An apparatus for retaining two strings of tubulars

E - Fixed Constructions – 21 – B

Patent

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Details

E21B 19/10 (2006.01) E21B 19/06 (2006.01) E21B 19/07 (2006.01) E21B 33/04 (2006.01) E21B 33/047 (2006.01)

Patent

CA 2307630

An apparatus for retaining two strings of tubulars characterised in that said apparatus comprises body parts (1, 2; 101, 102) of a device for retaining a single string of tubulars and a converting member (103; 305). A device for retaining a string of tubulars, said device comprising at least one body part (203) having a curved tapered surface (202) upon which inserts are located for engagement with said string of tubulars characterised in that said curved tapered surface comprises a recess for the passage of cables.

La présente invention concerne un appareil permettant de maintenir en son centre deux colonnes de tubulaires, caractérisé en ce qu'il comprend des parties corps (1, 2; 101, 102) d'un dispositif permettant de maintenir une colonne unique de tubulaires et un élément de cémentation (103, 305). Cette invention concerne par ailleurs un dispositif pour maintenir une colonne de tubulaires, ce dispositif comprenant au moins une partie corps (203) présentant une surface conique arquée (202) sur laquelle sont disposées des pièces rapportées venant en contact avec la colonne de tubulaires précitée, est caractérisé en ce que la surface conique arquée comprend un évidement conçu pour le passage des câbles.

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