DE2724547A1 - Drehend arbeitende bohrkrone - Google Patents

Drehend arbeitende bohrkrone

Info

Publication number
DE2724547A1
DE2724547A1 DE19772724547 DE2724547A DE2724547A1 DE 2724547 A1 DE2724547 A1 DE 2724547A1 DE 19772724547 DE19772724547 DE 19772724547 DE 2724547 A DE2724547 A DE 2724547A DE 2724547 A1 DE2724547 A1 DE 2724547A1
Authority
DE
Germany
Prior art keywords
drill bit
scraping
edges
flushing
bodies
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.)
Withdrawn
Application number
DE19772724547
Other languages
German (de)
English (en)
Inventor
Robijn Feenstra
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.)
SHELL INT RESEARCH
Shell Internationale Research Maatschappij BV
Original Assignee
SHELL INT RESEARCH
Shell Internationale Research Maatschappij BV
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 SHELL INT RESEARCH, Shell Internationale Research Maatschappij BV filed Critical SHELL INT RESEARCH
Publication of DE2724547A1 publication Critical patent/DE2724547A1/de
Withdrawn legal-status Critical Current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
    • 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)
DE19772724547 1976-06-02 1977-05-31 Drehend arbeitende bohrkrone Withdrawn DE2724547A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2279676A GB1546198A (en) 1976-06-02 1976-06-02 Rotary earth boring bit

Publications (1)

Publication Number Publication Date
DE2724547A1 true DE2724547A1 (de) 1977-12-15

Family

ID=10185200

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19772724547 Withdrawn DE2724547A1 (de) 1976-06-02 1977-05-31 Drehend arbeitende bohrkrone

Country Status (5)

Country Link
BE (1) BE855238A (enExample)
CA (1) CA1063095A (enExample)
DE (1) DE2724547A1 (enExample)
FR (1) FR2353702A1 (enExample)
GB (1) GB1546198A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3039633A1 (de) * 1980-10-21 1982-05-06 Christensen, Inc., 84115 Salt Lake City, Utah Drehbohrmeissel, insbesondere fuer tiefbohrungen

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2185506B (en) * 1986-01-21 1989-03-30 Shell Int Research Rotary drill bit
CN116104420B (zh) * 2023-03-20 2025-05-16 西南石油大学 一种具有双流道结构的pdc钻头

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2365941A (en) * 1942-08-31 1944-12-26 Shell Dev Oil well drill bit
DE1054039B (de) * 1958-02-03 1959-04-02 Salzgitter Maschinen Ag Bohrmeissel
FR1265943A (fr) * 1960-05-25 1961-07-07 Europ De Turboforage Soc Trépan pour le forage du sol
US3191698A (en) * 1962-05-17 1965-06-29 Drilling & Service Inc Blade-type drill bit
US3153458A (en) * 1962-10-08 1964-10-20 Drilling & Service Inc Blade-type drill bit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3039633A1 (de) * 1980-10-21 1982-05-06 Christensen, Inc., 84115 Salt Lake City, Utah Drehbohrmeissel, insbesondere fuer tiefbohrungen

Also Published As

Publication number Publication date
FR2353702A1 (fr) 1977-12-30
BE855238A (fr) 1977-11-30
GB1546198A (en) 1979-05-16
FR2353702B1 (enExample) 1983-01-14
CA1063095A (en) 1979-09-25

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
8130 Withdrawal