Properties of multiphase flow in marine sediments with gas hydrate

被引：0
作者：
Sakamoto, Y [1 ]
Komai, T [1 ]
Kawabe, Y [1 ]
Yamaguchi, T [1 ]
机构：
[1] Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki, Japan
来源：
PROCEEDINGS OF THE FIFTH (2003) ISOPE OCEAN MINING SYMPOSIUM | 2003年
关键词：
gas hydrate; methane; marine sediment; porous media; multiphase flow; formation and dissociation; water permeability; gas permeability;
D O I：
暂无
中图分类号：
P75 [海洋工程];
学科分类号：
0814 ; 081505 ; 0824 ; 082401 ;
摘要：
In order to obtain fundamental data for the evaluation of permeability in methane hydrate reservoir, we have conducted an experimental study on the behavior of multiphase flow in artificial sample of marine sediment with gas hydrates. The formation rate of methane hydrate in porous media depends on the diameter of sand and the kind of porous media. In an experiment of dissociation of hydrate by the injection of hot water, the increase of permeability in methane hydrate reservoir was observed as a function of time. Furthermore, it was found that the water permeability drastically decreases as the hydrate saturation becomes higher.
引用
收藏
页码：171 / 175
页数：5
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