| Patent | Date |
|---|
Drill Bit With Multiple Cutting Structures
App 20220259926 - DOURFAYE; ALFAZAZI ; et al. | 2022-08-18 |
Drill Bit Having A Weight On Bit Reducing Effect
App 20220220809 - PELFRENE; GILLES ; et al. | 2022-07-14 |
Fixed cutter drill bit having core receptacle with concave core cutter
Grant 10,329,843 - Reboul , et al. | 2019-06-25 |
Fixed Cutter Drill Bit Having Core Receptacle With Concave Core Cutter
App 20170335630 - Reboul; Sebastien ; et al. | 2017-11-23 |
Method Of Reducing Intermetallic Compounds In Matrix Bit Bondline By Reduced Temperature Process
App 20170173717 - Ther; Olivier ; et al. | 2017-06-22 |
Method for reducing intermetallic compounds in matrix bit bondline
Grant 9,359,824 - Thigpen , et al. June 7, 2 | 2016-06-07 |
Method and apparatus for testing superhard material performance
Grant 9,297,732 - Reese , et al. March 29, 2 | 2016-03-29 |
Downhole acoustic emission formation sampling
Grant 9,086,348 - Thigpen , et al. July 21, 2 | 2015-07-21 |
Polycrystalline Diamond Compact Bit Manufacturing
App 20150089880 - Dourfaye; Alfazazi ; et al. | 2015-04-02 |
Process for the production of a thermally stable polycrystalline diamond compact
Grant 8,858,871 - Dourfaye , et al. October 14, 2 | 2014-10-14 |
Method For Reducing Intermetallic Compounds In Matrix Bit Bondline
App 20140131115 - Thigpen; Gary M. ; et al. | 2014-05-15 |
Backfilled polycrystalline diamond cutter with high thermal conductivity
Grant 8,662,209 - Dourfaye , et al. March 4, 2 | 2014-03-04 |
Process for the production of an element comprising at least one block of dense material constituted by hard particles dispersed in a binder phase: application to cutting or drilling tools
Grant 8,647,562 - Dourfaye , et al. February 11, 2 | 2014-02-11 |
Sectorial force balancing of drill bits
Grant 8,631,883 - Dourfaye January 21, 2 | 2014-01-21 |
Process for manufacturing a part comprising a block of dense material constituted of hard particles and of binder phase having a gradient of properties, and resulting part
Grant 8,602,131 - Colin , et al. December 10, 2 | 2013-12-10 |
Variable Frequency Impact Test
App 20130239652 - Pelfrene; Gilles ; et al. | 2013-09-19 |
Synthetic materials for PDC cutter testing or for testing other superhard materials
Grant 8,434,348 - Reese , et al. May 7, 2 | 2013-05-07 |
Synthetic materials for PDC cutter testing or for testing other superhard materials
Grant 8,434,347 - Reese , et al. May 7, 2 | 2013-05-07 |
Synthetic materials for PDC cutter testing or for testing other superhard materials
Grant 8,434,346 - Reese , et al. May 7, 2 | 2013-05-07 |
Polycrystalline diamond cutter with high thermal conductivity
Grant 8,365,846 - Dourfaye , et al. February 5, 2 | 2013-02-05 |
Impregnated rotary bit
Grant 8,210,286 - Dourfaye , et al. July 3, 2 | 2012-07-03 |
Impregnated rotary bit
Grant 8,196,683 - Dourfaye , et al. June 12, 2 | 2012-06-12 |
Auto adaptable cutting structure
Grant 8,191,656 - Dourfaye , et al. June 5, 2 | 2012-06-05 |
Impregnated rotary bit
Grant 8,118,119 - Dourfaye , et al. February 21, 2 | 2012-02-21 |
Downhole Acoustic Emission Formation Sampling
App 20110286304 - Thigpen; Gary M. ; et al. | 2011-11-24 |
Impregnated Rotary Bit
App 20110278075 - Dourfaye; Alfazazi ; et al. | 2011-11-17 |
Impregnated Rotary Bit
App 20110203854 - Dourfaye; Alfazazi ; et al. | 2011-08-25 |
Process For Manufacturing A Part Comprising A Block Of Dense Material Constituted Of Hard Particles And Of Binder Phase Having A Gradient Of Properties, And Resulting Part
App 20110174550 - Colin; Christophe ; et al. | 2011-07-21 |
Synthetic Materials for PDC Cutter Testing or for Testing Other Superhard Materials
App 20110146374 - Reese; Michael R. ; et al. | 2011-06-23 |
Synthetic Materials for PDC Cutter Testing or for Testing Other Superhard Materials
App 20110146372 - Reese; Michael R. ; et al. | 2011-06-23 |
Method and Apparatus for Testing Superhard Material Performance
App 20110148021 - Reese; Michael R. ; et al. | 2011-06-23 |
Synthetic Materials for PDC Cutter Testing or for Testing Other Superhard Materials
App 20110146373 - Reese; Michael R. ; et al. | 2011-06-23 |
Backfilled Polycrystalline Diamond Cutter With High Thermal Conductivity
App 20100243336 - Dourfaye; Alfazazi ; et al. | 2010-09-30 |
Auto Adaptable Cutting Structure
App 20100243334 - Dourfaye; Alfazazi ; et al. | 2010-09-30 |
Polycrystalline Diamond Cutter With High Thermal Conductivity
App 20100243335 - Dourfaye; Alfazazi ; et al. | 2010-09-30 |
Sectorial Force Balancing Of Drill Bits
App 20090223721 - Dourfaye; Alfazazi | 2009-09-10 |
Impregnated Rotary Bit
App 20090145668 - Dourfaye; Alfazazi ; et al. | 2009-06-11 |
Process For The Production Of A Thermally Stable Polycrystalline Diamond Compact
App 20090032169 - Dourfaye; Alfazazi ; et al. | 2009-02-05 |
Auto Adaptable Cutting Structure
App 20080264696 - Dourfaye; Alfazazi ; et al. | 2008-10-30 |
Process For The Production Of An Element Comprising At Least One Block Of Dense Material Constituted By Hard Particles Dispersed In A Binder Phase: Application To Cutting Or Drilling Tools
App 20080240879 - Dourfaye; Alfazazi ; et al. | 2008-10-02 |
PDC cutter for high compressive strength and highly abrasive formations
App 20070235230 - Cuillier; Bruno ; et al. | 2007-10-11 |
Spiral wave bladed drag bit
Grant 6,834,733 - Maouche , et al. December 28, 2 | 2004-12-28 |
Method and fabricating tools for earth boring
App 20030094730 - Dourfaye, Alfazazi ; et al. | 2003-05-22 |
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