E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 19/22 (2006.01) B65H 75/34 (2006.01) B65H 75/44 (2006.01)
Patent
CA 2411620
A spool for carrying continuous pipe or coiled tubing for a coiled tubing injector is dropped into a stand at a site and coupled to a rotary power source. The stand includes two axles, on either side of the spool, and a drive coupling. A pipe slideably extends through one of the axles. It is retracted when the spool is lowered onto the stand and then extended for communicating fluid between the coiled tubing and a fluid source. A swivel joint is connected to one end of the pipe. The pipe is permitted to turn with the spool or is held stationary with respect to the stand depending on whether the swivel joint is mounted outside the stand or inside the spool.
Cain Troy D.
Steffenhagen Timothy Scott
Kirby Eades Gale Baker
Varco I/p Inc.
LandOfFree
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