What is the down-the-hole hammer water well drilling rigs ?
August 23 , 2021
Pneumatic water well drilling rigs (hereinafter referred to as gas drills) are also called down-the-hole hammer water well drilling rigs. It uses compressed air as a well-washing medium and as energy for breaking rocks. It is also a percussive rotary drilling method, and its characteristics are similar to the hydraulic percussion drilling technology. The main advantage is that it can effectively improve the drilling efficiency of the pebble layer and hard rock, the drill bit has a long life, and can reduce the hole inclination; its drilling procedures are characterized by low weight on bit, small torque, low rotation speed, and large flushing medium flow.
Learn More >
