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experimentalsimulationofgashydratedecompositioninporoussediment
Yu Xichong1; Li Gang2; Li Qingping1; Li Xiaosen2; Zhang Yu2; Pang Weixin1; Bai Yuhu1
2013
发表期刊sciencechinaearthsciences
ISSN1674-7313
卷号56期号:4页码:588
摘要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.
语种英语
资助项目[National Basic Research Program of China]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/20758
专题中国科学院广州能源研究所
作者单位1.CNOOC Research Institute
2.中国科学院广州能源研究所
推荐引用方式
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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