Snubbing unit with improved slip assembly

Details Snubbing unit with improved slip assembly Snubbing unit with improved slip assembly

E - Fixed Constructions

21

B

E21B 19/10 (2006.01)

Patent

CA 2466887

An improved snubbing unit including a snubbing unit base (2), a lifting assembly (8) having a platform positioned above the base, a rotary table positioned on the snubbing unit, and a first slip assembly (1) positioned on the rotary table. The first slip assembly further includes a base plate with a center aperture formed therein, at least two separate slip frames (3) positioned on the base plate around the center aperture, wherein each of the slip frames includes a slip surface, and a die carrier (7) positioned within each of the slip frames, wherein each of the die carriers (7) also includes a surface (30) for engagement with the slip surfaces of said slip frames. Additionally, a second slip assembly will be positioned on the snubbing unit.

L'invention concerne une unité de freinage améliorée comprenant une base, un ensemble de levage équipé d'une plate-forme au-dessus de la base, une table rotative positionnée sur l'unité de freinage, et un premier ensemble de glissement positionné sur la table rotative. Le premier ensemble de glissement comprend également une plaque de base présentant une ouverture centrale, et au moins deux structures de glissement séparées positionnées sur la plaque de base autour de l'ouverture centrale. Chacune des structures de glissement comprend une surface de glissement, et un support de filière positionné dans chacune des structures de glissement. Chacun des supports de filière comprend également une surface venant en contact avec les surfaces de glissement desdites structures de glissement. De plus, un second ensemble de glissement est positionné sur l'unité de glissement.

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