Heisey Machine

Adapted from Information by Heisey Machine Co., Inc.

There is one thing every drilling company can’t stand – downtime. Every minute the drill site is down costs the company money. To prevent downtime, many drill operators in the geothermal industry use float subs. How can float subs help prevent downtime? Float subs can all but eliminate cross-threading of drill rods. It can also protect the tophead of the rig from damage and reduce vibration by 90%, saving your bearings from wear and tear. The uses for float subs are as varied as drill operators themselves, being used not only for geothermal drilling, but for water, gas and oil, utility, and quarry drilling as well.

Heisey Machine offers a wide selection of float sub models, including:

Standard Duty

– This type of float sub is most commonly used in water well and geothermal applications with 70,000-80,000 pounds of holdback and up to 45,000 foot-pounds of torque at 200 hp.

Deep Hole

– This sub is popular with deep hole drilling with increased holdback applications of up to 110,000-120,000 pounds of holdback, with 45,000 foot-pounds of torque at 200 hp. This unit has longer wear characteristics than the standard duty option.

Heavy Duty Blue Max

– These float subs are common in gas and oil drilling operations with 140,000-150,000 pounds of holdback, up to 70,000 foot-pounds of torque at 300 hp.

If you already have a Heisey Machine Float Sub and it’s showing wear, you can send it in for a quality inspection and rebuild; the company will provide you with a quote for any new parts or upgrades available. The company’s state-of-the-art machine shop allows them to provide personal, customized float subs for a perfect fit, no matter where in the world you are drilling. Whether you need a float sub to be set up pin-to-pin, box-to-box, pin-to-box, or flange-to-pin, you can count on Heisey Machine to provide you with the best custom-made
products available.

With over 40 years of experience manufacturing drilling tools, the company can take care of your drilling needs offering lifting devices, recovery tools, casing tools, centralizers, and much more.