CA1264318A - Outil de foration - Google Patents

Outil de foration

Info

Publication number
CA1264318A
CA1264318A CA000525593A CA525593A CA1264318A CA 1264318 A CA1264318 A CA 1264318A CA 000525593 A CA000525593 A CA 000525593A CA 525593 A CA525593 A CA 525593A CA 1264318 A CA1264318 A CA 1264318A
Authority
CA
Canada
Prior art keywords
lubricant
body portion
flow
gaseous fluid
conduit means
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 - Fee Related
Application number
CA000525593A
Other languages
English (en)
Inventor
Walter F. Johnsey
Donald D. Drummond
Roy W. Wood
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.)
DRUMCO A PARTNERSHIP
Original Assignee
DRUMCO A PARTNERSHIP
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 DRUMCO A PARTNERSHIP filed Critical DRUMCO A PARTNERSHIP
Application granted granted Critical
Publication of CA1264318A publication Critical patent/CA1264318A/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
    • E21B10/24—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details

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)
CA000525593A 1986-01-13 1986-12-17 Outil de foration Expired - Fee Related CA1264318A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US81832686A 1986-01-13 1986-01-13
US818,326 1992-01-09

Publications (1)

Publication Number Publication Date
CA1264318A true CA1264318A (fr) 1990-01-09

Family

ID=25225263

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000525593A Expired - Fee Related CA1264318A (fr) 1986-01-13 1986-12-17 Outil de foration

Country Status (6)

Country Link
EP (1) EP0230129A1 (fr)
AU (1) AU6743787A (fr)
BR (1) BR8700047A (fr)
CA (1) CA1264318A (fr)
MX (1) MX160907A (fr)
ZA (1) ZA87174B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5183123A (en) * 1991-11-13 1993-02-02 Western Rock Bit Company Limited Indicating means for a rock bit lubricating system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3125175A (en) * 1964-03-17 figure
US2814464A (en) * 1953-01-02 1957-11-26 Engineering Lab Inc Air course drill bits
US3029881A (en) * 1959-06-09 1962-04-17 H C Smith Oil Tool Co Bit lubricator
US3924695A (en) * 1974-10-02 1975-12-09 John R Kennedy Rotary drilling method and apparatus
US4080091A (en) * 1976-11-03 1978-03-21 Reed Tool Company Drill bit
US4375242A (en) * 1980-08-11 1983-03-01 Hughes Tool Company Sealed and lubricated rock bit with air protected seal ring
US4386668A (en) * 1980-09-19 1983-06-07 Hughes Tool Company Sealed lubricated and air cooled rock bit bearing
EP0106701A3 (fr) * 1982-10-19 1986-02-05 Drumco Procédé et dispositif pour lubrifier un trépan de forage
US4541494A (en) * 1982-10-19 1985-09-17 Drumco Drill bit assembly

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5183123A (en) * 1991-11-13 1993-02-02 Western Rock Bit Company Limited Indicating means for a rock bit lubricating system

Also Published As

Publication number Publication date
MX160907A (es) 1990-06-06
AU6743787A (en) 1987-07-16
EP0230129A1 (fr) 1987-07-29
BR8700047A (pt) 1987-12-01
ZA87174B (en) 1987-08-26

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Legal Events

Date Code Title Description
MKLA Lapsed