Collar load support system and method

Details Collar load support system and method Collar load support system and method

E - Fixed Constructions

21

B

E21B 19/00 (2006.01) E21B 19/06 (2006.01) E21B 19/10 (2006.01) E21B 19/20 (2006.01)

Patent

CA 2403705

A wellbore tubular handling system and method is provided for operation in holding and lowering tubulars, such as tubing strings, casing strings, pipe strings, and the various components thereof, at a rig site. The handling system utilizes a shock table (10) with a compressible support surface (20) that compressively moves with a selected compression rate in response to the weight of the wellbore tubular string (24). The shock table (10) preferably has a shock table body (16) mounted below the rig floor (12) and supports the shock table (10) with a flange (14). A split-sectioned landing spear (30 when open, can allow large items such as collars of other string components to pass through the shock table (10). In a closed position, the landing spear (30) supports and upper collar (34) of the string (24) to thereby support the weight of the string (24) and apply the weight to the compressible support surface (20) of the shock table (10).

L'invention concerne un système et un procédé de traitement de puits de forage, à utiliser pour maintenir et abaisser des tubulaires, tels que des colonnes de cuvelage, des colonnes de tubage et différents composants de ces derniers à un site de forage. Le système de traitement utilise une table à secousses (10) dotée d'une surface support compressible (20) qui se déplace par compression à un taux de compression sélectionné en réponse au poids de la colonne tubulaire du puits de forage (24). La table à secousses (10) comporte de préférence un corps (16) monté au-dessous du sol de forage (12) et supporte la table à secousses (10) au moyen d'une bride (14). Un harpon de pose à sections fendues (30), en position ouverte, peut permettre à de grands objets, tels que des colliers ou d'autres composants de colonne de traverser la table à secousses (10). En position fermée, le harpon de pose (30) supporte un collier supérieur (34) de la colonne tubulaire (24) pour ainsi supporter le poids de cette dernière et appliquer le poids à la surface support compressible (20) de la table à secousses (10).

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