Manufacturer: NOV (National Oilwell Varco)
Model: TDS-11
Equipment Type: Electric top drive system
Service: Drilling operations
Duty: Continuous drilling service
Control House: Siemens (SCR / VFD house)
Rated Continuous Torque: ~40,000 ft-lb
Maximum Torque: ~46,000 ft-lb
Maximum Speed: ~180 RPM
Hook Load Rating: 500 tons (1,000,000 lb)
Maximum Makeup / Breakout Torque: ~50,000 ft-lb
Motor Type: AC electric drilling motor
Motor Power: ~1,150 HP (860 kW)
Power Supply: 600 VAC (typical)
Control System: Siemens VFD / SCR house
Cooling: Forced air cooling
Gearbox Type: Planetary reduction gearbox
Main Shaft: Hollow bore, high-strength alloy steel
Tilt Angle: ±10° (typical)
Pipe Handling: Compatible with IBOP systems