CA2217751A1 - Joint torique pour paliers de trepan tricone, additionne d'agents lubrifiants - Google Patents

Joint torique pour paliers de trepan tricone, additionne d'agents lubrifiants

Info

Publication number
CA2217751A1
CA2217751A1 CA 2217751 CA2217751A CA2217751A1 CA 2217751 A1 CA2217751 A1 CA 2217751A1 CA 2217751 CA2217751 CA 2217751 CA 2217751 A CA2217751 A CA 2217751A CA 2217751 A1 CA2217751 A1 CA 2217751A1
Authority
CA
Canada
Prior art keywords
lubricant additives
ring seal
rock bit
volume
bit bearings
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.)
Granted
Application number
CA 2217751
Other languages
English (en)
Other versions
CA2217751C (fr
Inventor
Zhigang Fang
Steven W. Peterson
Robert Denton
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.)
Smith International Inc
Original Assignee
Individual
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 to PCT/US1995/005783 priority Critical patent/WO1996035765A1/fr
Application filed by Individual filed Critical Individual
Publication of CA2217751A1 publication Critical patent/CA2217751A1/fr
Application granted granted Critical
Publication of CA2217751C publication Critical patent/CA2217751C/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
    • 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
    • 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
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/064—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces the packing combining the sealing function with other functions
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Sealing (AREA)
  • Sealing Devices (AREA)
  • Sealing Material Composition (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Earth Drilling (AREA)
  • Lubricants (AREA)
CA 2217751 1995-05-11 1997-10-08 Joint torique pour paliers de trepan tricone, additionne d'agents lubrifiants Expired - Fee Related CA2217751C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/US1995/005783 WO1996035765A1 (fr) 1995-05-11 1995-05-11 Huile lubrifiante

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US2795096P 1996-10-08 1996-10-08
US60/027,950 1996-10-08

Publications (2)

Publication Number Publication Date
CA2217751A1 true CA2217751A1 (fr) 1998-04-08
CA2217751C CA2217751C (fr) 2004-06-29

Family

ID=21840722

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2217751 Expired - Fee Related CA2217751C (fr) 1995-05-11 1997-10-08 Joint torique pour paliers de trepan tricone, additionne d'agents lubrifiants

Country Status (4)

Country Link
AU (1) AU695451B2 (fr)
CA (1) CA2217751C (fr)
GB (1) GB2318139B (fr)
SE (1) SE9703661D0 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3765495A (en) * 1972-08-02 1973-10-16 G W Murphey Ind Inc Drill bit seals
US5362073A (en) * 1992-10-21 1994-11-08 Smith International, Inc. Composite seal for rotary cone rock bits
US5456327A (en) * 1994-03-08 1995-10-10 Smith International, Inc. O-ring seal for rock bit bearings
US5402858A (en) * 1994-03-11 1995-04-04 Smith International, Inc. O-ring seal for rock bit bearings

Also Published As

Publication number Publication date
GB2318139A (en) 1998-04-15
GB2318139B (en) 2000-12-13
SE9703661D0 (sv) 1997-10-08
AU3998897A (en) 1998-04-23
GB9721257D0 (en) 1997-12-03
AU695451B2 (en) 1998-08-13
CA2217751C (fr) 2004-06-29

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed