Linear coiled tubing injector

Details Linear coiled tubing injector Linear coiled tubing injector

E - Fixed Constructions

21

B

E21B 19/22 (2006.01) E21B 15/00 (2006.01)

Patent

CA 2298089

An injector is provided for injecting and withdrawing large diameter coiled tubing comprising a linear section of gripping blocks driven on an endless chain conveyor. The coiled tubing is forced into frictional engagement with the blocks by a corresponding linear array of rollers. The injector is not restricted in length and thus provides a linear driving section of configurable length for providing superior injection and pulling capacities. In combination with the strong draw works, derrick and rotary table of a conventional rig enable making up both sectional tubing for assembling BHA's, drilling surface hole and making up to non-rotating coiled tubing from the injector.

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