US930759A
(en)
|
1908-11-20 |
1909-08-10 |
Howard R Hughes |
Drill.
|
US1874066A
(en)
|
1930-04-28 |
1932-08-30 |
Floyd L Scott |
Combination rolling and scraping cutter drill
|
US1932487A
(en)
|
1930-07-11 |
1933-10-31 |
Hughes Tool Co |
Combination scraping and rolling cutter drill
|
US1879127A
(en)
|
1930-07-21 |
1932-09-27 |
Hughes Tool Co |
Combination rolling and scraping cutter bit
|
US2030722A
(en)
|
1933-12-01 |
1936-02-11 |
Hughes Tool Co |
Cutter assembly
|
US2152628A
(en)
*
|
1937-07-23 |
1939-04-04 |
Gauthey |
Well bit
|
US2198849A
(en)
|
1938-06-09 |
1940-04-30 |
Reuben L Waxler |
Drill
|
US2297157A
(en)
|
1940-11-16 |
1942-09-29 |
Mcclinton John |
Drill
|
US2719026A
(en)
|
1952-04-28 |
1955-09-27 |
Reed Roller Bit Co |
Earth boring drill
|
US3010708A
(en)
|
1960-04-11 |
1961-11-28 |
Goodman Mfg Co |
Rotary mining head and core breaker therefor
|
US3055443A
(en)
|
1960-05-31 |
1962-09-25 |
Jersey Prod Res Co |
Drill bit
|
US3174564A
(en)
|
1963-06-10 |
1965-03-23 |
Hughes Tool Co |
Combination core bit
|
US3269469A
(en)
|
1964-01-10 |
1966-08-30 |
Hughes Tool Co |
Solid head rotary-percussion bit with rolling cutters
|
US3424258A
(en)
|
1966-11-16 |
1969-01-28 |
Japan Petroleum Dev Corp |
Rotary bit for use in rotary drilling
|
USRE28625E
(en)
|
1970-08-03 |
1975-11-25 |
|
Rock drill with increased bearing life
|
US4006788A
(en)
|
1975-06-11 |
1977-02-08 |
Smith International, Inc. |
Diamond cutter rock bit with penetration limiting
|
JPS5382601A
(en)
|
1976-12-28 |
1978-07-21 |
Tokiwa Kogyo Kk |
Rotary grinding type excavation drill head
|
US4140189A
(en)
|
1977-06-06 |
1979-02-20 |
Smith International, Inc. |
Rock bit with diamond reamer to maintain gage
|
US4270812A
(en)
|
1977-07-08 |
1981-06-02 |
Thomas Robert D |
Drill bit bearing
|
SU876947A1
(ru)
*
|
1978-06-01 |
1981-10-30 |
Кузбасский Политехнический Институт |
Комбинированное шарошечно-лопастное долото
|
US4285409A
(en)
|
1979-06-28 |
1981-08-25 |
Smith International, Inc. |
Two cone bit with extended diamond cutters
|
US4527637A
(en)
|
1981-05-11 |
1985-07-09 |
Bodine Albert G |
Cycloidal drill bit
|
US4293048A
(en)
|
1980-01-25 |
1981-10-06 |
Smith International, Inc. |
Jet dual bit
|
US4343371A
(en)
|
1980-04-28 |
1982-08-10 |
Smith International, Inc. |
Hybrid rock bit
|
US4369849A
(en)
|
1980-06-05 |
1983-01-25 |
Reed Rock Bit Company |
Large diameter oil well drilling bit
|
US4359112A
(en)
|
1980-06-19 |
1982-11-16 |
Smith International, Inc. |
Hybrid diamond insert platform locator and retention method
|
US4320808A
(en)
|
1980-06-24 |
1982-03-23 |
Garrett Wylie P |
Rotary drill bit
|
SU956733A1
(ru)
*
|
1981-02-03 |
1982-09-07 |
Иркутский Ордена Трудового Красного Знамени Политехнический Институт |
Шарошечно-лопастное долото
|
US4410284A
(en)
|
1982-04-22 |
1983-10-18 |
Smith International, Inc. |
Composite floating element thrust bearing
|
US4444281A
(en)
|
1983-03-30 |
1984-04-24 |
Reed Rock Bit Company |
Combination drag and roller cutter drill bit
|
EP0162107A1
(en)
|
1983-11-18 |
1985-11-27 |
Rock Bit Industries U.S.A. Inc. |
Hybrid rock bit
|
US5028177A
(en)
|
1984-03-26 |
1991-07-02 |
Eastman Christensen Company |
Multi-component cutting element using triangular, rectangular and higher order polyhedral-shaped polycrystalline diamond disks
|
US4726718A
(en)
|
1984-03-26 |
1988-02-23 |
Eastman Christensen Co. |
Multi-component cutting element using triangular, rectangular and higher order polyhedral-shaped polycrystalline diamond disks
|
AU3946885A
(en)
|
1984-03-26 |
1985-10-03 |
Norton Christensen Inc. |
Cutting element using polycrystalline diamond disks
|
US4572306A
(en)
|
1984-12-07 |
1986-02-25 |
Dorosz Dennis D E |
Journal bushing drill bit construction
|
US4738322A
(en)
|
1984-12-21 |
1988-04-19 |
Smith International Inc. |
Polycrystalline diamond bearing system for a roller cone rock bit
|
US4664705A
(en)
|
1985-07-30 |
1987-05-12 |
Sii Megadiamond, Inc. |
Infiltrated thermally stable polycrystalline diamond
|
GB8528894D0
(en)
|
1985-11-23 |
1986-01-02 |
Nl Petroleum Prod |
Rotary drill bits
|
US4690228A
(en)
|
1986-03-14 |
1987-09-01 |
Eastman Christensen Company |
Changeover bit for extended life, varied formations and steady wear
|
US4943488A
(en)
|
1986-10-20 |
1990-07-24 |
Norton Company |
Low pressure bonding of PCD bodies and method for drill bits and the like
|
US5116568A
(en)
|
1986-10-20 |
1992-05-26 |
Norton Company |
Method for low pressure bonding of PCD bodies
|
US5030276A
(en)
|
1986-10-20 |
1991-07-09 |
Norton Company |
Low pressure bonding of PCD bodies and method
|
US4727942A
(en)
|
1986-11-05 |
1988-03-01 |
Hughes Tool Company |
Compensator for earth boring bits
|
US4765205A
(en)
|
1987-06-01 |
1988-08-23 |
Bob Higdon |
Method of assembling drill bits and product assembled thereby
|
USRE37450E1
(en)
|
1988-06-27 |
2001-11-20 |
The Charles Machine Works, Inc. |
Directional multi-blade boring head
|
US5027912A
(en)
|
1988-07-06 |
1991-07-02 |
Baker Hughes Incorporated |
Drill bit having improved cutter configuration
|
US4874047A
(en)
|
1988-07-21 |
1989-10-17 |
Cummins Engine Company, Inc. |
Method and apparatus for retaining roller cone of drill bit
|
US4875532A
(en)
|
1988-09-19 |
1989-10-24 |
Dresser Industries, Inc. |
Roller drill bit having radial-thrust pilot bushing incorporating anti-galling material
|
US4892159A
(en)
|
1988-11-29 |
1990-01-09 |
Exxon Production Research Company |
Kerf-cutting apparatus and method for improved drilling rates
|
NO169735C
(no)
|
1989-01-26 |
1992-07-29 |
Geir Tandberg |
Kombinasjonsborekrone
|
GB8907618D0
(en)
|
1989-04-05 |
1989-05-17 |
Morrison Pumps Sa |
Drilling
|
US4932484A
(en)
|
1989-04-10 |
1990-06-12 |
Amoco Corporation |
Whirl resistant bit
|
US4953641A
(en)
|
1989-04-27 |
1990-09-04 |
Hughes Tool Company |
Two cone bit with non-opposite cones
|
US4936398A
(en)
|
1989-07-07 |
1990-06-26 |
Cledisc International B.V. |
Rotary drilling device
|
US5049164A
(en)
|
1990-01-05 |
1991-09-17 |
Norton Company |
Multilayer coated abrasive element for bonding to a backing
|
US4991671A
(en)
|
1990-03-13 |
1991-02-12 |
Camco International Inc. |
Means for mounting a roller cutter on a drill bit
|
US4984643A
(en)
|
1990-03-21 |
1991-01-15 |
Hughes Tool Company |
Anti-balling earth boring bit
|
US5224560A
(en)
|
1990-10-30 |
1993-07-06 |
Modular Engineering |
Modular drill bit
|
US5145017A
(en)
|
1991-01-07 |
1992-09-08 |
Exxon Production Research Company |
Kerf-cutting apparatus for increased drilling rates
|
US5941322A
(en)
|
1991-10-21 |
1999-08-24 |
The Charles Machine Works, Inc. |
Directional boring head with blade assembly
|
US5238074A
(en)
|
1992-01-06 |
1993-08-24 |
Baker Hughes Incorporated |
Mosaic diamond drag bit cutter having a nonuniform wear pattern
|
US5467836A
(en)
|
1992-01-31 |
1995-11-21 |
Baker Hughes Incorporated |
Fixed cutter bit with shear cutting gage
|
US5287936A
(en)
|
1992-01-31 |
1994-02-22 |
Baker Hughes Incorporated |
Rolling cone bit with shear cutting gage
|
US5346026A
(en)
|
1992-01-31 |
1994-09-13 |
Baker Hughes Incorporated |
Rolling cone bit with shear cutting gage
|
NO176528C
(no)
|
1992-02-17 |
1995-04-19 |
Kverneland Klepp As |
Anordning ved borekroner
|
EP0569663A1
(en)
|
1992-05-15 |
1993-11-18 |
Baker Hughes Incorporated |
Improved anti-whirl drill bit
|
US5558170A
(en)
|
1992-12-23 |
1996-09-24 |
Baroid Technology, Inc. |
Method and apparatus for improving drill bit stability
|
US5289889A
(en)
|
1993-01-21 |
1994-03-01 |
Marvin Gearhart |
Roller cone core bit with spiral stabilizers
|
US5429200A
(en)
|
1994-03-31 |
1995-07-04 |
Dresser Industries, Inc. |
Rotary drill bit with improved cutter
|
US5452771A
(en)
|
1994-03-31 |
1995-09-26 |
Dresser Industries, Inc. |
Rotary drill bit with improved cutter and seal protection
|
US5439068B1
(en)
|
1994-08-08 |
1997-01-14 |
Dresser Ind |
Modular rotary drill bit
|
US5606895A
(en)
|
1994-08-08 |
1997-03-04 |
Dresser Industries, Inc. |
Method for manufacture and rebuild a rotary drill bit
|
US5513715A
(en)
|
1994-08-31 |
1996-05-07 |
Dresser Industries, Inc. |
Flat seal for a roller cone rock bit
|
US5755297A
(en)
|
1994-12-07 |
1998-05-26 |
Dresser Industries, Inc. |
Rotary cone drill bit with integral stabilizers
|
US5553681A
(en)
|
1994-12-07 |
1996-09-10 |
Dresser Industries, Inc. |
Rotary cone drill bit with angled ramps
|
US5547033A
(en)
|
1994-12-07 |
1996-08-20 |
Dresser Industries, Inc. |
Rotary cone drill bit and method for enhanced lifting of fluids and cuttings
|
US5593231A
(en)
|
1995-01-17 |
1997-01-14 |
Dresser Industries, Inc. |
Hydrodynamic bearing
|
US5996713A
(en)
|
1995-01-26 |
1999-12-07 |
Baker Hughes Incorporated |
Rolling cutter bit with improved rotational stabilization
|
US5570750A
(en)
|
1995-04-20 |
1996-11-05 |
Dresser Industries, Inc. |
Rotary drill bit with improved shirttail and seal protection
|
US5641029A
(en)
|
1995-06-06 |
1997-06-24 |
Dresser Industries, Inc. |
Rotary cone drill bit modular arm
|
US5695019A
(en)
|
1995-08-23 |
1997-12-09 |
Dresser Industries, Inc. |
Rotary cone drill bit with truncated rolling cone cutters and dome area cutter inserts
|
USD384084S
(en)
|
1995-09-12 |
1997-09-23 |
Dresser Industries, Inc. |
Rotary cone drill bit
|
US5695018A
(en)
|
1995-09-13 |
1997-12-09 |
Baker Hughes Incorporated |
Earth-boring bit with negative offset and inverted gage cutting elements
|
US5904213A
(en)
|
1995-10-10 |
1999-05-18 |
Camco International (Uk) Limited |
Rotary drill bits
|
US5862871A
(en)
*
|
1996-02-20 |
1999-01-26 |
Ccore Technology & Licensing Limited, A Texas Limited Partnership |
Axial-vortex jet drilling system and method
|
AU726959B2
(en)
|
1996-03-01 |
2000-11-30 |
Tiger 19 Partners, Ltd |
Cantilevered hole opener
|
US5642942A
(en)
|
1996-03-26 |
1997-07-01 |
Smith International, Inc. |
Thrust plugs for rotary cone air bits
|
US6390210B1
(en)
|
1996-04-10 |
2002-05-21 |
Smith International, Inc. |
Rolling cone bit with gage and off-gage cutter elements positioned to separate sidewall and bottom hole cutting duty
|
US5904212A
(en)
|
1996-11-12 |
1999-05-18 |
Dresser Industries, Inc. |
Gauge face inlay for bit hardfacing
|
BE1010801A3
(fr)
|
1996-12-16 |
1999-02-02 |
Dresser Ind |
Outil de forage et/ou de carottage.
|
BE1010802A3
(fr)
|
1996-12-16 |
1999-02-02 |
Dresser Ind |
Tete de forage.
|
US5944125A
(en)
|
1997-06-19 |
1999-08-31 |
Varel International, Inc. |
Rock bit with improved thrust face
|
US6095265A
(en)
|
1997-08-15 |
2000-08-01 |
Smith International, Inc. |
Impregnated drill bits with adaptive matrix
|
US6173797B1
(en)
|
1997-09-08 |
2001-01-16 |
Baker Hughes Incorporated |
Rotary drill bits for directional drilling employing movable cutters and tandem gage pad arrangement with active cutting elements and having up-drill capability
|
US6220374B1
(en)
|
1998-01-26 |
2001-04-24 |
Dresser Industries, Inc. |
Rotary cone drill bit with enhanced thrust bearing flange
|
WO1999037879A1
(en)
|
1998-01-26 |
1999-07-29 |
Dresser Industries, Inc. |
Rotary cone drill bit with enhanced journal bushing
|
US6109375A
(en)
|
1998-02-23 |
2000-08-29 |
Dresser Industries, Inc. |
Method and apparatus for fabricating rotary cone drill bits
|
US6568490B1
(en)
|
1998-02-23 |
2003-05-27 |
Halliburton Energy Services, Inc. |
Method and apparatus for fabricating rotary cone drill bits
|
WO1999049174A1
(en)
|
1998-03-26 |
1999-09-30 |
Dresser Industries, Inc. |
Rotary cone drill bit with improved bearing system
|
US6206116B1
(en)
|
1998-07-13 |
2001-03-27 |
Dresser Industries, Inc. |
Rotary cone drill bit with machined cutting structure
|
US20040045742A1
(en)
|
2001-04-10 |
2004-03-11 |
Halliburton Energy Services, Inc. |
Force-balanced roller-cone bits, systems, drilling methods, and design methods
|
US6401844B1
(en)
|
1998-12-03 |
2002-06-11 |
Baker Hughes Incorporated |
Cutter with complex superabrasive geometry and drill bits so equipped
|
US6279671B1
(en)
|
1999-03-01 |
2001-08-28 |
Amiya K. Panigrahi |
Roller cone bit with improved seal gland design
|
BE1012545A3
(fr)
|
1999-03-09 |
2000-12-05 |
Security Dbs |
Elargisseur de trou de forage.
|
WO2000070184A1
(en)
|
1999-05-14 |
2000-11-23 |
Allen Kent Rives |
Hole opener with multisized, replaceable arms and cutters
|
CA2314114C
(en)
|
1999-07-19 |
2007-04-10 |
Smith International, Inc. |
Improved rock drill bit with neck protection
|
US6684967B2
(en)
|
1999-08-05 |
2004-02-03 |
Smith International, Inc. |
Side cutting gage pad improving stabilization and borehole integrity
|
US6460631B2
(en)
|
1999-08-26 |
2002-10-08 |
Baker Hughes Incorporated |
Drill bits with reduced exposure of cutters
|
US6533051B1
(en)
|
1999-09-07 |
2003-03-18 |
Smith International, Inc. |
Roller cone drill bit shale diverter
|
US6386302B1
(en)
|
1999-09-09 |
2002-05-14 |
Smith International, Inc. |
Polycrystaline diamond compact insert reaming tool
|
ZA200005048B
(en)
|
1999-09-24 |
2002-02-14 |
Varel International Inc |
Improved rotary cone bit for cutting removal.
|
US6510906B1
(en)
|
1999-11-29 |
2003-01-28 |
Baker Hughes Incorporated |
Impregnated bit with PDC cutters in cone area
|
US6843333B2
(en)
|
1999-11-29 |
2005-01-18 |
Baker Hughes Incorporated |
Impregnated rotary drag bit
|
US8082134B2
(en)
|
2000-03-13 |
2011-12-20 |
Smith International, Inc. |
Techniques for modeling/simulating, designing optimizing, and displaying hybrid drill bits
|
US6439326B1
(en)
|
2000-04-10 |
2002-08-27 |
Smith International, Inc. |
Centered-leg roller cone drill bit
|
US6592985B2
(en)
|
2000-09-20 |
2003-07-15 |
Camco International (Uk) Limited |
Polycrystalline diamond partially depleted of catalyzing material
|
DE60140617D1
(de)
|
2000-09-20 |
2010-01-07 |
Camco Int Uk Ltd |
Polykristalliner diamant mit einer an katalysatormaterial abgereicherten oberfläche
|
US6408958B1
(en)
|
2000-10-23 |
2002-06-25 |
Baker Hughes Incorporated |
Superabrasive cutting assemblies including cutters of varying orientations and drill bits so equipped
|
US7137460B2
(en)
|
2001-02-13 |
2006-11-21 |
Smith International, Inc. |
Back reaming tool
|
US6729418B2
(en)
|
2001-02-13 |
2004-05-04 |
Smith International, Inc. |
Back reaming tool
|
US6601661B2
(en)
|
2001-09-17 |
2003-08-05 |
Baker Hughes Incorporated |
Secondary cutting structure
|
US6742607B2
(en)
|
2002-05-28 |
2004-06-01 |
Smith International, Inc. |
Fixed blade fixed cutter hole opener
|
US6883623B2
(en)
|
2002-10-09 |
2005-04-26 |
Baker Hughes Incorporated |
Earth boring apparatus and method offering improved gage trimmer protection
|
US20060032677A1
(en)
|
2003-02-12 |
2006-02-16 |
Smith International, Inc. |
Novel bits and cutting structures
|
US7234550B2
(en)
|
2003-02-12 |
2007-06-26 |
Smith International, Inc. |
Bits and cutting structures
|
US6904984B1
(en)
|
2003-06-20 |
2005-06-14 |
Rock Bit L.P. |
Stepped polycrystalline diamond compact insert
|
US7011170B2
(en)
|
2003-10-22 |
2006-03-14 |
Baker Hughes Incorporated |
Increased projection for compacts of a rolling cone drill bit
|
US7395882B2
(en)
|
2004-02-19 |
2008-07-08 |
Baker Hughes Incorporated |
Casing and liner drilling bits
|
CA2489187C
(en)
|
2003-12-05 |
2012-08-28 |
Smith International, Inc. |
Thermally-stable polycrystalline diamond materials and compacts
|
US20050178587A1
(en)
|
2004-01-23 |
2005-08-18 |
Witman George B.Iv |
Cutting structure for single roller cone drill bit
|
US7647993B2
(en)
|
2004-05-06 |
2010-01-19 |
Smith International, Inc. |
Thermally stable diamond bonded materials and compacts
|
ITMI20051579A1
(it)
|
2004-08-16 |
2006-02-17 |
Halliburton Energy Serv Inc |
Punte da trivella a coni rotanti con strutture di cuscinetto ottimizzate
|
US7754333B2
(en)
|
2004-09-21 |
2010-07-13 |
Smith International, Inc. |
Thermally stable diamond polycrystalline diamond constructions
|
GB0423597D0
(en)
|
2004-10-23 |
2004-11-24 |
Reedhycalog Uk Ltd |
Dual-edge working surfaces for polycrystalline diamond cutting elements
|
US7350601B2
(en)
|
2005-01-25 |
2008-04-01 |
Smith International, Inc. |
Cutting elements formed from ultra hard materials having an enhanced construction
|
US7435478B2
(en)
|
2005-01-27 |
2008-10-14 |
Smith International, Inc. |
Cutting structures
|
GB2454122B
(en)
|
2005-02-08 |
2009-07-08 |
Smith International |
Thermally stable polycrystalline diamond cutting elements and bits incorporating the same
|
US7350568B2
(en)
|
2005-02-09 |
2008-04-01 |
Halliburton Energy Services, Inc. |
Logging a well
|
US20060196699A1
(en)
|
2005-03-04 |
2006-09-07 |
Roy Estes |
Modular kerfing drill bit
|
US7472764B2
(en)
|
2005-03-25 |
2009-01-06 |
Baker Hughes Incorporated |
Rotary drill bit shank, rotary drill bits so equipped, and methods of manufacture
|
US7487849B2
(en)
|
2005-05-16 |
2009-02-10 |
Radtke Robert P |
Thermally stable diamond brazing
|
US7493973B2
(en)
|
2005-05-26 |
2009-02-24 |
Smith International, Inc. |
Polycrystalline diamond materials having improved abrasion resistance, thermal stability and impact resistance
|
US7377341B2
(en)
|
2005-05-26 |
2008-05-27 |
Smith International, Inc. |
Thermally stable ultra-hard material compact construction
|
US20060278442A1
(en)
|
2005-06-13 |
2006-12-14 |
Kristensen Henry L |
Drill bit
|
US7462003B2
(en)
|
2005-08-03 |
2008-12-09 |
Smith International, Inc. |
Polycrystalline diamond composite constructions comprising thermally stable diamond volume
|
US7416036B2
(en)
|
2005-08-12 |
2008-08-26 |
Baker Hughes Incorporated |
Latchable reaming bit
|
US9574405B2
(en)
|
2005-09-21 |
2017-02-21 |
Smith International, Inc. |
Hybrid disc bit with optimized PDC cutter placement
|
US7726421B2
(en)
|
2005-10-12 |
2010-06-01 |
Smith International, Inc. |
Diamond-bonded bodies and compacts with improved thermal stability and mechanical strength
|
US7152702B1
(en)
|
2005-11-04 |
2006-12-26 |
Smith International, Inc. |
Modular system for a back reamer and method
|
US7398837B2
(en)
|
2005-11-21 |
2008-07-15 |
Hall David R |
Drill bit assembly with a logging device
|
US7392862B2
(en)
|
2006-01-06 |
2008-07-01 |
Baker Hughes Incorporated |
Seal insert ring for roller cone bits
|
US7628234B2
(en)
|
2006-02-09 |
2009-12-08 |
Smith International, Inc. |
Thermally stable ultra-hard polycrystalline materials and compacts
|
US7387177B2
(en)
|
2006-10-18 |
2008-06-17 |
Baker Hughes Incorporated |
Bearing insert sleeve for roller cone bit
|
US8034136B2
(en)
|
2006-11-20 |
2011-10-11 |
Us Synthetic Corporation |
Methods of fabricating superabrasive articles
|
US7845435B2
(en)
|
2007-04-05 |
2010-12-07 |
Baker Hughes Incorporated |
Hybrid drill bit and method of drilling
|
US7841426B2
(en)
|
2007-04-05 |
2010-11-30 |
Baker Hughes Incorporated |
Hybrid drill bit with fixed cutters as the sole cutting elements in the axial center of the drill bit
|
US8678111B2
(en)
|
2007-11-16 |
2014-03-25 |
Baker Hughes Incorporated |
Hybrid drill bit and design method
|
US7938204B2
(en)
|
2007-12-21 |
2011-05-10 |
Baker Hughes Incorporated |
Reamer with improved hydraulics for use in a wellbore
|
SA108290832B1
(ar)
|
2007-12-21 |
2012-06-05 |
بيكر هوغيس انكوربوريتد |
مثقاب ذو أذرع توازن يستخدم في حفر الآبار
|
US20090172172A1
(en)
|
2007-12-21 |
2009-07-02 |
Erik Lambert Graham |
Systems and methods for enabling peer-to-peer communication among visitors to a common website
|