CH540426A - Trépan rotatif diamanté - Google Patents

Trépan rotatif diamanté

Info

Publication number
CH540426A
CH540426A CH1161171A CH1161171A CH540426A CH 540426 A CH540426 A CH 540426A CH 1161171 A CH1161171 A CH 1161171A CH 1161171 A CH1161171 A CH 1161171A CH 540426 A CH540426 A CH 540426A
Authority
CH
Switzerland
Prior art keywords
drill bit
rotary drill
diamond rotary
diamond
bit
Prior art date
Application number
CH1161171A
Other languages
English (en)
Inventor
Baron Guy
Vennin Henri
Original Assignee
Inst Francais Du Petrole
Christensen Diamond Prod 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 Inst Francais Du Petrole, Christensen Diamond Prod Co filed Critical Inst Francais Du Petrole
Publication of CH540426A publication Critical patent/CH540426A/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

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)
  • Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
CH1161171A 1970-09-04 1971-08-07 Trépan rotatif diamanté CH540426A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7032262A FR2123053A1 (en) 1970-09-04 1970-09-04 Diamond drill - for boreholes at considerable depth with strata under high geostatic stresses

Publications (1)

Publication Number Publication Date
CH540426A true CH540426A (fr) 1973-08-15

Family

ID=9060914

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1161171A CH540426A (fr) 1970-09-04 1971-08-07 Trépan rotatif diamanté

Country Status (3)

Country Link
BE (1) BE771628A (fr)
CH (1) CH540426A (fr)
FR (1) FR2123053A1 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2264617A (en) * 1939-04-01 1941-12-02 Clarence E Carpenter Diamond drill bit
US3215215A (en) * 1962-08-27 1965-11-02 Exxon Production Research Co Diamond bit
FR1363376A (fr) * 1963-05-02 1964-06-12 Trépan à balayage circulaire total pour le forage du sol

Also Published As

Publication number Publication date
FR2123053A1 (en) 1972-09-08
BE771628A (fr) 1972-02-23
FR2123053B1 (fr) 1974-03-01

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Legal Events

Date Code Title Description
PL Patent ceased