CA1231091A - Degagement des particules pour trepans - Google Patents

Degagement des particules pour trepans

Info

Publication number
CA1231091A
CA1231091A CA000480240A CA480240A CA1231091A CA 1231091 A CA1231091 A CA 1231091A CA 000480240 A CA000480240 A CA 000480240A CA 480240 A CA480240 A CA 480240A CA 1231091 A CA1231091 A CA 1231091A
Authority
CA
Canada
Prior art keywords
bit
rock
bit body
borehole
bore hole
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
CA000480240A
Other languages
English (en)
Inventor
John R. Coates
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.)
Smith International Inc
Original Assignee
Smith International Inc
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 Smith International Inc filed Critical Smith International Inc
Application granted granted Critical
Publication of CA1231091A publication Critical patent/CA1231091A/fr
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
    • E21B10/08—Roller bits
    • 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
    • E21B10/18—Roller bits characterised by conduits or nozzles for drilling fluids

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)
CA000480240A 1982-01-08 1985-04-26 Degagement des particules pour trepans Expired CA1231091A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US33792982A 1982-01-08 1982-01-08

Publications (1)

Publication Number Publication Date
CA1231091A true CA1231091A (fr) 1988-01-05

Family

ID=23322633

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000480240A Expired CA1231091A (fr) 1982-01-08 1985-04-26 Degagement des particules pour trepans

Country Status (2)

Country Link
AU (1) AU574459B2 (fr)
CA (1) CA1231091A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5016719A (en) * 1990-01-24 1991-05-21 Western Rock Bit Company Limited Rotary cone type rock bits
CN109519128A (zh) * 2019-01-18 2019-03-26 沧州格锐特钻头有限公司 一种牙轮-pdc切削结构复合钻头

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU439742B2 (en) * 1968-03-13 1973-08-23 Improvements in or relating to drill bit and inserts therefor
US4549614A (en) * 1981-08-07 1985-10-29 Engtech Sa Drilling device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5016719A (en) * 1990-01-24 1991-05-21 Western Rock Bit Company Limited Rotary cone type rock bits
CN109519128A (zh) * 2019-01-18 2019-03-26 沧州格锐特钻头有限公司 一种牙轮-pdc切削结构复合钻头
CN109519128B (zh) * 2019-01-18 2024-02-23 沧州格锐特钻头有限公司 一种牙轮-pdc切削结构复合钻头

Also Published As

Publication number Publication date
AU4185685A (en) 1986-11-13
AU574459B2 (en) 1988-07-07

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Legal Events

Date Code Title Description
MKEX Expiry