A Study of Asphaltene Content of Indonesian Heavy Oil

Modern Applied Science, Vol 6, No 5 (2012)

A Study of Asphaltene Content of Indonesian Heavy Oil

Astra Agus Pramana, S. Rachmat, D. Abdassah, M. Abdullah

Abstract

Oil production is highly dependent on its viscosity, which varies with temperature and pressure. Chemically, the viscosity has a tight relationship with asphaltene content. The higher the asphaltene content of the heavy oil, the higher the viscosity.  

A brief review of Saturates, Aromatics, Resins and Asphaltenes (SARA) fractions of oil and how they are extracted and analysed followed by how asphaltene related with viscosity then its theoretical models and its precipitation mechanism, is given. The paper then expose the viscosity vs temperature behavior of Indonesian heavy oil and relates with its SARA measurement.

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