... operation of solid mineral reserves for all kind of drill XD-5 hydraulic driven driller is specially designed for earths ... power unit, power unit feeding system and well head clamper. XD-5 hydraulic driven driller is controlled all by electro hydraulic ... type drill, efficiency and security of coring operation increase greatly. XD-5 SpecsSampling Task DepthDrill pipe standardDrilling depth(m)BQ (Φ55 ...