Bruce Stauffer

Remotely controlled apparatus for downhole applications and methods of operation

Methods for designing and fabricating earth-boring rotary drill bits having predictable walk characteristics and drill bits configured to exhibit predicted walk characteristics

Method and apparatus for automated application of hardfacing material to rolling cutters of hybrid-type earth boring drill bits, hybrid drill bits comprising such hardfaced steel-toothed cutting elements, and methods of use thereof

Remotely-controlled downhole device and method for using same

Roller bearing seal companion ring having textured surface for holding lubricant and small particles

Rotatable cutting elements and related earth-boring tools and methods

HYBRID DRILL BIT AND METHOD OF USING TSP OR MOSAIC CUTTERS ON A HYBRID BIT

DOWNHOLE TOOLS HAVING FEATURES FOR REDUCING BALLING, AND METHODS OF FORMING SUCH TOOLS

METHODS OF FORMING AND REPAIRING DOWNHOLE TOOLS HAVING FEATURES FOR REDUCING BALLING

IMPREGNATED DRILL BIT WITH DIAMOND PINS