CA2397335C - Ensemble de roulements pour moteur a boue - Google Patents

Ensemble de roulements pour moteur a boue Download PDF

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Publication number
CA2397335C
CA2397335C CA 2397335 CA2397335A CA2397335C CA 2397335 C CA2397335 C CA 2397335C CA 2397335 CA2397335 CA 2397335 CA 2397335 A CA2397335 A CA 2397335A CA 2397335 C CA2397335 C CA 2397335C
Authority
CA
Canada
Prior art keywords
deployed
housing
mandrel
bearing
sealing ring
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 - Fee Related
Application number
CA 2397335
Other languages
English (en)
Other versions
CA2397335A1 (fr
Inventor
Winston Smith
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.)
Schlumberger Canada Ltd
Original Assignee
Smith International 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 Smith International Inc filed Critical Smith International Inc
Priority to CA 2397335 priority Critical patent/CA2397335C/fr
Publication of CA2397335A1 publication Critical patent/CA2397335A1/fr
Application granted granted Critical
Publication of CA2397335C publication Critical patent/CA2397335C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • E21B4/02—Fluid rotary type drives

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)
  • Rolling Contact Bearings (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
CA 2397335 2002-08-09 2002-08-09 Ensemble de roulements pour moteur a boue Expired - Fee Related CA2397335C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2397335 CA2397335C (fr) 2002-08-09 2002-08-09 Ensemble de roulements pour moteur a boue

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2397335 CA2397335C (fr) 2002-08-09 2002-08-09 Ensemble de roulements pour moteur a boue

Publications (2)

Publication Number Publication Date
CA2397335A1 CA2397335A1 (fr) 2004-02-09
CA2397335C true CA2397335C (fr) 2010-01-19

Family

ID=31501592

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2397335 Expired - Fee Related CA2397335C (fr) 2002-08-09 2002-08-09 Ensemble de roulements pour moteur a boue

Country Status (1)

Country Link
CA (1) CA2397335C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6805608B2 (ja) * 2016-07-27 2020-12-23 株式会社ジェイテクト 組み合わせ軸受

Also Published As

Publication number Publication date
CA2397335A1 (fr) 2004-02-09

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20190809