3 1/2" BECO Thread 127MM DTH Drilling Pipes For Atlas Cop Drill Rig Beco Thread Saver Sub ,beco Thread Drill Pipe Adapter , Beco Thread Crossover Sub ATLAS PV235、CDM75、CDM30、DM45、PV275、PV351、ECM695/760/780 ...Read More

Casing Oscillator Hydraulic Casing Oscillators Are Used To Drive And To Extract Large Steel Casings With Diameters Ranging From 800 To 2500 Mm Up To Depths Of 70 M. The Required Hydraulic Power Is Supplied Either By The Excavating Machine (hydraulic ...Read More