Double head system
The GEO 901 GT version was designed to meet the needs of customers working in the field of geothermal engineering who wish to utilize a double head drilling system. This rig is particularly suitable for the installation of geothermal borehole heat exchangers in loose rocky terrains and soft soils such as clays and sands. The GEO 901 GT incorporates a double head kit which allows for the continuous movement and the counter-rotation of the two strings (rods and casings), providing a torque output on the lower rotary head up to 4800 daNm. The GEO 901 GT can be equipped with a wide choice of water and mud pumps, used for flushing spoils, and with rod and casing handling systems that facilitate the loading / unloading operations on site, minimizing processing times.
| Engine Power | 188 - 209 kW (255 - 285 HP) | |
| Max Width | 2.400 mm | 7' 10'' |
| Weight | 19 - 22 ton | |
| Mast Feed | 4.000 mm | 13' 1'' ft-in |
| Feed Force | 12.000 daN | 26,977 lbs |
| Retract Force | 20.000 - 30.000 daN | 44,962 - 67,443 lbs |
| Rotary Torque | 1.450 - 5.000 daNm | 10,695 - 36,878 lb*ft |
| Rotary Speed Range | 120 - 200 rpm | |
| Clamp Range | 45 - 530 mm | 1'' 3/4 - 20'' 7/8 in |