... case,main drive,grarbos,dual-winch.slurry pump,rotary table drilling tower and steel wire feeding system are all mouted on the ... water separator dual-wall drill pipe and other realted drvices,the drilling equipment is also hammer and 850/2A mud pump the truck ... clay,sand,strong-weathered rock,base rock,basaltic rock and more. Technical parameters Drilling depth (M) 400 80Drilling diameter (mm) 500 ...