DE69610012D1 - Rollenbohrmeissel - Google Patents

Rollenbohrmeissel

Info

Publication number
DE69610012D1
DE69610012D1 DE69610012T DE69610012T DE69610012D1 DE 69610012 D1 DE69610012 D1 DE 69610012D1 DE 69610012 T DE69610012 T DE 69610012T DE 69610012 T DE69610012 T DE 69610012T DE 69610012 D1 DE69610012 D1 DE 69610012D1
Authority
DE
Germany
Prior art keywords
drill bit
roller drill
roller
bit
drill
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69610012T
Other languages
English (en)
Inventor
David E Pearce
James C Walter
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Camco International Inc
Original Assignee
Camco International Inc
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 Camco International Inc filed Critical Camco International Inc
Application granted granted Critical
Publication of DE69610012D1 publication Critical patent/DE69610012D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • E21B10/18—Roller bits characterised by conduits or nozzles for drilling fluids

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)
DE69610012T 1995-04-13 1996-03-22 Rollenbohrmeissel Expired - Lifetime DE69610012D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9507703.8A GB9507703D0 (en) 1995-04-13 1995-04-13 Flow channels

Publications (1)

Publication Number Publication Date
DE69610012D1 true DE69610012D1 (de) 2000-10-05

Family

ID=10773030

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69610012T Expired - Lifetime DE69610012D1 (de) 1995-04-13 1996-03-22 Rollenbohrmeissel

Country Status (4)

Country Link
US (1) US5676214A (de)
EP (1) EP0737797B1 (de)
DE (1) DE69610012D1 (de)
GB (1) GB9507703D0 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5992763A (en) * 1997-08-06 1999-11-30 Vortexx Group Incorporated Nozzle and method for enhancing fluid entrainment
US5941461A (en) * 1997-09-29 1999-08-24 Vortexx Group Incorporated Nozzle assembly and method for enhancing fluid entrainment
US6098728A (en) * 1998-03-27 2000-08-08 Baker Hughes Incorporated Rock bit nozzle arrangement
US6290006B1 (en) 1998-09-29 2001-09-18 Halliburton Engrey Service Inc. Apparatus and method for a roller bit using collimated jets sweeping separate bottom-hole tracks
US6347676B1 (en) 2000-04-12 2002-02-19 Schlumberger Technology Corporation Tooth type drill bit with secondary cutting elements and stress reducing tooth geometry
US6763902B2 (en) * 2000-04-12 2004-07-20 Smith International, Inc. Rockbit with attachable device for improved cone cleaning
CN1174158C (zh) * 2000-06-29 2004-11-03 江汉石油钻头股份有限公司 一种具有并列镶齿的牙轮钻头
US7828089B2 (en) * 2007-12-14 2010-11-09 Baker Hughes Incorporated Erosion resistant fluid passageways and flow tubes for earth-boring tools, methods of forming the same and earth-boring tools including the same
US8252225B2 (en) 2009-03-04 2012-08-28 Baker Hughes Incorporated Methods of forming erosion-resistant composites, methods of using the same, and earth-boring tools utilizing the same in internal passageways
US8607899B2 (en) 2011-02-18 2013-12-17 National Oilwell Varco, L.P. Rock bit and cutter teeth geometries
RU2673647C2 (ru) * 2015-08-11 2018-11-28 Сергей Георгиевич Фурсин Наддолотный эжекторный насос
US10337254B2 (en) * 2015-12-04 2019-07-02 PDB Tools, Inc. Tungsten carbide insert bit with milled steel teeth

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1784476A (en) * 1929-01-05 1930-12-09 Zublin Cleaning device for rotary drilling tools
US1990007A (en) * 1930-10-20 1935-02-05 James W Sperry Rotary rock bit
US2108955A (en) * 1936-06-02 1938-02-22 John A Zublin Fluid passage for drilling tools
US2886293A (en) * 1955-01-10 1959-05-12 Charles J Carr Directional well bore roller bit
US2939684A (en) * 1957-03-22 1960-06-07 Hughes Tool Co Cutter for well drills
GB1104310A (en) * 1966-10-07 1968-02-21 Shell Int Research Rotary drilling bit
US3618682A (en) * 1969-10-24 1971-11-09 Sun Oil Co Method and apparatus for drilling
DE2703724C3 (de) * 1977-01-29 1980-02-21 Skf Kugellagerfabriken Gmbh, 8720 Schweinfurt Einrichtung zum Schmieren der Lager von Rollenmeißeln mittels der beim Bohren verwendeten Spülflüssigkeit
US4516642A (en) * 1980-03-24 1985-05-14 Reed Rock Bit Company Drill bit having angled nozzles for improved bit and well bore cleaning
US4546837A (en) * 1980-03-24 1985-10-15 Reed Tool Company Drill bit having angled nozzles for improved bit and well bore cleaning
US4320808A (en) * 1980-06-24 1982-03-23 Garrett Wylie P Rotary drill bit
SU1469080A1 (ru) * 1985-07-17 1989-03-30 С.М.Бодров и Н.И.Ивановска Шарошка бурового долота
US5096005A (en) * 1990-03-30 1992-03-17 Camco International Inc. Hydraulic action for rotary drill bits

Also Published As

Publication number Publication date
GB9507703D0 (en) 1995-05-31
EP0737797A2 (de) 1996-10-16
US5676214A (en) 1997-10-14
EP0737797B1 (de) 2000-08-30
EP0737797A3 (de) 1997-10-08

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Legal Events

Date Code Title Description
8332 No legal effect for de