Drawworks in Drilling The drawworks is a large winch located on the drill floor of a rig. It is used to raise and lower the drill string and other equipment into and out of the wellbore. Main Components: 1. Drum – The rotating spool that holds the drilling line (wire rope). 2. Brake system – Controls the descent of heavy loads. 3. Transmission – Provides variable speed and torque. 4. Motors – Can be electric or diesel, supplying power to the drawworks. 5. Clutches and Gears – Engage or disengage