DK78078A - Drev med tryklejer - Google Patents

Drev med tryklejer

Info

Publication number
DK78078A
DK78078A DK78078A DK78078A DK78078A DK 78078 A DK78078 A DK 78078A DK 78078 A DK78078 A DK 78078A DK 78078 A DK78078 A DK 78078A DK 78078 A DK78078 A DK 78078A
Authority
DK
Denmark
Prior art keywords
drive
pressure bearings
bearings
pressure
Prior art date
Application number
DK78078A
Other languages
English (en)
Inventor
M A Garrison
Original Assignee
Empire Oil 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 Empire Oil Tool Co filed Critical Empire Oil Tool Co
Publication of DK78078A publication Critical patent/DK78078A/da

Links

Classifications

    • 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
    • F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
    • F16C41/02—Arrangements for equalising the load on a plurality of bearings or their elements
    • 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
    • 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
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • F16C19/30—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for axial load mainly
    • 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
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/54—Systems consisting of a plurality of bearings with rolling friction
    • 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)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Physics & Mathematics (AREA)
  • Earth Drilling (AREA)
  • Sliding-Contact Bearings (AREA)
  • Support Of The Bearing (AREA)
  • Rolling Contact Bearings (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Motor Or Generator Frames (AREA)
DK78078A 1977-03-09 1978-02-21 Drev med tryklejer DK78078A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/775,828 US4086788A (en) 1977-03-09 1977-03-09 Drive having a plurality of thrust bearings

Publications (1)

Publication Number Publication Date
DK78078A true DK78078A (da) 1978-09-10

Family

ID=25105634

Family Applications (1)

Application Number Title Priority Date Filing Date
DK78078A DK78078A (da) 1977-03-09 1978-02-21 Drev med tryklejer

Country Status (14)

Country Link
US (1) US4086788A (da)
JP (1) JPS586837B2 (da)
AT (1) AT357971B (da)
AU (1) AU518052B2 (da)
BE (1) BE864649A (da)
CA (1) CA1076551A (da)
DE (1) DE2810048C2 (da)
DK (1) DK78078A (da)
FR (1) FR2383356A1 (da)
GB (1) GB1585756A (da)
IT (1) IT1102504B (da)
NL (1) NL7802374A (da)
NO (1) NO154200C (da)
SE (1) SE7801953L (da)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4257245A (en) * 1979-09-13 1981-03-24 Well Control, Inc. Compression shock absorber device
US4320929A (en) * 1980-08-20 1982-03-23 Oncor Corporation Sealed bearing system for hydraulically operated devices
SE439047B (sv) * 1983-05-24 1985-05-28 Skf Nova Ab Forspenningsanordning vid ett vinkelkontaktlager
JPS59224719A (ja) * 1983-06-06 1984-12-17 Nippon Steel Corp 重防食被覆鋼矢板
JPS59224717A (ja) * 1983-06-06 1984-12-17 Nippon Steel Corp 防食被覆鋼矢板の製造法
JPS59224718A (ja) * 1983-06-06 1984-12-17 Nippon Steel Corp 防食被覆鋼矢板
US5074681A (en) * 1991-01-15 1991-12-24 Teleco Oilfield Services Inc. Downhole motor and bearing assembly

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2756022A (en) * 1953-05-25 1956-07-24 Thomas E Reed Shock absorber coupling for rotary drill stem
DE1170717B (de) * 1958-06-28 1964-05-21 Krauss Maffei Ag Laengslager fuer hohe Druecke
FR1535451A (fr) * 1966-07-01 1968-08-09 Inst Francais Du Petrole Butée à billes pour turbine de forage
US3594106A (en) * 1969-05-09 1971-07-20 Empire Oil Tool Co Variable speed motor drill
US3879094A (en) * 1973-08-15 1975-04-22 Smith International Radial Bearings
US3966369A (en) * 1975-03-06 1976-06-29 Empire Oil Tool Company Inlet and outlet ports and sealing means for a fluid driven motor
US3986370A (en) * 1975-04-07 1976-10-19 Empire Oil Tool Company Apparatus for connecting motors in tandem

Also Published As

Publication number Publication date
DE2810048C2 (de) 1983-09-15
IT7848327A0 (it) 1978-03-07
JPS586837B2 (ja) 1983-02-07
NL7802374A (nl) 1978-09-12
AU3368978A (en) 1979-09-06
SE7801953L (sv) 1978-09-10
FR2383356B1 (da) 1984-03-02
IT1102504B (it) 1985-10-07
NO154200B (no) 1986-04-28
JPS53131201A (en) 1978-11-15
ATA152778A (de) 1980-01-15
GB1585756A (en) 1981-03-11
BE864649A (fr) 1978-09-07
DE2810048A1 (de) 1978-09-14
NO154200C (no) 1986-08-06
FR2383356A1 (fr) 1978-10-06
CA1076551A (en) 1980-04-29
AT357971B (de) 1980-08-11
AU518052B2 (en) 1981-09-10
US4086788A (en) 1978-05-02
NO780796L (no) 1978-09-12

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Legal Events

Date Code Title Description
AHS Application shelved for other reasons than non-payment
AHB Application shelved due to non-payment