Replacement of Ch4 with Co2 in a Hydrate Reservoir at the Injection of Liquid Carbon Dioxide

被引：1
|
作者：
Musakaev, N. G. [1 ,2 ,3 ]
Khasanov, M. K. [1 ]
Stolpovsky, M. V. [1 ,4 ]
机构：
[1] Bashkir State Univ, Sterlitamak Branch, Lenina Str 37, Sterlitamak 453103, Russia
[2] RAS, SB, Khristianovich Inst Theoret & Appl Mech, Tyumen Dept, Taymirskaya Str 74, Tyumen 625026, Russia
[3] Tyumen State Univ, Volodarskogo Str 6, Tyumen 625003, Russia
[4] Ufa State Petr Technol Univ, Kosmonavtov Str 1, Ufa 450062, Russia
来源：
INTERNATIONAL CONFERENCE ON THE METHODS OF AEROPHYSICAL RESEARCH (ICMAR 2018) | 2018年 / 2027卷
基金：
俄罗斯科学基金会;
关键词：
GAS-HYDRATE; MATHEMATICAL-MODEL;
D O I：
10.1063/1.5065145
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
On the basis of the equations of multiphase media mechanics the mathematical model is proposed for the replacement of methane with carbon dioxide in a porous reservoir of finite length, initially saturated with methane and its hydrate, at the injection of liquid carbon dioxide. Solutions of the axisymmetric problem describing pressure and temperature distributions in the reservoir are constructed. It has been found that at low injection pressure the reservoir pressure in a portion of the region, saturated with carbon dioxide and its hydrate, may fall below the boiling point of CO2. This corresponds to the appearance of an additional phase transitions surface on which the carbon dioxide boils.
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页数：6
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