NO852853L - Anordning ved dreieboreskjaer. - Google Patents

Anordning ved dreieboreskjaer.

Info

Publication number
NO852853L
NO852853L NO852853A NO852853A NO852853L NO 852853 L NO852853 L NO 852853L NO 852853 A NO852853 A NO 852853A NO 852853 A NO852853 A NO 852853A NO 852853 L NO852853 L NO 852853L
Authority
NO
Norway
Prior art keywords
drill bit
bit
opening
accordance
base
Prior art date
Application number
NO852853A
Other languages
English (en)
Norwegian (no)
Inventor
John Denzil Barr
Malcolm Roy Taylor
Original Assignee
Nl Petroleum Prod
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 Nl Petroleum Prod filed Critical Nl Petroleum Prod
Publication of NO852853L publication Critical patent/NO852853L/no

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK 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 OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Earth Drilling (AREA)
  • Drilling And Boring (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Turning (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
NO852853A 1984-07-19 1985-07-17 Anordning ved dreieboreskjaer. NO852853L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB848418482A GB8418482D0 (en) 1984-07-19 1984-07-19 Rotary drill bits

Publications (1)

Publication Number Publication Date
NO852853L true NO852853L (no) 1986-01-20

Family

ID=10564155

Family Applications (1)

Application Number Title Priority Date Filing Date
NO852853A NO852853L (no) 1984-07-19 1985-07-17 Anordning ved dreieboreskjaer.

Country Status (9)

Country Link
US (1) US4697654A (fr)
EP (1) EP0171915B1 (fr)
JP (1) JPS6140990A (fr)
AU (1) AU584623B2 (fr)
CA (1) CA1246049A (fr)
DE (1) DE3570718D1 (fr)
GB (2) GB8418482D0 (fr)
IE (1) IE56686B1 (fr)
NO (1) NO852853L (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4883136A (en) * 1986-09-11 1989-11-28 Eastman Christensen Co. Large compact cutter rotary drill bit utilizing directed hydraulics for each cutter
US4989578A (en) * 1989-08-30 1991-02-05 Lebourg Maurice P Method for forming diamond cutting elements for a diamond drill bit
SE467632B (sv) * 1990-01-17 1992-08-17 Uniroc Ab Borrverktyg foer slaaende och roterande borrning under samtidig neddrivning av ett foderroer
WO1991010805A1 (fr) * 1990-01-17 1991-07-25 Uniroc Aktiebolag Outil pour forage a percussion et forage rotatif
US5025875A (en) * 1990-05-07 1991-06-25 Ingersoll-Rand Company Rock bit for a down-the-hole drill
US5247923A (en) * 1992-03-09 1993-09-28 Lebourg Maurice P Method of forming a diamond drill bit element using laser trimming
GB2277760B (en) * 1993-05-08 1996-05-29 Camco Drilling Group Ltd Improvements in or relating to rotary drill bits
GB9509555D0 (en) * 1995-05-11 1995-07-05 Camco Drilling Group Ltd Improvements in or relating to rotary drill bits
US5794725A (en) * 1996-04-12 1998-08-18 Baker Hughes Incorporated Drill bits with enhanced hydraulic flow characteristics
US7694755B2 (en) 2007-10-15 2010-04-13 Baker Hughes Incorporated System, method, and apparatus for variable junk slot depth in drill bit body to alleviate balling
US9080413B2 (en) * 2013-01-30 2015-07-14 James Randall Winnon Downhole pressure nozzle and washing nozzle
EP3433463B1 (fr) * 2016-03-22 2020-07-01 TerraRoc Finland Oy Dispositif de forage de fond
GB2591405B (en) 2018-10-31 2022-07-20 Halliburton Energy Services Inc Integrated debris catcher and plug system

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3215215A (en) * 1962-08-27 1965-11-02 Exxon Production Research Co Diamond bit
FR1366848A (fr) * 1963-05-28 1964-07-17 Aquitaine Petrole Perfectionnements aux outils rotatifs de forage à lames fluides
US3388756A (en) * 1965-03-29 1968-06-18 Varel Mfg Company Percussion bit
US3314490A (en) * 1965-03-31 1967-04-18 Exxon Production Research Co Diamond drill bit
US3322218A (en) * 1965-05-04 1967-05-30 Exxon Production Research Co Multi-port diamond bit
US3414070A (en) * 1966-10-19 1968-12-03 Gulf Research Development Co Jet drilling bit
US3542142A (en) * 1968-09-27 1970-11-24 Gulf Research Development Co Method of drilling and drill bit therefor
US3955635A (en) * 1975-02-03 1976-05-11 Skidmore Sam C Percussion drill bit
US4246977A (en) * 1979-04-09 1981-01-27 Smith International, Inc. Diamond studded insert drag bit with strategically located hydraulic passages for mud motors
US4290498A (en) * 1979-04-11 1981-09-22 Triplett William C Ablatible drill
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
US4397363A (en) * 1980-01-10 1983-08-09 Drilling & Service U.K. Limited Rotary drill bits and method of use
US4323130A (en) * 1980-06-11 1982-04-06 Strata Bit Corporation Drill bit
US4359112A (en) * 1980-06-19 1982-11-16 Smith International, Inc. Hybrid diamond insert platform locator and retention method
US4360069A (en) * 1980-07-21 1982-11-23 Kenneth Davis Diamond drill bits
FR2532981B1 (fr) * 1982-09-14 1987-10-30 Vuitton Sa Louis Charniere perfectionnee sans axe rigide d'articulation
CA1217475A (fr) * 1982-09-16 1987-02-03 John D. Barr Trepan de forage
US4724913A (en) * 1983-02-18 1988-02-16 Strata Bit Corporation Drill bit and improved cutting element
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
US4499795A (en) * 1983-09-23 1985-02-19 Strata Bit Corporation Method of drill bit manufacture
GB2148978B (en) * 1983-10-29 1987-01-07 Nl Petroleum Prod Improvements in or relating to rotary drill bits
US4538691A (en) * 1984-01-30 1985-09-03 Strata Bit Corporation Rotary drill bit

Also Published As

Publication number Publication date
US4697654A (en) 1987-10-06
EP0171915A1 (fr) 1986-02-19
GB2161850A (en) 1986-01-22
AU4500985A (en) 1986-01-23
DE3570718D1 (en) 1989-07-06
GB8517277D0 (en) 1985-08-14
JPS6140990A (ja) 1986-02-27
AU584623B2 (en) 1989-06-01
EP0171915B1 (fr) 1989-05-31
IE56686B1 (en) 1991-11-06
GB8418482D0 (en) 1984-08-22
GB2161850B (en) 1988-10-26
CA1246049A (fr) 1988-12-06
IE851725L (en) 1986-01-19

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