Patent | Date |
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Method and system for monitoring of drilling parameters Grant 11,086,492 - Ramchune , et al. August 10, 2 | 2021-08-10 |
Method And System For Monitoring Of Drilling Parameters App 20200257420 - A1 | 2020-08-13 |
Specialized bit for challenging drilling environments Grant 9,644,429 - Mensa-Wilmot May 9, 2 | 2017-05-09 |
Reamer with improved performance characteristics in hard and abrasive formations Grant 9,187,958 - Mensa-Wilmot November 17, 2 | 2015-11-17 |
Specialized Bit For Challenging Drilling Environments App 20150275584 - Mensa-Wilmot; Graham | 2015-10-01 |
Reamer with improved performance characteristics in hard and abrasive formations Grant 9,074,434 - Mensa-Wilmot July 7, 2 | 2015-07-07 |
Reamer With Improved Performance Characteristics In Hard And Abrasive Formations App 20140048336 - MENSA-WILMOT; Graham | 2014-02-20 |
Reamer With Improved Performance Characteristics In Hard And Abrasive Formations App 20140048335 - MENSA-WILMOT; Graham | 2014-02-20 |
Impact resistant PDC drill bit Grant 8,448,725 - Mensa-Wilmot May 28, 2 | 2013-05-28 |
Drill bit supporting multiple cutting elements with multiple cutter geometries and method of assembly Grant 8,109,346 - Mensa-Wilmot February 7, 2 | 2012-02-07 |
Drill Bit With Multiple Cutter Geometries App 20100139988 - Mensa-Wilmot; Graham | 2010-06-10 |
Drill bit with multiple cutter geometries Grant 7,677,333 - Mensa-Wilmot March 16, 2 | 2010-03-16 |
Dynamically balanced cutting tool system Grant 7,464,013 - Huang , et al. December 9, 2 | 2008-12-09 |
Drill bit with application specific side cutting efficiencies App 20070272446 - Mensa-Wilmot; Graham | 2007-11-29 |
Drill Bit With Staged Durability, Stability And Rop Characteristics App 20070267227 - Mensa-Wilmot; Graham | 2007-11-22 |
Drill bit with multiple cutter geometries App 20070240905 - Mensa-Wilmot; Graham | 2007-10-18 |
Steerable Fixed Cutter Drill Bit App 20070205024 - Mensa-Wilmot; Graham | 2007-09-06 |
Method for making a polycrystalline diamond insert drill bit body Grant 7,159,487 - Mensa-Wilmot , et al. January 9, 2 | 2007-01-09 |
Impact resistant PDC drill bit App 20060124358 - Mensa-Wilmot; Graham | 2006-06-15 |
Dynamically balanced cutting tool system App 20050273302 - Huang, Sujian ;   et al. | 2005-12-08 |
Structure for polycrystalline diamond insert drill bit body Grant 6,823,952 - Mensa-Wilmot , et al. November 30, 2 | 2004-11-30 |
Drill bit having large diameter PDC cutters Grant 6,808,031 - Mensa-Wilmot , et al. October 26, 2 | 2004-10-26 |
Structure for polycrystalline diamond insert drill bit body and method for making App 20040118616 - Mensa-Wilmot, Graham ;   et al. | 2004-06-24 |
Multi profile performance enhancing centric bit and method of bit design Grant 6,729,420 - Mensa-Wilmot May 4, 2 | 2004-05-04 |
Side cutting gage pad improving stabilization and borehole integrity Grant 6,684,967 - Mensa-Wilmot , et al. February 3, 2 | 2004-02-03 |
Multi profile performance enhancing concentric drill bit App 20030178232 - Mensa-Wilmot, Graham | 2003-09-25 |
PDC drill bit having cutting structure adapted to improve high speed drilling performance Grant 6,615,934 - Mensa-Wilmot September 9, 2 | 2003-09-09 |
Roller cone drill bit having designed walk characteristics App 20030136588 - Truax, David ;   et al. | 2003-07-24 |
PDC drill bit having cutting structure adapted to improve high speed drilling performance App 20030034180 - Mensa-Wilmot, Graham | 2003-02-20 |
Drill bit having large diameter PDC cutters App 20020144843 - Mensa-Wilmot, Graham ;   et al. | 2002-10-10 |
Side cutting gage pad improving stabilization and borehole integrity App 20020079139 - Mensa-Wilmot, Graham ;   et al. | 2002-06-27 |
Side cutting gage pad improving stabilization and borehole integrity Grant 6,253,863 - Mensa-Wilmot , et al. July 3, 2 | 2001-07-03 |
Drill bit with rows of cutters mounted to present a serrated cutting edge Grant 6,164,394 - Mensa-Wilmot , et al. December 26, 2 | 2000-12-26 |
PDC cutter element having improved substrate configuration Grant 6,148,937 - Mensa-Wilmot , et al. November 21, 2 | 2000-11-21 |
Drill bits with predictable walk tendencies Grant 5,937,958 - Mensa-Wilmot , et al. August 17, 1 | 1999-08-17 |
PDC cutter element having improved substrate configuration Grant 5,906,246 - Mensa-Wilmot , et al. May 25, 1 | 1999-05-25 |
Surface enhanced polycrystalline diamond composite cutters Grant 5,833,021 - Mensa-Wilmot , et al. November 10, 1 | 1998-11-10 |
Stability enhanced drill bit and cutting structure having zones of varying wear resistance Grant 5,607,024 - Keith , et al. March 4, 1 | 1997-03-04 |
Drill bit and cutting structure having enhanced placement and sizing of cutters for improved bit stabilization Grant 5,607,025 - Mensa-Wilmot , et al. March 4, 1 | 1997-03-04 |
Drill bit having enhanced cutting structure and stabilizing features Grant 5,582,261 - Keith , et al. December 10, 1 | 1996-12-10 |
Drill bit having stability enhancing cutting structure Grant 5,551,522 - Keith , et al. September 3, 1 | 1996-09-03 |
Drill bit with performance-improving cutting structure Grant 5,549,171 - Mensa-Wilmot , et al. August 27, 1 | 1996-08-27 |