experimentalsimulationofgashydratedecompositioninporoussediment

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	experimentalsimulationofgashydratedecompositioninporoussediment
	Yu Xichong 1; Li Gang2 ; Li Qingping 1; Li Xiaosen2 ; Zhang Yu2 ; Pang Weixin 1; Bai Yuhu 1
	2013
Source Publication	sciencechinaearthsciences
ISSN	1674-7313
Volume	56 Issue:4 Pages:588
Abstract	Gas hydrate decomposition in sediments involves complicated multiphase flow and heat and mass transfer processes because of heat absorption by solid hydrates. Factors affecting gas hydrate decomposition in sediments include sediment type, mineral composition, pore size distribution, particle size, pore water composition, hydrate saturation distribution, initial formation pressure and temperature and cement characteristics. In this paper, experimental simulations of gas hydrate decomposition are carried out on an artificial core to investigate the effects of initial pressure and temperature, particle size and pore size. The experiments show that the characteristics of gas hydrate decomposition in sediments differ completely from those in a pure water system. The decomposition rate of hydrate sediments increases with the initial pressure increasing and decreasing temperatures. Furthermore, the decomposition rate of hydrate sediments decreases with decreasing particle size and increasing pore size.
Language	英语
Funding Project	[National Basic Research Program of China]
Document Type	期刊论文
Identifier	http://ir.giec.ac.cn/handle/344007/20758
Collection	中国科学院广州能源研究所
Affiliation	1.CNOOC Research Institute 2.中国科学院广州能源研究所
Recommended Citation GB/T 7714	Yu Xichong,Li Gang,Li Qingping,et al. experimentalsimulationofgashydratedecompositioninporoussediment[J]. sciencechinaearthsciences,2013,56(4):588.
APA	Yu Xichong.,Li Gang.,Li Qingping.,Li Xiaosen.,Zhang Yu.,...&Bai Yuhu.(2013).experimentalsimulationofgashydratedecompositioninporoussediment.sciencechinaearthsciences,56(4),588.
MLA	Yu Xichong,et al."experimentalsimulationofgashydratedecompositioninporoussediment".sciencechinaearthsciences 56.4(2013):588.

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