FR2094042B1 - - Google Patents

Info

Publication number
FR2094042B1
FR2094042B1 FR7120112A FR7120112A FR2094042B1 FR 2094042 B1 FR2094042 B1 FR 2094042B1 FR 7120112 A FR7120112 A FR 7120112A FR 7120112 A FR7120112 A FR 7120112A FR 2094042 B1 FR2094042 B1 FR 2094042B1
Authority
FR
France
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
Application number
FR7120112A
Other languages
French (fr)
Other versions
FR2094042A1 (OSRAM
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.)
LEBOURG MAURICE US
Original Assignee
LEBOURG MAURICE US
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 LEBOURG MAURICE US filed Critical LEBOURG MAURICE US
Publication of FR2094042A1 publication Critical patent/FR2094042A1/fr
Application granted granted Critical
Publication of FR2094042B1 publication Critical patent/FR2094042B1/fr
Expired 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

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)
FR7120112A 1970-06-04 1971-06-03 Expired FR2094042B1 (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4335070A 1970-06-04 1970-06-04

Publications (2)

Publication Number Publication Date
FR2094042A1 FR2094042A1 (OSRAM) 1972-02-04
FR2094042B1 true FR2094042B1 (OSRAM) 1975-01-17

Family

ID=21926719

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7120112A Expired FR2094042B1 (OSRAM) 1970-06-04 1971-06-03

Country Status (6)

Country Link
US (1) US3640355A (OSRAM)
BE (1) BE768142A (OSRAM)
CA (1) CA946825A (OSRAM)
CH (1) CH541062A (OSRAM)
FR (1) FR2094042B1 (OSRAM)
GB (1) GB1336758A (OSRAM)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1051418A (en) * 1976-02-03 1979-03-27 Western Rock Bit Company Limited Percussion drill bit
DE2733300C2 (de) * 1977-07-21 1983-01-05 Western Rock Bit Co. Ltd., Calgary, Alberta Gesteinsbohrmeißel
US4189015A (en) * 1978-08-21 1980-02-19 Acker Drill Company, Inc. Drill bits for obtaining core samples
GB2294069B (en) * 1994-10-15 1998-10-28 Camco Drilling Group Ltd Improvements in or relating to rotary drills bits
DE69531277T2 (de) * 1994-10-15 2004-05-19 Camco Drilling Group Ltd., Stonehouse Drehbohrmeissel
US8820441B2 (en) * 2008-10-24 2014-09-02 Tercel Ip Ltd. Combination coring bit and drill bit using fixed cutter PDC cutters
CN114109255B (zh) * 2021-11-24 2023-06-27 重庆科技学院 一种基于仿生学的钻掘装置

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2371489A (en) * 1943-08-09 1945-03-13 Sam P Daniel Drill bit
US2371490A (en) * 1944-04-10 1945-03-13 Jr Edward B Williams Step-cut drill bit
US2818233A (en) * 1954-05-03 1957-12-31 Jr Edward B Williams Drill bit
US3138213A (en) * 1954-06-24 1964-06-23 Orpha B Brandon Method and apparatus for vibratory drilling
US3058535A (en) * 1959-10-28 1962-10-16 Edward B Williams Iii Rotary drill bit
US3216514A (en) * 1962-02-23 1965-11-09 Nelson Norman A Rotary drilling apparatus
FR1363375A (fr) * 1963-05-02 1964-06-12 Outil à balayage frontal
FR1366092A (fr) * 1963-05-27 1964-07-10 Aquitaine Petrole Outil rotatif perfectionné de forage
FR1366118A (fr) * 1963-05-28 1964-07-10 Aquitaine Petrole Outil rotatif de forage
FR1366848A (fr) * 1963-05-28 1964-07-17 Aquitaine Petrole Perfectionnements aux outils rotatifs de forage à lames fluides
US3308896A (en) * 1964-08-20 1967-03-14 Homer I Henderson Drilling bit
US3405770A (en) * 1966-05-25 1968-10-15 Hughes Tool Co Drilling method and apparatus employing pressure variations in a drilling fluid

Also Published As

Publication number Publication date
US3640355A (en) 1972-02-08
BE768142A (fr) 1971-11-03
CH541062A (fr) 1973-08-31
CA946825A (en) 1974-05-07
GB1336758A (en) 1973-11-07
FR2094042A1 (OSRAM) 1972-02-04

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Legal Events

Date Code Title Description
ST Notification of lapse