SE8102397L - Borrkrona med utspridda skerelement - Google Patents

Borrkrona med utspridda skerelement

Info

Publication number
SE8102397L
SE8102397L SE8102397A SE8102397A SE8102397L SE 8102397 L SE8102397 L SE 8102397L SE 8102397 A SE8102397 A SE 8102397A SE 8102397 A SE8102397 A SE 8102397A SE 8102397 L SE8102397 L SE 8102397L
Authority
SE
Sweden
Prior art keywords
insert
boundary zone
inserts
randomly
chronicle
Prior art date
Application number
SE8102397A
Other languages
Unknown language ( )
English (en)
Other versions
SE448015B (sv
Inventor
R C O Pessier
R M Ippolito
B E Baker
Original Assignee
Hughes Tool Co
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 Hughes Tool Co filed Critical Hughes Tool Co
Publication of SE8102397L publication Critical patent/SE8102397L/sv
Publication of SE448015B publication Critical patent/SE448015B/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
    • E21B10/46—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
    • 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
    • E21B10/16—Roller bits characterised by tooth form or arrangement

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)
SE8102397A 1980-06-23 1981-04-14 Borrkrona med utspridda skerelement samt metod for placering av skerelementen SE448015B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16197780A 1980-06-23 1980-06-23

Publications (2)

Publication Number Publication Date
SE8102397L true SE8102397L (sv) 1981-12-24
SE448015B SE448015B (sv) 1987-01-12

Family

ID=22583644

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8102397A SE448015B (sv) 1980-06-23 1981-04-14 Borrkrona med utspridda skerelement samt metod for placering av skerelementen

Country Status (8)

Country Link
JP (1) JPS5715796A (sv)
AU (1) AU543784B2 (sv)
CA (1) CA1154752A (sv)
DE (1) DE3117268A1 (sv)
GB (1) GB2078826B (sv)
NO (1) NO156952C (sv)
SE (1) SE448015B (sv)
ZA (1) ZA812521B (sv)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29907492U1 (de) * 1999-04-29 2000-09-28 Wirth Maschinen- und Bohrgeräte-Fabrik GmbH, 41812 Erkelenz Werkzeug zum Lösen von Erdreich

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2230569A (en) * 1939-12-20 1941-02-04 Globe Oil Tools Co Roller cutter
US2774571A (en) * 1954-07-06 1956-12-18 Hughes Tool Co Cone type well drill
US3726350A (en) * 1971-05-24 1973-04-10 Hughes Tool Co Anti-tracking earth boring drill
US3871488A (en) * 1974-02-13 1975-03-18 Daniel R Sabre Rock drilling
US4187922A (en) * 1978-05-12 1980-02-12 Dresser Industries, Inc. Varied pitch rotary rock bit

Also Published As

Publication number Publication date
GB2078826B (en) 1983-12-07
CA1154752A (en) 1983-10-04
AU543784B2 (en) 1985-05-02
ZA812521B (en) 1982-04-28
NO811356L (no) 1981-12-28
JPS5715796A (en) 1982-01-27
AU6961581A (en) 1982-01-07
SE448015B (sv) 1987-01-12
DE3117268C2 (sv) 1991-06-06
GB2078826A (en) 1982-01-13
NO156952C (no) 1987-12-23
NO156952B (no) 1987-09-14
JPH0258433B2 (sv) 1990-12-07
DE3117268A1 (de) 1982-04-15

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