DE3113109C2 - - Google Patents

Info

Publication number
DE3113109C2
DE3113109C2 DE19813113109 DE3113109A DE3113109C2 DE 3113109 C2 DE3113109 C2 DE 3113109C2 DE 19813113109 DE19813113109 DE 19813113109 DE 3113109 A DE3113109 A DE 3113109A DE 3113109 C2 DE3113109 C2 DE 3113109C2
Authority
DE
Germany
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DE19813113109
Other versions
DE3113109A1 (de
Inventor
Rainer Dr.-Ing. 3100 Osterloh De Juergens
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Christensen Inc
Original Assignee
Christensen Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Christensen Inc filed Critical Christensen Inc
Priority to DE19813113109 priority Critical patent/DE3113109C2/de
Publication of DE3113109A1 publication Critical patent/DE3113109A1/de
Application granted granted Critical
Publication of DE3113109C2 publication Critical patent/DE3113109C2/de
Application status is Expired legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/42Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
    • E21B10/43Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits characterised by the arrangement of teeth or other cutting elements
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/46Drill bits characterised by wear resisting parts, e.g. diamond inserts
DE19813113109 1981-04-01 1981-04-01 Expired DE3113109C2 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19813113109 DE3113109C2 (de) 1981-04-01 1981-04-01

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
DE19813113109 DE3113109C2 (de) 1981-04-01 1981-04-01
GB8205320A GB2095724B (en) 1981-04-01 1982-02-23 Rotary drill bit
NL8201012A NL8201012A (nl) 1981-04-01 1982-03-11 Roterende boorbeitel voor grondboringen.
BE0/207568A BE892488A (fr) 1981-04-01 1982-03-12 Trepan de forage rotatif pour forages profonds
FR8204552A FR2503242B1 (fr) 1981-04-01 1982-03-17 Trepan de forage rotatif pour forages profonds
CA000398727A CA1165755A (en) 1981-04-01 1982-03-18 Rotary drill bit
US06/361,669 US4471845A (en) 1981-04-01 1982-03-25 Rotary drill bit

Publications (2)

Publication Number Publication Date
DE3113109A1 DE3113109A1 (de) 1982-11-04
DE3113109C2 true DE3113109C2 (de) 1983-11-17

Family

ID=6129037

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19813113109 Expired DE3113109C2 (de) 1981-04-01 1981-04-01

Country Status (7)

Country Link
US (1) US4471845A (de)
BE (1) BE892488A (de)
CA (1) CA1165755A (de)
DE (1) DE3113109C2 (de)
FR (1) FR2503242B1 (de)
GB (1) GB2095724B (de)
NL (1) NL8201012A (de)

Families Citing this family (65)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4558753A (en) * 1983-02-22 1985-12-17 Nl Industries, Inc. Drag bit and cutters
US4538690A (en) * 1983-02-22 1985-09-03 Nl Industries, Inc. PDC cutter and bit
US4550790A (en) * 1983-02-28 1985-11-05 Norton Christensen, Inc. Diamond rotating bit
US4499959A (en) * 1983-03-14 1985-02-19 Christensen, Inc. Tooth configuration for an earth boring bit
US4512426A (en) * 1983-04-11 1985-04-23 Christensen, Inc. Rotating bits including a plurality of types of preferential cutting elements
AU578637B2 (en) * 1983-12-03 1988-11-03 N.L. Petroleum Products Ltd. Rotary drill bits and cutting elements for such bits
US4862977A (en) * 1984-01-31 1989-09-05 Reed Tool Company, Ltd. Drill bit and cutter therefor
US4991670A (en) * 1984-07-19 1991-02-12 Reed Tool Company, Ltd. Rotary drill bit for use in drilling holes in subsurface earth formations
GB8418481D0 (en) * 1984-07-19 1984-08-22 Nl Petroleum Prod Rotary drill bits
GB8500925D0 (en) * 1985-01-15 1985-02-20 Nl Petroleum Prod Cutter assemblies
DE3510048C1 (de) * 1985-03-20 1986-04-10 Siegfried Treitz Schlagbohrkrone fuer Gesteinsbohrmaschinen
US4913244A (en) * 1986-09-11 1990-04-03 Eastman Christensen Company Large compact cutter rotary drill bit utilizing directed hydraulics for each cutter
FR2606069B1 (fr) * 1986-11-04 1991-01-18 Vennin Henri Outil de forage monobloc rotatif
GB8628168D0 (en) * 1986-11-22 1986-12-31 Nl Petroleum Prod Rotary drill bits
US4794994A (en) * 1987-03-26 1989-01-03 Reed Tool Company Drag drill bit having improved flow of drilling fluid
US4858706A (en) * 1987-09-15 1989-08-22 Lebourgh Maurice P Diamond drill bit with hemispherically shaped diamond inserts
US4981184A (en) * 1988-11-21 1991-01-01 Smith International, Inc. Diamond drag bit for soft formations
US4932484A (en) * 1989-04-10 1990-06-12 Amoco Corporation Whirl resistant bit
USRE34435E (en) * 1989-04-10 1993-11-09 Amoco Corporation Whirl resistant bit
US4989578A (en) * 1989-08-30 1991-02-05 Lebourg Maurice P Method for forming diamond cutting elements for a diamond drill bit
US5115873A (en) * 1991-01-24 1992-05-26 Baker Hughes Incorporated Method and appartus for directing drilling fluid to the cutting edge of a cutter
US5265685A (en) * 1991-12-30 1993-11-30 Dresser Industries, Inc. Drill bit with improved insert cutter pattern
US5314033A (en) * 1992-02-18 1994-05-24 Baker Hughes Incorporated Drill bit having combined positive and negative or neutral rake cutters
US5247923A (en) * 1992-03-09 1993-09-28 Lebourg Maurice P Method of forming a diamond drill bit element using laser trimming
GB9314954D0 (en) * 1993-07-16 1993-09-01 Camco Drilling Group Ltd Improvements in or relating to torary drill bits
US5549171A (en) * 1994-08-10 1996-08-27 Smith International, Inc. Drill bit with performance-improving cutting structure
US5582261A (en) * 1994-08-10 1996-12-10 Smith International, Inc. Drill bit having enhanced cutting structure and stabilizing features
US5592996A (en) * 1994-10-03 1997-01-14 Smith International, Inc. Drill bit having improved cutting structure with varying diamond density
US5551522A (en) * 1994-10-12 1996-09-03 Smith International, Inc. Drill bit having stability enhancing cutting structure
GB9421924D0 (en) * 1994-11-01 1994-12-21 Camco Drilling Group Ltd Improvements in or relating to rotary drill bits
US5607025A (en) * 1995-06-05 1997-03-04 Smith International, Inc. Drill bit and cutting structure having enhanced placement and sizing of cutters for improved bit stabilization
AU3402997A (en) * 1996-06-21 1998-01-07 Smith International, Inc. Rolling cone bit having gage and nestled gage cutter elements having enhancements in materials and geometry to optimize borehole corner cutting duty
FR2756002B1 (fr) * 1996-11-20 1999-04-02 Total Sa Outil de forage a lames avec taillants de reserve et canaux d'evacuation des deblais generes par les taillants
BE1010801A3 (fr) * 1996-12-16 1999-02-02 Dresser Ind Outil de forage et/ou de carottage.
GB9712342D0 (en) * 1997-06-14 1997-08-13 Camco Int Uk Ltd Improvements in or relating to rotary drill bits
US6119797A (en) * 1998-03-19 2000-09-19 Kingdream Public Ltd. Co. Single cone earth boring bit
DE60140617D1 (de) * 2000-09-20 2010-01-07 Camco Int Uk Ltd Polykristalliner diamant mit einer an katalysatormaterial abgereicherten oberfläche
US7228922B1 (en) 2004-06-08 2007-06-12 Devall Donald L Drill bit
US7513319B2 (en) 2004-06-08 2009-04-07 Devall Donald L Reamer bit
GB0521693D0 (en) * 2005-10-25 2005-11-30 Reedhycalog Uk Ltd Representation of whirl in fixed cutter drill bits
US20070261890A1 (en) * 2006-05-10 2007-11-15 Smith International, Inc. Fixed Cutter Bit With Centrally Positioned Backup Cutter Elements
GB2453875C (en) * 2006-10-02 2009-09-16 Smith International Drill bits with dropping tendencies
US7896106B2 (en) * 2006-12-07 2011-03-01 Baker Hughes Incorporated Rotary drag bits having a pilot cutter configuraton and method to pre-fracture subterranean formations therewith
EP2118430A2 (de) * 2007-01-25 2009-11-18 Baker Hughes Incorporated Drehwiderstandsbit
US7703557B2 (en) * 2007-06-11 2010-04-27 Smith International, Inc. Fixed cutter bit with backup cutter elements on primary blades
US7730976B2 (en) 2007-10-31 2010-06-08 Baker Hughes Incorporated Impregnated rotary drag bit and related methods
US9016407B2 (en) * 2007-12-07 2015-04-28 Smith International, Inc. Drill bit cutting structure and methods to maximize depth-of-cut for weight on bit applied
US8100202B2 (en) * 2008-04-01 2012-01-24 Smith International, Inc. Fixed cutter bit with backup cutter elements on secondary blades
US8991526B2 (en) * 2009-01-30 2015-03-31 Drilformance Technologies, Llc Drill bit
US8689910B2 (en) 2009-03-02 2014-04-08 Baker Hughes Incorporated Impregnation bit with improved cutting structure and blade geometry
US8887839B2 (en) 2009-06-25 2014-11-18 Baker Hughes Incorporated Drill bit for use in drilling subterranean formations
RU2012103934A (ru) 2009-07-08 2013-08-20 Бейкер Хьюз Инкорпорейтед Режущий элемент для бурового долота, используемого для бурения подземных пород
EP2452036A2 (de) 2009-07-08 2012-05-16 Baker Hughes Incorporated Schneidelement und verfahren zu dessen formung
EP2479002A3 (de) 2009-07-27 2013-10-02 Baker Hughes Incorporated Schleifartikel
US8408338B2 (en) * 2009-09-15 2013-04-02 Baker Hughes Incorporated Impregnated rotary drag bit with enhanced drill out capability
US8505634B2 (en) * 2009-12-28 2013-08-13 Baker Hughes Incorporated Earth-boring tools having differing cutting elements on a blade and related methods
EP2531690B1 (de) * 2010-02-05 2019-04-03 Baker Hughes, a GE company, LLC Geformte schneideelemente auf bohrmeisseln und anderen erdbohrwerkzeugen sowie verfahren zu ihrer formung
CA2807231C (en) 2010-08-06 2016-06-28 Baker Hughes Incorporated Shaped cutting elements for earth-boring tools, earth-boring tools including such cutting elements, and related methods
US9567807B2 (en) * 2010-10-05 2017-02-14 Baker Hughes Incorporated Diamond impregnated cutting structures, earth-boring drill bits and other tools including diamond impregnated cutting structures, and related methods
US8851207B2 (en) 2011-05-05 2014-10-07 Baker Hughes Incorporated Earth-boring tools and methods of forming such earth-boring tools
US9212523B2 (en) 2011-12-01 2015-12-15 Smith International, Inc. Drill bit having geometrically sharp inserts
EP2812523A4 (de) 2012-02-08 2015-11-25 Baker Hughes Inc Geformte schneideelemente für erdbohrwerkzeuge und erdbohrwerkzeuge mit solchen schneideelementen
AU2013356314A1 (en) 2012-12-03 2015-07-02 Ulterra Drilling Technologies, L.P. Earth boring tool with improved arrangment of cutter side rakes
PL2950976T3 (pl) 2013-02-01 2018-06-29 Global Polishing Systems LLC Roztwory do cięcia, polerowania i obróbki barwiącej betonu
CN104847274A (zh) * 2015-05-19 2015-08-19 中国水利水电第十工程局有限公司 多头弧形切割式半球形钻头

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA659574A (en) * 1963-03-19 H. Davis Sidney Drilling bit
DE270185C (de) *
US883137A (en) * 1907-02-23 1908-03-24 J P Karns Tunneling Machine Co Drill-head and cutter-blade therefor.
US977955A (en) * 1909-05-25 1910-12-06 J P Karns Tunneling Machine Co Cutter-head for tunneling-machines.
US2648524A (en) * 1946-11-23 1953-08-11 Dionisotti Joseph Mining trepan
US2960312A (en) * 1957-06-07 1960-11-15 Charles W Kandle Drill cutting head
DE1054039B (de) * 1958-02-03 1959-04-02 Salzgitter Maschinen Ag Bohrmeissel
DD40351A (de) * 1963-06-14 1965-08-05
US3709308A (en) * 1970-12-02 1973-01-09 Christensen Diamond Prod Co Diamond drill bits
DE2620869A1 (de) * 1976-05-11 1977-12-01 Krupp Gmbh Schlagbohrwerkzeug
US4098363A (en) * 1977-04-25 1978-07-04 Christensen, Inc. Diamond drilling bit for soft and medium hard formations
GB1537000A (en) * 1977-08-17 1978-12-29 Shell Int Research Rotary drilling bit
US4351401A (en) * 1978-06-08 1982-09-28 Christensen, Inc. Earth-boring drill bits
US4350215A (en) * 1978-09-18 1982-09-21 Nl Industries Inc. Drill bit and method of manufacture
US4246977A (en) * 1979-04-09 1981-01-27 Smith International, Inc. Diamond studded insert drag bit with strategically located hydraulic passages for mud motors
DE3039632C2 (de) * 1980-10-21 1982-12-16 Christensen, Inc., 84115 Salt Lake City, Utah, Us

Also Published As

Publication number Publication date
GB2095724B (en) 1985-01-23
FR2503242B1 (fr) 1987-08-21
FR2503242A1 (fr) 1982-10-08
BE892488A1 (de)
US4471845A (en) 1984-09-18
CA1165755A1 (de)
CA1165755A (en) 1984-04-17
BE892488A (fr) 1982-07-01
GB2095724A (en) 1982-10-06
DE3113109A1 (de) 1982-11-04
NL8201012A (nl) 1982-11-01

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee