Proceedings of the 2024 10th International Conference on Advances in Energy Resources and Environment Engineering (ICAESEE 2024)

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Experimental Study on Gas Exploitation Performance Evolution of Fractured Hydrate-Bearing Sediments Under Shear

Authors
Shi Shen2, *, Rui Qin1, 3, Haihong Chen1, 3, Ting Huang1, 3, Yang Ge1, 3, Xin Lv2, Huiyong Liang2
1State Key Laboratory of Offshore Natural Gas Hydrates, Beijing, 100028, China
2Ningbo Institute of Dalian University of Technology, Ningbo, 315016, China
3China National Offshore Oil Corporation Research Institute Co., LTD., Beijing, 100028, China
*Corresponding author. Email: shenshi_nbi@dlut.edu.cn
Corresponding Author
Shi Shen
Available Online 9 May 2025.
DOI
10.2991/978-94-6463-708-3_6How to use a DOI?
Keywords
Natural gas hydrate; Exploitation performance; Permeability; Triaxial shear process
Abstract

Gas permeability of gas hydrate sediment is decisive factor that determines the rate of gas production during hydrate exploitation process. In site exploration indicates that hydrates are abundantly present in fractures of the reservoir, and the fractures provide convenient conditions for migration of fluids during the hydrate exploitation process. In this study, gas permeability evolution during triaxial shear process of fractured hydrate-bearing sediments was measured. The experimental results show that gas permeability damage of fractured hydrate-bearing sediment is affected by effective confining pressure. And as axial strain increases during shearing, gas permeability of fractured hydrate-bearing sediment generally presents a pattern of first decreasing, then increasing, and then decreasing again due to changes in fracture structure. And with increase of hydrate saturation, initial gas permeability, the peak permeability at rise and the minimum permeability at decline all increase. The conclusion of this study provides a data base for prediction of hydrate recovery efficiency of fractured hydrate sediments.

Copyright
© 2025 The Author(s)
Open Access
Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

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Volume Title
Proceedings of the 2024 10th International Conference on Advances in Energy Resources and Environment Engineering (ICAESEE 2024)
Series
Atlantis Highlights in Engineering
Publication Date
9 May 2025
ISBN
978-94-6463-708-3
ISSN
2589-4943
DOI
10.2991/978-94-6463-708-3_6How to use a DOI?
Copyright
© 2025 The Author(s)
Open Access
Open Access This chapter is licensed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license and indicate if changes were made.

Cite this article

risenwbib
TY  - CONF
AU  - Shi Shen
AU  - Rui Qin
AU  - Haihong Chen
AU  - Ting Huang
AU  - Yang Ge
AU  - Xin Lv
AU  - Huiyong Liang
PY  - 2025
DA  - 2025/05/09
TI  - Experimental Study on Gas Exploitation Performance Evolution of Fractured Hydrate-Bearing Sediments Under Shear
BT  - Proceedings of the 2024 10th International Conference on Advances in Energy Resources and Environment Engineering (ICAESEE 2024)
PB  - Atlantis Press
SP  - 39
EP  - 47
SN  - 2589-4943
UR  - https://doi.org/10.2991/978-94-6463-708-3_6
DO  - 10.2991/978-94-6463-708-3_6
ID  - Shen2025
ER  -