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Mechanism of gas saturated oil viscosity anomaly near to phase transition point

Mechanism of gas saturated oil viscosity anomaly near to phase transition point

PHYSICS OF FLUIDS — Marziya R. Sisenbayeva

The analysis of the typical viscosity dependence on the pressure shows that it reduces significantly when pressure decreases to the bubble point (saturation) pressure. Indeed, according to the results of studies,1–5 the viscosity of the live oil can be 20% lower at the pressure near the saturation pressure than at the reservoir pressure.

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