E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 7/06 (2006.01) E21B 10/50 (2006.01) E21B 10/60 (2006.01) E21B 12/04 (2006.01) E21B 23/00 (2006.01) E21B 23/01 (2006.01) E21B 23/02 (2006.01) E21B 29/06 (2006.01) E21B 49/06 (2006.01)
Patent
CA 2216518
A whipstock (1) comprises a concave (2) which comprises a tapered support member (3) which accommodates a plurality of spacers (7). The spacers (7) can be moved from an inoperative position to an operative position in which they project outwardly from the tapered support member (3) to support the tapered support member (3). The spacers (7) are shaped and disposed so that when they are moved to project outwardly from the support member (3) they project by different distances from the support member (3).
Un sifflet déviateur (1) comprend une partie concave (2) comportant un élément de support conique (3) contenant une pluralité d'éléments d'écartement (7). Ces éléments d'écartement (7) peuvent être déplacés depuis une position de repos vers une position active dans laquelle ils dépassent à l'extérieur de l'élément de support conique (3) afin de supporter ce dernier (3). Les éléments d'écartement (7) possèdent une forme et une disposition leur permettant de s'étendre sur différentes distances, lorsqu'on les déplace de manière à dépasser à l'extérieur de l'élément de support (3).
Marks & Clerk
Weatherford/lamb Inc.
LandOfFree
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