo & Luo, Chao & Zhong, Kesu & Li, Yi & Li, Guoliang & Du, Zhongming & Yang, Jijin, 2023. "Innovative characterization of organic nanopores in marine shale by the integration of HIM and SEM," Energy, Elsevier, vol. 282(C).
    13. Sun, Fengrui & Liu, Dameng & Cai, Yidong & Qiu, Yongkai, 2023. "Coal rank-pressure coupling control mechanism on gas adsorption/desorption in coalbed methane reservoirs," Energy, Elsevier, vol. 270(C).
    14. Xin Li & Jie Zhang & Rongxin Li & Qi Qi & Yundong Zheng & Cuinan Li & Ben Li & Changjun Wu & Tianyu Hong & Yao Wang & Xiaoxiao Du & Zaipeng Zhao & Xu Liu, 2021. "Numerical Simulation Research on Improvement Effect of Ultrasonic Waves on Seepage Characteristics of Coalbed Methane Reservoir," Energies, MDPI, vol. 14(15), pages 1-15, July.
    15. Cheng, P. & Zhang, C.P. & Ma, Z.Y. & Zhou, J.P. & Zhang, D.C. & Liu, X.F. & Chen, H. & Ranjith, P.G., 2022. "Experimental study of micromechanical properties alterations of shale matrix treated by ScCO2-Water saturation using nanoindentation tests," Energy, Elsevier, vol. 242(C).
    16. Nie, Bin, 2023. "Diffusion characteristics of shale mixed gases on the wall of microscale fractures," Energy, Elsevier, vol. 284(C).
    17. Choi, Chae-Soon & Kim, Jineon & Song, Jae-Joon, 2021. "Analysis of shale property changes after geochemical interaction under CO2 sequestration conditions," Energy, Elsevier, vol. 214(C).
    18. Wang, Sijia & Jiang, Lanlan & Cheng, Zucheng & Liu, Yu & Zhao, Jiafei & Song, Yongchen, 2021. "Experimental study on the CO2-decane displacement front behavior in high permeability sand evaluated by magnetic resonance imaging," Energy, Elsevier, vol. 217(C).
    19. Stian Rørheim & Mohammad Hossain Bhuiyan & Andreas Bauer & Pierre Rolf Cerasi, 2021. "On the Effect of CO 2 on Seismic and Ultrasonic Properties: A Novel Shale Experiment," Energies, MDPI, vol. 14(16), pages 1-20, August.
    20. Hongyan Wang & Shangwen Zhou & Jiehui Zhang & Ziqi Feng & Pengfei Jiao & Leifu Zhang & Qin Zhang, 2021. "Clarifying the Effect of Clay Minerals on Methane Adsorption Capacity of Marine Shales in Sichuan Basin, China," Energies, MDPI, vol. 14(20), pages 1-15, October.

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:gam:jeners:v:16:y:2023:i:4:p:1663-:d:1060672. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    If CitEc recognized a bibliographic reference but did not link an item in RePEc to it, you can help with this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: MDPI Indexing Manager (email available below). General contact details of provider: https://www.mdpi.com .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.