NO139495C - Skjaerevalse for borkrone - Google Patents

Skjaerevalse for borkrone

Info

Publication number
NO139495C
NO139495C NO1867/73A NO186773A NO139495C NO 139495 C NO139495 C NO 139495C NO 1867/73 A NO1867/73 A NO 1867/73A NO 186773 A NO186773 A NO 186773A NO 139495 C NO139495 C NO 139495C
Authority
NO
Norway
Prior art keywords
borqrone
cutter rolling
cutter
rolling
Prior art date
Application number
NO1867/73A
Other languages
English (en)
Other versions
NO139495B (no
Inventor
Eugene Gray Ott
William Michael Conn
Original Assignee
Dresser Ind
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 Dresser Ind filed Critical Dresser Ind
Publication of NO139495B publication Critical patent/NO139495B/no
Publication of NO139495C publication Critical patent/NO139495C/no

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
    • E21B10/08—Roller bits
    • E21B10/10—Roller bits with roller axle supported at both ends
    • 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
    • E21B10/50—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type
    • E21B10/52—Drill bits characterised by wear resisting parts, e.g. diamond inserts the bit being of roller type with chisel- or button-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)
  • Earth Drilling (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
NO1867/73A 1972-05-08 1973-05-07 Skjaerevalse for borkrone NO139495C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25160772A 1972-05-08 1972-05-08

Publications (2)

Publication Number Publication Date
NO139495B NO139495B (no) 1978-12-11
NO139495C true NO139495C (no) 1984-06-21

Family

ID=22952672

Family Applications (1)

Application Number Title Priority Date Filing Date
NO1867/73A NO139495C (no) 1972-05-08 1973-05-07 Skjaerevalse for borkrone

Country Status (9)

Country Link
JP (1) JPS4961905A (no)
AU (1) AU475924B2 (no)
CA (1) CA975389A (no)
DE (1) DE2323603A1 (no)
FR (1) FR2183904A1 (no)
GB (1) GB1410534A (no)
NO (1) NO139495C (no)
SE (1) SE404055B (no)
ZA (1) ZA732541B (no)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3323615C2 (de) * 1983-06-30 1985-06-27 Erweka Apparatebau GmbH, 6056 Heusenstamm Vorrichtung und Verfahren zur Entnahme und Messung von Proben
SE8307010L (sv) * 1983-12-19 1985-06-20 Santrade Ltd Stift for slagborrande borrkrona och borrkrona derfor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3385385A (en) * 1966-04-01 1968-05-28 Reed Roller Bit Co Drill bit

Also Published As

Publication number Publication date
JPS4961905A (no) 1974-06-15
NO139495B (no) 1978-12-11
FR2183904A1 (no) 1973-12-21
AU475924B2 (en) 1976-09-09
ZA732541B (en) 1974-03-27
DE2323603A1 (de) 1973-11-22
GB1410534A (en) 1975-10-15
AU5472073A (en) 1974-10-24
SE404055B (sv) 1978-09-18
CA975389A (en) 1975-09-30

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