DTH Casing Drilling System

Sinodrills DTH Casing Drilling System

DTH casing drilling: eccentric casing drilling systems, symmetric casing drilling systems;

Applicable DTH hammers: DHD3.5, DHD340, DHD350, DHD360, DHD380, 
                                         COP34,COP44,COP54,COP64,COP84, 
                                         SD4, SD5, SD6, SD8, 
                                        QL40,QL50,QL60,QL80, 
                                        Mission 40, Mission 50, Mission60, Mission 80, 
                                        BR2, BR3, Mach33, etc