E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 17/10 (2006.01)
Patent
CA 2525125
A limit clamp (4) for securing a tool (1) to a casing (2) having a groove (10) in its outer surface. The limit clamp comprises a block (20) having a base (23) and a flange (22). The base is positioned in the groove to contact at least one stop (11, 12) in the groove and the flange extends out of the groove. The limit clamp also comprise a lock ring (30) encircling the block and the casing, wherein the lock ring engages the block.
Cette invention concerne un collier d'arrêt (4) servant à fixer un outil (1) à un tubage (2) comportant une rainure (10) sur sa surface externe. Ce collier d'arrêt comprend un bloc (20) constitué d'une base (23) et d'un rebord (22). La base est positionnée dans la rainure de manière qu'elle touche au moins une butée (11, 12) située dans la rainure tandis que le rebord s'étend hors de la rainure. Ce collier d'arrêt peut également comprendre un anneau de serrage (30) qui encercle le bloc et le tubage, lequel anneau de serrage engage le bloc.
Rogers Henry E.
Webb Earl D.
Halliburton Energy Services Inc.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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