DEVICE FOR MEASURING RATES IN INDIVIDUAL PHASES OF A MULTIPHASE FLOW
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United States of America Patent
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Issued Date -
Oct 20, 2011
app pub date -
Sep 18, 2009
filing date -
Sep 18, 2008
priority date (Note) -
Abandoned
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Abstract
A device for measuring rates in individual phases of a multiphase flow, such as in flow of hydrocarbon fluid through a pipe line, comprising a venturi having, seen in the flow direction thereof, a first inlet portion with deceasing cross-section, a second intermediate portion with mainly uniform cross-section, and a third outlet portion with increasing cross-section, and being situated within the pipe line. According to the present invention, the venturi is provided with a number of sensors, and the sensors are arranged in mutual distance at different cross-section areas along at least the first of the three portion of the venturi as thereby being able to determine a pressure profile along the venturi as a base for estimating rates for actual rates of the flow.
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