ULTERRA

Oil field well drilling machines and parts therefor, namely, drill bits

[ Directional measurement equipment for oil and gas well drilling operations for providing measurements and downhole telemetry while drilling ]

Maintenance and repair of drill bits and related equipment, namely, under-reamer arms and segments, hole openers and segments and roof picks, all for oil field well drilling companies

Custom manufacture of drill bits and related equipment, namely, under-reamer arms and segments, hole openers and segments and roof picks, all for oil field well drilling companies