E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 23/14 (2006.01)
Patent
CA 2486653
A pipe installation system, the pipe string being composed of pipe sections which are added and removed to increase and decrease the length of the drillpipe, and a length of cable is disposed within the drillpipe string and attached thereto by anchoring means. The anchoring means are deployable with the cable means and may be provided by a magnetic attraction or suction or the like between the anchoring means and he wall of the pipe, and means of removal of the cable and the anchoring means.
L'invention concerne un système d'installation de tiges, le train de tiges étant composé de sections de tige ajoutées et retirées de manière à augmenter et à réduire la longueur de la tige de forage. Une longueur de câble est également disposée à l'intérieur du train de tiges de forage et fixée à l'aide de moyens d'ancrage. Ces moyens d'ancrage peuvent s'utiliser sur le câble et une attraction magnétique ou aspiration ou analogue peut être exercée entre ces moyens d'ancrage et la paroi de la tige ainsi que des moyens de retrait du câble et les moyens d'ancrage.
Gowling Lafleur Henderson Llp
Head Philip
LandOfFree
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