Obtención y evaluación de un ecotensoactivo como alternativa para procesos de recobro mejorado de petróleo.

dc.contributor.advisorLopera Castro, Sergio Hernandospa
dc.contributor.advisorPabón Gelves, Elizabethspa
dc.contributor.authorRodríguez-Arturo, Yuberspa
dc.contributor.researchgroupYacimientos de Hidrocarburosspa
dc.date.accessioned2020-02-07T21:14:07Zspa
dc.date.available2020-02-07T21:14:07Zspa
dc.date.issued2019-09-12spa
dc.description.abstractLos tensoactivos son agentes de superficie activa que, debido a su capacidad emulsificante, son ampliamente utilizados en diferentes industrias como la farmacéutica, textil, cosmética, hidrocarburos, entre otras. En la industria del petróleo, la inyección de tensoactivos es una técnica de recobro químico empleada para la recuperación mejorada de petróleo, su propósito es reducir la tensión interfacial del sistema agua-petróleo, para mejorar la movilidad de los fluidos a través de la formación. Sin embargo, una de las limitantes es que los surfactantes comerciales son productos químicos de alto costo; por lo tanto, es necesario buscar nuevas alternativas, que sean económicamente viables y que generen menores impactos ambientales. En este sentido, se evaluó el desempeño de tensoactivos naturales obtenidos a partir del jaboncillo (Sapindus saponaria), friega-platos (Solanum torvum) y fique (Furcreae sp) en procesos de recuperación mejorada de petróleo. Se realizó la obtención del tensoactivo natural por el método del solvente; posteriormente, se determinaron las propiedades estructurales, tensoactivas, y térmicas del tensoactivo obtenido y finalmente, se evaluó su efecto en procesos de recobro mejorado, a partir de análisis de las pruebas de desplazamiento en medios porosos a condiciones de yacimiento. Los resultados experimentales evidencian que los tensoactivos naturales tienen características similares a las de un tensoactivo convencional, reducen la tensión interfacial entre el 40 y 50% del sistema agua-aceite, alteran la humectabilidad del medio poroso y generan factores de recobro incremental entre el 20 y el 50%, convirtiéndose en una alternativa promisoria para esta aplicación.spa
dc.description.abstractSurfactant are active surface agents that have been implemented in different industries such as pharmaceutical, textile, cosmetic, oil and, among others, to emulsify immiscible phases. In the oil industry, surfactant flooding is one of the techniques used for enhanced oil recovery, the goal is to reduce the interfacial tension of the water-oil system for improving the mobility of the fluids through the formation. However, the surfactants are high-cost chemicals; therefore, it is necessary the development of technologies economical and environmentally viable. In this sense, performance of natural surfactants obtained from jaboncillo (Sapindus saponaria), friega-platos (Solanum torvum) and fique (Furcreae sp) for improved oil recovery processes were evaluated. The natural surfactants were obtained by the solvent method; subsequently, physicochemical and thermal properties were determined and finally, the effect on improved recovery processes was evaluated by displacement tests in porous media at reservoir conditions. Results showed the ability of natural surfactants to reduce the interfacial tension between 40 and 50% in water-oil system, alter the porous medium wettability and generate an incremental recovery factor between 20 and 50%, converting in a promising alternative in this applicationspa
dc.description.additionalMaestría en Ciencias - Químicaspa
dc.description.degreelevelMaestríaspa
dc.format.extent76spa
dc.format.mimetypeapplication/pdfspa
dc.identifier.urihttps://repositorio.unal.edu.co/handle/unal/75566
dc.language.isospaspa
dc.publisher.branchUniversidad Nacional de Colombia - Sede Medellínspa
dc.publisher.departmentEscuela de químicaspa
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dc.rightsDerechos reservados - Universidad Nacional de Colombiaspa
dc.rights.accessrightsinfo:eu-repo/semantics/openAccessspa
dc.rights.licenseAtribución-SinDerivadas 4.0 Internacionalspa
dc.rights.licenseAtribución-SinDerivadas 4.0 Internacionalspa
dc.rights.spaAcceso abiertospa
dc.rights.urihttp://creativecommons.org/licenses/by-nd/4.0/spa
dc.subject.ddcQuímica y ciencias afinesspa
dc.subject.proposalTensoactivo natural,spa
dc.subject.proposalInyección de tensoactivospa
dc.subject.proposalRecuperación mejorada de petróleospa
dc.titleObtención y evaluación de un ecotensoactivo como alternativa para procesos de recobro mejorado de petróleo.spa
dc.typeLibrospa
dc.type.coarhttp://purl.org/coar/resource_type/c_2f33spa
dc.type.coarversionhttp://purl.org/coar/version/c_970fb48d4fbd8a85spa
dc.type.contentTextspa
dc.type.driverinfo:eu-repo/semantics/bookspa
dc.type.redcolhttp://purl.org/redcol/resource_type/LIBspa
dc.type.versioninfo:eu-repo/semantics/publishedVersionspa
oaire.accessrightshttp://purl.org/coar/access_right/c_abf2spa

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