Fluid flow conduit, method and use

F - Mech Eng,Light,Heat,Weapons – 16 – L

Patent

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Details

F16L 9/19 (2006.01) E21B 17/00 (2006.01) E21B 17/22 (2006.01) F15D 1/02 (2006.01) F16L 55/24 (2006.01) F17D 1/08 (2006.01)

Patent

CA 2696999

The invention concerns a section of tubing or other conduit having a flow passage. The flow passage extends through the tubing and incorporates a member extending through the passage and guides which constrain a fluid flowing through the flow passage to flow around the member along a path which is longer than an axial length of the flow passage in a fluid flow direction. The guides may define an annular path. The conduit may comprise an inside wall and the guides may comprise a combination of at least one spiral channel defined along the inside wall and the member may be a sucker rod extending along the flow passage.

L'invention concerne une section de tube ou autre conduit ayant un passage d'écoulement. Le passage d'écoulement traverse le tube et incorpore un élément traversant le passage et des guides qui limitent un écoulement de fluide à travers le passage d'écoulement de telle sorte que le fluide s'écoule autour de l'élément le long d'un trajet qui est plus long qu'une longueur axiale du passage d'écoulement dans une direction d'écoulement de fluide. Les guides peuvent définir un trajet annulaire. Le conduit peut comprendre une paroi intérieure et les guides peuvent comprendre une combinaison d'au moins un canal en spirale défini le long de la paroi intérieure et l'élément peut être une tige de pompage s'étendant le long du passage d'écoulement.

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