Implementação de Simulador Bifásico baseado na Equação de Brinkman para Reservatórios Carstificados

Autores

  • Daniel Metanias Carvalho Hallack Depto. de Engenharia Civil, COPPE – Universidade Federal do Rio de Janeiro – UFRJ, Rio de Janeiro, RJ.
  • José Sérgio de Araújo Cavalcante Filho Petrobras S/A
  • Paulo Couto Depto. de Engenharia Civil, COPPE – Universidade Federal do Rio de Janeiro – UFRJ, Rio de Janeiro, RJ.

DOI:

https://doi.org/10.21712/lajer.2018.v5.n1.p1-24

Resumo

Apresenta-se, neste artigo, um estudo sobre a dinâmica do escoamento de fluidos em meios altamente porosos e com baixos números de Reynolds. A validade da equação de Darcy é questionável para estes meios, enquanto a equação de Brinkman, ainda pouco utilizada para escoamento de hidrocarbonetos, é proposta como uma alternativa.

Neste trabalho se desenvolve um simulador de fluxo numérico capaz de representar o escoamento monofásico e bifásico (água - óleo) seguindo os dois equacionamentos distintamente. Para uma variedade de casos representativos os resultados destes equacionamentos são comparados. A aplicação deste estudo é para reservatórios de petróleo carstificados.

Observa-se pequena ou nenhuma influência do termo viscoso de Brinkman em meios porosos convencionais, até que altíssimas permeabilidades sejam atribuídas ao meio de alta porosidade quando pode-se notar diferenças significativas nas velocidades do escoamento, no avanço da frente de água e nos fatores de recuperação.

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Publicado

05-02-2021

Como Citar

Hallack, D. M. C., Cavalcante Filho, J. S. de A., & Couto, P. (2021). Implementação de Simulador Bifásico baseado na Equação de Brinkman para Reservatórios Carstificados. Latin American Journal of Energy Research, 5(1), 1–24. https://doi.org/10.21712/lajer.2018.v5.n1.p1-24

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