Evaluation of CO2 flooding as an enhanced recovery method in a gas condensate reservoir

dc.contributor.advisorMejia-Cardenas, Juan Manuelspa
dc.contributor.authorRivera-Ortega, Gerson Orlandospa
dc.contributor.corporatenameUniversidad Nacional de Colombia - Sede Medellínspa
dc.contributor.researchgroupDinámicas de Flujo y Transporte en Medios Porososspa
dc.date.accessioned2020-04-27T21:35:56Zspa
dc.date.available2020-04-27T21:35:56Zspa
dc.date.issued2019-08-30spa
dc.description.abstractUn modelo composicional de flujo multifásico fue creado para evaluar los efectos de la inyección de CO2 en un yacimiento de gas condensado. Los objetivos del estudio fueron estimar el factor de recobro del condensado considerando diferentes escenarios de tasas de inyección, el efecto de la presión de yacimiento en la eficiencia del recobro, los cambios composicionales de los fluidos producidos y la comprensión de los mecanismos de producción. La producción incremental de condensado pudo caracterizarse en tres diferentes periodos: Soporte de presión, producción de gas condensado rico y el reciclo de CO2. El estudio concluyó que la presión de yacimiento tiene un impacto significativo en la recuperación del condensado, se obtuvieron mejores resultados cuando la inyección es implementada a mayores presiones de yacimiento (temprano en la vida productiva). Cuando la inyección se modela a altas presiones, la cantidad de condensado líquido en la roca era menor. Esta condición le confirió al CO2 mayor movilidad considerando el efecto de la permeabilidad relativa, en comparación con el caso donde se inyectó a menor presión de yacimiento donde mayor cantidad de condensado líquido estuvo presente en la roca. Por esa razón el GOR incrementa más rápido mientras mayor es la presión de yacimiento.spa
dc.description.abstractA fully compositional multiphase flow model was used to evaluate the effects of CO2 injection into a gas condensate reservoir. The research objectives were to estimate the condensate recovery factor concerning different injection rates scenarios, the reservoir pressure effects in the condensate recovery efficiency, the compositional changes of the produced fluids and to understand the production mechanisms. The incremental oil production in the producer well due to the CO2 injection could be characterized by three different periods: Pressure support, Rich gas condensate production, CO2 Cycling. The study concluded the reservoir pressure has a substantial impact on the incremental oil, CO2 flooding yields better results when it is executed at higher reservoir pressures (early in the field life). When CO2 injection started at high reservoir pressure, the quantity of liquid condensate in the rock was small. This condition gave to the CO2 more mobility considering the relative permeability curves in comparison to the lower pressure case where higher condensate saturation was present in the rock. GOR increases faster as higher the reservoir pressures.spa
dc.description.degreelevelMaestríaspa
dc.description.projectPlan nacional para el potenciamiento de la tecnología CEOR con gas mejorado químicamente, contrato 273-2017’spa
dc.description.sponsorshipAgencia Nacional de Hidrocarburosspa
dc.format.extent58spa
dc.format.mimetypeapplication/pdfspa
dc.identifier.citationRivera, G. (2019). Evaluation of CO2 Flooding as an Enhanced Recovery Method in a Gas Condensate Reservoirspa
dc.identifier.urihttps://repositorio.unal.edu.co/handle/unal/77452
dc.language.isoengspa
dc.publisher.branchUniversidad Nacional de Colombia - Sede Medellínspa
dc.publisher.departmentDepartamento de Procesos y Energíaspa
dc.publisher.programMedellín - Minas - Maestría en Ingeniería - Ingeniería de Petróleosspa
dc.relationSponsorspa
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dc.rightsDerechos reservados - Universidad Nacional de Colombiaspa
dc.rights.accessrightsinfo:eu-repo/semantics/openAccessspa
dc.rights.licenseAtribución-NoComercial-SinDerivadas 4.0 Internacionalspa
dc.rights.spaAcceso abiertospa
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/spa
dc.subject.ddc620 - Ingeniería y operaciones afines::622 - Minería y operaciones relacionadasspa
dc.subject.proposalInyección de CO2spa
dc.subject.proposalCO2 floodingeng
dc.subject.proposalEOReng
dc.subject.proposalRecobro mejoradospa
dc.subject.proposalGas condensadospa
dc.titleEvaluation of CO2 flooding as an enhanced recovery method in a gas condensate reservoirspa
dc.title.alternativeEvaluación de la inyección de CO2 como método de recobro mejorado en un yacimiento de gas condensadospa
dc.typeTrabajo de grado - Maestríaspa
dc.type.coarhttp://purl.org/coar/resource_type/c_bdccspa
dc.type.coarversionhttp://purl.org/coar/version/c_ab4af688f83e57aaspa
dc.type.contentTextspa
dc.type.driverinfo:eu-repo/semantics/masterThesisspa
dc.type.versioninfo:eu-repo/semantics/acceptedVersionspa
oaire.accessrightshttp://purl.org/coar/access_right/c_abf2spa

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