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Gas permeability and shape factor of natural sediments in the South China Sea
Shen, Peng-Fei1,2,3,4; Li, Xiao-Sen1,2,3,4; Li, Gang1,2
2020-11-01
发表期刊JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING
ISSN1875-5100
卷号83页码:11
通讯作者Li, Xiao-Sen(lixs@ms.giec.ac.cn) ; Li, Gang(ligang@ms.giec.ac.cn)
摘要The permeability measurement of marine natural sediments is helpful to evaluate the characteristics of seawater immersion in the sediment layer and the difficulty of upward escape of gas below the sediments. In this work, the stress on the natural sediments in the Shenhu Area of the South China Sea with different buried depths was simulated by confining pressure. The effective gas permeability of natural sediments with different initial porosities during confining pressure loading and unloading was investigated. Experimental results indicated that the gas permeability was very sensitive to particle size distribution, confining pressure and initial porosity of the sediments. The gas permeability of sediments decreased with the increase of confining pressure and the decrease of porosity. The isoline of porosity related to gas permeability was obtained, and this isoline could predict the gas permeability of natural sediments in the South China Sea under different porosities and buried depths. The particle size term in the Kozeny-Carman equation was modified by particle size correction factor N, and the uneven particle size distributions of four natural sediments could be eliminated when N was about 2.44. The specific surface areas of four natural sediments increased with the increase of buried depth. Finally, a new model for the calculation of shape factor was proposed, and this model showed practical performance in predicting the shape factors of natural sediments.
关键词Gas permeability Natural sediments Shape factor Porosity Confining pressure South China Sea
DOI10.1016/j.jngse.2020.103626
关键词[WOS]BEARING POROUS-MEDIA ; METHANE HYDRATE ; RELATIVE PERMEABILITY ; MODEL ; SIZE ; FLOW
收录类别SCI
语种英语
资助项目Key Program of National Natural Science Foundation of China[51736009] ; National Natural Science Foundation of China[51676196] ; National Natural Science Foundation of China[51976228] ; Guangdong Special Support Program[2019BT02L278] ; Frontier Sciences Key Research Program of the Chinese Academy of Sciences[QYZDJ-SSWJSC033] ; Frontier Sciences Key Research Program of the Chinese Academy of Sciences[QYZDB-SSW-JSC028] ; Science and Technology Apparatus Development Program of the Chinese Academy of Sciences[YZ201619] ; National Key R&D Program of China[2017YFC0307306] ; Special Project for Marine Economy Development of Guangdong Province[GDME-2018D002] ; Special Project for Marine Economy Development of Guangdong Province[GDME-2020D044]
WOS研究方向Energy & Fuels ; Engineering
项目资助者Key Program of National Natural Science Foundation of China ; National Natural Science Foundation of China ; Guangdong Special Support Program ; Frontier Sciences Key Research Program of the Chinese Academy of Sciences ; Science and Technology Apparatus Development Program of the Chinese Academy of Sciences ; National Key R&D Program of China ; Special Project for Marine Economy Development of Guangdong Province
WOS类目Energy & Fuels ; Engineering, Chemical
WOS记录号WOS:000581887900088
出版者ELSEVIER SCI LTD
引用统计
被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/34884
专题中国科学院广州能源研究所
通讯作者Li, Xiao-Sen; Li, Gang
作者单位1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Gas Hydrate, Guangzhou 510640, Peoples R China
2.Chinese Acad Sci, Guangzhou Ctr Gas Hydrate Res, Guangzhou 510640, Peoples R China
3.Chongqing Univ, State Key Lab Coal Mine Disaster Dynam & Control, Chongqing 400044, Peoples R China
4.Chongqing Univ, Sch Resources & Safety Engn, Chongqing 400044, Peoples R China
第一作者单位中国科学院广州能源研究所
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Shen, Peng-Fei,Li, Xiao-Sen,Li, Gang. Gas permeability and shape factor of natural sediments in the South China Sea[J]. JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING,2020,83:11.
APA Shen, Peng-Fei,Li, Xiao-Sen,&Li, Gang.(2020).Gas permeability and shape factor of natural sediments in the South China Sea.JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING,83,11.
MLA Shen, Peng-Fei,et al."Gas permeability and shape factor of natural sediments in the South China Sea".JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING 83(2020):11.
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