GB2083525B - Oil well tool drive shaft bearing - Google Patents

Oil well tool drive shaft bearing

Info

Publication number
GB2083525B
GB2083525B GB8124853A GB8124853A GB2083525B GB 2083525 B GB2083525 B GB 2083525B GB 8124853 A GB8124853 A GB 8124853A GB 8124853 A GB8124853 A GB 8124853A GB 2083525 B GB2083525 B GB 2083525B
Authority
GB
United Kingdom
Prior art keywords
drive shaft
shaft bearing
oil well
well tool
tool drive
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
GB8124853A
Other languages
English (en)
Other versions
GB2083525A (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.)
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 GB2083525A publication Critical patent/GB2083525A/en
Application granted granted Critical
Publication of GB2083525B publication Critical patent/GB2083525B/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
    • 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)
GB8124853A 1980-09-15 1981-08-14 Oil well tool drive shaft bearing Expired GB2083525B (en)

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
GB2083525A GB2083525A (en) 1982-03-24
GB2083525B true GB2083525B (en) 1984-05-02

Family

ID=26882644

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8124853A Expired GB2083525B (en) 1980-09-15 1981-08-14 Oil well tool drive shaft bearing

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
WO1982001029A1 (en) 1982-04-01
NL8104210A (nl) 1982-04-01
FR2490299B1 (OSRAM) 1984-12-28
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
PCNP Patent ceased through non-payment of renewal fee