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Determinação da saturação residual de óleo através da medida da variação da concentração de radônio na água de produção

Authors: Pinto, Amenônia Maria Ferreira;

Determinação da saturação residual de óleo através da medida da variação da concentração de radônio na água de produção

Abstract

Abstract: A method has been developed for the quantification of the amount of petroleum remaining within the porous volume of oil reservoirs using radon as a natural tracer. The Oil Saturation is estimated, taking into account the partition coefficient of radon between the organic and aqueous phases in the reservoir is known and the increase in the amount of radon in the aqueous phase, relatively to the amount initially present is accounted for. The methodology has been tested in experiments carried in reduced laboratory scale. A porous medium block prepared in such a way to approximately reproduce the reservoir characteristics has been used in the tests. The block was built out of a sandstone rock containing uranium ore whose radon emanation rate allows precise measurements in small volume samples placed in a coreholder. The steps leading from the formation to the depletion of the reservoir have been simulated...Note: The complete abstract is available with the full electronic document

Resumo: A metodologia desenvolvida estabelece alternativas que possibilitam a quantificação do óleo estacionado no volume poroso dos reservatórios de petróleo. Foi admitido que, o conhecimento do coeficiente de partição do radônio entre o óleo e a água presentes no reservatório, viabilizará a determinação da Saturação Residual, levando-se em conta o aumento da quantidade de radônio na fase aquosa em relação à quantidade presente antes de ser iniciada a recuperação secundária, quando o óleo é expulso pela injeção de água. Foram executados testes, em escala de laboratório, em um corpo de prova composto por um meio poroso construído de forma a simular as características de um reservatório. O corpo de prova, elaborado a partir de uma rocha sedimentar de minério de urânio, foi acondicionado em um coreholder onde foram reproduzidas as etapas desde a formação até o esgotamento de um reservatório...Observação: O resumo, na íntegra, poderá ser visualizado no texto completo da tese digital

Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia Química

Sistemas de Processos Químicos e Informática

Orientador: Elias Basile Tambourgi

Doutor em Engenharia Química

Doutorado

Keywords

Processos quimicos, Chemical processes, Energia nuclear, Nuclear energy

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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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