E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 23/00 (2006.01) E21B 23/01 (2006.01) E21B 33/128 (2006.01) E21B 33/14 (2006.01) E21B 43/10 (2006.01)
Patent
CA 2465934
Embodiments of the present invention relate to hydraulic toots which may be used to set a liner top packer and/or may be used to resist the lifting forces of cementing pack-offs. One embodiment of a tool string for use in wellbore operations comprises a hydraulic anchor assembly adapted to prevent axial movement of the tool string and a hydraulic packer actuator assembly adapted to set a packer.
Des modes de réalisation de la présente invention concernent des outils hydrauliques pouvant servir à la mise en place d'une garniture d'étanchéité supérieure et/ou pouvant servir à résister aux forces de levage de porte-garnitures complets de cémentation. Un mode de réalisation d'un train d'outil destiné à des opérations de forage de puits comprend une ancre hydraulique adaptée pour empêcher le mouvement axial du train d'outil et un actionneur de garniture hydraulique adapté pour la mise en place d'une garniture d'étanchéité.
Hirth David E.
Pedersen Gerald D.
Deeth Williams Wall Llp
Weatherford/lamb Inc.
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