ZM581A1 - Improved rock bit - Google Patents

Improved rock bit

Info

Publication number
ZM581A1
ZM581A1 ZM5/81A ZM581A ZM581A1 ZM 581 A1 ZM581 A1 ZM 581A1 ZM 5/81 A ZM5/81 A ZM 5/81A ZM 581 A ZM581 A ZM 581A ZM 581 A1 ZM581 A1 ZM 581A1
Authority
ZM
Zambia
Prior art keywords
rock bit
improved rock
improved
bit
rock
Prior art date
Application number
ZM5/81A
Original Assignee
Dresser Ind
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 Dresser Ind filed Critical Dresser Ind
Publication of ZM581A1 publication Critical patent/ZM581A1/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
    • 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
    • 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
    • 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)
  • 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)
  • General Engineering & Computer Science (AREA)
  • Earth Drilling (AREA)
ZM5/81A 1980-01-24 1981-01-20 Improved rock bit ZM581A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/114,919 US4280571A (en) 1980-01-24 1980-01-24 Rock bit

Publications (1)

Publication Number Publication Date
ZM581A1 true ZM581A1 (en) 1981-10-21

Family

ID=22358233

Family Applications (1)

Application Number Title Priority Date Filing Date
ZM5/81A ZM581A1 (en) 1980-01-24 1981-01-20 Improved rock bit

Country Status (5)

Country Link
US (1) US4280571A (en)
AU (1) AU538050B2 (en)
CA (1) CA1146157A (en)
ZA (1) ZA808114B (en)
ZM (1) ZM581A1 (en)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE423644B (en) * 1980-09-26 1982-05-17 Sandvik Ab DEVICE FOR SMORJNING AB BERGBORRKRONOR
US4421184A (en) * 1981-12-04 1983-12-20 Hughes Tool Company Rock bit with improved shirttail ventilation
US4492415A (en) * 1982-03-03 1985-01-08 Skf Industries, Inc. Unitary full complement bearing components containing rolling elements in a self-supporting lubricating matrix
US5485888A (en) * 1993-05-17 1996-01-23 R. H. Woods, Ltd. Spherical reaming bit
US5452771A (en) * 1994-03-31 1995-09-26 Dresser Industries, Inc. Rotary drill bit with improved cutter and seal protection
US5429200A (en) * 1994-03-31 1995-07-04 Dresser Industries, Inc. Rotary drill bit with improved cutter
US5606895A (en) * 1994-08-08 1997-03-04 Dresser Industries, Inc. Method for manufacture and rebuild a rotary drill bit
US5595255A (en) * 1994-08-08 1997-01-21 Dresser Industries, Inc. Rotary cone drill bit with improved support arms
US5439068B1 (en) * 1994-08-08 1997-01-14 Dresser Ind Modular rotary drill bit
US5439067B1 (en) * 1994-08-08 1997-03-04 Dresser Ind Rock bit with enhanced fluid return area
US5553681A (en) * 1994-12-07 1996-09-10 Dresser Industries, Inc. Rotary cone drill bit with angled ramps
US5755297A (en) * 1994-12-07 1998-05-26 Dresser Industries, Inc. Rotary cone drill bit with integral stabilizers
US5547033A (en) * 1994-12-07 1996-08-20 Dresser Industries, Inc. Rotary cone drill bit and method for enhanced lifting of fluids and cuttings
US5641029A (en) * 1995-06-06 1997-06-24 Dresser Industries, Inc. Rotary cone drill bit modular arm
USD384084S (en) * 1995-09-12 1997-09-23 Dresser Industries, Inc. Rotary cone drill bit
WO1999018326A1 (en) * 1997-10-06 1999-04-15 Excavation Engineering Associates, Inc. Small disc cutters, and drill bits, cutterheads, and tunnel boring machines employing such rolling disc cutters
WO1999037879A1 (en) 1998-01-26 1999-07-29 Dresser Industries, Inc. Rotary cone drill bit with enhanced journal bushing
EP1051561B1 (en) 1998-01-26 2003-08-06 Halliburton Energy Services, Inc. Rotary cone drill bit with enhanced thrust bearing flange
WO1999039075A1 (en) 1998-01-30 1999-08-05 Dresser Industries, Inc. Rotary cone drill bit having a ball plug weld with hardfacing
AU2571699A (en) 1998-02-06 1999-08-23 Dresser Industries Inc. Roller cone drill bit with improved thrust bearing assembly
EP1066447B1 (en) 1998-03-26 2004-08-18 Halliburton Energy Services, Inc. Rotary cone drill bit with improved bearing system
US7036613B2 (en) * 2003-09-12 2006-05-02 Reedhycalog, L.P. Lip seal for roller cone drill bit
AU2004214512B2 (en) * 2003-09-24 2009-05-07 Sandvik Intellectual Property Ab Bearing and lubrication system for earth boring bit
US7241049B2 (en) * 2004-12-03 2007-07-10 Baker Hughes Incorporated Micropore engagement surfaces for earth boring bit
US20070014495A1 (en) * 2005-07-15 2007-01-18 Baker Hughes Incorporated System, method, and apparatus for reducing residual stress in as-welded roller cone bit ball plug welds
WO2008028131A2 (en) 2006-09-01 2008-03-06 Halliburton Energy Services, Inc. Roller cone drill bits with improved fluid flow
US10465460B2 (en) 2017-06-27 2019-11-05 Barbco, Inc. Cutting assembly for a boring device
US10180031B2 (en) * 2014-03-06 2019-01-15 Barbco, Inc. Apparatus and method for drilling generally horizontal underground boreholes
US10526846B2 (en) 2014-03-06 2020-01-07 Barbco, Inc. Material exhaust connection for horizontal bore

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1141962B (en) * 1961-09-28 1963-01-03 Karl Guenther Bechem Bearing for roller drill
US3547819A (en) * 1964-04-28 1970-12-15 Joseph E Ferri Lubricating composition
FR1407776A (en) * 1964-06-24 1965-08-06 Aquitaine Petrole Improvements to roller bits used for drilling
US3952815A (en) * 1975-03-24 1976-04-27 Dresser Industries, Inc. Land erosion protection on a rock cutter
US4193463A (en) * 1977-04-27 1980-03-18 Smith International, Inc. Drilling bit fluid-cooled friction bearing
DE2756964C2 (en) * 1977-12-21 1986-01-30 SKF GmbH, 8720 Schweinfurt Roller bit with several cutting rollers

Also Published As

Publication number Publication date
AU538050B2 (en) 1984-07-26
CA1146157A (en) 1983-05-10
ZA808114B (en) 1982-01-27
AU6564880A (en) 1981-07-30
US4280571A (en) 1981-07-28

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