E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 19/16 (2006.01)
Patent
CA 2381554
An apparatus for facilitating the connection of pipes comprises a rotary (4) and a stator (5), the rotary comprising at least one hydraulically actuated jaw (24,25,26), and a pump (58) arranged on the rotary (4) for pumping hydraulic fluid for actuation of the or each jaw (24,25,26), the stator comprising a motor (55) arranged on the stator (5), so that rotational energy can be transferred from the motor to the pump in an operational configuration.
La présente invention concerne un appareil facilitant la connexion de tiges qui comprend un actionneur rotatif (4) et un stator (5). Cet actionneur rotatif comprend au moins une mâchoire hydraulique commandée (24,25,26), et une pompe (58) agencée sur l'actionneur rotatif (4) de façon à pomper un liquide hydraulique destiné à commander la ou chacune des mâchoires (24,25,26). Le stator comprend un moteur (55 ) agencé sur le stator (5), de sorte que l'énergie rotative soit transmise du moteur à la pompe dans une configuration opérationnelle.
Pietras Bernd-Georg
Schulze-Beckinghausen Joerg-Erich
Marks & Clerk
Weatherford/lamb Inc.
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