IT1231991B - Scalpello di trivella a rulli con boccola pilota a spinta radiale incorporante un materiale antiusura - Google Patents

Scalpello di trivella a rulli con boccola pilota a spinta radiale incorporante un materiale antiusura

Info

Publication number
IT1231991B
IT1231991B IT8948367A IT4836789A IT1231991B IT 1231991 B IT1231991 B IT 1231991B IT 8948367 A IT8948367 A IT 8948367A IT 4836789 A IT4836789 A IT 4836789A IT 1231991 B IT1231991 B IT 1231991B
Authority
IT
Italy
Prior art keywords
incorporating
wear material
radial push
roller boring
chisel
Prior art date
Application number
IT8948367A
Other languages
English (en)
Other versions
IT8948367A0 (it
Inventor
James W Langford Jr
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 IT8948367A0 publication Critical patent/IT8948367A0/it
Application granted granted Critical
Publication of IT1231991B publication Critical patent/IT1231991B/it

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
    • 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
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/12—Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
    • F16C33/121—Use of special materials
    • 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
    • F16C21/00—Combinations of sliding-contact bearings with ball or roller bearings, for exclusively rotary movement
    • 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)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
IT8948367A 1988-09-19 1989-09-14 Scalpello di trivella a rulli con boccola pilota a spinta radiale incorporante un materiale antiusura IT1231991B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/246,513 US4875532A (en) 1988-09-19 1988-09-19 Roller drill bit having radial-thrust pilot bushing incorporating anti-galling material

Publications (2)

Publication Number Publication Date
IT8948367A0 IT8948367A0 (it) 1989-09-14
IT1231991B true IT1231991B (it) 1992-01-22

Family

ID=22930998

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8948367A IT1231991B (it) 1988-09-19 1989-09-14 Scalpello di trivella a rulli con boccola pilota a spinta radiale incorporante un materiale antiusura

Country Status (5)

Country Link
US (1) US4875532A (it)
CA (1) CA1319930C (it)
GB (1) GB2225362B (it)
IE (1) IE63035B1 (it)
IT (1) IT1231991B (it)

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US5188462A (en) * 1990-03-02 1993-02-23 Smith International Inc. Lubricant system for a rotary cone rock bit
US5265964A (en) * 1990-03-02 1993-11-30 Smith International, Inc. Lubricant system for a rotary cone rock bit
US5148879A (en) * 1992-06-17 1992-09-22 Smith International, Inc. Spindle cap bearing for rotary cone rock bits
US5593231A (en) * 1995-01-17 1997-01-14 Dresser Industries, Inc. Hydrodynamic bearing
US5586611A (en) * 1995-10-13 1996-12-24 Cypress Services, Inc. Drill bit having dual split bushings for cutter support and retention
US6264367B1 (en) 1995-12-19 2001-07-24 Smith International, Inc. Dual-seal drill bit with fluid cleaning capability
US6033117A (en) * 1995-12-19 2000-03-07 Smith International, Inc. Sealed bearing drill bit with dual-seal configuration
US6254275B1 (en) 1995-12-19 2001-07-03 Smith International, Inc. Sealed bearing drill bit with dual-seal configuration and fluid-cleaning capability
US5794726A (en) * 1996-04-24 1998-08-18 Dresser Indistries Rotary rock bit with infiltrated bearings
US5842531A (en) * 1996-04-24 1998-12-01 Dresser Industries, Inc. Rotary rock bit with infiltrated bearings
WO1999037879A1 (en) * 1998-01-26 1999-07-29 Dresser Industries, Inc. Rotary cone drill bit with enhanced journal bushing
US6520703B1 (en) * 2000-09-13 2003-02-18 Honeywell International, Inc. Coupling with tribological coating system
US7044242B2 (en) * 2001-04-26 2006-05-16 Halliburton Energy Services, Inc. Roller cone bits with reduced packing
AU2003902189A0 (en) * 2003-05-07 2003-05-22 Extreme Machining Australia Pty Ltd Seal for a roller assembly
US7220098B2 (en) 2003-05-27 2007-05-22 General Electric Company Wear resistant variable stator vane assemblies
US7234782B2 (en) * 2005-02-18 2007-06-26 Sandvik Intellectual Property Ab Tool holder block and sleeve retained therein by interference fit
US7543992B2 (en) 2005-04-28 2009-06-09 General Electric Company High temperature rod end bearings
US7465096B2 (en) * 2005-10-12 2008-12-16 Baker Hughes Incorporated Earth boring bit with tilted hydrodynamic thrust bearing
US20100025119A1 (en) * 2007-04-05 2010-02-04 Baker Hughes Incorporated Hybrid drill bit and method of using tsp or mosaic cutters on a hybrid bit
US7841426B2 (en) * 2007-04-05 2010-11-30 Baker Hughes Incorporated Hybrid drill bit with fixed cutters as the sole cutting elements in the axial center of the drill bit
US7845435B2 (en) * 2007-04-05 2010-12-07 Baker Hughes Incorporated Hybrid drill bit and method of drilling
US8678111B2 (en) 2007-11-16 2014-03-25 Baker Hughes Incorporated Hybrid drill bit and design method
US20110024198A1 (en) * 2008-02-19 2011-02-03 Baker Hughes Incorporated Bearing systems containing diamond enhanced materials and downhole applications for same
US20090272582A1 (en) * 2008-05-02 2009-11-05 Baker Hughes Incorporated Modular hybrid drill bit
US7819208B2 (en) * 2008-07-25 2010-10-26 Baker Hughes Incorporated Dynamically stable hybrid drill bit
RU2380588C1 (ru) * 2008-09-30 2010-01-27 Николай Митрофанович Панин Способ изготовления опоры скольжения (варианты)
RU2380587C1 (ru) * 2008-09-30 2010-01-27 Николай Митрофанович Панин Способ изготовления опоры скольжения
US9439277B2 (en) * 2008-10-23 2016-09-06 Baker Hughes Incorporated Robotically applied hardfacing with pre-heat
US8450637B2 (en) * 2008-10-23 2013-05-28 Baker Hughes Incorporated Apparatus for automated application of hardfacing material to drill bits
WO2010053710A2 (en) * 2008-10-29 2010-05-14 Baker Hughes Incorporated Method and apparatus for robotic welding of drill bits
US8047307B2 (en) * 2008-12-19 2011-11-01 Baker Hughes Incorporated Hybrid drill bit with secondary backup cutters positioned with high side rake angles
MX2011006187A (es) * 2008-12-31 2011-06-20 Baker Hughes Inc Metodo y aparato para la aplicacion automatizada de material de revestimiento duro a fresas envolventes de barrenas de perforacion terrestre tipo hibridas, barrenas de perforacion hibridas que comprenden tales elementos de corte de dientes de acero c
US20100181116A1 (en) * 2009-01-16 2010-07-22 Baker Hughes Incororated Impregnated drill bit with diamond pins
US8141664B2 (en) 2009-03-03 2012-03-27 Baker Hughes Incorporated Hybrid drill bit with high bearing pin angles
US8056651B2 (en) * 2009-04-28 2011-11-15 Baker Hughes Incorporated Adaptive control concept for hybrid PDC/roller cone bits
US8459378B2 (en) * 2009-05-13 2013-06-11 Baker Hughes Incorporated Hybrid drill bit
US8157026B2 (en) 2009-06-18 2012-04-17 Baker Hughes Incorporated Hybrid bit with variable exposure
EP2478177A2 (en) 2009-09-16 2012-07-25 Baker Hughes Incorporated External, divorced pdc bearing assemblies for hybrid drill bits
US8347989B2 (en) * 2009-10-06 2013-01-08 Baker Hughes Incorporated Hole opener with hybrid reaming section and method of making
US8448724B2 (en) * 2009-10-06 2013-05-28 Baker Hughes Incorporated Hole opener with hybrid reaming section
US8201646B2 (en) * 2009-11-20 2012-06-19 Edward Vezirian Method and apparatus for a true geometry, durable rotating drill bit
CN108049818B (zh) 2010-06-29 2020-11-17 贝克休斯公司 具有防钻头循旧槽结构的钻头
RU2580540C2 (ru) * 2010-10-01 2016-04-10 Бейкер Хьюз Инкорпорейтед Подшипники для скважинного инструмента, скважинный инструмент с такими подшипниками и способы их охлаждения
US8978786B2 (en) 2010-11-04 2015-03-17 Baker Hughes Incorporated System and method for adjusting roller cone profile on hybrid bit
US9782857B2 (en) 2011-02-11 2017-10-10 Baker Hughes Incorporated Hybrid drill bit having increased service life
EP2673451B1 (en) 2011-02-11 2015-05-27 Baker Hughes Incorporated System and method for leg retention on hybrid bits
EP3159475B1 (en) 2011-11-15 2019-03-27 Baker Hughes, a GE company, LLC Hybrid drill bits having increased drilling efficiency
US9085703B2 (en) 2012-10-15 2015-07-21 Varel International Ind., L.P. Anti-balling coating on drill bits and downhole tools
US10619420B2 (en) * 2013-05-20 2020-04-14 The Charles Machine Works, Inc. Reamer with replaceable rolling cutters
US10107039B2 (en) 2014-05-23 2018-10-23 Baker Hughes Incorporated Hybrid bit with mechanically attached roller cone elements
US11428050B2 (en) 2014-10-20 2022-08-30 Baker Hughes Holdings Llc Reverse circulation hybrid bit
CN107709693A (zh) 2015-07-17 2018-02-16 哈里伯顿能源服务公司 中心具有反向旋转切削器的混合钻头

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US2104819A (en) * 1935-03-09 1938-01-11 Hughes Tool Co Roller boring drill
US2595904A (en) * 1948-05-06 1952-05-06 Security Engineering Co Inc Tricone rock bit
US3235316A (en) * 1963-04-22 1966-02-15 Hughes Tool Co Journal bearing with alternating surface areas of wear resistant and antigalling materials
US3984158A (en) * 1973-09-10 1976-10-05 Dresser Industries, Inc. Journal and pilot bearings with alternating surface areas of wear resistant and anti-galling materials
US4207658A (en) * 1973-09-10 1980-06-17 Dresser Industries, Inc. Journal and pilot bearings with alternating surface areas of wear resistant and anti-galling materials
US4136748A (en) * 1977-11-07 1979-01-30 The Timken Company Roller-type rock bit and bearing arrangement therefor
US4172395A (en) * 1978-08-07 1979-10-30 Dresser Industries, Inc. Method of manufacturing a rotary rock bit
US4402617A (en) * 1981-05-12 1983-09-06 Dresser Industries, Inc. Thin wall sintered bushing for a rock bit
US4439050A (en) * 1981-06-11 1984-03-27 Globe Oil Tools, Inc. Rotary bit bearing system
US4499642A (en) * 1981-12-28 1985-02-19 Smith International, Inc. Composite bearing
US4446933A (en) * 1982-03-29 1984-05-08 Bodine Albert G Rotary earth boring drill bit with centrifugal lubrication system
US4533003A (en) * 1984-03-08 1985-08-06 A-Z International Company Drilling apparatus and cutter therefor
US4722615A (en) * 1986-04-14 1988-02-02 A-Z International Tool Company Drilling apparatus and cutter therefor

Also Published As

Publication number Publication date
IT8948367A0 (it) 1989-09-14
US4875532A (en) 1989-10-24
IE63035B1 (en) 1995-03-22
IE892502L (en) 1990-03-19
GB2225362A (en) 1990-05-30
GB2225362B (en) 1992-08-12
CA1319930C (en) 1993-07-06
GB8917058D0 (en) 1989-09-13

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19960924