NOV TDS-8SA TOP DRIVE – SPECIFICATION LIST

Configuration: TDS-8SA Top Drive + PH100 Pipe Handler + Direct Termination Box + Electrical/Hydraulic Service Loops
Rated Hookload: 750 tons

1. PERFORMANCE SPECIFICATIONS

• Continuous Drilling Torque: ~62,000 ft-lb

• Intermittent / Makeup Torque: ~95,000 ft-lb

• Maximum Rotary Speed: ~270 RPM

• Gear Ratio: ~8.5:1

• Washpipe Bore (Watercourse): ~3.82 in

• Washpipe Pressure Rating: 5,000 or 7,500 psi (varies by configuration)

• Top Drive Motor Power: Approx. 1,150 HP AC motor

• IBOP Rating: 15,000 psi (Upper IBOP remote-operated, lower manual)

2. PH100 PIPE HANDLER (INCLUDED)

• Pipe Size Range: 3-1/2 in to 6-5/8 in drill pipe

• Connection OD Range: ~4 in to 8-1/2 in tool joint

• Features:

  • Hydraulic link tilt

  • Torque backup clamp

  • Integrated control with top drive

  • Designed to support full rotating load and connection handling

3. STRUCTURAL / PHYSICAL SPECIFICATIONS

• Hookload Capacity: 750 ton

• Overall Height: ~24 ft (varies slightly by dolly configuration)

• Approximate Weight (Top Drive Only): ~38,000 lb

• Mounting:

  • Fits NOV guide rail and dolly assemblies

  • Standard helical gear drive head

  • Large-bore spindle for high-flow drilling

4. ELECTRICAL / CONTROL SYSTEM

• Drive Type: AC induction motor with VFD control

• Motor Voltage: Typically 600–690 VAC (varies with rig package)

• Motor Cooling: Explosion-proof blower motor (~20 HP)

• Lube Oil Pump: ~4 HP motor

• Control Integration:

  • Integrated PLC

  • IBOP controls

  • PH100 handler controls

  • Speed, torque, and load monitoring

5. DIRECT TERMINATION BOX (INCLUDED)

General characteristics normally included with NOV TDS-8SA direct termination packages:

• Heavy-duty electrical termination enclosure mounted near the swivel area

• Direct cable entry for service loops

• Flame-proof or explosion-proof construction (depends on zone classification)

• Internal terminal blocks for:

  • Motor leads

  • IBOP control

  • Encoder/feedback wiring

  • PH100 handler functions

• Simplified cable routing to reduce failure points

6. SERVICE LOOPS (INCLUDED)

Standard NOV TDS-8SA service loops include:

• Electrical Cable Loops:

  • Multi-conductor drilling motor cables

  • Control/feedback cables

  • Armored or ruggedized loop design

• Hydraulic Hoses:

  • PH100 pipe handler hydraulics

  • IBOP control hydraulics

• Loop Length: Typically measured to match mast height and travel distance

• Loop Protection:

  • Stainless or galvanized support chains

  • Strain-relief clamps

  • Minimum-bend-radius design

7. SAFETY & AUXILIARY SYSTEMS

• Upper and lower IBOPs

• Integrated safety interlocks

• Emergency shut-down circuits

• Automatic lubrication system

• Cooling system for top drive motor

• Optional: Standpipe manifold interface, saver sub threading, torque monitoring

8. DOCUMENTATION TYPICALLY PROVIDED WITH THIS PACKAGE

• TDS-8SA technical specifications

• PH100 pipe handler manual

• Electrical drawings for direct termination box

• Service loop routing drawings

• IBOP assembly/maintenance instructions