A Novel Semi-Empirical Correlation for Prediction of Bubble Point Pressure of Hydrocarbon Mixtures Based on Patel-Teja & Valderrama-Patel-Teja Equations of State
Publish place: 06th International Congress on Chemical Engineering
Publish Year: 1388
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICHEC06_551
تاریخ نمایه سازی: 1 مهر 1388
Abstract:
Accurate prediction of bubble point pressure of a hydrocarbon mixture has been of concern for a long time in petroleum industry. Most of previous generalized empirical correlations suffer from unreasonable accuracy for prediction ofbubble point pressure of hydrocarbon mixtures. In this study, adequate analyses of phase envelope on the basis of Patel & Teja equation of state (PT EOS) and its modification by Valderrama (VPT EOS) for various petroleum reservoir fluids and a few number of C1-FC10 binary mixtures was performed so that a novel semi-empirical correlation for prediction of bubble point pressure of hydrocarbon mixtures is proposed which utilizes both PT & VPT EOS. It has been found that the proposed correlation is of higher precision and accuracy in predicting bubble point pressure of hydrocarbon mixtures than the conventional EOS, e.g. Peng-Robinson EOS which is known as the most reliable equation of state in petroleum industry. The proposed model also shows enough accuracy for predicting of dew point pressures as well.
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Authors
Navid Mirjordavi
Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran
Cyrus Ghotbi
Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran
Amir Badakhshan
Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran b: Department of Chemical and Petroleum Engineering, University of Calgary, Alberta, Canada
Mohammad H. Ghazanfari
Tehran Petroleum Research Center, Tehran, Iran
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