E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 4/02 (2006.01) E21B 17/18 (2006.01) E21B 21/10 (2006.01) E21B 31/00 (2006.01)
Patent
CA 2658162
A fluid actuated downhole tool for inducing movement of a downhole apparatus is described. The tool comprises a body for coupling to downhole apparatus, the body being adapted to accommodate flow of fluid therethrough and including a flow-modifying arrangement for modifying the flow of fluid through the body. The flow-modifying arrangement is configurable in an inactive configuration and in an active configuration. The fluid activated tool is selectively operated from the surface by varying an operating condition which causes the flow through the tool to either bypass or flow through the flow-modifying arrangement to induce movement of the downhole apparatus.
L'invention porte sur un outil de fond de puits mu par un fluide et mettant en mouvement un appareil situé en fond de puits. L'outil comporte un corps se fixant à l'appareil, traversé par le fluide et muni d'un dispositif en faisant varier le débit. Ce dispositif peut être actif ou passif. En mode actif, commandé depuis la surface, il amène le fluide en faisant varier les conditions de fonctionnement soit à le contourner soit à le traverser, ce qui met l'appareil de fond de puits en mouvement.
Coull David Anderson
Eddison Alan Martyn
Andergauge Limited
Lambert Anthony R.
LandOfFree
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