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Asphaltene deposition mostly occurs when the thermodynamic conditions, like temperature, pressure, and oil composition of crude oil change. Therefore predicting asphaltene phase behavior through thermodynamic modeling may help to control its precipitation and reduce the associated problems. In this work, the Cubic-Plus-Association (CPA) equation of state was used to model asphaltene precipitation...
Precipitation of heavy organics, especially asphaltenes, causes many problems in oil industry. Thermodynamic models are used in order to realize the phase behavior of asphaltene deposition. In this study, the Association Equation of State (AEOS) model was developed for predicting asphaltene precipitation in crude oil. In addition to a physical term, a chemical term was used in this model to consider...
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