FR89332E - Système de palier, notamment pour trépans - Google Patents

Système de palier, notamment pour trépans

Info

Publication number
FR89332E
FR89332E FR41340A FR41340A FR89332E FR 89332 E FR89332 E FR 89332E FR 41340 A FR41340 A FR 41340A FR 41340 A FR41340 A FR 41340A FR 89332 E FR89332 E FR 89332E
Authority
FR
France
Prior art keywords
drill bits
bearing system
bearing
drill
bits
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
FR41340A
Other languages
English (en)
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
Priority to FR41340A priority Critical patent/FR89332E/fr
Application granted granted Critical
Publication of FR89332E publication Critical patent/FR89332E/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
    • E21B10/22—Roller bits characterised by bearing, lubrication or sealing 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)
FR41340A 1965-08-17 1965-12-08 Système de palier, notamment pour trépans Expired FR89332E (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR41340A FR89332E (fr) 1965-08-17 1965-12-08 Système de palier, notamment pour trépans

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR28496A FR1459030A (fr) 1965-08-17 1965-08-17 Système de palier, notamment pour trépans
FR41340A FR89332E (fr) 1965-08-17 1965-12-08 Système de palier, notamment pour trépans

Publications (1)

Publication Number Publication Date
FR89332E true FR89332E (fr) 1967-06-09

Family

ID=8586739

Family Applications (2)

Application Number Title Priority Date Filing Date
FR28496A Expired FR1459030A (fr) 1965-08-17 1965-08-17 Système de palier, notamment pour trépans
FR41340A Expired FR89332E (fr) 1965-08-17 1965-12-08 Système de palier, notamment pour trépans

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR28496A Expired FR1459030A (fr) 1965-08-17 1965-08-17 Système de palier, notamment pour trépans

Country Status (1)

Country Link
FR (2) FR1459030A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO791605L (no) * 1978-07-24 1980-01-25 Dresser Ind Borkrone.

Also Published As

Publication number Publication date
FR1459030A (fr) 1966-04-29

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