BHL BRAND NEW AMERICAN BLOCK 1500AC DRAWWORKS

  • bhl-brand-new-american-block-1500ac-drawworks

    BHL BRAND NEW AMERICAN BLOCK 1500AC DRAWWORKS

    One (1) A.C. Gear Drive Drawworks (based on 2nd layer)
    • Maximum Hoisting Capacity (10 Lines) 758,000 LBS
    • Maximum Hoisting Capacity (8 lines) 632,000 lbs.
    • Maximum Hoisting Capacity (6 Lines) 495,000 lbs
    • Max Single Line Pull 93,727
    • Drum Diameter 28.875″
    • Drum Length 60″
    Gear Box & Lubrication
    • Single Speed Gear Box:
    o Steel Fabrication, Normalized before machining.
    o Gear Quality: AGMA Rating of 11Q or higher
    o An immersion heater is provided to maintain the oil temperature at a minimum of 100 °F
    • Lubrication System:
    o Electrically driven Hydraulic pump -5 HP motor, 460V (575V option)
    o Filtration System with visual clog indicator -5um
    o Immersion heater -460V (575V option)
    Breaking (Parking Fail Safe Calipers and Air Cooled Discs)
    • Eaton, springs set brake, pneumatic release Eaton 338 DDBS
    • Operating Pressure: 90-120 PSI
    • Guards provided around the brake to limit contamination of discs.
    Pneumatic Control Panel for Air Brake
    • Pilot controlled relay valve used to regulate operating pressure required to release brakes.
    • Quick Exhaust valve utilized to ensure quick & fail-safe engagement of brakes.
    • 15 gal air receiver tank provided along with necessary plumbing and valves.
    • Provision to release the brake manually in case of power loss.
    Drilling Motor (Alc) (1 per Drawworks) GEB-28 or equivalent
    • Continuous Rating: 1500 HP (8,750 FT-LB)
    • Drawworks Rating: 1828 HP (12,000 FT-LB)
    • Blower: 20 HP, 480 VAC, 60 Hz, 40°C

    Dynamic Breaking with A.C. Motors
    • Achieved with dynamic breaking resistors powered through AC Drive System (Drive system and resistors not quoted)