NL8401844A - Boorbeitel voor het boren in de grond. - Google Patents

Boorbeitel voor het boren in de grond. Download PDF

Info

Publication number
NL8401844A
NL8401844A NL8401844A NL8401844A NL8401844A NL 8401844 A NL8401844 A NL 8401844A NL 8401844 A NL8401844 A NL 8401844A NL 8401844 A NL8401844 A NL 8401844A NL 8401844 A NL8401844 A NL 8401844A
Authority
NL
Netherlands
Prior art keywords
annular groove
scraper
cutting head
drilling
groove
Prior art date
Application number
NL8401844A
Other languages
English (en)
Dutch (nl)
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 NL8401844A publication Critical patent/NL8401844A/nl

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
    • E21B12/00—Accessories for drilling tools
    • E21B12/06—Mechanical cleaning devices
    • 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

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)
NL8401844A 1983-11-28 1984-06-09 Boorbeitel voor het boren in de grond. NL8401844A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/555,735 US4515228A (en) 1983-11-28 1983-11-28 Air groove scraper
US55573583 1983-11-28

Publications (1)

Publication Number Publication Date
NL8401844A true NL8401844A (nl) 1985-06-17

Family

ID=24218411

Family Applications (1)

Application Number Title Priority Date Filing Date
NL8401844A NL8401844A (nl) 1983-11-28 1984-06-09 Boorbeitel voor het boren in de grond.

Country Status (4)

Country Link
US (1) US4515228A (fr)
CA (1) CA1209570A (fr)
NL (1) NL8401844A (fr)
SE (1) SE460495B (fr)

Families Citing this family (20)

* 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
US5016719A (en) * 1990-01-24 1991-05-21 Western Rock Bit Company Limited Rotary cone type rock bits
US4981182A (en) * 1990-01-26 1991-01-01 Dresser Industries, Inc. Sealed rotary blast hole drill bit utilizing air pressure for seal protection
US5056610A (en) * 1990-09-17 1991-10-15 Smith International, Inc. Shale diverting means for a sealed bearing drill bit
US5513715A (en) * 1994-08-31 1996-05-07 Dresser Industries, Inc. Flat seal for a roller cone rock 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
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
US6264367B1 (en) 1995-12-19 2001-07-24 Smith International, Inc. Dual-seal drill bit with fluid cleaning capability
US6196339B1 (en) 1995-12-19 2001-03-06 Smith International, Inc. Dual-seal drill bit pressure communication system
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
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
US7044242B2 (en) * 2001-04-26 2006-05-16 Halliburton Energy Services, Inc. Roller cone bits with reduced packing
US7036613B2 (en) * 2003-09-12 2006-05-02 Reedhycalog, L.P. Lip seal for roller cone drill bit
US7066287B2 (en) * 2004-02-17 2006-06-27 Baker Hughes Incorporated Mud debris diverter for earth-boring bit
US7066286B2 (en) * 2004-03-25 2006-06-27 Baker Hughes Incorporated Gage surface scraper
CN101037928B (zh) * 2006-02-21 2012-09-05 霍利贝顿能源服务公司 具有穿过相关支承臂的岩屑流路的滚子牙轮钻头
US10024107B2 (en) 2012-12-14 2018-07-17 Epiroc Drilling Tools Llc Rotary drill bit

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2769616A (en) * 1953-02-09 1956-11-06 Hughes Tool Co Prevention of mud cutting in earth boring drills
US2960313A (en) * 1957-04-08 1960-11-15 Globe Oil Tools Co Drill bit construction having means for preventing mud-cutting
US3013621A (en) * 1958-07-08 1961-12-19 Chicago Pneumatic Tool Co Scraper for rock bit cutter
US3921735A (en) * 1975-02-27 1975-11-25 Dresser Ind Rotary rock bit with cone mouth air screen
US4096917A (en) * 1975-09-29 1978-06-27 Harris Jesse W Earth drilling knobby bit
US4091988A (en) * 1976-06-21 1978-05-30 Albert G. Bodine Centrifugal trap for solid particles
SE7703810L (sv) * 1977-04-01 1978-10-02 Sandvik Ab Tetningsanordning vid rullborrkronor
US4287957A (en) * 1980-05-27 1981-09-08 Evans Robert F Cooling a drilling tool component with a separate flow stream of reduced-temperature gaseous drilling fluid
US4375242A (en) * 1980-08-11 1983-03-01 Hughes Tool Company Sealed and lubricated rock bit with air protected seal ring

Also Published As

Publication number Publication date
CA1209570A (fr) 1986-08-12
SE8403218D0 (sv) 1984-06-15
SE460495B (sv) 1989-10-16
US4515228A (en) 1985-05-07
SE8403218L (sv) 1985-05-29

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BV The patent application has lapsed