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  • The Company's machinery and equipment include drawworks, mud pumps and power swivels, which are the major mechanical components of rigs used todrill oil and gas wells.

    National Oilwell Hits New Highs -- Seeking Alpha

  • Alta designs and manufactures standard and custom-gear driven drawworks, which have a smaller footprint and offer more torque and efficiency than standard chain-driven drawworks, the company said. Chronicle

  • Under the partnership, Omron O&M will deliver automated control systems for Alta's electric drawworks product line. Chronicle

  • Now, when the drawworks are ran down does the load on gen increase or decrease?


  • CR4 allows you to "subscribe" to a discussion hi all in oil drilling rig there is '' clink '' kinetic energy monitoring system '' kems ''. its purpose to control and watch the movement of the traveling block on the rig floor. it controls the braking of the drawworks with closed loop control as per the manual. the plc send varaible dc voltage to the brake solenoid 0-24vdc, depending on the movement of the driller joystick. my question is: is there pressure sensor to send signal back to the plc to tell that the brake calliper pressure is ok or it needs more braking?


  • 4 AC Range III singles with a depth rating of 3,000 metres and 1,100 hp drawworks;

    Marketwire - Breaking News Releases

  • 1 AC Range III single with a depth rating of 2,000 metres and 600 hp drawworks; and

    Marketwire - Breaking News Releases

  • 2 AC triples with a depth rating of 4,500 metres and 1,200 hp drawworks;

    Marketwire - Breaking News Releases

  • RIG) Sovereign Explorer sports National Oilwell drawworks, National Oilwell mud pumps, a Varco top drive, and a National rotary table. The Motley Fool


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  • A machine on an oilrig that reels the drilling line in and out.

    December 29, 2007