The impacts of gas impurities on the minimum miscibility pressure of injected CO2-rich gas–crude oil systems and enhanced oil recovery potential

Abstract An effective parameter in the miscible-CO2 enhanced oil recovery procedure is the minimum miscibility pressure (MMP) defined as the lowest pressure that the oil in place and the injected gas into reservoir achieve miscibility at a given temperature. Flue gases released from power plants can...

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Autores principales:	Abouzar Choubineh, Abbas Helalizadeh, David A. Wood
Formato:	article
Lenguaje:	EN
Publicado:	KeAi Communications Co., Ltd. 2018
Materias:	EOR exploiting impure flue gases CO2–crude oil minimum miscibility pressure (MMP) Impact of gas impurities on MMP Science Q Petrology QE420-499
Acceso en línea:	https://doaj.org/article/4fa7f0dc3aef43049601e5ea7b026338
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spelling	oai:doaj.org-article:4fa7f0dc3aef43049601e5ea7b0263382021-12-02T05:32:12ZThe impacts of gas impurities on the minimum miscibility pressure of injected CO2-rich gas–crude oil systems and enhanced oil recovery potential10.1007/s12182-018-0256-81672-51071995-8226https://doaj.org/article/4fa7f0dc3aef43049601e5ea7b0263382018-09-01T00:00:00Zhttp://link.springer.com/article/10.1007/s12182-018-0256-8https://doaj.org/toc/1672-5107https://doaj.org/toc/1995-8226Abstract An effective parameter in the miscible-CO2 enhanced oil recovery procedure is the minimum miscibility pressure (MMP) defined as the lowest pressure that the oil in place and the injected gas into reservoir achieve miscibility at a given temperature. Flue gases released from power plants can provide an available source of CO2, which would otherwise be emitted to the atmosphere, for injection into a reservoir. However, the costs related to gas extraction from flue gases is potentially high. Hence, greater understanding the role of impurities in miscibility characteristics between CO2 and reservoir fluids helps to establish which impurities are tolerable and which are not. In this study, we simulate the effects of the impurities nitrogen (N2), methane (C1), ethane (C2) and propane (C3) on CO2 MMP. The simulation results reveal that, as an impurity, nitrogen increases CO2–oil MMP more so than methane. On the other hand, increasing the propane (C3) content can lead to a significant decrease in CO2 MMP, whereas varying the concentrations of ethane (C2) does not have a significant effect on the minimum miscibility pressure of reservoir crude oil and CO2 gas. The novel relationships established are particularly valuable in circumstances where MMP experimental data are not available.Abouzar ChoubinehAbbas HelalizadehDavid A. WoodKeAi Communications Co., Ltd.articleEOR exploiting impure flue gasesCO2–crude oil minimum miscibility pressure (MMP)Impact of gas impurities on MMPScienceQPetrologyQE420-499ENPetroleum Science, Vol 16, Iss 1, Pp 117-126 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	EOR exploiting impure flue gases CO2–crude oil minimum miscibility pressure (MMP) Impact of gas impurities on MMP Science Q Petrology QE420-499
spellingShingle	EOR exploiting impure flue gases CO2–crude oil minimum miscibility pressure (MMP) Impact of gas impurities on MMP Science Q Petrology QE420-499 Abouzar Choubineh Abbas Helalizadeh David A. Wood The impacts of gas impurities on the minimum miscibility pressure of injected CO2-rich gas–crude oil systems and enhanced oil recovery potential
description	Abstract An effective parameter in the miscible-CO2 enhanced oil recovery procedure is the minimum miscibility pressure (MMP) defined as the lowest pressure that the oil in place and the injected gas into reservoir achieve miscibility at a given temperature. Flue gases released from power plants can provide an available source of CO2, which would otherwise be emitted to the atmosphere, for injection into a reservoir. However, the costs related to gas extraction from flue gases is potentially high. Hence, greater understanding the role of impurities in miscibility characteristics between CO2 and reservoir fluids helps to establish which impurities are tolerable and which are not. In this study, we simulate the effects of the impurities nitrogen (N2), methane (C1), ethane (C2) and propane (C3) on CO2 MMP. The simulation results reveal that, as an impurity, nitrogen increases CO2–oil MMP more so than methane. On the other hand, increasing the propane (C3) content can lead to a significant decrease in CO2 MMP, whereas varying the concentrations of ethane (C2) does not have a significant effect on the minimum miscibility pressure of reservoir crude oil and CO2 gas. The novel relationships established are particularly valuable in circumstances where MMP experimental data are not available.
format	article
author	Abouzar Choubineh Abbas Helalizadeh David A. Wood
author_facet	Abouzar Choubineh Abbas Helalizadeh David A. Wood
author_sort	Abouzar Choubineh
title	The impacts of gas impurities on the minimum miscibility pressure of injected CO2-rich gas–crude oil systems and enhanced oil recovery potential
title_short	The impacts of gas impurities on the minimum miscibility pressure of injected CO2-rich gas–crude oil systems and enhanced oil recovery potential
title_full	The impacts of gas impurities on the minimum miscibility pressure of injected CO2-rich gas–crude oil systems and enhanced oil recovery potential
title_fullStr	The impacts of gas impurities on the minimum miscibility pressure of injected CO2-rich gas–crude oil systems and enhanced oil recovery potential
title_full_unstemmed	The impacts of gas impurities on the minimum miscibility pressure of injected CO2-rich gas–crude oil systems and enhanced oil recovery potential
title_sort	impacts of gas impurities on the minimum miscibility pressure of injected co2-rich gas–crude oil systems and enhanced oil recovery potential
publisher	KeAi Communications Co., Ltd.
publishDate	2018
url	https://doaj.org/article/4fa7f0dc3aef43049601e5ea7b026338
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The impacts of gas impurities on the minimum miscibility pressure of injected CO2-rich gas–crude oil systems and enhanced oil recovery potential

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