Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Vijay Ramakrishnan0
Espen S. Johansen0
Leslie Wayne Perry0
Omer Haldun Unalmis0
Alejandro Vera0
Daniel Rodriguez0
Date of Patent
April 19, 2011
0Patent Application Number
125737230
Date Filed
October 5, 2009
0Patent Primary Examiner
Patent abstract
Methods and apparatus enable measuring flow of a fluid within a conduit. For example, flowmeters may measure the velocity of production fluid flowing through production pipe of an oil/gas well. The flowmeters rely on detection of pressure variations generated as a result of a backward-facing step as a basis for flow measurement calculations. Pressure sensing occurs away from the step in a direction of the flow of the fluid in an enhanced turbulence region of the flowmeter where the inner diameter remains enlarged as a result of the step.
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