A drill bit having large diameter pdc cutters
A drill bit with a hybrid cutter profile
A drill pipe
A drill pipe and method of forming and reconditioning a...
A drill pipe handling and moving system
A drill rod changer assembly
A drill-string connector
A drilling apparatus having in-line extending wings and...
A drilling equipment and a method for regulating its...
A drilling hole system
A drilling machine having rotary tools
A drilling method and bit assembly to realize the method
A drilling method for maintaining productivity while...
A drilling rig and a method for moving a drilling rig
A drilling rig and drawworks therefor
A drilling tool, a self-drilling rock bolt, a drill bit, an...
A drillpipe assembly and a method of deploying a logging tool
A drillpipe sub
A drive for a cutting or grinding machine
A drive sub for receipt of bit segments