SE404055B - Sker for markborrning - Google Patents

Sker for markborrning

Info

Publication number
SE404055B
SE404055B SE7306371A SE7306371A SE404055B SE 404055 B SE404055 B SE 404055B SE 7306371 A SE7306371 A SE 7306371A SE 7306371 A SE7306371 A SE 7306371A SE 404055 B SE404055 B SE 404055B
Authority
SE
Sweden
Prior art keywords
happens
field drilling
drilling
field
Prior art date
Application number
SE7306371A
Other languages
English (en)
Inventor
E G Ott
W M 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 SE404055B publication Critical patent/SE404055B/sv

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)
SE7306371A 1972-05-08 1973-05-07 Sker for markborrning SE404055B (sv)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
SE404055B true SE404055B (sv) 1978-09-18

Family

ID=22952672

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7306371A SE404055B (sv) 1972-05-08 1973-05-07 Sker for markborrning

Country Status (9)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4607712A (en) * 1983-12-19 1986-08-26 Santrade Limited Rock drill bit

Families Citing this family (1)

* 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

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4607712A (en) * 1983-12-19 1986-08-26 Santrade Limited Rock drill bit

Also Published As

Publication number Publication date
AU5472073A (en) 1974-10-24
ZA732541B (en) 1974-03-27
DE2323603A1 (de) 1973-11-22
FR2183904A1 (sv) 1973-12-21
CA975389A (en) 1975-09-30
JPS4961905A (sv) 1974-06-15
GB1410534A (en) 1975-10-15
AU475924B2 (en) 1976-09-09
NO139495B (no) 1978-12-11
NO139495C (no) 1984-06-21

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