Multi-phase compensated spinner flow meter

Details Multi-phase compensated spinner flow meter Multi-phase compensated spinner flow meter

G - Physics

01

F

G01F 1/05 (2006.01) E21B 49/00 (2006.01) G01F 1/10 (2006.01) G01F 1/74 (2006.01)

Patent

CA 2492522

A compensated flow measuring system for measuring a multi-phase fluid flow in a well. An impeller (35) intercepts a downhole multi-phase flow. Capacitance and conductivity sensors are mounted in probe (50) and in close proximity to the impeller and provide measure of electrical admittance of the fluid. The electronics system (15) contains a phase detector for separating the capacitive and conductive signals and providing a signal related to a compensated multi-phase flow rate.

L'invention concerne un débitmètre compensé qui permet de mesurer un flux de fluide multiphase dans un puits. Un impulseur de type hélice intercepte un flux multiphase de fond de puits. Des capteurs de capacité et de conductivité, montés à proximité de l'hélice, fournissent une mesure de l'admittance du fluide. Selon une variante, ces capteurs sont montés au moins en configuration de sonde unique, logée à proximité de l'hélice. Un système électronique contient un détecteur de phase permettant de séparer les signaux de capacité et de conductivité, et de fournir un signal correspondant à un débit multiphase compensé.

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