ECLIPSE
Oil field drilling equipment and component subsystems and parts therefor, namely, drill bits, fixed cutter drill bits, and cutting elements used on drill bits including polycrystalline diamond cutting (PDC) elements and carbide cutting elements; oil field tools, namely, tools and component subsystems and component parts therefor that aid in the cutting of earthen formations including full hole bits, oil field bi-center bits, coring bits, roller cone bits, under-reamers, hole-openers, PDC cutt...
Abandoned · August 17, 2005 · 78694224 ·