Motion compensator for drilling from a floater

Details Motion compensator for drilling from a floater Motion compensator for drilling from a floater

E - Fixed Constructions

21

B

E21B 7/00 (2006.01) E21B 4/18 (2006.01) E21B 19/09 (2006.01) E21B 44/00 (2006.01)

Patent

CA 2320558

A motion compensator for drilling from a floater provides isolation of a cutting device in a well from motion of a tubular string thereabove. In a described embodiment, a motion compensator includes an anchoring device and an axial advancement device. The motion compensator is positioned in the tubular string above the cutting device. The anchoring device anchors the motion compensator in the well, while the advancement device axially advances the cutting device.

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