IDR Rp10.305.739.022
Machine Location:4111 Marathon BlvdAustin, Texas, AS 78756(Opens in a new tab)
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97698212
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Refurbished NOV Varco TDS4H Top Drive
Location: USA
Type: Refurbished
Condition: Excellent
Model: TDS4H
Refurbished NOV Varco TDS4H Top Drive For Sale
A top drive is a mechanical device on a drilling rig that provides clockwise torque to the drill string to drill a borehole. It is an alternative to the rotary table and kelly drive. It is located at the swivel's place below the traveling block and moves vertically up and down the derrick. The top drive allows the drilling rig to drill the longer section of a stand of drill pipe in one operation.