BE879116A - Lame perfectionnee pour trepans de forage - Google Patents

Lame perfectionnee pour trepans de forage

Info

Publication number
BE879116A
BE879116A BE0/197412A BE197412A BE879116A BE 879116 A BE879116 A BE 879116A BE 0/197412 A BE0/197412 A BE 0/197412A BE 197412 A BE197412 A BE 197412A BE 879116 A BE879116 A BE 879116A
Authority
BE
Belgium
Prior art keywords
drill bits
improved blade
blade
improved
drill
Prior art date
Application number
BE0/197412A
Other languages
English (en)
French (fr)
Inventor
J Cheatham
W Daniels
Original Assignee
Gen Electric
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 Gen Electric filed Critical Gen Electric
Publication of BE879116A publication Critical patent/BE879116A/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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/56—Button-type inserts
    • E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
    • E21B10/5673—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts having a non planar or non circular cutting face
    • 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
    • E21B10/58—Chisel-type inserts

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Earth Drilling (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
BE0/197412A 1978-10-02 1979-10-01 Lame perfectionnee pour trepans de forage BE879116A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US94786578A 1978-10-02 1978-10-02

Publications (1)

Publication Number Publication Date
BE879116A true BE879116A (fr) 1980-02-01

Family

ID=25486908

Family Applications (1)

Application Number Title Priority Date Filing Date
BE0/197412A BE879116A (fr) 1978-10-02 1979-10-01 Lame perfectionnee pour trepans de forage

Country Status (12)

Country Link
JP (1) JPS5549490A (de)
BE (1) BE879116A (de)
CH (1) CH646227A5 (de)
DE (1) DE2938524A1 (de)
ES (1) ES257023Y (de)
FR (1) FR2443560A1 (de)
GB (1) GB2032979B (de)
IL (1) IL58031A (de)
IT (1) IT1163718B (de)
NL (1) NL7906559A (de)
SE (1) SE7908122L (de)
ZA (1) ZA794097B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3039632C2 (de) * 1980-10-21 1982-12-16 Christensen, Inc., 84115 Salt Lake City, Utah Drehborhmeißel für Tiefbohrungen
DE3114749C2 (de) * 1981-04-11 1983-10-27 Christensen, Inc., 84115 Salt Lake City, Utah Keilförmiges Schneidglied für Drehbohrmeißel zum Tiefbohren
GB2138864B (en) * 1983-04-28 1986-07-30 Sumitomo Metal Mining Co Roller drill bits
US4533004A (en) * 1984-01-16 1985-08-06 Cdp, Ltd. Self sharpening drag bit for sub-surface formation drilling
US4669556A (en) * 1984-01-31 1987-06-02 Nl Industries, Inc. Drill bit and cutter therefor
GB2181472A (en) * 1985-08-22 1987-04-23 Anderson Strathclyde Plc Cutter tools and tip inserts therefor

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3136615A (en) * 1960-10-03 1964-06-09 Gen Electric Compact of abrasive crystalline material with boron carbide bonding medium
US3141746A (en) * 1960-10-03 1964-07-21 Gen Electric Diamond compact abrasive
US3233988A (en) * 1964-05-19 1966-02-08 Gen Electric Cubic boron nitride compact and method for its production
US3767371A (en) * 1971-07-01 1973-10-23 Gen Electric Cubic boron nitride/sintered carbide abrasive bodies
US3745623A (en) * 1971-12-27 1973-07-17 Gen Electric Diamond tools for machining
US3745489A (en) * 1972-05-01 1973-07-10 Stanford Research Inst Microwave and uhf filters using discrete hairpin resonators
ZA782286B (en) * 1978-04-21 1979-10-31 Christensen Inc Abrasive bodies

Also Published As

Publication number Publication date
IL58031A0 (en) 1979-12-30
DE2938524A1 (de) 1980-04-10
GB2032979A (en) 1980-05-14
FR2443560A1 (fr) 1980-07-04
JPS6238517B2 (de) 1987-08-18
GB2032979B (en) 1982-09-08
SE7908122L (sv) 1980-04-03
JPS5549490A (en) 1980-04-09
ES257023U (es) 1981-10-16
FR2443560B1 (de) 1984-07-20
DE2938524C2 (de) 1991-12-19
CH646227A5 (de) 1984-11-15
IL58031A (en) 1982-08-31
ES257023Y (es) 1982-04-16
ZA794097B (en) 1980-11-26
IT7926090A0 (it) 1979-09-28
IT1163718B (it) 1987-04-08
NL7906559A (nl) 1980-04-08

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: GENERAL ELECTRIC CY

Effective date: 19931031