Correlations between SARA Fractions, Density, and RI to Investigate the Stability of Asphaltene-Reference-Cited by-同舟云学术

Correlations between SARA Fractions, Density, and RI to Investigate the Stability of Asphaltene

Published:2012-03-18 Issue: Volume:2012 Page:1-6
ISSN:2090-732X
Container-title:ISRN Analytical Chemistry
language:en
Short-container-title:ISRN Analytical Chemistry

Author:

Chamkalani Ali¹

Affiliation:

1. Department of Petroleum Engineering, Petroleum University of Technology, P.O. Box 63431, Ahwaz, Iran

Abstract

Asphaltene precipitation is one of the most common problems in both oil recovery and refinery processes. Its deposition causes many problems mainly because of the fuzzy nature of asphaltene and the large number of parameters affecting precipitation. Unfortunately there is not a predictive technique for screening it. Refractive index (RI) was used as a stability test for asphaltene which makes a quantitative judgment for asphaltene stability. In our study, we first represent a novel correlation between SARA fractions and density and then demonstrate the relation between density and RI; second we developed a relation for SARA and RI, by utilizing RI to investigate the stability of asphaltene.

Publisher

Hindawi Limited

Subject

General Medicine

Link

http://downloads.hindawi.com/archive/2012/219276.pdf

Reference32 articles.

1. Asphaltene deposition: a survey of field experiences and research approaches

2. Asphaltene Deposition in Production Facilities

3. Thermodynamic models for asphaltene solubility and precipitation

4. Screening of Crude Oils for Asphalt Precipitation: Theory, Practice, and the Selection of Inhibitors

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