Geochemical Investigation of CO2 Injection in Oil and Gas Reservoirs of Middle East to Estimate the Formation Damage and Related Oil Recovery

The injection performance of carbon dioxide (CO2) for oil recovery depends upon its injection capability and the actual injection rate. The CO2–rock–water interaction could cause severe formation damage by plugging the reservoir pores and reducing the pe...

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Autores principales:	Ilyas Khurshid, Imran Afgan
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	CO<sub>2</sub> sequestration geochemical reactions formation damage oil recovery Technology T
Acceso en línea:	https://doaj.org/article/b3006fa5edc4478a8d338552f74f4288
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spelling	oai:doaj.org-article:b3006fa5edc4478a8d338552f74f42882021-11-25T17:27:49ZGeochemical Investigation of CO<sub>2</sub> Injection in Oil and Gas Reservoirs of Middle East to Estimate the Formation Damage and Related Oil Recovery10.3390/en142276761996-1073https://doaj.org/article/b3006fa5edc4478a8d338552f74f42882021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1073/14/22/7676https://doaj.org/toc/1996-1073The injection performance of carbon dioxide (CO<sub>2</sub>) for oil recovery depends upon its injection capability and the actual injection rate. The CO<sub>2</sub>–rock–water interaction could cause severe formation damage by plugging the reservoir pores and reducing the permeability of the reservoir. In this study, a simulator was developed to model the reactivity of injected CO<sub>2</sub> at various reservoir depths, under different temperature and pressure conditions. Through the estimation of location and magnitude of the chemical reactions, the simulator is able to predict the effects of change in the reservoir porosity, permeability (due to the formation/dissolution) and transport/deposition of dissoluted particles. The paper also presents the effect of asphaltene on the shift of relative permeability curve and the related oil recovery. Finally, the effect of CO<sub>2</sub> injection rate is analyzed to demonstrate the effect of CO<sub>2</sub> miscibility on oil recovery from a reservoir. The developed model is validated against the experimental data. The predicted results show that the reservoir temperature, its depth, concentration of asphaltene and rock properties have a significant effect on formation/dissolution and precipitation during CO<sub>2</sub> injection. Results showed that deep oil and gas reservoirs are good candidates for CO<sub>2</sub> sequestration compared to shallow reservoirs, due to increased temperatures that reduce the dissolution rate and lower the solid precipitation. However, asphaltene deposition reduced the oil recovery by 10%. Moreover, the sensitivity analysis of CO<sub>2</sub> injection rates was performed to identify the effect of CO<sub>2</sub> injection rate on reduced permeability in deep and high-temperature formations. It was found that increased CO<sub>2</sub> injection rates and pressures enable us to reach miscibility pressure. Once this pressure is reached, there are less benefits of injecting CO<sub>2</sub> at a higher rate for better pressure maintenance and no further diminution of residual oil.Ilyas KhurshidImran AfganMDPI AGarticleCO<sub>2</sub> sequestrationgeochemical reactionsformation damageoil recoveryTechnologyTENEnergies, Vol 14, Iss 7676, p 7676 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	CO<sub>2</sub> sequestration geochemical reactions formation damage oil recovery Technology T
spellingShingle	CO<sub>2</sub> sequestration geochemical reactions formation damage oil recovery Technology T Ilyas Khurshid Imran Afgan Geochemical Investigation of CO<sub>2</sub> Injection in Oil and Gas Reservoirs of Middle East to Estimate the Formation Damage and Related Oil Recovery
description	The injection performance of carbon dioxide (CO<sub>2</sub>) for oil recovery depends upon its injection capability and the actual injection rate. The CO<sub>2</sub>–rock–water interaction could cause severe formation damage by plugging the reservoir pores and reducing the permeability of the reservoir. In this study, a simulator was developed to model the reactivity of injected CO<sub>2</sub> at various reservoir depths, under different temperature and pressure conditions. Through the estimation of location and magnitude of the chemical reactions, the simulator is able to predict the effects of change in the reservoir porosity, permeability (due to the formation/dissolution) and transport/deposition of dissoluted particles. The paper also presents the effect of asphaltene on the shift of relative permeability curve and the related oil recovery. Finally, the effect of CO<sub>2</sub> injection rate is analyzed to demonstrate the effect of CO<sub>2</sub> miscibility on oil recovery from a reservoir. The developed model is validated against the experimental data. The predicted results show that the reservoir temperature, its depth, concentration of asphaltene and rock properties have a significant effect on formation/dissolution and precipitation during CO<sub>2</sub> injection. Results showed that deep oil and gas reservoirs are good candidates for CO<sub>2</sub> sequestration compared to shallow reservoirs, due to increased temperatures that reduce the dissolution rate and lower the solid precipitation. However, asphaltene deposition reduced the oil recovery by 10%. Moreover, the sensitivity analysis of CO<sub>2</sub> injection rates was performed to identify the effect of CO<sub>2</sub> injection rate on reduced permeability in deep and high-temperature formations. It was found that increased CO<sub>2</sub> injection rates and pressures enable us to reach miscibility pressure. Once this pressure is reached, there are less benefits of injecting CO<sub>2</sub> at a higher rate for better pressure maintenance and no further diminution of residual oil.
format	article
author	Ilyas Khurshid Imran Afgan
author_facet	Ilyas Khurshid Imran Afgan
author_sort	Ilyas Khurshid
title	Geochemical Investigation of CO<sub>2</sub> Injection in Oil and Gas Reservoirs of Middle East to Estimate the Formation Damage and Related Oil Recovery
title_short	Geochemical Investigation of CO<sub>2</sub> Injection in Oil and Gas Reservoirs of Middle East to Estimate the Formation Damage and Related Oil Recovery
title_full	Geochemical Investigation of CO<sub>2</sub> Injection in Oil and Gas Reservoirs of Middle East to Estimate the Formation Damage and Related Oil Recovery
title_fullStr	Geochemical Investigation of CO<sub>2</sub> Injection in Oil and Gas Reservoirs of Middle East to Estimate the Formation Damage and Related Oil Recovery
title_full_unstemmed	Geochemical Investigation of CO<sub>2</sub> Injection in Oil and Gas Reservoirs of Middle East to Estimate the Formation Damage and Related Oil Recovery
title_sort	geochemical investigation of co<sub>2</sub> injection in oil and gas reservoirs of middle east to estimate the formation damage and related oil recovery
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/b3006fa5edc4478a8d338552f74f4288
work_keys_str_mv	AT ilyaskhurshid geochemicalinvestigationofcosub2subinjectioninoilandgasreservoirsofmiddleeasttoestimatetheformationdamageandrelatedoilrecovery AT imranafgan geochemicalinvestigationofcosub2subinjectioninoilandgasreservoirsofmiddleeasttoestimatetheformationdamageandrelatedoilrecovery
_version_	1718412369853415424

Geochemical Investigation of CO<sub>2</sub> Injection in Oil and Gas Reservoirs of Middle East to Estimate the Formation Damage and Related Oil Recovery

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