FR2443560A1 - Lame perfectionnee pour trepans de forage - Google Patents

Lame perfectionnee pour trepans de forage

Info

Publication number
FR2443560A1
FR2443560A1 FR7924379A FR7924379A FR2443560A1 FR 2443560 A1 FR2443560 A1 FR 2443560A1 FR 7924379 A FR7924379 A FR 7924379A FR 7924379 A FR7924379 A FR 7924379A FR 2443560 A1 FR2443560 A1 FR 2443560A1
Authority
FR
France
Prior art keywords
drill bits
improved blade
cutting element
blade
rocks
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.)
Granted
Application number
FR7924379A
Other languages
English (en)
French (fr)
Other versions
FR2443560B1 (de
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of FR2443560A1 publication Critical patent/FR2443560A1/fr
Application granted granted Critical
Publication of FR2443560B1 publication Critical patent/FR2443560B1/fr
Granted legal-status Critical Current

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)
FR7924379A 1978-10-02 1979-10-01 Lame perfectionnee pour trepans de forage Granted FR2443560A1 (fr)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2443560A1 true FR2443560A1 (fr) 1980-07-04
FR2443560B1 FR2443560B1 (de) 1984-07-20

Family

ID=25486908

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7924379A Granted FR2443560A1 (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)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2492450A1 (fr) * 1980-10-21 1982-04-23 Christensen Inc Trepan de forage rotatif pour forages profonds
FR2503785A1 (fr) * 1981-04-11 1982-10-15 Christensen Inc Element de coupe pour trepan de forage rotatif pour forages profonds dans des formations geologiques
FR2545530A1 (fr) * 1983-04-28 1984-11-09 Sumitomo Metal Mining Co Bouts rapportes pour trepans d'un dispositif de forage

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US3141746A (en) * 1960-10-03 1964-07-21 Gen Electric Diamond compact abrasive
US3136615A (en) * 1960-10-03 1964-06-09 Gen Electric Compact of abrasive crystalline material with boron carbide bonding medium
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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2492450A1 (fr) * 1980-10-21 1982-04-23 Christensen Inc Trepan de forage rotatif pour forages profonds
FR2503785A1 (fr) * 1981-04-11 1982-10-15 Christensen Inc Element de coupe pour trepan de forage rotatif pour forages profonds dans des formations geologiques
FR2545530A1 (fr) * 1983-04-28 1984-11-09 Sumitomo Metal Mining Co Bouts rapportes pour trepans d'un dispositif de forage

Also Published As

Publication number Publication date
BE879116A (fr) 1980-02-01
GB2032979A (en) 1980-05-14
CH646227A5 (de) 1984-11-15
IT1163718B (it) 1987-04-08
IT7926090A0 (it) 1979-09-28
SE7908122L (sv) 1980-04-03
FR2443560B1 (de) 1984-07-20
ES257023Y (es) 1982-04-16
GB2032979B (en) 1982-09-08
DE2938524A1 (de) 1980-04-10
DE2938524C2 (de) 1991-12-19
ES257023U (es) 1981-10-16
JPS6238517B2 (de) 1987-08-18
ZA794097B (en) 1980-11-26
JPS5549490A (en) 1980-04-09
IL58031A0 (en) 1979-12-30
IL58031A (en) 1982-08-31
NL7906559A (nl) 1980-04-08

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Legal Events

Date Code Title Description
ST Notification of lapse