ZA816919B - Rotary drill bit - Google Patents

Rotary drill bit

Info

Publication number
ZA816919B
ZA816919B ZA816919A ZA816919A ZA816919B ZA 816919 B ZA816919 B ZA 816919B ZA 816919 A ZA816919 A ZA 816919A ZA 816919 A ZA816919 A ZA 816919A ZA 816919 B ZA816919 B ZA 816919B
Authority
ZA
South Africa
Prior art keywords
drill bit
rotary drill
rotary
bit
drill
Prior art date
Application number
ZA816919A
Other languages
English (en)
Inventor
Lars Gosta Norlander
Erik Torsten Brask
Rolf Ragnar Moren
Original Assignee
Sandvik Ab
Skf Ab
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 Sandvik Ab, Skf Ab filed Critical Sandvik Ab
Publication of ZA816919B publication Critical patent/ZA816919B/xx

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
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/49—Bearings with both balls and rollers
    • 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
    • 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
    • E21B10/24—Roller bits characterised by bearing, lubrication or sealing details characterised by 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
    • F16C19/34—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 both radial and axial load
    • F16C19/38—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 both radial and axial load with two or more rows of rollers
    • 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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/34—Rollers; Needles
    • 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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/66—Special parts or details in view of lubrication
    • F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
    • F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
    • 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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/66—Special parts or details in view of lubrication
    • F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
    • F16C33/6688—Lubricant compositions or properties, e.g. viscosity
    • F16C33/6692—Liquids other than oil, e.g. water, refrigerants, liquid metal
    • 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
    • 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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/34—Rollers; Needles
    • F16C33/36—Rollers; Needles with bearing-surfaces other than cylindrical, e.g. tapered; with grooves in the bearing surfaces
    • F16C33/366—Tapered rollers, i.e. rollers generally shaped as truncated cones

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
ZA816919A 1980-12-03 1981-10-06 Rotary drill bit ZA816919B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8008471A SE424756B (sv) 1980-12-03 1980-12-03 Bergborrkrona med kylning

Publications (1)

Publication Number Publication Date
ZA816919B true ZA816919B (en) 1982-09-29

Family

ID=20342383

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA816919A ZA816919B (en) 1980-12-03 1981-10-06 Rotary drill bit

Country Status (8)

Country Link
US (1) US4427307A (pt)
EP (1) EP0065525B1 (pt)
AU (1) AU542997B2 (pt)
BR (1) BR8107753A (pt)
CA (1) CA1171071A (pt)
SE (1) SE424756B (pt)
WO (1) WO1982001910A1 (pt)
ZA (1) ZA816919B (pt)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4516640A (en) * 1983-12-08 1985-05-14 Santrade Ltd. Rotary drill bit
US5370330A (en) * 1991-02-28 1994-12-06 Daiwa Seiko, Inc. One-way clutch for a fishing reel with an improved contact surface configuration
US6264367B1 (en) 1995-12-19 2001-07-24 Smith International, Inc. Dual-seal drill bit with fluid cleaning capability
US6254275B1 (en) 1995-12-19 2001-07-03 Smith International, Inc. Sealed bearing drill bit with dual-seal configuration and fluid-cleaning capability
US6033117A (en) * 1995-12-19 2000-03-07 Smith International, Inc. Sealed bearing drill bit with dual-seal configuration
SE516079C2 (sv) * 1998-12-18 2001-11-12 Sandvik Ab Rullborrkrona
US6802380B2 (en) * 2001-08-31 2004-10-12 Halliburton Energy Services Inc. Pressure relief system and methods of use and making
US8464813B2 (en) * 2006-06-20 2013-06-18 Atlas Copco Secoroc Llc Cutter assembly for a raise boring reamer
US7975782B2 (en) * 2006-08-18 2011-07-12 Atlas Copco Secoroc Llc Earth bit having a pressure relief valve
US7992657B2 (en) 2006-08-18 2011-08-09 Atlas Copco Secoroc Llc Earth bit having a wear ring
US20080041633A1 (en) * 2006-08-18 2008-02-21 Atlas Copco Secoroc Llc Earth bit having a screen
US20080041632A1 (en) * 2006-08-18 2008-02-21 Atlas Copco Secoroc Llc Earth bit having a retaining ring
US20080041635A1 (en) * 2006-08-18 2008-02-21 Atlas Copco Secoroc Llc Seal for an earth bit
US20090078343A1 (en) * 2007-09-24 2009-03-26 Atlas Copco Secoroc Llc Earthboring tool and method of casehardening
US7798254B2 (en) * 2008-01-03 2010-09-21 Atlas Copco Secoroc Llc Earth bit with hub and thrust units
US8353369B2 (en) 2008-08-06 2013-01-15 Atlas Copco Secoroc, LLC Percussion assisted rotary earth bit and method of operating the same
US8763728B2 (en) * 2008-08-06 2014-07-01 Atlas Copco Secoroc, LLC Percussion assisted rotary earth bit and method of operating the same
RU2479708C1 (ru) * 2011-12-16 2013-04-20 Николай Митрофанович Панин Буровое шарошечное долото
EP2990588B1 (en) * 2014-08-28 2020-04-01 Sandvik Intellectual Property AB By-pass fluid passageway for drill bit
US10119335B2 (en) * 2016-02-18 2018-11-06 Baker Hughes Incorporated Bearings for downhole tools, downhole tools incorporating such bearings, and related methods

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2152125A1 (de) * 1971-01-20 1972-07-27 Rollway Bearing Co Inc Rolle fuer ein Waelzlager
SE412088B (sv) * 1977-06-03 1980-02-18 Sandvik Ab Lageranordning vid roterande borrkronor
US4232914A (en) * 1979-02-26 1980-11-11 The Torrington Company Hollow roller tapered bearing
SE428139B (sv) * 1979-03-28 1983-06-06 Sandvik Ab Bergborrkrona

Also Published As

Publication number Publication date
BR8107753A (pt) 1982-08-31
US4427307A (en) 1984-01-24
EP0065525A1 (en) 1982-12-01
AU542997B2 (en) 1985-03-28
SE424756B (sv) 1982-08-09
SE8008471L (sv) 1982-06-04
EP0065525B1 (en) 1985-09-18
CA1171071A (en) 1984-07-17
AU7615981A (en) 1982-06-10
WO1982001910A1 (en) 1982-06-10

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