Rheological properties of crude oils in Yaregskoye and Yaraktinskoye oil fields

Abstract

Rotary viscometer tests of crude oil with a high content of resins and asphaltenes (Yaregskoye oil field) and crude oil with high paraffin content (Yaraktinskoye oil field) have been conducted. The typical flow curves for these oil types have been plotted. It has been detected that these oils are non-Newtonian fluids, viscosity of which is dependent on shear rate. Based on Arrhenius-Eyring equation, calculations of viscous flow activation energy and complex structural unit (CSU) sizes have been performed. It has been stated that there is a tenfold reduction in CSU size in asphaltic crude oil with the increase in shear rate in a rotary viscometer, while particle size in paraffinic crude oil does not essentially change under the same hydrodynamic conditions.

Original language	English
Article number	012018
Journal	IOP Conference Series: Earth and Environmental Science
Volume	43
Issue number	1
DOIs	https://doi.org/10.1088/1755-1315/43/1/012018
Publication status	Published - 11 Oct 2016
Event	20th International Scientific Symposium of Students, Postgraduates and Young Scientists on Problems of Geology and Subsurface Development, PGON 2016 - Tomsk, Russian Federation Duration: 4 Apr 2016 → 8 Apr 2016

ASJC Scopus subject areas

Environmental Science(all)
Earth and Planetary Sciences(all)

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10.1088/1755-1315/43/1/012018

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Manzhai, V. N., Monkam Monkam, C. L. G., & Terre, D. A. (2016). Rheological properties of crude oils in Yaregskoye and Yaraktinskoye oil fields. IOP Conference Series: Earth and Environmental Science, 43(1), [012018]. https://doi.org/10.1088/1755-1315/43/1/012018

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abstract = "Rotary viscometer tests of crude oil with a high content of resins and asphaltenes (Yaregskoye oil field) and crude oil with high paraffin content (Yaraktinskoye oil field) have been conducted. The typical flow curves for these oil types have been plotted. It has been detected that these oils are non-Newtonian fluids, viscosity of which is dependent on shear rate. Based on Arrhenius-Eyring equation, calculations of viscous flow activation energy and complex structural unit (CSU) sizes have been performed. It has been stated that there is a tenfold reduction in CSU size in asphaltic crude oil with the increase in shear rate in a rotary viscometer, while particle size in paraffinic crude oil does not essentially change under the same hydrodynamic conditions.",

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