Our Derrick Drilling Machines (DDM) offer a wide and high operational performance for both conventional and RamRig™ drilling installations. AC is the most common motor type, additionally DC and hydraulic variants are available.
Our DDMs are designed based on more than 30 years of experience in accordance with recognized standards. It features a continuous main shaft from the power swivel through the gearbox and pipe handler. The weight of drill string is supported directly in main shaft pin or transferred from the link hanger to the main shaft by means of a load
hang-off nut