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- W2372002490 abstract "Ultrasonic was applied to reduce the viscosity of ultra-heavy oil of Shengli Oilfield.Ultrasonic processing parameters were optimized and the effect of ultrasonic power,frequency and processing time on the viscosity-reduction rate of ultra-heavy oil were studied.Also,the SARA and average molecular weight of heavy oil before and after ultrasonic treatment were analyzed.Experimental results show that the optimal parameters were ultrasonic power 1 000 W,frequency 18 kHz and processing time 30 min.Ultrasonic power has the biggest effect on heavy oil viscosity-reduction rate,followed by frequency and processing time.Heavy oil viscosity-reduction rate increases with the increase of ultrasonic power and processing time,and decreases with the increase of frequency.Ultrasonic could break the molecular structure of heavy oil and split the macromolecule in heavy oil into light hydrocarbon,leading to the irreversible viscosity reduction and quality improvment of ultra-heavy oil." @default.
- W2372002490 created "2016-06-24" @default.
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- W2372002490 date "2012-01-01" @default.
- W2372002490 modified "2023-09-28" @default.
- W2372002490 title "Study on Ultrasonic Viscosity-reduction Method of Ultra-heavy Oil" @default.
- W2372002490 hasPublicationYear "2012" @default.
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