Study of methane replacement in hydrates by carbon dioxide in a cyclic process

被引：7

作者：

Voronov, V. P. ^{[1
]}

Gorodetskii, E. E. ^{[1
]}

Muratov, A. R. ^{[1
]}

机构：

[1] Russian Acad Sci, Oil & Gas Res Inst, Moscow 119991, Russia

来源：

JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING | 2014年 / 21卷

关键词：

Methane hydrate; Replacement; Carbon dioxide; GAS HYDRATE; CO2; CH4; SOLUBILITY; PRESSURE; WATER;

D O I：

10.1016/j.jngse.2014.11.003

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

The process of replacement of methane molecules in hydrate by carbon dioxide was studied by PVT measurements in a cyclic process. A cycle of the process consisted of the injection of some amount of carbon dioxide into the gas phase, which contacts with the hydrate, relaxation of the gas hydrate system and evacuation of a portion of gas coexisting with the hydrate. The hydrate number and concentration of gas mixture in the hydrate were determined during the replacement process. The dependency of the extent of methane replacement on the amount of injected carbon dioxide was obtained. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：1107 / 1112

页数：6

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