Eyring-Theory-Based Model To Estimate Crude Oil Viscosity at Reservoir Conditions

The well-known absolute reaction rate theory of Eyring was successfully extended to the accurate estimation of crude oil viscosities over a wide pressure range: from dead to live oil conditions. Two simple cubic equations of state (Soave or Peng−Robinson) were incorporated into the viscosity model t...

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Bibliographic Details
Published in:Energy & fuels 2009-01, Vol.23 (1), p.464-470
Main Authors: Macías-Salinas, Ricardo, Durán-Valencia, Cecilia, López-Ramírez, Simón, Bouchot, Christian
Format: Article
Language:English
Subjects:
Applied sciences
Constitution and properties of crude oils, shale oils, natural gas and bitumens. Analysis and characteristics
Crude oil, natural gas and petroleum products
Energy
Exact sciences and technology
Fuels
Process Engineering
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Summary:The well-known absolute reaction rate theory of Eyring was successfully extended to the accurate estimation of crude oil viscosities over a wide pressure range: from dead to live oil conditions. Two simple cubic equations of state (Soave or Peng−Robinson) were incorporated into the viscosity model to calculate all of the thermodynamic properties required within the Eyring’s modeling framework. Satisfactory density and viscosity representations of various crude oils (with low-to-moderate molar masses) were achieved by using two tuning parameters valid over a wide pressure range.
ISSN:0887-0624
1520-5029
DOI:10.1021/ef8003015