Methane hydrate decomposition and sediment deformation in unconfined sediment with different types of concentrated hydrate accumulations by innovative experimental system

doi:10.1016/j.apenergy.2018.06.062

GIEC OpenIR

	Methane hydrate decomposition and sediment deformation in unconfined sediment with different types of concentrated hydrate accumulations by innovative experimental system
	Wang, Yi 1,2,3; Feng, Jing-Chun 4,5; Li, Xiao-Sen1,2,3 ; Zhang, Yu1,2,3 ; Han, Han 1,2,3
	2018-09-15
发表期刊	APPLIED ENERGY
ISSN	0306-2619
卷号	226 页码:916-923
通讯作者	Li, Xiao-Sen(lixs@ms.giec.ac.cn)
摘要	Methane hydrates are regarded as a potential source of energy supply. Geological features of different types of concentrated gas hydrate accumulations show great variations. In this study, methane hydrate decomposition in unconfined sediment with different types of concentrated hydrate accumulations are firstly investigated by experiments, and the influence of hydrate decomposition on sediment deformation is analyzed. Two types of concentrated hydrate accumulations are selected, which are grain-displacing hydrate (nodules) and pore-filling hydrate in sediment. An innovative high pressure set-up with a quick-opening top cover is applied to investigate hydrate decomposition under the geological conditions of the hydrate reservoir in the South China Sea. Experimental results indicate that the influence of hydrate morphology and hydrate distribution on gas production is not obviously. The average heat transfer rates during grain-displacing hydrate dissociation and pore filling hydrate dissociation are also similar. However, the sediment deformation characteristics for different types of concentrated hydrate accumulations are totally different. Structure collapse of porous media is firstly observed in the experiments within the grain-displacing hydrate, which indicates that the sediment deformation cannot be ignored during the gas recovery from grain-displacing hydrate. Meanwhile, the radial shrinkage effect of sediment is found during pore-filling hydrate dissociation, due to the cementation effect of hydrate.
关键词	Sediment deformation Hydrate Decomposition Unconfined sediment Hydrate accumulations Experiment
DOI	10.1016/j.apenergy.2018.06.062
关键词[WOS]	NATURAL-GAS HYDRATE ; BEARING SEDIMENTS ; POROUS-MEDIA ; SLOPE INSTABILITY ; HEAT-TRANSFER ; DISSOCIATION ; DEPRESSURIZATION ; DEPOSITS ; MECHANISMS ; RECOVERY
收录类别	SCI
语种	英语
资助项目	National Natural Science Foundation of China[51736009] ; National Natural Science Foundation of China[51676190] ; Pearl River S&T Nova Program of Guangzhou[201610010164] ; International S&T Cooperation Program of China[2015DFA61790] ; Science and Technology Apparatus Development Program of the Chinese Academy of Sciences[YZ201619] ; Frontier Sciences Key Research Program of the Chinese Academy of Sciences[QYZDJ-SSW-JSC033] ; National Key Research and Development Plan of China[2016YFC0304002] ; National Key Research and Development Plan of China[2017YFC0307306] ; Youth Science and Technology Innovation Talent of Guangdong[2016TQ03Z862] ; Natural Science Foundation of Guangdong[2017A030313313]
WOS研究方向	Energy & Fuels ; Engineering
项目资助者	National Natural Science Foundation of China ; Pearl River S&T Nova Program of Guangzhou ; International S&T Cooperation Program of China ; Science and Technology Apparatus Development Program of the Chinese Academy of Sciences ; Frontier Sciences Key Research Program of the Chinese Academy of Sciences ; National Key Research and Development Plan of China ; Youth Science and Technology Innovation Talent of Guangdong ; Natural Science Foundation of Guangdong
WOS类目	Energy & Fuels ; Engineering, Chemical
WOS记录号	WOS:000441688100074
出版者	ELSEVIER SCI LTD
引用统计	被引频次：26[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/344007/23983
专题	中国科学院广州能源研究所
通讯作者	Li, Xiao-Sen
作者单位	1.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China 2.Chinese Acad Sci, Guangzhou Ctr Gas Hydrate Res, Guangzhou 510640, Guangdong, Peoples R China 3.Guangdong Prov Key Lab New & Renewable Energy Res, Guangzhou 510640, Guangdong, Peoples R China 4.Sun Yat Sen Univ, Sch Enringing, Guangzhou 510275, Guangdong, Peoples R China 5.Guangdong Res Ctr Climate Change, Guangzhou 510275, Guangdong, Peoples R China
第一作者单位	中国科学院广州能源研究所
推荐引用方式 GB/T 7714	Wang, Yi,Feng, Jing-Chun,Li, Xiao-Sen,et al. Methane hydrate decomposition and sediment deformation in unconfined sediment with different types of concentrated hydrate accumulations by innovative experimental system[J]. APPLIED ENERGY,2018,226:916-923.
APA	Wang, Yi,Feng, Jing-Chun,Li, Xiao-Sen,Zhang, Yu,&Han, Han.(2018).Methane hydrate decomposition and sediment deformation in unconfined sediment with different types of concentrated hydrate accumulations by innovative experimental system.APPLIED ENERGY,226,916-923.
MLA	Wang, Yi,et al."Methane hydrate decomposition and sediment deformation in unconfined sediment with different types of concentrated hydrate accumulations by innovative experimental system".APPLIED ENERGY 226(2018):916-923.