THERMODYNAMIC MODELING AND SENSITIVITY ANALYSIS OF ASPHALTENE PRECIPITATION IN CRUDE OIL

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SHAHRABADI A.; MOEZI S.; MAHMOUDIAN H.; SOBHI GH.A.; JAMIALAHMADI M.

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Journal: PETROLEUM RESEARCH Year:2014 | Volume:24 | Issue:78 Page(s): 18-31

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Title

THERMODYNAMIC MODELING AND SENSITIVITY ANALYSIS OF ASPHALTENE PRECIPITATION IN CRUDE OIL

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Keywords

ASPHALTENE PRECIPITATIONQ1

CRUDE OILQ2

RASSAMDANA MODELQ2

FLORY HUGGINS THEORYQ2

SOLUBILITY PARAMETERQ2

Abstract

In this paper, two models, namely the Flory-Huggins (polymer) solutions theory and the model developed by Rassamdana and co-workers, which served as our basic model, were employed for estimating ASPHALTENE PRECIPITATION. In the analyses, the asphaltene SOLUBILITY PARAMETER was initially considered as a function of pressure and was subsequently adjusted by varying the pressure with an aim of logical adjustment of the results with the ASPHALTENE PRECIPITATION experimental data. The values established for the asphaltene SOLUBILITY PARAMETER in the first approach were somewhat underestimated compared to the reported values in the literature; however, the second approach gave more acceptable results. Finally, an empirical expression was proposed for ASPHALTENE PRECIPITATION solubility estimation for the two oil samples with enhanced accuracy at different pressures.

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APA: Copy

SHAHRABADI, A., MOEZI, S., MAHMOUDIAN, H., SOBHI, GH.A., & JAMIALAHMADI, M.. (2014). THERMODYNAMIC MODELING AND SENSITIVITY ANALYSIS OF ASPHALTENE PRECIPITATION IN CRUDE OIL. PETROLEUM RESEARCH, 24(78), 18-31. SID. https://sid.ir/paper/114579/en

Vancouver: Copy

SHAHRABADI A., MOEZI S., MAHMOUDIAN H., SOBHI GH.A., JAMIALAHMADI M.. THERMODYNAMIC MODELING AND SENSITIVITY ANALYSIS OF ASPHALTENE PRECIPITATION IN CRUDE OIL. PETROLEUM RESEARCH[Internet]. 2014;24(78):18-31. Available from: https://sid.ir/paper/114579/en

IEEE: Copy

A. SHAHRABADI, S. MOEZI, H. MAHMOUDIAN, GH.A. SOBHI, and M. JAMIALAHMADI, “THERMODYNAMIC MODELING AND SENSITIVITY ANALYSIS OF ASPHALTENE PRECIPITATION IN CRUDE OIL,” PETROLEUM RESEARCH, vol. 24, no. 78, pp. 18–31, 2014, [Online]. Available: https://sid.ir/paper/114579/en

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