E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 7/06 (2006.01) E21B 7/08 (2006.01)
Patent
CA 2745794
The invention provides ball piston steering devices and methods for use of ball piston devices. One aspect of the in-vention provides a ball piston steering device including: a sleeve in fluid communication with a fluid source and a ball received within the sleeve. The ball is movable within the sleeve from a recessed position and an extended position.
L'invention porte sur des dispositifs de direction à piston sphérique et sur des procédés d'utilisation de dispositifs à piston sphérique. Un aspect de l'invention porte sur un dispositif de direction à piston sphérique comprenant : un manchon en communication fluidique avec une source de fluide et une bille reçue à l'intérieur du manchon. La bille est mobile à l'intérieur du manchon entre une position en retrait et une position étendue.
Neves Fabio
Slocum Alexander H.
Schlumberger Canada Limited
Smart & Biggar
LandOfFree
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