JPS5715796A - Cutter for underground drill bit - Google Patents

Cutter for underground drill bit

Info

Publication number
JPS5715796A
JPS5715796A JP6614481A JP6614481A JPS5715796A JP S5715796 A JPS5715796 A JP S5715796A JP 6614481 A JP6614481 A JP 6614481A JP 6614481 A JP6614481 A JP 6614481A JP S5715796 A JPS5715796 A JP S5715796A
Authority
JP
Japan
Prior art keywords
cutter
drill bit
underground drill
underground
bit
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.)
Granted
Application number
JP6614481A
Other languages
Japanese (ja)
Other versions
JPH0258433B2 (en
Inventor
Kaaru Otsutoo Peshia Rudorufu
Emu Iporito Rodorufuo
Ii Beikaa Birii
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 JPS5715796A publication Critical patent/JPS5715796A/en
Publication of JPH0258433B2 publication Critical patent/JPH0258433B2/ja
Granted 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)
JP6614481A 1980-06-23 1981-04-30 Cutter for underground drill bit Granted JPS5715796A (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
JPS5715796A true JPS5715796A (en) 1982-01-27
JPH0258433B2 JPH0258433B2 (en) 1990-12-07

Family

ID=22583644

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6614481A Granted JPS5715796A (en) 1980-06-23 1981-04-30 Cutter for underground drill bit

Country Status (8)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29907492U1 (en) * 1999-04-29 2000-09-28 Wirth Co Kg Masch Bohr Soil loosening tool

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50117602A (en) * 1974-02-13 1975-09-13
JPS54149303A (en) * 1978-05-12 1979-11-22 Dresser Ind Pitch changeable rotary rock bit

Family Cites Families (3)

* 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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50117602A (en) * 1974-02-13 1975-09-13
JPS54149303A (en) * 1978-05-12 1979-11-22 Dresser Ind Pitch changeable rotary rock bit

Also Published As

Publication number Publication date
SE8102397L (en) 1981-12-24
GB2078826B (en) 1983-12-07
DE3117268A1 (en) 1982-04-15
SE448015B (en) 1987-01-12
AU543784B2 (en) 1985-05-02
NO156952B (en) 1987-09-14
NO811356L (en) 1981-12-28
ZA812521B (en) 1982-04-28
NO156952C (en) 1987-12-23
AU6961581A (en) 1982-01-07
JPH0258433B2 (en) 1990-12-07
GB2078826A (en) 1982-01-13
CA1154752A (en) 1983-10-04
DE3117268C2 (en) 1991-06-06

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