What is TDS 11SA?

The TDS-11SA sets the standard for dependability, performance and quality. Delivering 500 tons of hoisting capacity, 800 horsepower and 37,100 ft-lbs of continuous drilling torque, the effectiveness and established reputation of the top drive is unmatched within the industry.

What is Drawworks drilling?

The drawworks is a part of the system that rotary drilling rigs use for hoisting, or lifting, the drill stem and casing out of the hole. A compounding transmission, or compound, sends power from the engines to the drawworks, the rotary table, and the mud pumps.

How much weight can a top drive typically hoist?

Hoisting capacity of this system is a full, 500 tons, using standard links and a drill pipe elevator or casing tools.

Who invented the top drive?

Varco VARCO began with one man and a vision of drilling down from the top of the drill string. Duke Zinkgraf partnered with Varco and began the initial designs of the top drive.

What is top drive system?

A top drive is a mechanical device on a drilling rig that provides clockwise torque to the drill string to drill a borehole. It is an alternative to the rotary table and kelly drive. It is located at the swivel’s place below the traveling block and moves vertically up and down the derrick.

What is Cathead in drilling?

1. n. [Drilling] A clutched spool connected to the drawworks power system used to tension chains, cables, and softline rope.

How many clutches work in draw?

Popular drawworks clutch sizes are 214, 116, 216, 118, and 218.

What is the main advantage of using the top drive system instead of using the rotary table kelly system?

Top drive drilling has led to overall improved efficiency in drilling operation. It has led to reduction in drilling downtime caused by picking up and racking back the swivel and Kelly when tripping in or out of hole, drilling of mouse and rat hole, drilling using singles in the case of rotary table.

What is Kelly in drilling?

Kelly drilling belongs to the most common dry rotary drilling methods and is used for the production of bored piles with a large diameter (from a size of approx. 500 mm). The process is suitable for nearly all types of soil and rock.

What is top drive rig?

What is the difference between rotary table and top drive?

A rotary table is a mechanical device on a drilling rig that provides clockwise (as viewed from above) rotational force to the drill string to facilitate the process of drilling a bore while the top drive is a motor that is suspended from the derrick, or mast of the rig to facilitate the rotation of the drill string.

How do you win top drives?

Top Drives Guide: Beginner’s Hints and Tips

  1. Remember to Upgrade. All cars can be upgraded.
  2. Replay Each Location to Reap More Rewards. As you will notice, each location has a maximum of three stars for you to collect.
  3. Buy Card Packs. As you progress, you will earn both gold and dollars.