E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/10 (2006.01)
Patent
CA 2714411
An expandable liner hanger system includes an expandable lin-er hanger (26) and an expansion cone (36) having a first outer diameter when driven through the expandable liner hanger in a first direction to expand the expandable tubing (34). The expandable liner hanger system also includes a polished bore receptacle (30) having a lower end coupled to an upper end of the expandable liner hanger by a coupling (32), the coupling (32) having an in-ner diameter smaller than the first outer diameter. In the run in condition, the expansion cone (36) is positioned below the coupling (32).
Linvention concerne un système de suspension de colonne perdue extensible qui inclut une suspension de colonne perdue extensible 26 et un cône dexpansion 36 ayant un premier diamètre externe lorsquil est acheminé à travers la suspension de colonne perdue extensible dans une première direction pour agrandir le tube extensible 34. Le système de suspension de colonne perdue extensible inclut également un contenant à alésage poli 30 comportant une extrémité inférieure couplée à une extrémité supérieure de la suspension de colonne perdue extensible par un accouplement 32, laccouplement 32 ayant un diamètre interne plus petit que le premier diamètre externe. Dans le fonctionnement en condition, le cône dexpansion 36 est placé en dessous de laccouplement 32.
Halliburton Energy Services Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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