A deflection joint

Details A deflection joint A deflection joint

E - Fixed Constructions

21

B

E21B 7/08 (2006.01) E21B 17/02 (2006.01) E21B 23/14 (2006.01)

Patent

CA 2438358

A deflection joint (10) for use in a well bore (12) comprises: an element provided with at least one pivot means pivotable about an axis; and at least one roller means (30,32,34) for reducing friction when the deflection joint is moved within said well bore.

L'invention concerne un raccord de déviation (10) utilisé dans un forage (12) et comprenant un élément muni d'au moins un organe pivotant capable de pivoter autour d'un axe, et au moins un galet (30, 32, 34) destiné à réduire le frottement lorsque ce raccord de déviation se déplace dans ledit forage.

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