BE879690A - Trepan de forage ayant des lames de coupes formees separement - Google Patents

Trepan de forage ayant des lames de coupes formees separement

Info

Publication number
BE879690A
BE879690A BE2/58167A BE2058167A BE879690A BE 879690 A BE879690 A BE 879690A BE 2/58167 A BE2/58167 A BE 2/58167A BE 2058167 A BE2058167 A BE 2058167A BE 879690 A BE879690 A BE 879690A
Authority
BE
Belgium
Prior art keywords
drill bit
cutting blades
separately formed
formed cutting
separately
Prior art date
Application number
BE2/58167A
Other languages
English (en)
Inventor
D S Rowley
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
Publication of BE879690A publication Critical patent/BE879690A/fr

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
    • E21B10/02—Core bits
    • E21B10/04—Core bits with core destroying means
    • 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
    • E21B10/006—Drill bits providing a cutting edge which is self-renewable during drilling
    • 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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
BE2/58167A 1978-06-12 1979-10-29 Trepan de forage ayant des lames de coupes formees separement BE879690A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/914,449 US4234048A (en) 1978-06-12 1978-06-12 Drill bits embodying impregnated segments

Publications (1)

Publication Number Publication Date
BE879690A true BE879690A (fr) 1980-04-29

Family

ID=25434386

Family Applications (1)

Application Number Title Priority Date Filing Date
BE2/58167A BE879690A (fr) 1978-06-12 1979-10-29 Trepan de forage ayant des lames de coupes formees separement

Country Status (2)

Country Link
US (1) US4234048A (fr)
BE (1) BE879690A (fr)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4460053A (en) * 1981-08-14 1984-07-17 Christensen, Inc. Drill tool for deep wells
US4586574A (en) * 1983-05-20 1986-05-06 Norton Christensen, Inc. Cutter configuration for a gage-to-shoulder transition and face pattern
GB8332342D0 (en) * 1983-12-03 1984-01-11 Nl Petroleum Prod Rotary drill bits
US4640374A (en) * 1984-01-30 1987-02-03 Strata Bit Corporation Rotary drill bit
US4538691A (en) * 1984-01-30 1985-09-03 Strata Bit Corporation Rotary drill bit
CA1248939A (fr) * 1984-03-16 1989-01-17 Alexander K. Meskin Diamant polycrystallin monte en saillie dans un trepan a corps-matrice
US5373900A (en) * 1988-04-15 1994-12-20 Baker Hughes Incorporated Downhole milling tool
US4796709A (en) * 1986-01-06 1989-01-10 Tri-State Oil Tool Industries, Inc. Milling tool for cutting well casing
US4719979A (en) * 1986-03-24 1988-01-19 Smith International, Inc. Expendable diamond drag bit
US4813500A (en) * 1987-10-19 1989-03-21 Smith International, Inc. Expendable diamond drag bit
US5000273A (en) * 1990-01-05 1991-03-19 Norton Company Low melting point copper-manganese-zinc alloy for infiltration binder in matrix body rock drill bits
US5103922A (en) * 1990-10-30 1992-04-14 Smith International, Inc. Fishtail expendable diamond drag bit
US5373907A (en) * 1993-01-26 1994-12-20 Dresser Industries, Inc. Method and apparatus for manufacturing and inspecting the quality of a matrix body drill bit
US6024168A (en) * 1996-01-24 2000-02-15 Weatherford/Lamb, Inc. Wellborne mills & methods
US6123160A (en) * 1997-04-02 2000-09-26 Baker Hughes Incorporated Drill bit with gage definition region
US6206117B1 (en) 1997-04-02 2001-03-27 Baker Hughes Incorporated Drilling structure with non-axial gage
US6138780A (en) * 1997-09-08 2000-10-31 Baker Hughes Incorporated Drag bit with steel shank and tandem gage pads
US6106957A (en) * 1998-03-19 2000-08-22 Smith International, Inc. Metal-matrix diamond or cubic boron nitride composites
US6241036B1 (en) 1998-09-16 2001-06-05 Baker Hughes Incorporated Reinforced abrasive-impregnated cutting elements, drill bits including same
US6394202B2 (en) 1999-06-30 2002-05-28 Smith International, Inc. Drill bit having diamond impregnated inserts primary cutting structure
GB2362903B (en) 2000-05-30 2002-12-24 Baker Hughes Inc Laminated and composite impregnated cutting structures for drill bits
US6474425B1 (en) * 2000-07-19 2002-11-05 Smith International, Inc. Asymmetric diamond impregnated drill bit
RU2280143C2 (ru) * 2002-04-23 2006-07-20 Кингдрим Паблик Лтд. Ко. Одношарошечное буровое долото (варианты)
US8343071B2 (en) 2004-12-16 2013-01-01 Senorx, Inc. Biopsy device with aperture orientation and improved tip
US7497280B2 (en) * 2005-01-27 2009-03-03 Baker Hughes Incorporated Abrasive-impregnated cutting structure having anisotropic wear resistance and drag bit including same
US8220567B2 (en) * 2009-03-13 2012-07-17 Baker Hughes Incorporated Impregnated bit with improved grit protrusion
US20100252331A1 (en) * 2009-04-01 2010-10-07 High Angela D Methods for forming boring shoes for wellbore casing, and boring shoes and intermediate structures formed by such methods
US8225890B2 (en) * 2009-04-21 2012-07-24 Baker Hughes Incorporated Impregnated bit with increased binder percentage
US8061408B2 (en) * 2009-10-13 2011-11-22 Varel Europe S.A.S. Casting method for matrix drill bits and reamers
US8839886B2 (en) * 2009-11-09 2014-09-23 Atlas Copco Secoroc Llc Drill bit with recessed center
WO2011060406A1 (fr) * 2009-11-16 2011-05-19 Varel Europe S.A.S. Gorges de compensation pour l'absorption de la dilatation pendant l'infiltration d'un outil de forage à matrice
EP2528703A2 (fr) * 2010-01-25 2012-12-05 Varel Europe S.A.S. Positionnement automatique de l'ébauche en acier dans un moule en graphite
US9027674B2 (en) 2011-06-22 2015-05-12 Halliburton Energy Services, Inc. Custom shaped blank
US20150368976A1 (en) * 2014-06-19 2015-12-24 Tercel Ip Ltd Fixed-cutter drill bits generating cores

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT679193A (fr) *
US2182562A (en) * 1937-01-23 1939-12-05 Charles J Koebel Core bit
US2511991A (en) * 1948-02-13 1950-06-20 Nussbaum Leon Rotary drilling tool
US3100543A (en) * 1957-03-08 1963-08-13 Tri Dia Inc Drill bit for cutting cores
US3127715A (en) * 1960-04-27 1964-04-07 Christensen Diamond Prod Co Diamond cutting devices
US3106973A (en) * 1960-09-26 1963-10-15 Christensen Diamond Prod Co Rotary drill bits
US3158458A (en) * 1961-03-06 1964-11-24 Continental Air Filters Inc Multi-pleated air filter
FR2029963A5 (fr) * 1969-03-19 1970-10-23 Petroles Cie Francaise
US3537538A (en) * 1969-05-21 1970-11-03 Christensen Diamond Prod Co Impregnated diamond bit
US3825083A (en) * 1972-02-02 1974-07-23 Christensen Diamond Prod Co Drill bit and stabilizer combination
GB1542401A (en) * 1975-05-06 1979-03-21 Moppes & Sons Ltd L Van Stabilizers for drill strings
US4073354A (en) * 1976-11-26 1978-02-14 Christensen, Inc. Earth-boring drill bits
US4116289A (en) * 1977-09-23 1978-09-26 Shell Oil Company Rotary bit with ridges
US4128136A (en) * 1977-12-09 1978-12-05 Lamage Limited Drill bit

Also Published As

Publication number Publication date
US4234048A (en) 1980-11-18

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: CHRISTENSEN INC.

Effective date: 19911031