METHOD FOR MONITORING OF MULTIPHASE FLOW IN PIPELINE Russian patent published in 2010 - IPC G01N29/02 

Abstract RU 2382359 C2

FIELD: measuring equipment.

SUBSTANCE: application: for monitoring of multiphase flow in pipeline. Pipeline with monitored medium is scanned with ultrasonic pulses, pulses that have passed through medium and have been reflected from interphase boundary are received, their amplitudes are measured, as well as runtime, which are used to identify nature of multiphase flow motion, which differs by the fact that additionally pulses are received, which have been multiply reflected from boundary of "pipe metal - medium", time of their reverberation is identified, which is used to judge on medium properties in the following manner: smooth increase of reverberation time confirms increase of gas phase content in liquid, sharp rise identifies crossing of interphase boundary "liquid-gas", sharp reduction of reverberation time characterises crossing of boundaries of liquids with various acoustic properties in case of stratified flow.

EFFECT: improved accuracy and information value of multiphase flow monitoring in pipeline.

2 dwg

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Authors

Kuz'Bozhev Aleksandr Sergeevich

Aginej Ruslan Viktorovich

Aleksandrov Jurij Viktorovich

Andronov Ivan Nikolaevich

Knjazev Nikolaj Vladimirovich

Burdinskij Ehrnest Vladimirovich

Dates

2010-02-20Published

2007-06-05Filed