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- W2027417670 abstract "Heavy-oil-in-water (o/w) emulsions containing produced sand were prepared using commercially available emulsifiers. The emulsions were tested in beakers for emulsion type, quality, and sand-retention characteristics. The apparent viscosities of the o/w emulsions were measured. The effects of polymer addition on the apparent viscosity and sand-carrying capability of the emulsions were also studied.The results of the breaker tests indicate that most emulsifier solutions water-wet the beaker wall and temporarily improve heavy-oil flow characteristics. However, most of the chemicals also water-wet the sand particles and cause sand dropout. The Flothin F2 chemical alone showed stable oil dispersion and, in combination with the Flocon 4800C polymer, showed very good sand-retention, viscosity-reduction, and stable oil-dispersion characteristics.Des emulsions d'huile lourde dans l'eau contenant du sable prepare ont ete produites a l'aide d'emulsifiants disponibles sur le marche. Ces emulsions ont ete testes dans des bechers afin d'en determiner le type, la qualite et les caracteris-tiques de retention du sable. On a mesure les viscosites apparentes des emulsions d'huile dans l'eau. En outre, on a etudie les effets de l'addition de polymeres sur la viscosite apparente ainsi que la capacite des emulsions a supporter le sable.Les resultats des essais au moyen des bechers indiquent que la plupart des solutions emulsifiantes mouillent la paroi des bechers et ameliorent temporairement les caracteristiques d'ecoulement de l'huile lourde. Cependant, la plupart des composants chimiques mouillent egalement les particules de sable et entraǐnent le retrait du sable. Le composant chimique Flothin F2 seul montre une dispersion de l'huile stable et, en combinaison avec le polymere Flocon 4800C, indique de tres bonnes caracteristiques de retention de sable, de reduction de la viscosite et une dispersion de l'huile stable." @default.
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- W2027417670 date "1994-04-01" @default.
- W2027417670 modified "2023-09-24" @default.
- W2027417670 title "Characteristics of heavy-oil-in-water emulsions containing produced sand" @default.
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- W2027417670 doi "https://doi.org/10.1002/cjce.5450720229" @default.
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