E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 4/00 (2006.01) E21B 17/07 (2006.01) E21B 44/00 (2006.01)
Patent
CA 2122959
There is described a coiled tubing thruster comprising a tubular housing having a continuous bore formed therethrough, a piston assembly slidably received in the bore for longitudinal movement therein, an extensible shaft passing axially through the bore for connection to the piston assembly, the tubular housing, the piston assembly and the shaft all being adapted to permit the flow of pressurized fluid through the thruster; and rotation preventers between the housing and the shaft, wherein pressurized fluid acting on the piston assembly causes extension of the shaft relative to the housing in the direction of flow of the pressurized fluid.
Canadian Fracmaster Ltd.
Moffat & Co.
LandOfFree
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