Telescoping rig with torque carrier

Details Telescoping rig with torque carrier Telescoping rig with torque carrier

E - Fixed Constructions

21

B

E21B 7/02 (2006.01) E21B 15/00 (2006.01)

Patent

CA 2413825

A telescoping rig with an upper mast telescopingly received within a lower mast. A torque carrier is formed of an upper part suspended within the upper mast and a lower part attached to the lower mast. The lower part may be secured to the upper part when the rig is in operational position, and is movable to allow the upper mast to move into a telescoped position within the lower mast. The rig is readied for transport by disconnecting upper and lower parts of a torque carrier, moving the lower torque carrier laterally within the lower mast to allow the upper mast to telescope within the lower mast; and telescoping the upper mast within the lower mast.

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