B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
B21D 39/20 (2006.01) E21B 43/10 (2006.01)
Patent
CA 2455233
Apparatus for and a method of expanding tubulars, and particularly tubulars or a string of tubulars that have one or more perforated portions and one or more non-perforated portions. In one embodiment, the apparatus (150) includes an inflatable element (e.g. a packer 152) that has a shaft (156) rotatably coupled thereto so that the shaft (156) can rotate relative to the inflatable element (152). An expansion cone (158) is threadedly engaged with a threaded portion (156t) of the shaft (156) so that it moves along the threaded portion (156t) upon rotation of the shaft (156) relative to the cone (158).
Dispositif et procédé d'expansion d'éléments tubulaires, et notamment d'éléments tubulaires ou de colonnes d'éléments tubulaires comportant une ou plusieurs parties perforées et une ou plusieurs parties non perforées. Dans une forme de réalisation, le dispositif (150) comprend un élément gonflable, p. ex. garniture d'étanchéité (152), auquel un arbre (156) est accouplé rotatif de façon à permettre à cet arbre (156) de tourner par rapport à l'élément gonflable (152). Un cône d'expansion (158) est vissé sur une partie filetée (156t) de l'arbre (156) de manière à se déplacer le long de cette partie (156t) lorsque l'arbre (156) tourne par rapport au cône (158).
Burge Philip Michael
Morrison Colin Neil
Oosterling Peter
E2 Tech Limited
Fetherstonhaugh & Co.
LandOfFree
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