E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 33/12 (2006.01)
Patent
CA 2716030
A device is described for removal of a plug which is used in a well, a pipe, or the like for carrying out tests, and it is characterised by an element which, with an applied forced, is arranged to penetrate into the plug material so that this is crushed, said element is arranged to be supplied said force from an above lying element. The element (16) is preferably a ring (1) the lower end of which is arranged to be forced in a radial direction into the plug element at axial driving of a hydraulic pressure piston. Furthermore, the element is integrated into the plug.
L'invention concerne un dispositif pour retrait de bouchon utilisé dans un puits, un tuyau ou analogue en vue d'effectuer des tests. Ledit dispositif est caractérisé par un élément qui, sous l'application d'une force, est agencé pour pénétrer dans le bouchon de sorte que ce dernier est broyé. Ledit élément est agencé pour qu'on lui applique une force provenant d'un corps situé au-dessus. L'élément (16) est de préférence un élément annulaire (1) dont l'extrémité inférieure est agencée pour être forcée selon une direction radiale dans le bouchon par le mouvement axial d'un piston hydraulique, et cet élément est intégré au bouchon
Osler Hoskin & Harcourt Llp
Tco As
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