FR2710686B1 - Trépan de forage monobloc rotatif. - Google Patents

Trépan de forage monobloc rotatif.

Info

Publication number
FR2710686B1
FR2710686B1 FR9311863A FR9311863A FR2710686B1 FR 2710686 B1 FR2710686 B1 FR 2710686B1 FR 9311863 A FR9311863 A FR 9311863A FR 9311863 A FR9311863 A FR 9311863A FR 2710686 B1 FR2710686 B1 FR 2710686B1
Authority
FR
France
Prior art keywords
rotary
drill bit
monoblock
monoblock drill
bit
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
FR9311863A
Other languages
English (en)
Other versions
FR2710686A1 (fr
Inventor
Henri Charles Vennin
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR9311863A priority Critical patent/FR2710686B1/fr
Publication of FR2710686A1 publication Critical patent/FR2710686A1/fr
Application granted granted Critical
Publication of FR2710686B1 publication Critical patent/FR2710686B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
    • E21B10/43—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits characterised by the arrangement of teeth or other cutting elements
    • 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
    • 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

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)
FR9311863A 1993-09-30 1993-09-30 Trépan de forage monobloc rotatif. Expired - Fee Related FR2710686B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9311863A FR2710686B1 (fr) 1993-09-30 1993-09-30 Trépan de forage monobloc rotatif.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9311863A FR2710686B1 (fr) 1993-09-30 1993-09-30 Trépan de forage monobloc rotatif.

Publications (2)

Publication Number Publication Date
FR2710686A1 FR2710686A1 (fr) 1995-04-07
FR2710686B1 true FR2710686B1 (fr) 1995-11-24

Family

ID=9451555

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9311863A Expired - Fee Related FR2710686B1 (fr) 1993-09-30 1993-09-30 Trépan de forage monobloc rotatif.

Country Status (1)

Country Link
FR (1) FR2710686B1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4186628A (en) * 1976-11-30 1980-02-05 General Electric Company Rotary drill bit and method for making same
US4429755A (en) * 1981-02-25 1984-02-07 Williamson Kirk E Drill with polycrystalline diamond drill blanks for soft, medium-hard and hard formations
GB8926688D0 (en) * 1989-11-25 1990-01-17 Reed Tool Co Improvements in or relating to rotary drill bits
US5314033A (en) * 1992-02-18 1994-05-24 Baker Hughes Incorporated Drill bit having combined positive and negative or neutral rake cutters

Also Published As

Publication number Publication date
FR2710686A1 (fr) 1995-04-07

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Legal Events

Date Code Title Description
ST Notification of lapse