Tubular-drill bit connect/disconnect apparatus

Tools – Wrench – screwdriver – or driver therefor – Machine

Reexamination Certificate

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Details

C081S057150, C081S057190, C081S057340

Reexamination Certificate

active

07313986

ABSTRACT:
An apparatus for rotating a tubular with respect to a drill bit, e.g., for making or breaking a connection between a tubular and a drill bit, the apparatus, in at least certain aspects including a frame, gripper apparatus connected to the frame for gripping and rotating a primary tubular, and a torquing frame with plate apparatus for holding the drill bit.

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