Power tong frames

E - Fixed Constructions – 21 – B

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Details

E21B 19/16 (2006.01)

Patent

CA 2428554

Apparatus for securing a joint between two lengths of tubular. The apparatus comprises a tong arrangement (23) comprising a rotary tong (1) and a back-up tong (11). A frame (20) has a seat (21) for supporting the tong arrangement (23) from beneath, the tong arrangement (23) resting upon the seat (21) such that the tong arrangement (23) can be oriented in use at an angle to the longitudinal axis of the frame (20). Means (32) are provided for securing the tong arrangement (23) to the frame (20) at a chosen orientation.

L'invention concerne un appareil permettant de fixer un joint entre deux longueurs de tube. Cet appareil comprend un assemblage de clés à tiges (23) comprenant une clé à tiges rotative (1) et une clé à tiges de dévissage (11). Un cadre (20) est pourvu d'un socle (21) permettant de supporter l'assemblage de clés à tiges (23) par dessous, ledit assemblage de clés à tiges (23) reposant sur le socle (21) de manière à ce que l'assemblage de clés à tiges (23) puisse être orienté en cours de fonctionnement selon un angle par rapport à l'axe longitudinal du cadre (20). L'invention concerne également des moyens (32) servant à fixer l'assemblage de clés à tiges (23) au cadre (20) selon une orientation sélectionnée.

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