Drilling Rig,Anchor Drill Rig,Crawler Drilling Rig,China ...
Anchor Drilling Rig YGS-120While drilling a hole in 30-50m thick fractured zone and other troublesome zones, the drilling rig can achieve rotary percussion drilling by connecting the rear power head with the inner drilling tool and DTH hammer. Meanwhile, the front power head rotates the casing pipe for protecting the hole wall...
Get Price