Signal operated tools for milling, drilling, and/or fishing...

E - Fixed Constructions – 21 – B

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Details

E21B 7/06 (2006.01) E21B 21/10 (2006.01) E21B 23/02 (2006.01) E21B 29/06 (2006.01) E21B 31/107 (2006.01) E21B 31/113 (2006.01)

Patent

CA 2722612

Embodiments of the present invention generally relate to signal operated tools for milling, drilling, and/or fishing operations. In one embodiment, a mud motor for use in a wellbore includes: a stator; a rotor, the stator and rotor operable to rotate the rotor in response to fluid pumped between the rotor and the stator; and a lock. The lock is operable to: rotationally couple the rotor to the stator in a locked position, receive an instruction signal from the surface, release the rotor in an unlocked po-sition, and actuate from the locked position to the unlocked position in re-sponse to receiving the instruction signal.

La présente invention, selon des modes de réalisation, porte de manière générale sur des outils actionnés par signal pour des opérations de broyage, de forage et/ou de repêchage. Selon un mode de réalisation, un moteur à boue destiné à être utilisé dans un puits de forage comprend : un stator; un rotor, le stator et le rotor étant actionnables pour faire tourner le rotor en réponse à un fluide pompé entre le rotor et le stator, et un dispositif de verrouillage. Le dispositif de verrouillage est actionnable : pour coupler en rotation le rotor au stator dans une position verrouillée, pour recevoir un signal d'instruction provenant de la surface, pour libérer le rotor dans une position non verrouillée et pour s'actionner de la position verrouillée à la position non verrouillée en réponse à la réception du signal d'instruction.

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