ATE329128T1 - Indikator für das versagen des lagers eines rollenbohrmeissels - Google Patents

Indikator für das versagen des lagers eines rollenbohrmeissels

Info

Publication number
ATE329128T1
ATE329128T1 AT01306210T AT01306210T ATE329128T1 AT E329128 T1 ATE329128 T1 AT E329128T1 AT 01306210 T AT01306210 T AT 01306210T AT 01306210 T AT01306210 T AT 01306210T AT E329128 T1 ATE329128 T1 AT E329128T1
Authority
AT
Austria
Prior art keywords
cutters
intermeshing
rows
indicator
cutting inserts
Prior art date
Application number
AT01306210T
Other languages
English (en)
Inventor
Lane P Skyles
Original Assignee
Camco Int Uk Ltd
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 Int Uk Ltd filed Critical Camco Int Uk Ltd
Application granted granted Critical
Publication of ATE329128T1 publication Critical patent/ATE329128T1/de

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
    • E21B10/16—Roller bits characterised by tooth form or arrangement
    • 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
    • E21B12/02—Wear indicators

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)
  • Rolls And Other Rotary Bodies (AREA)
AT01306210T 2000-08-23 2001-07-19 Indikator für das versagen des lagers eines rollenbohrmeissels ATE329128T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22733600P 2000-08-23 2000-08-23

Publications (1)

Publication Number Publication Date
ATE329128T1 true ATE329128T1 (de) 2006-06-15

Family

ID=22852685

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01306210T ATE329128T1 (de) 2000-08-23 2001-07-19 Indikator für das versagen des lagers eines rollenbohrmeissels

Country Status (4)

Country Link
US (1) US6484824B2 (de)
EP (1) EP1182326B1 (de)
AT (1) ATE329128T1 (de)
DE (1) DE60120294D1 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6601661B2 (en) * 2001-09-17 2003-08-05 Baker Hughes Incorporated Secondary cutting structure
US20050109543A1 (en) * 2003-07-01 2005-05-26 George Witman Cutting element arrangement for single roller cone bit
US7370711B2 (en) * 2005-08-15 2008-05-13 Smith International, Inc. Rolling cone drill bit having non-circumferentially arranged cutter elements
US7686104B2 (en) * 2005-08-15 2010-03-30 Smith International, Inc. Rolling cone drill bit having cutter elements positioned in a plurality of differing radial positions
US7621345B2 (en) * 2006-04-03 2009-11-24 Baker Hughes Incorporated High density row on roller cone bit
US7464771B2 (en) * 2006-06-30 2008-12-16 Baker Hughes Incorporated Downhole abrading tool having taggants for indicating excessive wear
US7424910B2 (en) * 2006-06-30 2008-09-16 Baker Hughes Incorporated Downhole abrading tools having a hydrostatic chamber and uses therefor
US7484571B2 (en) * 2006-06-30 2009-02-03 Baker Hughes Incorporated Downhole abrading tools having excessive wear indicator
US7404457B2 (en) * 2006-06-30 2008-07-29 Baker Huges Incorporated Downhole abrading tools having fusible material and methods of detecting tool wear
US9074431B2 (en) 2008-01-11 2015-07-07 Smith International, Inc. Rolling cone drill bit having high density cutting elements
US9169697B2 (en) 2012-03-27 2015-10-27 Baker Hughes Incorporated Identification emitters for determining mill life of a downhole tool and methods of using same
CN106481654A (zh) * 2016-12-10 2017-03-08 北京春仑石油技术开发有限公司 一种带有硬质合金及聚晶金刚石耐磨层的滑动轴承

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3058532A (en) 1953-07-15 1962-10-16 Dresser Ind Drill bit condition indicator and signaling system
US3011566A (en) 1959-11-16 1961-12-05 Jersey Prod Res Co Bearing wear indication for a roller bit
US3062302A (en) 1960-05-09 1962-11-06 Shell Oil Co Indicator device for bearing failures in drill bits
US3363702A (en) 1966-07-27 1968-01-16 Exxon Production Research Co Rock bit dullness indicator
US3678883A (en) * 1970-03-25 1972-07-25 Smith International Worn bearing indicator
US3853184A (en) 1970-09-04 1974-12-10 D Mccullough Means for detecting wear on well drill bits
US3952815A (en) 1975-03-24 1976-04-27 Dresser Industries, Inc. Land erosion protection on a rock cutter
US4346591A (en) 1981-08-21 1982-08-31 Evans Robert F Sensing impending sealed bearing and gage failure
US4436164A (en) 1982-03-10 1984-03-13 Globe Oil Tools, Inc. Lubrication failure detection system
US4548280A (en) 1984-02-15 1985-10-22 Reed Rock Bit Company Drill bit having a failure indicator
US4655300A (en) 1984-02-21 1987-04-07 Exxon Production Research Co. Method and apparatus for detecting wear of a rotatable bit
US4627276A (en) * 1984-12-27 1986-12-09 Schlumberger Technology Corporation Method for measuring bit wear during drilling
US4716977A (en) 1986-04-29 1988-01-05 Dresser Industries, Inc. Specially shaped cutting element for earth boring apparatus
US4730681A (en) * 1986-08-29 1988-03-15 Rock Bit Industries U.S.A., Inc. Rock bit cone lock and method
US4785894A (en) 1988-03-10 1988-11-22 Exxon Production Research Company Apparatus for detecting drill bit wear
US4785895A (en) 1988-03-10 1988-11-22 Exxon Production Research Company Drill bit with wear indicating feature
US4940099A (en) 1989-04-05 1990-07-10 Reed Tool Company Cutting elements for roller cutter drill bits
US4984643A (en) * 1990-03-21 1991-01-15 Hughes Tool Company Anti-balling earth boring bit
US5279374A (en) * 1990-08-17 1994-01-18 Sievers G Kelly Downhole drill bit cone with uninterrupted refractory coating
CA2055399A1 (en) 1991-11-13 1993-05-14 Kenneth M. White Indicating means for a rock bit lubricating system
GB9221453D0 (en) 1992-10-13 1992-11-25 Reed Tool Co Improvements in rolling cutter drill bits
US5415243A (en) 1994-01-24 1995-05-16 Smith International, Inc. Rock bit borhole back reaming method
US5421423A (en) 1994-03-22 1995-06-06 Dresser Industries, Inc. Rotary cone drill bit with improved cutter insert
US5671817A (en) 1995-10-02 1997-09-30 Camco International Inc. Drill bit with dual reaming rows
US5722497A (en) 1996-03-21 1998-03-03 Dresser Industries, Inc. Roller cone gage surface cutting elements with multiple ultra hard cutting surfaces
US5890550A (en) 1997-05-09 1999-04-06 Baker Hughes Incorporation Earth-boring bit with wear-resistant material
CA2348188C (en) * 2000-05-18 2006-08-01 Smith International, Inc. Rolling cone bit with elements fanned along the gage curve
US6374930B1 (en) * 2000-06-08 2002-04-23 Smith International, Inc. Cutting structure for roller cone drill bits

Also Published As

Publication number Publication date
US20020023783A1 (en) 2002-02-28
EP1182326A2 (de) 2002-02-27
EP1182326A3 (de) 2004-03-17
DE60120294D1 (de) 2006-07-20
EP1182326B1 (de) 2006-06-07
US6484824B2 (en) 2002-11-26

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Legal Events

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RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties