FR2302408B1 - - Google Patents

Info

Publication number
FR2302408B1
FR2302408B1 FR7605250A FR7605250A FR2302408B1 FR 2302408 B1 FR2302408 B1 FR 2302408B1 FR 7605250 A FR7605250 A FR 7605250A FR 7605250 A FR7605250 A FR 7605250A FR 2302408 B1 FR2302408 B1 FR 2302408B1
Authority
FR
France
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
FR7605250A
Other languages
French (fr)
Other versions
FR2302408A1 (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.)
Dresser Industries Inc
Original Assignee
Dresser Industries 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 Dresser Industries Inc filed Critical Dresser Industries Inc
Publication of FR2302408A1 publication Critical patent/FR2302408A1/fr
Application granted granted Critical
Publication of FR2302408B1 publication Critical patent/FR2302408B1/fr
Granted 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
    • E21B10/25—Roller bits characterised by bearing, lubrication or sealing details characterised by sealing details
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C21/00—Combinations of sliding-contact bearings with ball or roller bearings, for exclusively rotary movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2352/00—Apparatus for drilling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
  • Drilling And Boring (AREA)
FR7605250A 1975-02-27 1976-02-25 Dispositif d'etancheite pour trepan de forage par rotation pour roches Granted FR2302408A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US55376275A 1975-02-27 1975-02-27

Publications (2)

Publication Number Publication Date
FR2302408A1 FR2302408A1 (fr) 1976-09-24
FR2302408B1 true FR2302408B1 (hr) 1982-11-05

Family

ID=24210651

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7605250A Granted FR2302408A1 (fr) 1975-02-27 1976-02-25 Dispositif d'etancheite pour trepan de forage par rotation pour roches

Country Status (8)

Country Link
BR (1) BR7601243A (hr)
CA (1) CA1048489A (hr)
DE (1) DE2608205A1 (hr)
FR (1) FR2302408A1 (hr)
GB (1) GB1534445A (hr)
IT (1) IT1053907B (hr)
PL (1) PL100432B1 (hr)
SE (1) SE415380B (hr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4386663A (en) * 1981-02-25 1983-06-07 Hughes Tool Company Cooled journal bearing
US5016719A (en) * 1990-01-24 1991-05-21 Western Rock Bit Company Limited Rotary cone type rock bits
GB2365038B (en) * 2000-07-27 2004-06-02 Walker & Co James Ltd Sealing structure for a rock drill bit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2075997A (en) * 1935-06-25 1937-04-06 Chicago Pneumatic Tool Co Roller cutter, spindle and bearing assembly for earth boring drills
US3102601A (en) * 1959-04-13 1963-09-03 Phillips Petroleum Co Drill bit
FR1260080A (fr) * 1960-03-22 1961-05-05 Materiel De Forage Soc De Fab Trépan à molettes étanche
US3844363A (en) * 1973-06-11 1974-10-29 E Williams Drill tool

Also Published As

Publication number Publication date
CA1048489A (en) 1979-02-13
SE415380B (sv) 1980-09-29
SE7600320L (sv) 1976-08-30
FR2302408A1 (fr) 1976-09-24
PL100432B1 (pl) 1978-10-31
IT1053907B (it) 1981-10-10
BR7601243A (pt) 1976-09-14
DE2608205A1 (de) 1976-09-09
GB1534445A (en) 1978-12-06

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Legal Events

Date Code Title Description
ST Notification of lapse