Recovering CH4 from natural gas hydrate with CO2 in porous media below the freezing point

被引：8

作者：

Zhang, Xuemin ^{[1
,2
,3
]}

Wang, Yingmei ^{[1
,2
]}

Li, Jinping ^{[1
,3
]}

Wu, Qingbai ^{[1
,2
]}

Yao, Ze ^{[1
]}

Yang, Li ^{[1
]}

机构：

[1] Lanzhou Univ Technol, Western China Res Ctr Energy & Environm, Lanzhou, Gansu, Peoples R China

[2] Chinese Acad Sci, State Key Lab Frozen Soil Engn, Northwest Inst Ecoenvironm & Resources, Lanzhou, Gansu, Peoples R China

[3] Key Lab Complementary Energy Syst Biomass & Solar, Lanzhou, Gansu, Peoples R China

来源：

PETROLEUM SCIENCE AND TECHNOLOGY | 2019年 / 37卷 / 07期

基金：

中国国家自然科学基金;

关键词：

methane hydrate; permafrost region; replacement; storage; simulation experiment; CARBON-DIOXIDE; METHANE PRODUCTION; REPLACEMENT; CONVERSION; ENERGY;

D O I：

10.1080/10916466.2019.1566248

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 recovery of methane from gas hydrate layers that have been detected in permafrost regions is a promising perspective in the future. In order to study the replacement characteristics of CO2-CH4 hydrate in permafrost environments, simulation experiment was carried out in this work. The results indicated that the replacement rate and efficiency increased with the increasing of injection pressure of CO2 gas. And the replacement rate and efficiency reached up to 0.403mmol/h and 13.20% during the experiment. Furthermore, the results also showed that the replacement rate of CO2-CH4 hydrate was slower below the freezing point.

引用

页码：770 / 779

页数：10

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