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TDS-9 Top Drive
TDS-9 Top Drive
Portable Electric Top Drives

National Oilwell acknowledges the accelerating demand for increased productivity in land drilling operations and has responded to this growing market with the development of the innovative TDS-9 Top Drive Drilling System. 

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National Oilwell acknowledges the accelerating demand for increased productivity in land drilling operations and has responded to this growing market with the development of the innovative TDS-9 Top Drive Drilling System.

National Oilwell Varco engineering has made use of the recent advancements in AC technology by designing the TDS-9 to be powered by two 350 hp AC drilling motors. This 700-hp system produces 32,500 ft lb of drilling torque and 47,000 ft lb of make-up/break-out torque. The TDS-9 is compact enough to be safely operated in a standard 136 ft. mast while providing 400 tons of hoisting capacity. Its highly portable design allows for rig-up and rig-down in just a few hours. It easily integrates into existing rigs at minimal installation cost and minimal rig modification.