E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 33/13 (2006.01) E21B 4/06 (2006.01) E21B 4/18 (2006.01) E21B 7/00 (2006.01) E21B 7/20 (2006.01) E21B 7/26 (2006.01) E21B 21/06 (2006.01) E21B 21/12 (2006.01) E21B 27/02 (2006.01) E21B 33/14 (2006.01)
Patent
CA 2411241
A system is provided for creating at least one conduit in a borehole formed in an earth formation. The system comprises a device which includes movement means for moving the device in longitudinal direction through the borehole, and injection means for injecting a hardenable substance into the borehole so as to form, for each said conduit, a layer of hardened substance in the borehole behind the device, said layer defining the conduit. The system further comprises control means for controlling the rate of injection of said substance by the injection means so as to correspond with the rate of movement of the device through the borehole by the movement means.
L'invention porte sur un système de création d'au moins un conduit dans le forage d'une formation. Ce système comprend un dispositif qui comporte un organe de déplacement qui déplace le dispositif dans un sens longitudinal dans le forage, et un organe d'injection qui injecte une substance durcissable dans le forage de façon à former, pour chaque conduit, une couche de substance durcie, dans le forage, derrière le dispositif, cette couche formant le conduit. Le système comprend également un organe de commande qui commande la vitesse d'injection de la substance de façon à ce qu'elle corresponde à la vitesse de déplacement du dispositif dans le forage.
Coenen Josef Guillaume Christoffel
Maekiaho Leo Bernhard
Shell Canada Limited
Smart & Biggar
LandOfFree
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