FR1295380A - Oil Well Drilling Tool Improvements - Google Patents

Oil Well Drilling Tool Improvements

Info

Publication number
FR1295380A
FR1295380A FR853484A FR853484A FR1295380A FR 1295380 A FR1295380 A FR 1295380A FR 853484 A FR853484 A FR 853484A FR 853484 A FR853484 A FR 853484A FR 1295380 A FR1295380 A FR 1295380A
Authority
FR
France
Prior art keywords
oil well
drilling tool
well drilling
tool improvements
oil
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
FR853484A
Other languages
French (fr)
Inventor
Andre Miffre
Hubert Miffre
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 filed Critical
Priority to FR853484A priority Critical patent/FR1295380A/en
Application granted granted Critical
Publication of FR1295380A publication Critical patent/FR1295380A/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
    • E21B10/46—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
    • E21B10/22—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)
FR853484A 1961-02-22 1961-02-22 Oil Well Drilling Tool Improvements Expired FR1295380A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR853484A FR1295380A (en) 1961-02-22 1961-02-22 Oil Well Drilling Tool Improvements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR853484A FR1295380A (en) 1961-02-22 1961-02-22 Oil Well Drilling Tool Improvements

Publications (1)

Publication Number Publication Date
FR1295380A true FR1295380A (en) 1962-06-08

Family

ID=8749387

Family Applications (1)

Application Number Title Priority Date Filing Date
FR853484A Expired FR1295380A (en) 1961-02-22 1961-02-22 Oil Well Drilling Tool Improvements

Country Status (1)

Country Link
FR (1) FR1295380A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3990525A (en) * 1975-02-27 1976-11-09 Dresser Industries, Inc. Sealing system for a rotary rock bit
DE2736711A1 (en) * 1976-08-23 1978-03-02 Skf Ind Trading & Dev DRILL BIT FOR STONE DRILLING
DE2743825A1 (en) * 1977-09-29 1979-04-12 Skf Kugellagerfabriken Gmbh CHISEL
EP2990587A1 (en) * 2014-08-28 2016-03-02 Sandvik Intellectual Property AB Semi-sealed rotary drill tool

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3990525A (en) * 1975-02-27 1976-11-09 Dresser Industries, Inc. Sealing system for a rotary rock bit
DE2736711A1 (en) * 1976-08-23 1978-03-02 Skf Ind Trading & Dev DRILL BIT FOR STONE DRILLING
DE2743825A1 (en) * 1977-09-29 1979-04-12 Skf Kugellagerfabriken Gmbh CHISEL
EP2990587A1 (en) * 2014-08-28 2016-03-02 Sandvik Intellectual Property AB Semi-sealed rotary drill tool
WO2016030309A1 (en) * 2014-08-28 2016-03-03 Sandvik Intellectual Property Ab Semi-sealed rotary drill tool
CN106605036A (en) * 2014-08-28 2017-04-26 山特维克知识产权股份有限公司 Semi-sealed rotary drill tool
US10605006B2 (en) 2014-08-28 2020-03-31 Sandvik Intellectual Property Ab Semi-sealed rotary drill tool

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