THE GEARHART COMPANIES, INC. Patent applications |
Patent application number | Title | Published |
20120031669 | Memory Logging Drill Bit With Connectable Pulser - The present invention discloses a novel drill bit system | 02-09-2012 |
20110266072 | Drill Bit With Tiered Cutters - The present invention relates to a drill bit having a bit body and a plurality of cutters, which are configured to disintegrate earthen formation as the bit body is rotated by a connected drill string. At least some of the cutters have a first and second body, first and second cutting faces and first and second cutting edges. The body is comprised of hard metal. The cutting elements are comprised of superhard material. The orientation of the first cutter body is reversible as to the other components to permit variation in the proximity of the first and second cutting elements. | 11-03-2011 |
20090301780 | COMPARTMENTALIZED MWD TOOL WITH ISOLATED PRESSURE COMPENSATOR - The present invention relates to a measurement-while-drilling (MWD) tool having a pressure compensation system and reservoir segregated from fluid integration with actuator mechanism lubricants. The MWD tool can also be serviced on the rig floor without the need to drain, reseal and charge the compensation system. | 12-10-2009 |