期刊
FLUID DYNAMICS
卷 41, 期 4, 页码 599-605出版社
SPRINGER
DOI: 10.1007/s10697-006-0078-z
关键词
flow through a porous medium; gas field; hydrates; dissociation; numerical simulation
资金
- Russian Foundation for Basic Research [03-01-00068, 06-01-00166]
The problem of methane hydrate decomposition in a reservoir saturated with a gas and hydrate mixture is investigated numerically. The results of the numerical simulation and an analytic solution obtained in the linear approximation are compared. It is shown that for high-permeability rocks the convective heat transfer in the near-well space of the reservoir predominates over the conductive transfer. This makes the use of intra-well heaters ineffective. It is found that an increase in the reservoir and well pressures and a decrease in the permeability suppress the formation of an extended hydrate dissociation region. Critical diagrams of existence of the frontal decomposition regime are constructed.
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