Combination workover and drilling rig

Details Combination workover and drilling rig Combination workover and drilling rig

E - Fixed Constructions

21

B

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

Patent

CA 2538625

The combination workover and drilling rig of the present invention combines a capability to drill a well, as well as perform well maintenance and service, using either or both tubing with threaded tubular connections or coiled tubing. A mast and a coiled tubing injector are independently mounted to a support platform and can be operated independently of each other. The coiled tubing injector is selectably elevatable into a stowed position, a ready position, or an operating position.

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