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FR1459030A - Bearing system, especially for drill bits - Google Patents

Bearing system, especially for drill bits

Info

Publication number
FR1459030A
FR1459030A FR28496A FR28496A FR1459030A FR 1459030 A FR1459030 A FR 1459030A FR 28496 A FR28496 A FR 28496A FR 28496 A FR28496 A FR 28496A FR 1459030 A FR1459030 A FR 1459030A
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
FR28496A
Other languages
French (fr)
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 FR28496A priority Critical patent/FR1459030A/en
Priority to FR41340A priority patent/FR89332E/en
Application granted granted Critical
Publication of FR1459030A publication Critical patent/FR1459030A/en
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)
FR28496A 1965-08-17 1965-08-17 Bearing system, especially for drill bits Expired FR1459030A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR28496A FR1459030A (en) 1965-08-17 1965-08-17 Bearing system, especially for drill bits
FR41340A FR89332E (en) 1965-08-17 1965-12-08 Bearing system, especially for drill bits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR28496A FR1459030A (en) 1965-08-17 1965-08-17 Bearing system, especially for drill bits

Publications (1)

Publication Number Publication Date
FR1459030A true FR1459030A (en) 1966-04-29

Family

ID=8586739

Family Applications (2)

Application Number Title Priority Date Filing Date
FR28496A Expired FR1459030A (en) 1965-08-17 1965-08-17 Bearing system, especially for drill bits
FR41340A Expired FR89332E (en) 1965-08-17 1965-12-08 Bearing system, especially for drill bits

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR41340A Expired FR89332E (en) 1965-08-17 1965-12-08 Bearing system, especially for drill bits

Country Status (1)

Country Link
FR (2) FR1459030A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2441048A1 (en) * 1978-07-24 1980-06-06 Dresser Ind DRILL BIT WITH A FACTORY TRUCK IN AN ECCENTRIC SHAPE

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2441048A1 (en) * 1978-07-24 1980-06-06 Dresser Ind DRILL BIT WITH A FACTORY TRUCK IN AN ECCENTRIC SHAPE

Also Published As

Publication number Publication date
FR89332E (en) 1967-06-09

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