FR806039A - Couronne de foret avec pièces rapportées destinée au procédé de forage par percussion et rotation - Google Patents

Couronne de foret avec pièces rapportées destinée au procédé de forage par percussion et rotation

Info

Publication number
FR806039A
FR806039A FR806039DA FR806039A FR 806039 A FR806039 A FR 806039A FR 806039D A FR806039D A FR 806039DA FR 806039 A FR806039 A FR 806039A
Authority
FR
France
Prior art keywords
percussion
inserts
drill bit
drilling process
rotary drilling
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
Application number
Other languages
English (en)
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.)
GOSOUDARSTVENNYI TSNI INSTITOU
Original Assignee
GOSOUDARSTVENNYI TSNI INSTITOU
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 GOSOUDARSTVENNYI TSNI INSTITOU filed Critical GOSOUDARSTVENNYI TSNI INSTITOU
Application granted granted Critical
Publication of FR806039A publication Critical patent/FR806039A/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
    • E21B10/58—Chisel-type 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)
FR806039D 1936-04-08 1936-04-08 Couronne de foret avec pièces rapportées destinée au procédé de forage par percussion et rotation Expired FR806039A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR806039T 1936-04-08

Publications (1)

Publication Number Publication Date
FR806039A true FR806039A (fr) 1936-12-05

Family

ID=9251673

Family Applications (1)

Application Number Title Priority Date Filing Date
FR806039D Expired FR806039A (fr) 1936-04-08 1936-04-08 Couronne de foret avec pièces rapportées destinée au procédé de forage par percussion et rotation

Country Status (1)

Country Link
FR (1) FR806039A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2522045A (en) * 1948-05-21 1950-09-12 Silas A Knowles Bit for rock drilling
US2597771A (en) * 1947-07-17 1952-05-20 Timken Roller Bearing Co Drill bit
US2619831A (en) * 1946-03-05 1952-12-02 American Chain & Cable Co Hardness tester as a function of time
US4243113A (en) * 1978-02-20 1981-01-06 Gebruder Heller Verwaltungsgesellschaft Mit Beschrankter Haftung Drilling head of a rotary impact drill

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2619831A (en) * 1946-03-05 1952-12-02 American Chain & Cable Co Hardness tester as a function of time
US2597771A (en) * 1947-07-17 1952-05-20 Timken Roller Bearing Co Drill bit
US2522045A (en) * 1948-05-21 1950-09-12 Silas A Knowles Bit for rock drilling
US4243113A (en) * 1978-02-20 1981-01-06 Gebruder Heller Verwaltungsgesellschaft Mit Beschrankter Haftung Drilling head of a rotary impact drill

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