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Re-thinking methane storage mechanism in highly metamorphic coalbed reservoirs — A molecular simulation considering organic components

Author

Listed:
  • Fu, Shenguang
  • Wang, Liang
  • Li, Shuohao
  • Ni, Sijia
  • Cheng, Yuanping
  • Zhang, Xiaolei
  • Liu, Shimin

Abstract

Highly metamorphic coal plays a significant role in China's energy development plan owing to its high calorific value. Its complex organic composition provides outstanding storage capabilities for methane (clean and efficient unconventional natural gas), which leads to terrible gas outburst hazards. Minimizing the main storage sites of CH4 (micropores) through organic solvent extraction provides an efficient and safe route for exploiting coal and natural gas energy sources. This phenomenon can be elucidated by the removal of the chemical components that have an adverse impact on the micropore filling theory. In this study, we constructed macromolecular models of highly metamorphic coal, and relative dynamic simulations under experiment and field conditions are performed. The corresponding CH4 storage capacity and spatial coordination distribution of the coal after five treatments were derived. Combined with the results of the micropore filling theory, it was shown that the equilibrium distance of CH4 filling in the micropore increased with the degree of extraction (from 0.351 nm for XT to 0.572 nm for XT-DMF). Also, the trend of CH4 adsorption position in the representative samples (the number of monolayer affixations decreased from 10 to 9) provides crucial support for the conclusions, and the low-potential region with a high potential difference contributes to CH4 stability. The breakthrough of this study will provide strong support and a solid theoretical basis for the efficient and safe exploitation of CBM (Coalbed methane) energy resources.

Suggested Citation

  • Fu, Shenguang & Wang, Liang & Li, Shuohao & Ni, Sijia & Cheng, Yuanping & Zhang, Xiaolei & Liu, Shimin, 2024. "Re-thinking methane storage mechanism in highly metamorphic coalbed reservoirs — A molecular simulation considering organic components," Energy, Elsevier, vol. 293(C).
    • Handle: RePEc:eee:energy:v:293:y:2024:i:c:s0360544224002159
    DOI: 10.1016/j.energy.2024.130444
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    1. Zhao, Jingyu & Deng, Jun & Chen, Long & Wang, Tao & Song, Jiajia & Zhang, Yanni & Shu, Chi-Min & Zeng, Qiang, 2019. "Correlation analysis of the functional groups and exothermic characteristics of bituminous coal molecules during high-temperature oxidation," Energy, Elsevier, vol. 181(C), pages 136-147.
    2. Li, Jinhu & Lu, Wei & Li, Jinliang & Yang, Yongliang & Li, Zenghua, 2023. "Mutual conversion of active sites and oxygen-containing functional groups during low-temperature oxidation of coal," Energy, Elsevier, vol. 272(C).
    3. Li, Zhongbei & Ren, Ting & Li, Xiangchun & Cheng, Yuanping & He, Xueqiu & Lin, Jia & Qiao, Ming & Yang, Xiaohan, 2023. "Full-scale pore structure characterization of different rank coals and its impact on gas adsorption capacity: A theoretical model and experimental study," Energy, Elsevier, vol. 277(C).
    4. Cai, Jiawei & Wang, Ruwei & Niu, Zhiyuan & Huang, Qing & Huang, Zhuliang & Xu, Yuchan & Yang, Qiling & Liu, Zhixiang, 2023. "Evolutions of functional groups and polycyclic aromatic hydrocarbons during low temperature pyrolysis of a perhydrous bituminous coal," Energy, Elsevier, vol. 279(C).
    5. Chen, Jingping & Feng, Shaohang, 2020. "Evaluating a large geothermal absorber’s energy extraction and storage performance in a common geological condition," Applied Energy, Elsevier, vol. 279(C).
    6. Nie, Bin & Sun, Sijia, 2023. "Thermal recovery of coalbed methane: Modeling of heat and mass transfer in wellbores," Energy, Elsevier, vol. 263(PD).
    7. Wang, Feiran & Tan, Bo & Zan, Xiaoyan & Huang, Jiliang & Fang, Xiyang & Fu, Shuhui & Wang, Haiyan & Li, Tianze & Qi, Qingjie, 2024. "Molecular simulation study of microstructural evolution during low-temperature oxidation of coal," Energy, Elsevier, vol. 290(C).
    8. Huang, Liang & Ning, Zhengfu & Wang, Qing & Zhang, Wentong & Cheng, Zhilin & Wu, Xiaojun & Qin, Huibo, 2018. "Effect of organic type and moisture on CO2/CH4 competitive adsorption in kerogen with implications for CO2 sequestration and enhanced CH4 recovery," Applied Energy, Elsevier, vol. 210(C), pages 28-43.
    9. Meng, Xianliang & Sun, Jiali & Chu, Ruizhi & Fan, Lulu & Jiang, Xiaofeng & Tang, Ludeng & Zheng, Donglin, 2023. "Effect of active functional groups in coal on the release behavior of small molecule gases during low-temperature oxidation," Energy, Elsevier, vol. 273(C).
    10. Qin, Lei & Wang, Ping & Lin, Haifei & Li, Shugang & Zhou, Bin & Bai, Yang & Yan, Dongjie & Ma, Chao, 2023. "Quantitative characterization of the pore volume fractal dimensions for three kinds of liquid nitrogen frozen coal and its enlightenment to coalbed methane exploitation," Energy, Elsevier, vol. 263(PA).
    Full references (including those not matched with items on IDEAS)

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