Apparatus for connecting sucker rods

E - Fixed Constructions – 21 – B

Patent

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Details

E21B 17/02 (2006.01) E21B 17/22 (2006.01) F16L 15/08 (2006.01)

Patent

CA 2500740

A apparatus having an elongate body having an exterior surface, a first end and a second end. A first coupling is positioned at the first end which adapted to mate with a first sucker rod. A second coupling is positioned at the second end which is adapted to mate with a second sucker rod to form a sucker rod string. At least one helical fin spiralling around at least a portion of the exterior surface of the body, such that, upon rotation of the sucker string, the at least one helical fin creates fluid movement.

Un dispositif muni d'un corps allongé et doté d'une surface extérieure, d'une première extrémité et d'une deuxième extrémité. Un premier raccord est placé à la première extrémité qui est adaptée pour se raccorder à une première tige de pompage. Un deuxième raccord est placé à la deuxième extrémité qui est adaptée pour se raccorder à une deuxième tige de pompage pour former un train de tiges de pompage. Au moins une ailette en hélice est disposée autour d'au moins une partie de la surface extérieure du corps de sorte qu'au moment de la rotation du train de tiges de pompage, l'ailette en hélice imprime un mouvement au fluide.

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