AU543784B2 - Drill bit with dispersed cutter inserts - Google Patents

Drill bit with dispersed cutter inserts

Info

Publication number
AU543784B2
AU543784B2 AU69615/81A AU6961581A AU543784B2 AU 543784 B2 AU543784 B2 AU 543784B2 AU 69615/81 A AU69615/81 A AU 69615/81A AU 6961581 A AU6961581 A AU 6961581A AU 543784 B2 AU543784 B2 AU 543784B2
Authority
AU
Australia
Prior art keywords
dispersed
drill bit
cutter inserts
cutter
inserts
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
AU69615/81A
Other languages
English (en)
Other versions
AU6961581A (en
Inventor
Billy E. Baker
Rodolfo M. Ippolito
Rudolf Carl Otto Pessier
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.)
Hughes Tool Co
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 AU6961581A publication Critical patent/AU6961581A/en
Application granted granted Critical
Publication of AU543784B2 publication Critical patent/AU543784B2/en
Anticipated expiration legal-status Critical
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
    • E21B10/50—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)
AU69615/81A 1980-06-23 1981-04-16 Drill bit with dispersed cutter inserts Expired AU543784B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16197780A 1980-06-23 1980-06-23
US161977 1980-06-23

Publications (2)

Publication Number Publication Date
AU6961581A AU6961581A (en) 1982-01-07
AU543784B2 true AU543784B2 (en) 1985-05-02

Family

ID=22583644

Family Applications (1)

Application Number Title Priority Date Filing Date
AU69615/81A Expired AU543784B2 (en) 1980-06-23 1981-04-16 Drill bit with dispersed cutter inserts

Country Status (8)

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

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
NO156952C (no) 1987-12-23
CA1154752A (en) 1983-10-04
GB2078826B (en) 1983-12-07
ZA812521B (en) 1982-04-28
DE3117268C2 (cs) 1991-06-06
JPH0258433B2 (cs) 1990-12-07
GB2078826A (en) 1982-01-13
NO811356L (no) 1981-12-28
DE3117268A1 (de) 1982-04-15
SE8102397L (sv) 1981-12-24
NO156952B (no) 1987-09-14
AU6961581A (en) 1982-01-07
JPS5715796A (en) 1982-01-27
SE448015B (sv) 1987-01-12

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Legal Events

Date Code Title Description
MK14 Patent ceased section 143(a) (annual fees not paid) or expired