DE3772076D1 - Bohrmeissel. - Google Patents

Bohrmeissel.

Info

Publication number
DE3772076D1
DE3772076D1 DE8787302407T DE3772076T DE3772076D1 DE 3772076 D1 DE3772076 D1 DE 3772076D1 DE 8787302407 T DE8787302407 T DE 8787302407T DE 3772076 T DE3772076 T DE 3772076T DE 3772076 D1 DE3772076 D1 DE 3772076D1
Authority
DE
Germany
Prior art keywords
drill chisel
chisel
drill
Prior art date
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 - Fee Related
Application number
DE8787302407T
Other languages
English (en)
Inventor
Kenneth William Jones
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.)
Smith International Inc
Original Assignee
Smith International 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 Smith International Inc filed Critical Smith International Inc
Application granted granted Critical
Publication of DE3772076D1 publication Critical patent/DE3772076D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
    • E21B10/602—Drill bits characterised by conduits or nozzles for drilling fluids the bit being a rotary drag type bit with blades
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/54—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of the rotary drag type, e.g. fork-type bits
DE8787302407T 1986-03-24 1987-03-20 Bohrmeissel. Expired - Fee Related DE3772076D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/843,049 US4719979A (en) 1986-03-24 1986-03-24 Expendable diamond drag bit

Publications (1)

Publication Number Publication Date
DE3772076D1 true DE3772076D1 (de) 1991-09-19

Family

ID=25288943

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787302407T Expired - Fee Related DE3772076D1 (de) 1986-03-24 1987-03-20 Bohrmeissel.

Country Status (8)

Country Link
US (1) US4719979A (de)
EP (1) EP0239328B1 (de)
AU (1) AU588677B2 (de)
BR (1) BR8701733A (de)
CA (1) CA1259605A (de)
DE (1) DE3772076D1 (de)
MX (1) MX159926A (de)
NO (1) NO871189L (de)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5373900A (en) 1988-04-15 1994-12-20 Baker Hughes Incorporated Downhole milling tool
US4813500A (en) * 1987-10-19 1989-03-21 Smith International, Inc. Expendable diamond drag bit
GB2212190B (en) * 1987-11-12 1991-12-11 Reed Tool Co Improvements in cutting structures for rotary drill bits
US5012863A (en) * 1988-06-07 1991-05-07 Smith International, Inc. Pipe milling tool blade and method of dressing same
US4913247A (en) * 1988-06-09 1990-04-03 Eastman Christensen Company Drill bit having improved cutter configuration
US5025873A (en) * 1989-09-29 1991-06-25 Baker Hughes Incorporated Self-renewing multi-element cutting structure for rotary drag bit
US5103922A (en) * 1990-10-30 1992-04-14 Smith International, Inc. Fishtail expendable diamond drag bit
US5172778A (en) * 1991-11-14 1992-12-22 Baker-Hughes, Inc. Drill bit cutter and method for reducing pressure loading of cutters
US5279375A (en) * 1992-03-04 1994-01-18 Baker Hughes Incorporated Multidirectional drill bit cutter
US5316095A (en) * 1992-07-07 1994-05-31 Baker Hughes Incorporated Drill bit cutting element with cooling channels
US5887655A (en) * 1993-09-10 1999-03-30 Weatherford/Lamb, Inc Wellbore milling and drilling
US5887668A (en) * 1993-09-10 1999-03-30 Weatherford/Lamb, Inc. Wellbore milling-- drilling
US5605198A (en) * 1993-12-09 1997-02-25 Baker Hughes Incorporated Stress related placement of engineered superabrasive cutting elements on rotary drag bits
US5590729A (en) * 1993-12-09 1997-01-07 Baker Hughes Incorporated Superhard cutting structures for earth boring with enhanced stiffness and heat transfer capabilities
US6241036B1 (en) 1998-09-16 2001-06-05 Baker Hughes Incorporated Reinforced abrasive-impregnated cutting elements, drill bits including same
US6248447B1 (en) 1999-09-03 2001-06-19 Camco International (Uk) Limited Cutting elements and methods of manufacture thereof
CA2408970C (en) 2000-05-18 2009-05-12 Commonwealth Scientific And Industrial Research Organisation Cutting tool and method of using same
WO2007068866A1 (en) * 2005-12-16 2007-06-21 Statoilhydro Asa Drag bit
EP2297425B1 (de) * 2008-04-23 2012-05-16 Saudi Arabian Oil Company Pdc-bohrerschneidenausführung und düsenpositionierung
US8720609B2 (en) 2008-10-13 2014-05-13 Baker Hughes Incorporated Drill bit with continuously sharp edge cutting elements
US20100089661A1 (en) * 2008-10-13 2010-04-15 Baker Hughes Incorporated Drill bit with continuously sharp edge cutting elements
US8020641B2 (en) * 2008-10-13 2011-09-20 Baker Hughes Incorporated Drill bit with continuously sharp edge cutting elements
US20100089658A1 (en) * 2008-10-13 2010-04-15 Baker Hughes Incorporated Drill bit with continuously sharp edge cutting elements
US20100108402A1 (en) * 2008-10-31 2010-05-06 Baker Hughes Incorporated Downhole cutting tool and method of making
US8534392B2 (en) * 2010-02-22 2013-09-17 Baker Hughes Incorporated Composite cutting/milling tool having differing cutting elements and method for making the same
US8911522B2 (en) 2010-07-06 2014-12-16 Baker Hughes Incorporated Methods of forming inserts and earth-boring tools
WO2013109664A1 (en) 2012-01-20 2013-07-25 Baker Hughes Incorporated Superabrasive-impregnated earth-boring tools with extended features and aggressive compositions, and related methods
US8997897B2 (en) 2012-06-08 2015-04-07 Varel Europe S.A.S. Impregnated diamond structure, method of making same, and applications for use of an impregnated diamond structure
CN103510859B (zh) * 2012-06-21 2016-01-13 四川深远石油钻井工具股份有限公司 钻进比压可控的模块切削齿钻头
US10364671B2 (en) * 2016-03-10 2019-07-30 Baker Hughes, A Ge Company, Llc Diamond tipped control valve used for high temperature drilling applications
US11946338B2 (en) 2016-03-10 2024-04-02 Baker Hughes, A Ge Company, Llc Sleeve control valve for high temperature drilling applications
US10422201B2 (en) * 2016-03-10 2019-09-24 Baker Hughes, A Ge Company, Llc Diamond tipped control valve used for high temperature drilling applications
US10669812B2 (en) 2016-03-10 2020-06-02 Baker Hughes, A Ge Company, Llc Magnetic sleeve control valve for high temperature drilling applications
US10436025B2 (en) 2016-03-11 2019-10-08 Baker Hughes, A Ge Company, Llc Diamond high temperature shear valve designed to be used in extreme thermal environments
US10253623B2 (en) 2016-03-11 2019-04-09 Baker Hughes, A Ge Compant, Llc Diamond high temperature shear valve designed to be used in extreme thermal environments
CN106907112B (zh) * 2017-05-05 2023-06-20 宜昌神达科技有限公司 一种钻井用pdc钻头

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3140748A (en) * 1963-05-16 1964-07-14 Kennametal Inc Earth boring drill bit
US3426860A (en) * 1966-12-27 1969-02-11 Gerald A Petersen Pilot bit with replaceable teeth
FR2135053B1 (de) * 1971-05-04 1974-08-19 Petroles Cie Francaise
US3938599A (en) * 1974-03-27 1976-02-17 Hycalog, Inc. Rotary drill bit
SE7708649L (sv) * 1976-08-20 1978-02-21 Moppes And Sons Ltd L M Van Kernborrmaskin
US4234048A (en) * 1978-06-12 1980-11-18 Christensen, Inc. Drill bits embodying impregnated segments
US4350215A (en) * 1978-09-18 1982-09-21 Nl Industries Inc. Drill bit and method of manufacture
US4221270A (en) * 1978-12-18 1980-09-09 Smith International, Inc. Drag bit
FR2450936A1 (fr) * 1979-03-08 1980-10-03 Cagnioncle Georges Nouvelle foreuse rotative a taillant protege par un film fluide a tres haute pression
US4246977A (en) * 1979-04-09 1981-01-27 Smith International, Inc. Diamond studded insert drag bit with strategically located hydraulic passages for mud motors
US4325439A (en) * 1979-05-02 1982-04-20 Smith International, Inc. Diamond insert stud for a drag bit
US4303136A (en) * 1979-05-04 1981-12-01 Smith International, Inc. Fluid passage formed by diamond insert studs for drag bits
US4253533A (en) * 1979-11-05 1981-03-03 Smith International, Inc. Variable wear pad for crossflow drag bit
US4265324A (en) * 1979-11-29 1981-05-05 Smith International, Inc. Eccentric counterbore for diamond insert stud
US4334585A (en) * 1980-07-14 1982-06-15 Smith International, Inc. Insert retention and cooling apparatus for drag bits
DE3039633C2 (de) * 1980-10-21 1983-08-18 Christensen, Inc., 84115 Salt Lake City, Utah Drehbohrmeißel, insbesondere für Tiefbohrungen
US4553615A (en) * 1982-02-20 1985-11-19 Nl Industries, Inc. Rotary drilling bits
US4440247A (en) * 1982-04-29 1984-04-03 Sartor Raymond W Rotary earth drilling bit
US4475606A (en) * 1982-08-09 1984-10-09 Dresser Industries, Inc. Drag bit
US4494618A (en) * 1982-09-30 1985-01-22 Strata Bit Corporation Drill bit with self cleaning nozzle
US4505342A (en) * 1982-11-22 1985-03-19 Nl Industries, Inc. Drill bit
US4538690A (en) * 1983-02-22 1985-09-03 Nl Industries, Inc. PDC cutter and bit
US4499958A (en) * 1983-04-29 1985-02-19 Strata Bit Corporation Drag blade bit with diamond cutting elements
AU3592584A (en) * 1983-12-03 1985-06-06 N.L. Petroleum Products Ltd. Rotary drill bit
US4533004A (en) * 1984-01-16 1985-08-06 Cdp, Ltd. Self sharpening drag bit for sub-surface formation drilling
US4538691A (en) * 1984-01-30 1985-09-03 Strata Bit Corporation Rotary drill bit
US4539018A (en) * 1984-05-07 1985-09-03 Hughes Tool Company--USA Method of manufacturing cutter elements for drill bits

Also Published As

Publication number Publication date
EP0239328A3 (en) 1988-12-07
NO871189D0 (no) 1987-03-23
US4719979A (en) 1988-01-19
AU588677B2 (en) 1989-09-21
MX159926A (es) 1989-10-06
NO871189L (no) 1987-09-25
BR8701733A (pt) 1988-01-05
AU7056387A (en) 1987-10-01
EP0239328B1 (de) 1991-08-14
CA1259605A (en) 1989-09-19
EP0239328A2 (de) 1987-09-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee