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Previous issue date: 2016-04-12 / CAPES / In this work we consider the injection of water with dissolved ions into a linear horizontal porous rock cylinder with constant porosity and absolute permeability initially containing oil and water in several proportions. The water is assumed to have low salinity concentration, where some ions are dissolved. We disregard that there is in the rocks some possible minerals that can dissolve or precipitate in water phase. There are two chemical fluid components as well as two immiscible phases: water and oil, (w, o). The dissolved ions are: positive divalent ions: calcium ions, Ca2+ and magnesium ions, Mg2+; negative divalent ions: sulphate ions, SO42?; positive monovalent ions: sodium ions, Na+; negative monovalent ions: cloride ions, Cl?. The cations are modeled to be involved in fast ion exchange process with a surface negative X? which can absorb the positive ions, Ca2+, Mg2+ and Na+. We use simple mixing rules and we disregard any heat of precipitation/dissolution of substance reactions or ion desorption. Moreover we disregard any volume contraction efects resulting from mixing and reactions in any phase. We are going to solve in this work, the Riemann problem and we are going to discuss some features about the studied model. / Neste trabalho consideramos a inje??o de ?gua com ?ons dissolvidos em um meio po-roso linear horizontal cil?ndrico com porosidade e permeabilidade absoluta constantes, inicialmente, contendo ?leo e ?gua em v?rias propor??es. A ?gua ? assumida ter baixa concentra??o de sais, onde alguns ?ons est?o dissolvidos. Desconsideramos a exist?ncia de alguns poss?veis minerais na rocha que possam dissolver ou precipitar na fase da ?gua. Existem dois componentes qu?micos fluidos assim como duas imisc?veis fases: ?gua e ?leo,(w, o). Os ?ons dissolvidos s?o: ?ons divalentes positivos: ?ons c?lcio, Ca2+ e ?ons magn?sio, Mg2+; ?ons negativos divalentes: ?ons sulfato, SO42?; ?ons positivos monovalentes: ?ons s?dio, Na+; ?ons negativos monovalentes: ?ons cloro, Cl?. Os c?tions est?o envolvidos em um processo r?pido de troca de ?ons com a superf?cie do meio poroso carregada eletronega-tivamente X?, onde o meio absorver? os ?ons positivos Ca2+, Mg2+ e Na+. Usando regras simples de misturas e desconsiderando qualquer calor de precipita??o ou dissolu??o de rea??es de subst?ncias ou dessor??o de ?ons. Al?m disso, desconsideramos quaisquer efeitos de contra??o de volume resultante das misturas e rea??es em qualquer fase. Resolveremos neste trabalho, o Problema de Riemann e discutiremos algumas caracter?sticas do modelo estudado.
| Identifer | oai:union.ndltd.org:IBICT/oai:localhost:jspui/2095 |
| Date | 12 April 2016 |
| Creators | CARVALHO, Maur?cio de |
| Contributors | Lambert, Wanderson Jos?, Concei??o Junior, Duilio Tadeu da, Lambert, Wanderson Jos?, Oliveira, Rosane Ferreira de, Cruz, Amaury Alvarez |
| Publisher | Universidade Federal Rural do Rio de Janeiro, Programa de P?s-Gradua??o em Modelagem Matem?tica e Computacional, UFRRJ, Brasil, Instituto de Ci?ncias Exatas |
| Source Sets | IBICT Brazilian ETDs |
| Language | Portuguese |
| Detected Language | English |
| Type | info:eu-repo/semantics/publishedVersion, info:eu-repo/semantics/masterThesis |
| Format | application/pdf |
| Source | reponame:Biblioteca Digital de Teses e Dissertações da UFRRJ, instname:Universidade Federal Rural do Rio de Janeiro, instacron:UFRRJ |
| Rights | info:eu-repo/semantics/openAccess |
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