ESTIMATING TEMPERATURE AND PRESSURE EFFECTS ON VISCOSITY OF SASKATCHEWAN HEAVY OILS |
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Authors: | B. Singh A. Miadonye S. S. Huang R. Srivastava V. R. Puttagunta |
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Affiliation: | a School of Engineering, Lakehead University, Thunder Bay, Ontario, Canadab Petroleum Division, Saskatchewan Research Council Regina, Canada |
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Abstract: | Predictions for viscosity of Saskatchewan heavy oils are validated with experimental data at various temperatures and a wide range of pressures. Comparisons of predictions made with a single measured value and curve-fit value both at 30°C and 0 MPag pressure showed that results obtained with the later were in better agreement with experimental values; with overall average absolute deviations of 6.9%and 2.9% respectively
The results demonstrated that extreme care is essential in measuring viscosity at the reference temperature if accurate prediction is to be achieved with the correlation; and furthermore that the correlation can successfully predict heavy oils viscosity. |
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Keywords: | Heavy oils pressure temperature viscosity correlation |
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