For water well, geothermal and RC exploration

Drill cased holes quickly and easily with our Dual Rotary Drilling technology! When compared to conventional drilling methods, Dual Rotary Drilling is by far the fastest and most effective technique of drilling unconsolidated formations (sand, gravel, cobbles, and boulders). The versatility of the Derex Dual Rotary Drilling rigs will allow you to drill more holes and expand the capabilities of your drilling operations.

Water well drilling rigs

Browse our fleet of Water Well Drilling Rigs.
The Fleet

Geothermal drilling rigs

Browse our fleet of geothermal Drilling rigs
The Fleet

RC Exploration drilling rigs

Browse our fleet of RC exploration Drilling Rigs.
The Fleet


Derex 1340-12X DR

As experienced drillers, we understand that dealing with tough terrain is part of the job. Which is why we developed the 1340 DR drill on the Acela Monterra 4X4. Not only will this new drilling rig help you achieve your production goals, but it also opens up areas previously unreachable.

Derex 1340-12 DR

This fuel-efficient dual rotary drilling rig was built for the toughest jobs, the Derex 1340 and Peterbilt 536 is the perfect combination of power and dependability, while still being capable of being driven without a CDL.

Derex 1340-14X DR

The Derex 1340-14X DR is the ultimate 6×6 dual rotary drilling rig designed to conquer any terrain and deliver exceptional performance. Whether you’re facing rugged landscapes, remote locations, or challenging environments, the Derex 1340-14X DR is your steadfast partner for your water well, geothermal and RC exploration projects.

Derex 1340-14 DR

Conquer tough ground conditions in record time on your next water well, geothermal, or RC exploration project with the innovative Derex 1340-14 Dual Rotary drilling rig. Enjoy the legendary performance and reliability of the 1340 drill mounted on the impressive Peterbilt 567, making this drilling rig a true work horse for the serious driller.

Derex 1340-16 DR

Finish your water well, geothermal and RC exploration projects quickly and efficiently with the Derex 1340-16 DR. Derex Dual Rotary Drilling Rigs have been proven repeatedly in some of the toughest unconsolidated overburden formations, including sand, gravel, glacial till, and boulders. Mounted on the Peterbilt 520, the Derex 1340-16 will reliably get you to your next job site in style and comfort.


My dad, Dan started in the oilfield in the 1960’s and went into welding and fabricating, during the 1981 recession he got a job Drilling water wells. In 1986, my uncle and my dad started their own drilling company with a tired old drill that needed to be fixed daily.


Off road drilling with the Derex 1340-12X DR
Derek McGladdery

Off Road Drilling

Go off road drilling with the new Derex 1340-12X DR! We believe in being the tip of the spear of innovation, and wanted to develop a drilling rig that would be a game changer for all of you water well, geothermal and RC exploration drillers

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Boreholes successfully completed

Our customers are thrilled!

This drill is so fast and efficient, I have been able to drill 50% more wells this year.
- Mike Steffen