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Experimental Research on the Mechanical Properties of Methane Hydrate-Ice Mixtures

Author

Listed:
  • Yanghui Li

    (Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Dalian University of Technology, Dalian 116024, China)

  • Yongchen Song

    (Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Dalian University of Technology, Dalian 116024, China)

  • Weiguo Liu

    (Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Dalian University of Technology, Dalian 116024, China)

  • Feng Yu

    (Key Laboratory of Ocean Energy Utilization and Energy Conservation of Ministry of Education, Dalian University of Technology, Dalian 116024, China)

Abstract

The mechanical properties of methane hydrate are important to the stability of borehole and methane extraction from a methane hydrate reservoir. In this study, a series of triaxial compression tests were carried out on laboratory-formed methane hydrate-ice mixtures with various methane hydrate contents. Axial loading was conducted at an axial strain rate of 1.33%/min and a constant temperature of −10 °C. The results indicate that: (1) the deformation behavior is strongly affected by confining pressure and methane hydrate content; (2) the failure strength significantly increases with confining pressure when confining pressure is less than 10 MPa, and decreases with methane hydrate content; (3) the cohesion decreases with methane hydrate content, while the internal friction angle increases with methane hydrate content; (4) the strength of ice specimens are higher than that of methane hydrate-ice mixture specimens; Based on the experimental data, the relationship among failure strength, confining pressure and methane hydrate content was obtained, and a modified Mohr-Coulomb criterion considering the influence of methane hydrate content on shear strength was proposed.

Suggested Citation

  • Yanghui Li & Yongchen Song & Weiguo Liu & Feng Yu, 2012. "Experimental Research on the Mechanical Properties of Methane Hydrate-Ice Mixtures," Energies, MDPI, vol. 5(2), pages 1-12, January.
    • Handle: RePEc:gam:jeners:v:5:y:2012:i:2:p:181-192:d:15835
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    Citations

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    Cited by:

    1. Song, Yongchen & Yang, Lei & Zhao, Jiafei & Liu, Weiguo & Yang, Mingjun & Li, Yanghui & Liu, Yu & Li, Qingping, 2014. "The status of natural gas hydrate research in China: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 31(C), pages 778-791.
    2. Xudong Zhang & Yiming Zhu & Zhanfeng Ying & Tingting Luo, 2019. "Experimental Investigation on the Dynamic Modulus Properties of Methane Hydrate Sediment Samples," Energies, MDPI, vol. 12(22), pages 1-14, November.
    3. Dongliang Li & Zhe Wang & Deqing Liang & Xiaoping Wu, 2019. "Effect of Clay Content on the Mechanical Properties of Hydrate-Bearing Sediments during Hydrate Production via Depressurization," Energies, MDPI, vol. 12(14), pages 1-14, July.
    4. Xuke Ruan & Yongchen Song & Jiafei Zhao & Haifeng Liang & Mingjun Yang & Yanghui Li, 2012. "Numerical Simulation of Methane Production from Hydrates Induced by Different Depressurizing Approaches," Energies, MDPI, vol. 5(2), pages 1-21, February.
    5. Yanghui Li & Tingting Luo & Xiang Sun & Weiguo Liu & Qingping Li & Yuanping Li & Yongchen Song, 2019. "Strength Behaviors of Remolded Hydrate-Bearing Marine Sediments in Different Drilling Depths of the South China Sea," Energies, MDPI, vol. 12(2), pages 1-14, January.
    6. Dongliang Li & Qi Wu & Zhe Wang & Jingsheng Lu & Deqing Liang & Xiaosen Li, 2018. "Tri-Axial Shear Tests on Hydrate-Bearing Sediments during Hydrate Dissociation with Depressurization," Energies, MDPI, vol. 11(7), pages 1-12, July.
    7. Chong, Zheng Rong & Yang, She Hern Bryan & Babu, Ponnivalavan & Linga, Praveen & Li, Xiao-Sen, 2016. "Review of natural gas hydrates as an energy resource: Prospects and challenges," Applied Energy, Elsevier, vol. 162(C), pages 1633-1652.
    8. Li, Xiao-Sen & Xu, Chun-Gang & Zhang, Yu & Ruan, Xu-Ke & Li, Gang & Wang, Yi, 2016. "Investigation into gas production from natural gas hydrate: A review," Applied Energy, Elsevier, vol. 172(C), pages 286-322.

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