CA1335988C - Foret a stabilisateur forge integre - Google Patents

Foret a stabilisateur forge integre

Info

Publication number
CA1335988C
CA1335988C CA 562120 CA562120A CA1335988C CA 1335988 C CA1335988 C CA 1335988C CA 562120 CA562120 CA 562120 CA 562120 A CA562120 A CA 562120A CA 1335988 C CA1335988 C CA 1335988C
Authority
CA
Canada
Prior art keywords
lug
leg
drill bit
stabilizer
body portion
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
CA 562120
Other languages
English (en)
Inventor
Van H. Nguyen
Gerard P. Erpenbeck
Chris E. Cawthorne
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 CA1335988C publication Critical patent/CA1335988C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1092Gauge section of drill bits
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/08Roller bits
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/08Roller bits
    • E21B10/18Roller bits characterised by conduits or nozzles for drilling fluids
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK 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
    • E21B10/50Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
    • E21B10/52Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type with chisel- or button-type 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)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
CA 562120 1987-04-10 1988-03-22 Foret a stabilisateur forge integre Expired - Fee Related CA1335988C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US3662587A 1987-04-10 1987-04-10
US036,625 1987-04-10

Publications (1)

Publication Number Publication Date
CA1335988C true CA1335988C (fr) 1995-06-20

Family

ID=21889672

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 562120 Expired - Fee Related CA1335988C (fr) 1987-04-10 1988-03-22 Foret a stabilisateur forge integre

Country Status (7)

Country Link
BE (1) BE1002144A5 (fr)
CA (1) CA1335988C (fr)
DE (1) DE3811370A1 (fr)
FR (1) FR2613764B3 (fr)
GB (1) GB2203470B (fr)
MX (1) MX167812B (fr)
NL (1) NL8800897A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5494123A (en) * 1994-10-04 1996-02-27 Smith International, Inc. Drill bit with protruding insert stabilizers
US5755299A (en) * 1995-08-03 1998-05-26 Dresser Industries, Inc. Hardfacing with coated diamond particles
US9574405B2 (en) 2005-09-21 2017-02-21 Smith International, Inc. Hybrid disc bit with optimized PDC cutter placement
US8955413B2 (en) 2009-07-31 2015-02-17 Smith International, Inc. Manufacturing methods for high shear roller cone bits
US8672060B2 (en) 2009-07-31 2014-03-18 Smith International, Inc. High shear roller cone drill bits
RU2725712C1 (ru) * 2019-07-22 2020-07-03 Дмитрий Юрьевич Сериков Калибратор

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3628616A (en) * 1969-12-18 1971-12-21 Smith International Drilling bit with integral stabilizer
US4068731A (en) * 1976-11-17 1978-01-17 Smith International, Inc. Extended nozzle and bit stabilizer and method of producing
US4140189A (en) * 1977-06-06 1979-02-20 Smith International, Inc. Rock bit with diamond reamer to maintain gage
DE2934471A1 (de) * 1979-08-25 1981-03-26 Smith International, Inc. (n.d. Ges. d. Staates Delaware), Newport Beach, Calif. Bohrwerkzeug fuer einen gesteinsbohrer und verfahren zum bohren geothermischer schaechte
US4727943A (en) * 1987-01-15 1988-03-01 Wood Roy W Rotary drill bit

Also Published As

Publication number Publication date
GB8808453D0 (en) 1988-05-11
FR2613764A1 (fr) 1988-10-14
MX167812B (es) 1993-04-13
GB2203470B (en) 1991-09-18
DE3811370A1 (de) 1988-10-27
FR2613764B3 (fr) 1989-10-27
BE1002144A5 (fr) 1990-07-31
GB2203470A (en) 1988-10-19
NL8800897A (nl) 1988-11-01

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Legal Events

Date Code Title Description
MKLA Lapsed