Articulated drillstring entry apparatus and method

Details Articulated drillstring entry apparatus and method Articulated drillstring entry apparatus and method

E - Fixed Constructions

21

B

E21B 17/02 (2006.01) E21B 17/20 (2006.01) E21B 33/072 (2006.01)

Patent

CA 2561075

Apparatuses and methods to allow tools disposed upon a conduit to enter the bore of a drillstring are presented. The apparatuses and methods include the use of one or more articulated knuckle joints (30, 32) at ends of an entry sub (12). The articulated knuckle joints are capable of articulating the entry sub among various conduit entry and load carrying positions.

L'invention concerne des appareils et des procédés permettant à des outils disposés sur un conduit de pénétrer dans l'alésage d'un train de forage. Les appareils et procédés comprennent l'utilisation d'un ou de plusieurs joints à rotule articulés (30, 32) aux extrémités d'une réduction d'entrée (12). Les joints à rotule articulés assurent l'articulation de la réduction d'entrée parmi des entrées de conduits et des positions porteuses de charges variées.

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