CO2 injection for heat extraction and carbon sequestration in a geothermal site: Huizhou Sag, the Pearl River Mouth Basin
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- 作者：Zhixue Suna ; Jun Yaoa ; yaojunhdpu@126.com" class="auth_mail" title="E-mail the corresponding author ; Xiaoxue Huangb ; Yang Xua ; Jianguang Zhanga ; Jianwei Liuc ; Chunsheng Yud ; Kelvin Bongolea
- 关键词：CO2-EWR ; CO2 geological storage ; Thermodynamic simulations ; Simulator coupling of wellbore and geothermal reservoir ; Numerical simulation
- 刊名：Geothermics
- 出版年：2016
- 出版时间：November 2016
- 年：2016
- 卷：64
- 期：Complete
- 页码：331-343
- 全文大小：3575 K
文摘
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Injecting cold water above the CO2 injector through annulus and tubing respectively improves injection efficiency in water dominant geothermal resources.
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CO2 geological storage combined with geothermal water recovery increases the efficiency of CO2 storage.
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Increase in power output from coupling of well-bore flow to power generation.
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Water injection prevents CO2 bubble formation during initial stages.