SE8902279D0 - Borrkrona med bakkantsventilation - Google Patents

Borrkrona med bakkantsventilation

Info

Publication number
SE8902279D0
SE8902279D0 SE8902279A SE8902279A SE8902279D0 SE 8902279 D0 SE8902279 D0 SE 8902279D0 SE 8902279 A SE8902279 A SE 8902279A SE 8902279 A SE8902279 A SE 8902279A SE 8902279 D0 SE8902279 D0 SE 8902279D0
Authority
SE
Sweden
Prior art keywords
journal arm
journal
arm
slot
cavity
Prior art date
Application number
SE8902279A
Other languages
English (en)
Other versions
SE8902279L (sv
SE500460C2 (sv
Inventor
T R Dysart
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 SE8902279D0 publication Critical patent/SE8902279D0/sv
Publication of SE8902279L publication Critical patent/SE8902279L/sv
Publication of SE500460C2 publication Critical patent/SE500460C2/sv

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
    • 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
    • E21B10/23—Roller bits characterised by bearing, lubrication or sealing details with drilling fluid supply to the bearings
    • 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
    • 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
    • E21B10/18—Roller bits characterised by conduits or nozzles for drilling fluids
    • 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
    • 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

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)
  • Earth Drilling (AREA)
SE8902279A 1988-06-28 1989-06-22 Borrkrona med bakkantsventilation SE500460C2 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/211,660 US4813502A (en) 1988-06-28 1988-06-28 Drilling bit with improved trailing edge vent

Publications (3)

Publication Number Publication Date
SE8902279D0 true SE8902279D0 (sv) 1989-06-22
SE8902279L SE8902279L (sv) 1989-12-29
SE500460C2 SE500460C2 (sv) 1994-06-27

Family

ID=22787851

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8902279A SE500460C2 (sv) 1988-06-28 1989-06-22 Borrkrona med bakkantsventilation

Country Status (4)

Country Link
US (1) US4813502A (sv)
AU (1) AU611565B2 (sv)
CA (1) CA1320482C (sv)
SE (1) SE500460C2 (sv)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4813502A (en) * 1988-06-28 1989-03-21 Dresser Industries, Inc. Drilling bit with improved trailing edge vent
US5595255A (en) * 1994-08-08 1997-01-21 Dresser Industries, Inc. Rotary cone drill bit with improved support arms
US5606895A (en) * 1994-08-08 1997-03-04 Dresser Industries, Inc. Method for manufacture and rebuild a rotary drill bit
US5513711A (en) * 1994-08-31 1996-05-07 Williams; Mark E. Sealed and lubricated rotary cone drill bit having improved seal protection
US5441120A (en) * 1994-08-31 1995-08-15 Dresser Industries, Inc. Roller cone rock bit having a sealing system with double elastomer seals
US5513715A (en) * 1994-08-31 1996-05-07 Dresser Industries, Inc. Flat seal for a roller cone rock bit
US5547033A (en) * 1994-12-07 1996-08-20 Dresser Industries, Inc. Rotary cone drill bit and method for enhanced lifting of fluids and cuttings
US5755297A (en) * 1994-12-07 1998-05-26 Dresser Industries, Inc. Rotary cone drill bit with integral stabilizers
US5553681A (en) * 1994-12-07 1996-09-10 Dresser Industries, Inc. Rotary cone drill bit with angled ramps
US5636700A (en) 1995-01-03 1997-06-10 Dresser Industries, Inc. Roller cone rock bit having improved cutter gauge face surface compacts and a method of construction
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
US5709278A (en) 1996-01-22 1998-01-20 Dresser Industries, Inc. Rotary cone drill bit with contoured inserts and compacts
US5722497A (en) 1996-03-21 1998-03-03 Dresser Industries, Inc. Roller cone gage surface cutting elements with multiple ultra hard cutting surfaces
US6131676A (en) * 1997-10-06 2000-10-17 Excavation Engineering Associates, Inc. Small disc cutter, and drill bits, cutterheads, and tunnel boring machines employing such rolling disc cutters
US6026917A (en) * 1997-12-18 2000-02-22 Baker Hughes Incorporated Earth-boring bit with improved bearing seal
US7117961B2 (en) 2003-07-31 2006-10-10 Smith International, Inc. Dynamic seal with soft interface
US7347290B2 (en) * 2004-06-15 2008-03-25 Smith International, Inc. Multi-part energizer for mechanical seal assembly
US7188691B2 (en) * 2004-06-15 2007-03-13 Smith International, Inc. Metal seal with impact-absorbing ring
US7461708B2 (en) * 2004-08-16 2008-12-09 Smith International, Inc. Elastomeric seal assembly having auxiliary annular seal components
US20060065445A1 (en) * 2004-09-28 2006-03-30 Smith International, Inc. Rock-bit seals with asymmetric contact profiles
AU2012396853B2 (en) 2012-12-14 2018-04-05 Epiroc Drilling Tools Llc Rotary drill bit
US10689912B1 (en) 2019-12-12 2020-06-23 PDB Tools, Inc. Sealed bearing rock bit with a low profile seal
CN111594054B (zh) * 2020-06-06 2021-07-23 胜利油田万和石油工程技术有限责任公司 一种防堵pdc钻头及使用方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3534823A (en) * 1969-02-28 1970-10-20 Murphy Ind Inc G W Drill bit
US3921735A (en) * 1975-02-27 1975-11-25 Dresser Ind Rotary rock bit with cone mouth air screen
US4193463A (en) * 1977-04-27 1980-03-18 Smith International, Inc. Drilling bit fluid-cooled friction bearing
US4375242A (en) * 1980-08-11 1983-03-01 Hughes Tool Company Sealed and lubricated rock bit with air protected seal ring
US4386668A (en) * 1980-09-19 1983-06-07 Hughes Tool Company Sealed lubricated and air cooled rock bit bearing
US4421184A (en) * 1981-12-04 1983-12-20 Hughes Tool Company Rock bit with improved shirttail ventilation
US4515228A (en) * 1983-11-28 1985-05-07 Hughes Tool Company - Usa Air groove scraper
US4516640A (en) * 1983-12-08 1985-05-14 Santrade Ltd. Rotary drill bit
US4688651A (en) * 1986-03-21 1987-08-25 Dresser Industries, Inc. Cone mouth debris exclusion shield
US4813502A (en) * 1988-06-28 1989-03-21 Dresser Industries, Inc. Drilling bit with improved trailing edge vent

Also Published As

Publication number Publication date
CA1320482C (en) 1993-07-20
US4813502A (en) 1989-03-21
SE8902279L (sv) 1989-12-29
SE500460C2 (sv) 1994-06-27
AU3603189A (en) 1990-01-04
AU611565B2 (en) 1991-06-13

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