FR2490299B1 - - Google Patents

Info

Publication number
FR2490299B1
FR2490299B1 FR8117418A FR8117418A FR2490299B1 FR 2490299 B1 FR2490299 B1 FR 2490299B1 FR 8117418 A FR8117418 A FR 8117418A FR 8117418 A FR8117418 A FR 8117418A FR 2490299 B1 FR2490299 B1 FR 2490299B1
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
FR8117418A
Other languages
French (fr)
Other versions
FR2490299A1 (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.)
Norton Christensen Inc
Original Assignee
Christensen 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
Priority claimed from US06/187,011 external-priority patent/US4577704A/en
Priority claimed from US06/192,280 external-priority patent/US4361194A/en
Application filed by Christensen Inc filed Critical Christensen Inc
Publication of FR2490299A1 publication Critical patent/FR2490299A1/fr
Application granted granted Critical
Publication of FR2490299B1 publication Critical patent/FR2490299B1/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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/003—Bearing, sealing, 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)
FR8117418A 1980-09-15 1981-09-15 Chaise de palier pour l'arbre d'entrainement d'outils de forage profond Granted FR2490299A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/187,011 US4577704A (en) 1980-09-15 1980-09-15 Bearing system for a downhole motor
US06/192,280 US4361194A (en) 1980-09-30 1980-09-30 Bearing system for a downhole motor

Publications (2)

Publication Number Publication Date
FR2490299A1 FR2490299A1 (fr) 1982-03-19
FR2490299B1 true FR2490299B1 (OSRAM) 1984-12-28

Family

ID=26882644

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8117418A Granted FR2490299A1 (fr) 1980-09-15 1981-09-15 Chaise de palier pour l'arbre d'entrainement d'outils de forage profond

Country Status (6)

Country Link
JP (1) JPS57501388A (OSRAM)
DE (1) DE3132137A1 (OSRAM)
FR (1) FR2490299A1 (OSRAM)
GB (1) GB2083525B (OSRAM)
NL (1) NL8104210A (OSRAM)
WO (1) WO1982001029A1 (OSRAM)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011091500A1 (en) * 2010-01-28 2011-08-04 Halliburton Energy Services, Inc. Bearing assembly
US10017992B2 (en) * 2016-11-04 2018-07-10 Ashmin Holding Llc Radial ball bearing and method

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2990894A (en) * 1958-10-20 1961-07-04 Joseph A Mitchell Turbodrill
US3456746A (en) * 1967-12-12 1969-07-22 Smith International Flow restricting and metering radial bearing for drilling tools
FR2040896A5 (OSRAM) * 1969-04-25 1971-01-22 Alsthom
US3807513A (en) * 1973-02-05 1974-04-30 Atlantic Richfield Co Downhole drilling tool bearing and seal assembly
US3879094A (en) * 1973-08-15 1975-04-22 Smith International Radial Bearings
US3971450A (en) * 1975-01-31 1976-07-27 Engineering Enterprises, Inc. Well drilling tool
US4260031A (en) * 1979-09-14 1981-04-07 Dresser Industries, Inc. Solids diverter for a downhole drilling motor

Also Published As

Publication number Publication date
DE3132137A1 (de) 1982-04-08
GB2083525B (en) 1984-05-02
WO1982001029A1 (en) 1982-04-01
NL8104210A (nl) 1982-04-01
GB2083525A (en) 1982-03-24
FR2490299A1 (fr) 1982-03-19
JPS57501388A (OSRAM) 1982-08-05

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse