ZA823026B - Floating seal for earth boring bit - Google Patents

Floating seal for earth boring bit

Info

Publication number
ZA823026B
ZA823026B ZA823026A ZA823026A ZA823026B ZA 823026 B ZA823026 B ZA 823026B ZA 823026 A ZA823026 A ZA 823026A ZA 823026 A ZA823026 A ZA 823026A ZA 823026 B ZA823026 B ZA 823026B
Authority
ZA
South Africa
Prior art keywords
floating seal
earth boring
boring bit
bit
earth
Prior art date
Application number
ZA823026A
Inventor
Anton F Zahradnik
Original Assignee
Hughes 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 Hughes Tool Co filed Critical Hughes Tool Co
Publication of ZA823026B publication Critical patent/ZA823026B/en

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
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
ZA823026A 1981-05-11 1982-05-03 Floating seal for earth boring bit ZA823026B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US26223981A 1981-05-11 1981-05-11

Publications (1)

Publication Number Publication Date
ZA823026B true ZA823026B (en) 1983-03-30

Family

ID=22996743

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA823026A ZA823026B (en) 1981-05-11 1982-05-03 Floating seal for earth boring bit

Country Status (5)

Country Link
JP (1) JPS57193691A (en)
CA (1) CA1157463A (en)
GB (1) GB2098284B (en)
SE (1) SE8202908L (en)
ZA (1) ZA823026B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5016719A (en) * 1990-01-24 1991-05-21 Western Rock Bit Company Limited Rotary cone type rock bits
US7036613B2 (en) 2003-09-12 2006-05-02 Reedhycalog, L.P. Lip seal for roller cone drill bit
US7347290B2 (en) 2004-06-15 2008-03-25 Smith International, Inc. Multi-part energizer for mechanical seal assembly

Also Published As

Publication number Publication date
SE8202908L (en) 1982-11-12
CA1157463A (en) 1983-11-22
JPS57193691A (en) 1982-11-29
GB2098284B (en) 1985-07-24
GB2098284A (en) 1982-11-17

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