Evaluation of the role of water-shale-gas reactions on CO2 enhanced shale gas recovery

被引：7
作者：
Liu, Danqing [1 ,2 ]
Li, Yilian [2 ]
Yang, Sen [2 ]
机构：
[1] China Univ Geosci, State Key Lab Biogeol & Environm Geol, Wuhan 430074, Hubei, Peoples R China
[2] China Univ Geosci, Sch Environm Studies, Wuhan 430074, Hubei, Peoples R China
来源：
APPLIED ENERGY SYMPOSIUM AND FORUM, CARBON CAPTURE, UTILIZATION AND STORAGE, CCUS 2018 | 2018年 / 154卷
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
shale gas recovery; CO2; storage; CO2-water-shale reactoins; conductivity; gas adsorption;
D O I：
10.1016/j.egypro.2018.11.008
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 enhanced shale gas recovery technology is promising in addressing global energy crisis as well as climate change by realizing the natural gas production and CO2 geological storage at the same time. The injection of acid CO2 into the gas bearing shale will induce the CO2-water-rock reactions. To explore the impact of CO2-water-shale reactions on the shale gas recovery and CO2 storage potential, a simplified 2D reactive transport model was established. Results show that the geochemical reaction plays an important role in determining the feasibility of CO2 enhanced shale gas recovery by influencing the shale gas recovery ratio and the formation conductivity. It is suggested to include the geochemical effect in the future study of CO2 injection in shale reservoirs. (C) 2018 The Authors. Published by Elsevier Ltd.
引用
收藏
页码：42 / 47
页数：6
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