Patent | Date |
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Impactor excavation system having a drill bit discharging in a cross-over pattern Grant 8,485,279 - Tibbitts , et al. July 16, 2 | 2013-07-16 |
Methods Of Using A Particle Impact Drilling System For Removing Near-borehole Damage, Milling Objects In A Wellbore, Under Reaming, Coring Perforating, Assisting Annular Flow, And Associated Methods App 20120205156 - Tibbitts; Gordon A. ;   et al. | 2012-08-16 |
Methods Of Using A Particle Impact Drilling System For Removing Near-borehole Damage, Milling Objects In A Wellbore, Under Reaming, Coring, Perforating, Assisting Annular Flow, And Associated Methods App 20120205155 - Tibbitts; Gordon A. ;   et al. | 2012-08-16 |
Methods Of Using A Particle Impact Drilling System For Removing Near-borehole Damage, Milling Objects In A Wellbore, Under Reaming, Coring, Perforating, Assisting Annular Flow, And Associate Methods App 20120024601 - Tibbitts; Gordon A. ;   et al. | 2012-02-02 |
Methods of using a particle impact drilling system for removing near-borehole damage, milling objects in a wellbore, under reaming, coring, perforating, assisting annular flow, and associated methods Grant 8,037,950 - Tibbitts , et al. October 18, 2 | 2011-10-18 |
Method and system for controlling force in a down-hole drilling operation Grant 7,980,326 - Tibbitts , et al. July 19, 2 | 2011-07-19 |
Impactor Excavation System Having A Drill Bit Discharging In A Cross-Over Pattern App 20100294567 - Tibbitts; Gordon A. | 2010-11-25 |
Particle Drilling System Having Equivalent Circulating Density App 20100155063 - Tibbitts; Gordon A. ;   et al. | 2010-06-24 |
Methods Of Using A Particle Impact Drilling System For Removing Near-Borehole Damage, Milling Objects In A Wellbore, Under Reaming, Coring, Perforating, Assisting Annular Flow, And Associated Methods App 20090218098 - Tibbitts; Gordon A. ;   et al. | 2009-09-03 |
Impact excavation system and method with particle separation App 20090200080 - Tibbitts; Gordon A. ;   et al. | 2009-08-13 |
Method And System For Controlling Force In A Down-Hole Drilling Operation App 20090126994 - Tibbitts; Gordon A. ;   et al. | 2009-05-21 |
Impact Excavation System And Method With Particle Separation App 20080210472 - Tibbitts; Gordon A. | 2008-09-04 |
Impact Excavation System And Method With Suspension Flow Control App 20080196944 - Tibbitts; Gordon A. | 2008-08-21 |
Drill bit Grant 7,258,176 - Tibbitts , et al. August 21, 2 | 2007-08-21 |
Drill bit App 20060027398 - Tibbitts; Gordon A. ;   et al. | 2006-02-09 |
Laminated and composite impregnated cutting structures for drill bits Grant 6,742,611 - Illerhaus , et al. June 1, 2 | 2004-06-01 |
Bit torque limiting device Grant 6,594,881 - Tibbitts July 22, 2 | 2003-07-22 |
Superabrasive cutting elements for rotary drag bits configured for scooping a formation Grant 6,527,065 - Tibbitts , et al. March 4, 2 | 2003-03-04 |
Reinforced abrasive-impregnated cutting elements, drill bits including same and methods Grant 6,458,471 - Lovato , et al. October 1, 2 | 2002-10-01 |
Surface modifications for rotary drill bits Grant 6,450,271 - Tibbitts , et al. September 17, 2 | 2002-09-17 |
Bit torque limiting device App 20020073528 - Tibbitts, Gordon A. | 2002-06-20 |
Variable orientation nozzles for earth boring drill bits, drill bits so equipped, and methods of orienting Grant 6,390,211 - Tibbitts May 21, 2 | 2002-05-21 |
Method and apparatus for drilling a subterranean formation employing drill bit oscillation Grant 6,338,390 - Tibbitts January 15, 2 | 2002-01-15 |
Bit torque limiting device Grant 6,325,163 - Tibbitts December 4, 2 | 2001-12-04 |
Drill bits with controlled cutter loading and depth of cut Grant 6,298,930 - Sinor , et al. October 9, 2 | 2001-10-09 |
Reinforced abrasive-impregnated cutting elements, drill bits including same Grant 6,241,036 - Lovato , et al. June 5, 2 | 2001-06-05 |
Bit torque limiting device App 20010000591 - Tibbitts, Gordon A. | 2001-05-03 |
Bit torque limiting device App 20010000202 - Tibbitts, Gordon A. | 2001-04-12 |
Reinforced abrasive-impregnated cutting elements, drill bits including same and methods App 20010000101 - Lovato, Lorenzo G. ;   et al. | 2001-04-05 |
Drilling structure with non-axial gage Grant 6,206,117 - Tibbitts , et al. March 27, 2 | 2001-03-27 |
Drill bit with gage definition region Grant 6,123,160 - Tibbitts September 26, 2 | 2000-09-26 |
Predominantly diamond cutting structures for earth boring Grant 6,082,223 - Tibbitts July 4, 2 | 2000-07-04 |
Stress related placement of engineered superabrasive cutting elements on rotary drag bits Grant 6,021,859 - Tibbitts , et al. February 8, 2 | 2000-02-08 |
Cutting element, drill bit, system and method for drilling soft plastic formations Grant 6,006,846 - Tibbitts , et al. December 28, 1 | 1999-12-28 |
Superabrasive cutting element with enhanced durability and increased wear life, and apparatus so equipped Grant 6,000,483 - Jurewicz , et al. December 14, 1 | 1999-12-14 |
Stress related placement on engineered superabrasive cutting elements on rotary drag bits Grant 5,950,747 - Tibbitts , et al. September 14, 1 | 1999-09-14 |
BIT torque limiting device Grant 5,947,214 - Tibbitts September 7, 1 | 1999-09-07 |
Predominantly diamond cutting structures for earth boring Grant 5,924,501 - Tibbitts July 20, 1 | 1999-07-20 |
Mechanically locked drill bit components Grant 5,906,245 - Tibbitts , et al. May 25, 1 | 1999-05-25 |
PDC cutters with improved toughness Grant 5,820,985 - Chow , et al. October 13, 1 | 1998-10-13 |
Stress related placement of engineered superabrasive cutting elements on rotary drag bits Grant 5,787,022 - Tibbitts , et al. July 28, 1 | 1998-07-28 |
Superabrasive cutting element with enhanced durability and increased wear life, and apparatus so equipped Grant 5,706,906 - Jurewicz , et al. January 13, 1 | 1998-01-13 |
Swivel/tilting bit crown for earth-boring drills Grant 5,671,816 - Tibbitts September 30, 1 | 1997-09-30 |
Earth boring drill bit with shell supporting an external drilling surface Grant 5,666,864 - Tibbitts September 16, 1 | 1997-09-16 |
Drilling apparatus with dynamic cuttings removal and cleaning Grant 5,651,420 - Tibbitts , et al. July 29, 1 | 1997-07-29 |
Stress related placement of engineered superabrasive cutting elements on rotary drag bits Grant 5,605,198 - Tibbitts , et al. February 25, 1 | 1997-02-25 |
Superhard cutting structures for earth boring with enhanced stiffness and heat transfer capabilities Grant 5,590,729 - Cooley , et al. January 7, 1 | 1997-01-07 |
Earth boring drill bit with chip breaker Grant 5,582,258 - Tibbitts , et al. December 10, 1 | 1996-12-10 |
Bit for subterranean drilling fabricated from separately-formed major components Grant 5,560,440 - Tibbitts October 1, 1 | 1996-10-01 |
Drill bit cutting element Grant 5,533,582 - Tibbitts July 9, 1 | 1996-07-09 |
Swivel/tilting bit crown for earth-boring drills Grant 5,503,236 - Tibbitts April 2, 1 | 1996-04-02 |
Diamond cutting structure for drilling hard subterranean formations Grant 5,460,233 - Meany , et al. October 24, 1 | 1995-10-24 |
Cutting elements with enhanced stiffness and arrangements thereof on earth boring drill bits Grant 5,435,403 - Tibbitts July 25, 1 | 1995-07-25 |
Stud design for drill bit cutting element Grant 5,431,239 - Tibbitts , et al. July 11, 1 | 1995-07-11 |
Drill bit having combined positive and negative or neutral rake cutters Grant 5,377,773 - Tibbitts January 3, 1 | 1995-01-03 |
Expandable gage bit for drilling and method of drilling Grant 5,361,859 - Tibbitts November 8, 1 | 1994-11-08 |
Rolling cone bit with improved wear resistant inserts Grant 5,355,750 - Scott , et al. October 18, 1 | 1994-10-18 |
Rolling cone bit with improved wear resistant inserts Grant 5,348,108 - Scott , et al. * September 20, 1 | 1994-09-20 |
Drill bit having diamond film cutting elements Grant 5,337,844 - Tibbitts August 16, 1 | 1994-08-16 |
Drill bit cutting element with cooling channels Grant 5,316,095 - Tibbitts May 31, 1 | 1994-05-31 |
Drill bit having combined positive and negative or neutral rake cutters Grant 5,314,033 - Tibbitts May 24, 1 | 1994-05-24 |
Drill bit cutter mounting system providing selectable orientation of the cutting element Grant 5,285,859 - Tibbitts February 15, 1 | 1994-02-15 |
Multidirectional drill bit cutter Grant 5,279,375 - Tibbitts , et al. January 18, 1 | 1994-01-18 |
Mosaic diamond drag bit cutter having a nonuniform wear pattern Grant 5,238,074 - Tibbitts , et al. August 24, 1 | 1993-08-24 |
Drill bit and method for reducing formation fluid invasion and for improved drilling in plastic formations Grant 5,199,511 - Tibbitts , et al. April 6, 1 | 1993-04-06 |
Drill bit cutter and method for reducing pressure loading of cutters Grant 5,172,778 - Tibbitts , et al. December 22, 1 | 1992-12-22 |
Earth boring drill bit with matrix displacing material Grant 5,090,491 - Tibbitts , et al. February 25, 1 | 1992-02-25 |
Drill bit with improved steerability Grant 5,004,057 - Tibbitts , et al. April 2, 1 | 1991-04-02 |
Apparatus for taking core samples Grant 4,981,183 - Tibbitts January 1, 1 | 1991-01-01 |
Drill bit having diamond film cutting surface Grant 4,976,324 - Tibbitts December 11, 1 | 1990-12-11 |
Replaceable cutter using internal ductile metal receptacles Grant 4,877,096 - Tibbitts October 31, 1 | 1989-10-31 |
Apparatus for establishing hydraulic flow regime in drill bits Grant 4,869,330 - Tibbitts September 26, 1 | 1989-09-26 |