Adjustable rotating guides for spider or elevator

Details Adjustable rotating guides for spider or elevator Adjustable rotating guides for spider or elevator

E - Fixed Constructions

21

B

E21B 19/10 (2006.01) E21B 19/07 (2006.01)

Patent

CA 2517987

The present invention provides a method and apparatus for gripping one or more tubulars (30), which may include casing, during a tubular handling operation, drilling operation, and/or drilling with casing operation. The gripping apparatus (100) comprises a housing (11, 12, 15) having a bore extending therethrough and one or more gripping members (20) which extend radially within the bore to grippingly engage a tubular or casing when activated. Adjustable guides (80) attached to a portion of the gripping apparatus (15) facilitate rotational movement of the casing during the drilling operation when the gripping members (20) of the gripping apparatus (100) are deactivated.

La présente invention concerne un procédé permettant de saisir un ou plusieurs éléments tubulaires (30) pendant une opération de manipulation d'éléments de colonne, de forage et/ou de forage avec pose de cuvelage. Le dispositif de préhension (100) comprend un logement (11, 12, 15) avec conduit traversant et un ou plusieurs éléments de saisie (20) qui se déploient radialement dans le conduit et s'engagent sur un élément tubulaire ou sur un cuvelage lorsqu'ils sont actionnés. Des guides réglables (80) fixés sur une partie (15) du dispositif de préhension facilitent le mouvement de rotation du cuvelage pendant l'opération de forage, lorsque les éléments de saisie (20) du dispositif de préhension (100) sont désactivés.

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