E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 7/06 (2006.01)
Patent
CA 2709929
A steerable system comprises a first rotatable housing (22), a second rotatable housing (24) connected to the first rotatable housing (22) by an adjustable joint (26), a cam member (42) held against rotation, in use, and cam follower means cooperable with the cam member (42) and moveable to drive the second rotatable housing (24) for movement relative to the first rotatable housing (22) about the adjustable joint (26).
La présente invention concerne un système orientable comportant un premier boîtier rotatif (22), un second boîtier rotatif (24) connecté au premier boîtier rotatif (22) par une articulation réglable (26), un organe de came (42) maintenu contre une rotation, en utilisation, et un galet suiveur apte à coopérer avec l'organe de came (42) et apte à se déplacer pour entraîner le second boîtier rotatif (24) en un déplacement relatif par rapport au premier boîtier rotatif (22) autour de l'articulation réglable (26).
Schlumberger Canada Limited
Smart & Biggar
LandOfFree
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