G - Physics – 01 – F
Patent
G - Physics
01
F
G01F 1/34 (2006.01) E21B 47/06 (2006.01) G01F 1/00 (2006.01) G01F 1/44 (2006.01) G01F 1/74 (2006.01)
Patent
CA 2477659
A method and apparatus for measuring the flow rate of a fluid within tubing disposed within a downhole wellbore. The present invention provides an inverse Venturi meter inserted within tubing with an enlarged inner diameter portion. Pressure differential is measured between the enlarged inner diameter portion and another portion of the inverse Venturi meter. Flow rate is determined from the pressure differential and the density of the fluid.
Méthode et appareil de mesure du débit d'un fluide à l'intérieur d'un tube de forage en fond de puits. Un débitmètre Venturi inversé est inséré dans une partie du tube présentant un plus grand diamètre intérieur. La différence de pression est mesurée entre cette partie et une autre section du débitmètre. Le débit est déterminé à partir de la différence de pression et de la densité du fluide.
Ridout & Maybee Llp
Weatherford/lamb Inc.
LandOfFree
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