Most of geothermal loops drilling in Europe is made with Double Rotary head method, (mostly with air circulation), this let you drive down the casing together with the drill pipe up to the depth you want.
This is the most used method because you can protect your hole and keep it open and safe up to the end of the job.
After you lower down the loops you can grout it and recover back the casings, in this way you have a state of the art job done in full safety that became the standard for air drilling method.
Of course you need a lot of power that's why the FRASTE XL 170 DR - PLUS - is the perfect machine for you!
14 ton net pull up force, very strong torque double rotary head, cuttings diverter and 20 ton lifting cylinders in case of stuck casing.
Very powerful machine with extreme compact design - 14 tons total weight.
Geothermal loops, combined with heat pumps, are today the best system for homes and commercial buildings climatization, with the lowest energy consumption and the lowest carbon foot print.
There is a big demand for Geothermal drilling sector; do not hesitate call us for any info about it fraste@fraste.com
