Drawworks

Drawworks — Technical Specifications

Drawworks are the main hoisting system of a drilling rig, designed to raise, lower and suspend the drill string, casing and other downhole equipment.

Specification Typical Range / Options

Type Mechanical, AC or DC electric

Rated Power 500–3,000 HP

Input Power 375–2,240 kW

Maximum Hook Load 250,000–1,000,000+ lb

Drum Type Grooved / Lebus-type steel drum

Drum Diameter Approx. 24–48 in

Drilling Line Size Approx. 1"–1⅝"

Brake System Hydraulic, disc or band brake

Drive System AC, DC or diesel-mechanical

Transmission Multi-speed / variable-speed

Cooling System Air or oil-cooled, model dependent

Control Manual, hydraulic or electronic

Application Land drilling, offshore drilling & workover rigs

Mounting Skid-mounted / rig-mounted

Condition New, refurbished or used

Availability For Sale

Key Features

High-capacity hoisting and lowering system

Heavy-duty steel construction

Controlled drum rotation and line handling

Reliable braking and emergency stopping system

Suitable for demanding drilling operations

Can be supplied with motors, brakes, controls and accessories

Driscoil Equipment can supply drawworks according to required HP, hook-load capacity, drum configuration, line size and rig specification, with inspection and mobilization support available.