E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 23/06 (2006.01) E21B 10/66 (2006.01)
Patent
CA 2151273
A tool for transporting cutting means to and from a ground drill to enable in situ replacement of said cutting means, where said cutting means is composed of a plurality of segments and said ground drill is provided with seating means for seating said cutting means in a cutting portion, said tool comprising carrier means onto which said segments can be loaded for carrying said segments to and from said ground drill, and wherein said tool is operable to cause said segments to slide relative to said tool when said tool passes a predetermined position within said ground drill, whereby one end of said segments can extend laterally of said tool to engage said seating means and be retained in said cutting position.
La présente invention a pour objet un outil servant à l'acheminement et au retrait des outils de coupe utilisés dans une installation de forage pour permettre le remplacement sur place des outils de coupe en question, les outils de coupe en question comportant une pluralité de segments, et l'installation de forage en question comportant un dispositif de fixation pour la mise en oeuvre des outils de coupe en question, l'outil en question comportant un dispositif sur lequel les segments sont chargés aux fins d'acheminement ou de retrait de l'installation de forage, et dans lequel les segments peuvent coulisser par rapport à l'outil en question au moment où celui-ci franchit une position prédéterminée à l'intérieur de l'installation de forage, ce mouvement de coulissement permettant le déploiement latéral de l'un des segments par rapport à l'outil en question ainsi que sa prise en charge par le dispositif de fixation en question aux fins de mise en oeuvre.
Egan Matthew Vance
Mcleod Gavin Thomas
Down Hole Technologies Pty. Ltd.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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