Mineral dissolution/precipitation during CO2 injection into coal reservoir: A laboratory study

被引：11
|
作者：
Anggara, Ferian [1 ]
Sasaki, Kyuro [1 ]
Sugai, Yuichi [1 ]
机构：
[1] Kyushu Univ, Dept Earth Resources Engn, Nishi Ku, Fukuoka 8190395, Japan
来源：
GHGT-11 | 2013年 / 37卷
关键词：
coal; CO2-SFE; calcite dissolution/precipitation; numerical simulation;
D O I：
10.1016/j.egypro.2013.06.605
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：
CO2 Supercritical Fluid Extraction (SEE) has been performed on Kushiro coal. The results showed there were slightly changes in major metal oxide due to mineral dissolution/precipitation during CO2 injection. To predict mineral dissolution/precipitation in the field scale and for long geologic period of time, numerical simulations using GMG-GEM simulator were carried out. The numerical simulation was only focused on the calcite that showed to dissolve in the near injection well area (higher pressure) as well as to precipitate at some distance from the injection well when injection of CO2 was stopped. (C) 2013 The Authors. Published by Elsevier Ltd. Open access under CC BY-NC-ND license.
引用
收藏
页码：6722 / 6729
页数：8
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