Publicado

2014-07-01

Emulsions with heavy crude oil in presence of nanoparticles

Emulsiones con crudo pesado en presencia de nanopartículas

DOI:

https://doi.org/10.15446/rbct.n36.46282

Palabras clave:

Emulsions, Heavy oil, Drop size, Viscosity, Nanoparticles (en)
Emulsiones, Crudo pesado, Tamaño de gota, Viscosidad, Nanopartículas (es)

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Autores/as

  • Stephanie Riaza Universidad Nacional de Colombia - Sede Medellín - Facultad de Minas
  • Farid B. Cortés Universidad Nacional de Colombia - Sede Medellín - Facultad de Minas
  • Julián Otalvaro Universidad Nacional de Colombia - Sede Medellín - Facultad de Minas
A study about the use of silica nanoparticles in crude oils from the Castilla field and the effects on stability, drop size and emulsion viscosity was carried out. The interest in the use of this type of nanoparticles is created by the inversion effect that these produce in the W/O emulsion at high water cuts upper than 48%. The emulsion is transformed in W/O/W being the latter the least viscous due to the water is the external phase and it allows to the crude oil slides easily on any surface. In this study, two types of naturally emulsified crude oil with different water cuts and a synthetic emulsion were used. This kind of behavior created by nanoparticles over the emulsion could be an alternative solution to the viscosity, fluidity and mobility problems that affect the extraction and transportation in heavy crude oil.
Se realizó un estudio sobre el uso de nanopartículas de sílice en crudos provenientes del campo Castilla y su efecto en la estabilidad, tamaño de gota y viscosidad de la emulsión. El interés por el uso de este tipo de nanopartículas se crea a partir del efecto de inversión que éstas producen en la emulsión W/O cuando se tienen altos cortes de agua superiores a 48% en peso. La emulsión se trasforma en W/O/W siendo esta última menos viscosa debido a que el agua es la fase externa y permite al crudo deslizarse fácilmente sobre cualquier superficie. Para este estudio se utilizaron dos tipos de crudo emulsionados naturalmente con diferente corte de agua y una emulsión sintética. Este tipo de comportamiento creado por las nanopartículas sobre la emulsión podría ser una solución alternativa a los problemas de viscosidad, fluidez y movilidad que afectan la extracción y transporte en crudo pesado.

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Cómo citar

Riaza, S., Cortés, F. B., & Otalvaro, J. (2014). Emulsiones con crudo pesado en presencia de nanopartículas. Boletín De Ciencias De La Tierra, 36, 55-68. https://doi.org/10.15446/rbct.n36.46282