CA1063095A - Rotary bit - Google Patents

Rotary bit

Info

Publication number
CA1063095A
CA1063095A CA274,965A CA274965A CA1063095A CA 1063095 A CA1063095 A CA 1063095A CA 274965 A CA274965 A CA 274965A CA 1063095 A CA1063095 A CA 1063095A
Authority
CA
Canada
Prior art keywords
scraping
bit
scraping means
rotary bit
central axis
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
CA274,965A
Other languages
English (en)
French (fr)
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 Canada Ltd
Original Assignee
Shell Canada Ltd
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 Canada Ltd filed Critical Shell Canada Ltd
Application granted granted Critical
Publication of CA1063095A publication Critical patent/CA1063095A/en
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
    • 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)
CA274,965A 1976-06-02 1977-03-29 Rotary bit Expired CA1063095A (en)

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
CA1063095A true CA1063095A (en) 1979-09-25

Family

ID=10185200

Family Applications (1)

Application Number Title Priority Date Filing Date
CA274,965A Expired CA1063095A (en) 1976-06-02 1977-03-29 Rotary bit

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)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3039633C2 (de) * 1980-10-21 1983-08-18 Christensen, Inc., 84115 Salt Lake City, Utah Drehbohrmeißel, insbesondere für Tiefbohrungen
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

Also Published As

Publication number Publication date
DE2724547A1 (de) 1977-12-15
FR2353702A1 (fr) 1977-12-30
BE855238A (fr) 1977-11-30
GB1546198A (en) 1979-05-16
FR2353702B1 (enExample) 1983-01-14

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