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  1. Drawworks - Wikipedia

    A drawworks is the primary hoisting machinery component of a rotary drilling rig. Its main function is to provide a means of raising and lowering the traveling block.

  2. Drilling Drawworks and Hoisting Systems - NOV

    With more than 100 years of experience, our line of premier drilling drawworks models ranges from a 700-hp drawworks for mobile land rigs to a 9,000-hp active-heave drawworks for floating rigs.

  3. Drawworks - SLB

    We provide AC gear-driven drawworks for onshore and offshore applications. Models are available in single-speed or three-speed designs with up to 6,000-hp ratings.

  4. What is a drawworks and its function – Rigmen

    Jan 23, 2025 · A modern drawworks consists of five main parts: the drum, the power source, the reduction gear, the brake, and the auxiliary brake. The apparatus can be powered by electricity (AC …

  5. Drawworks - an overview | ScienceDirect Topics

    Jan 1, 2012 · Drawworks is defined as a mechanism powered by electric or diesel engines that drives the rope through the hoisting crown block to lift and lower the drill string in the borehole, controlled by …

  6. Draw-works Selection Guide: Types, Features, Applications | GlobalSpec

    Draw-works, also called drawworks, are hoisting equipment used specifically in the earth drilling industry. The main function of a draw-works is to raise and lower drilling equipment up and down the …

  7. Drawworks - AC and DC Drive | Product Details | American Block

    American Block offers a complete line of AC Drive drawworks that range from 600 HP to 9000 HP. The drawworks are lightweight, compact and meet or exceed industry standard. The drawworks are …

  8. Drawworks - CNPC

    Drawworks is driven by AC variable-frequency motor to realize stepless speed regulation, thus have big power, wider range in speed regulation. The drawworks adopt hydraulic disc brake and regenerating …

  9. Drilling Drawworks - Sino Mechanical

    Drawworks are the hoisting mechanism on a drilling, well servicing, or workover rig. It is essentially a large Drawworks that spools off or takes in the hoisting line.

  10. Drawworks in Well Drilling: A Critical Component of the Rig

    The drawworks is essentially a large winch that consists of a spool or drum, brakes, and a powerful motor (or engine). It is used to wind or unwind the steel cable, known as the drilling line, which is …