Co-Optimization of CO2 Storage and Enhanced Gas Recovery Using Carbonated Water and Supercritical CO2

CO2-based enhanced gas recovery (EGR) is an appealing method with the dual benefit of improving recovery from mature gas reservoirs and storing CO2 in the subsurface, thereby reducing net emissions. However, CO2 injection for EGR h...

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Autores principales:	Abdirizak Omar, Mouadh Addassi, Volker Vahrenkamp, Hussein Hoteit
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	CCUS CO<sub>2</sub> storage enhanced gas recovery carbonated water optimization Technology T
Acceso en línea:	https://doaj.org/article/ec745d88deea40089c996e6a8acbe284
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spelling	oai:doaj.org-article:ec745d88deea40089c996e6a8acbe2842021-11-25T17:26:03ZCo-Optimization of CO<sub>2</sub> Storage and Enhanced Gas Recovery Using Carbonated Water and Supercritical CO<sub>2</sub>10.3390/en142274951996-1073https://doaj.org/article/ec745d88deea40089c996e6a8acbe2842021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1073/14/22/7495https://doaj.org/toc/1996-1073CO<sub>2</sub>-based enhanced gas recovery (EGR) is an appealing method with the dual benefit of improving recovery from mature gas reservoirs and storing CO<sub>2</sub> in the subsurface, thereby reducing net emissions. However, CO<sub>2</sub> injection for EGR has the drawback of excessive mixing with the methane gas, therefore, reducing the quality of gas produced and leading to an early breakthrough of CO<sub>2</sub>. Although this issue has been identified as a major obstacle in CO<sub>2</sub>-based EGR, few strategies have been suggested to mitigate this problem. We propose a novel hybrid EGR method that involves the injection of a slug of carbonated water before beginning CO<sub>2</sub> injection. While still ensuring CO<sub>2</sub> storage, carbonated water hinders CO<sub>2</sub>-methane mixing and reduces CO<sub>2</sub> mobility, therefore delaying breakthrough. We use reservoir simulation to assess the feasibility and benefit of the proposed method. Through a structured design of experiments (DoE) framework, we perform sensitivity analysis, uncertainty assessment, and optimization to identify the ideal operation and transition conditions. Results show that the proposed method only requires a small amount of carbonated water injected up to 3% pore volumes. This EGR scheme is mainly influenced by the heterogeneity of the reservoir, slug volume injected, and production rates. Through Monte Carlo simulations, we demonstrate that high recovery factors and storage ratios can be achieved while keeping recycled CO<sub>2</sub> ratios low.Abdirizak OmarMouadh AddassiVolker VahrenkampHussein HoteitMDPI AGarticleCCUSCO<sub>2</sub> storageenhanced gas recoverycarbonated wateroptimizationTechnologyTENEnergies, Vol 14, Iss 7495, p 7495 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	CCUS CO<sub>2</sub> storage enhanced gas recovery carbonated water optimization Technology T
spellingShingle	CCUS CO<sub>2</sub> storage enhanced gas recovery carbonated water optimization Technology T Abdirizak Omar Mouadh Addassi Volker Vahrenkamp Hussein Hoteit Co-Optimization of CO<sub>2</sub> Storage and Enhanced Gas Recovery Using Carbonated Water and Supercritical CO<sub>2</sub>
description	CO<sub>2</sub>-based enhanced gas recovery (EGR) is an appealing method with the dual benefit of improving recovery from mature gas reservoirs and storing CO<sub>2</sub> in the subsurface, thereby reducing net emissions. However, CO<sub>2</sub> injection for EGR has the drawback of excessive mixing with the methane gas, therefore, reducing the quality of gas produced and leading to an early breakthrough of CO<sub>2</sub>. Although this issue has been identified as a major obstacle in CO<sub>2</sub>-based EGR, few strategies have been suggested to mitigate this problem. We propose a novel hybrid EGR method that involves the injection of a slug of carbonated water before beginning CO<sub>2</sub> injection. While still ensuring CO<sub>2</sub> storage, carbonated water hinders CO<sub>2</sub>-methane mixing and reduces CO<sub>2</sub> mobility, therefore delaying breakthrough. We use reservoir simulation to assess the feasibility and benefit of the proposed method. Through a structured design of experiments (DoE) framework, we perform sensitivity analysis, uncertainty assessment, and optimization to identify the ideal operation and transition conditions. Results show that the proposed method only requires a small amount of carbonated water injected up to 3% pore volumes. This EGR scheme is mainly influenced by the heterogeneity of the reservoir, slug volume injected, and production rates. Through Monte Carlo simulations, we demonstrate that high recovery factors and storage ratios can be achieved while keeping recycled CO<sub>2</sub> ratios low.
format	article
author	Abdirizak Omar Mouadh Addassi Volker Vahrenkamp Hussein Hoteit
author_facet	Abdirizak Omar Mouadh Addassi Volker Vahrenkamp Hussein Hoteit
author_sort	Abdirizak Omar
title	Co-Optimization of CO<sub>2</sub> Storage and Enhanced Gas Recovery Using Carbonated Water and Supercritical CO<sub>2</sub>
title_short	Co-Optimization of CO<sub>2</sub> Storage and Enhanced Gas Recovery Using Carbonated Water and Supercritical CO<sub>2</sub>
title_full	Co-Optimization of CO<sub>2</sub> Storage and Enhanced Gas Recovery Using Carbonated Water and Supercritical CO<sub>2</sub>
title_fullStr	Co-Optimization of CO<sub>2</sub> Storage and Enhanced Gas Recovery Using Carbonated Water and Supercritical CO<sub>2</sub>
title_full_unstemmed	Co-Optimization of CO<sub>2</sub> Storage and Enhanced Gas Recovery Using Carbonated Water and Supercritical CO<sub>2</sub>
title_sort	co-optimization of co<sub>2</sub> storage and enhanced gas recovery using carbonated water and supercritical co<sub>2</sub>
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/ec745d88deea40089c996e6a8acbe284
work_keys_str_mv	AT abdirizakomar cooptimizationofcosub2substorageandenhancedgasrecoveryusingcarbonatedwaterandsupercriticalcosub2sub AT mouadhaddassi cooptimizationofcosub2substorageandenhancedgasrecoveryusingcarbonatedwaterandsupercriticalcosub2sub AT volkervahrenkamp cooptimizationofcosub2substorageandenhancedgasrecoveryusingcarbonatedwaterandsupercriticalcosub2sub AT husseinhoteit cooptimizationofcosub2substorageandenhancedgasrecoveryusingcarbonatedwaterandsupercriticalcosub2sub
_version_	1718412383096930304

Co-Optimization of CO<sub>2</sub> Storage and Enhanced Gas Recovery Using Carbonated Water and Supercritical CO<sub>2</sub>

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