Device for characterizing the flow of a multiphase fluid in...

Details Device for characterizing the flow of a multiphase fluid in... Device for characterizing the flow of a multiphase fluid in...

G - Physics

01

N

G01N 27/00 (2006.01) G01F 1/56 (2006.01) G01F 1/74 (2006.01) E21B 47/01 (2006.01)

Patent

CA 2473854

The invention relates to a device for integrating electrodes characterizing the flow of a multiphase fluid in a tubing. The device includes a tube section made out of an electrically insulating material and bearing the electrodes on its external surface. A metal compensation sheath encircles the section, being separated from the latter by an insulating and incompressible fluid. An annular chamber outside the sheath communicates with the inside of the tubing. The sheath is fixed on seal rings inserted at the ends of the section, by reinforcement for example.

L'invention concerne un dispositif permettant d'intégrer des électrodes (12) destinées à caractériser l'écoulement d'un fluide polyphasique dans un tuyau (10). Ce dispositif comprend une partie tubulaire (14) constituée d'un matériau électro-isolant et destinée à supporter les électrodes sur sa surface externe. Une gaine de compensation métallique (16) entoure cette partie tubulaire (14) et est séparée de cette dernière par un fluide isolant et incompressible. Une chambre annulaire (18) située à l'extérieur de cette gaine communique avec l'intérieur du tuyau (10). Ladite gaine (16) est fixée sur des anneaux d'étanchéité (29) insérés aux extrémités de la partie tubulaire (14), au moyen d'une garniture de renfort par exemple.

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