Simulation of viscosity enhanced CO2 nanofluid alternating gas in light oil reservoirs

"Thickened CO2 nanofluids are a mean to improve volumetric sweep efficiency and gas production in CO2 EOR projects in contrast CO2 flooding. Alternating injection of plain CO2 with thickened CO2 nanofluid is proposed as an economical alternative using the findings of CO2 viscosity enhancement t...

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Detalles Bibliográficos
Autores principales: Gallo Jiménez, Gonzalo Augusto, Erdmann, Eleonora
Formato: Ponencias en Congresos acceptedVersion
Lenguaje:Inglés
Publicado: 2019
Materias:
DIOXIDO DE CARBONO
VISCOSIDAD
RECUPERACION MEJORADA
INUNDACION DE POZOS
NANOFLUIDOS
Acceso en línea:http://ri.itba.edu.ar/handle/123456789/1745
Aporte de:
Repositorio Institucional Instituto Tecnológico de Buenos Aires (ITBA) de Instituto Tecnológico de Buenos Aires (ITBA)
id I32-R138-123456789-1745
record_format dspace
spelling I32-R138-123456789-17452022-12-07T14:13:28Z Simulation of viscosity enhanced CO2 nanofluid alternating gas in light oil reservoirs Gallo Jiménez, Gonzalo Augusto Erdmann, Eleonora DIOXIDO DE CARBONO VISCOSIDAD RECUPERACION MEJORADA INUNDACION DE POZOS NANOFLUIDOS "Thickened CO2 nanofluids are a mean to improve volumetric sweep efficiency and gas production in CO2 EOR projects in contrast CO2 flooding. Alternating injection of plain CO2 with thickened CO2 nanofluid is proposed as an economical alternative using the findings of CO2 viscosity enhancement through nanoparticles in current studies. This was achieved by using CMG GEM simulator and contrasting findings with other WAG and CO2 flooding simulations. The simulation was done on a light oil (40 °API) from a Neuquén Basin reservoir. A sensitivity analysis was done to contrast different type of injection schemes. As CO2 nanofluids can be tailor made in order to adjust their viscosity (and other properties like asphaltene deposition control) diverse results were observed. Nanofluids improve the volumetric sweet efficiency, and even low viscosity increment increase the overall gas utilization and conformance compared to CO2 flooding. Since there is no face change, the use of CO2 based nanofluids can be a mean to control CO2 EOR projects avoiding injectivity loss problems. It was observed that injection of mere nanofluid (without alternating CO2) is not technically nor economically convenient as it decreases production rates and has an overall lower economic performance than both WAG and CO2 flooding. Nevertheless, alternating nanofluid with plain CO2 enables higher sweep efficiency while lowering the operational costs due to lower volumes of nanofluid utilized. Adding nanofluid to a WAG scheme also shows improvements in EOR performance." 2019-09-11T18:38:28Z 2019-09-11T18:38:28Z 2017-05 Ponencias en Congresos info:eu-repo/semantics/acceptedVersion 978-1510-841-95-6 http://ri.itba.edu.ar/handle/123456789/1745 en info:eu-repo/semantics/altIdentifier/doi/10.2118/185607-MS application/pdf
institution Instituto Tecnológico de Buenos Aires (ITBA)
institution_str I-32
repository_str R-138
collection Repositorio Institucional Instituto Tecnológico de Buenos Aires (ITBA)
language Inglés
topic DIOXIDO DE CARBONO
VISCOSIDAD
RECUPERACION MEJORADA
INUNDACION DE POZOS
NANOFLUIDOS
spellingShingle DIOXIDO DE CARBONO
VISCOSIDAD
RECUPERACION MEJORADA
INUNDACION DE POZOS
NANOFLUIDOS
Gallo Jiménez, Gonzalo Augusto
Erdmann, Eleonora
Simulation of viscosity enhanced CO2 nanofluid alternating gas in light oil reservoirs
topic_facet DIOXIDO DE CARBONO
VISCOSIDAD
RECUPERACION MEJORADA
INUNDACION DE POZOS
NANOFLUIDOS
description "Thickened CO2 nanofluids are a mean to improve volumetric sweep efficiency and gas production in CO2 EOR projects in contrast CO2 flooding. Alternating injection of plain CO2 with thickened CO2 nanofluid is proposed as an economical alternative using the findings of CO2 viscosity enhancement through nanoparticles in current studies. This was achieved by using CMG GEM simulator and contrasting findings with other WAG and CO2 flooding simulations. The simulation was done on a light oil (40 °API) from a Neuquén Basin reservoir. A sensitivity analysis was done to contrast different type of injection schemes. As CO2 nanofluids can be tailor made in order to adjust their viscosity (and other properties like asphaltene deposition control) diverse results were observed. Nanofluids improve the volumetric sweet efficiency, and even low viscosity increment increase the overall gas utilization and conformance compared to CO2 flooding. Since there is no face change, the use of CO2 based nanofluids can be a mean to control CO2 EOR projects avoiding injectivity loss problems. It was observed that injection of mere nanofluid (without alternating CO2) is not technically nor economically convenient as it decreases production rates and has an overall lower economic performance than both WAG and CO2 flooding. Nevertheless, alternating nanofluid with plain CO2 enables higher sweep efficiency while lowering the operational costs due to lower volumes of nanofluid utilized. Adding nanofluid to a WAG scheme also shows improvements in EOR performance."
format Ponencias en Congresos
acceptedVersion
author Gallo Jiménez, Gonzalo Augusto
Erdmann, Eleonora
author_facet Gallo Jiménez, Gonzalo Augusto
Erdmann, Eleonora
author_sort Gallo Jiménez, Gonzalo Augusto
title Simulation of viscosity enhanced CO2 nanofluid alternating gas in light oil reservoirs
title_short Simulation of viscosity enhanced CO2 nanofluid alternating gas in light oil reservoirs
title_full Simulation of viscosity enhanced CO2 nanofluid alternating gas in light oil reservoirs
title_fullStr Simulation of viscosity enhanced CO2 nanofluid alternating gas in light oil reservoirs
title_full_unstemmed Simulation of viscosity enhanced CO2 nanofluid alternating gas in light oil reservoirs
title_sort simulation of viscosity enhanced co2 nanofluid alternating gas in light oil reservoirs
publishDate 2019
url http://ri.itba.edu.ar/handle/123456789/1745
work_keys_str_mv AT gallojimenezgonzaloaugusto simulationofviscosityenhancedco2nanofluidalternatinggasinlightoilreservoirs
AT erdmanneleonora simulationofviscosityenhancedco2nanofluidalternatinggasinlightoilreservoirs
_version_ 1765660815554248704

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