DK1664476T3 - Drejeligt valseagtigt römmejern - Google Patents

Drejeligt valseagtigt römmejern

Info

Publication number
DK1664476T3
DK1664476T3 DK04761235T DK04761235T DK1664476T3 DK 1664476 T3 DK1664476 T3 DK 1664476T3 DK 04761235 T DK04761235 T DK 04761235T DK 04761235 T DK04761235 T DK 04761235T DK 1664476 T3 DK1664476 T3 DK 1664476T3
Authority
DK
Denmark
Prior art keywords
pressure
piston
reamer
seal
circumferential void
Prior art date
Application number
DK04761235T
Other languages
English (en)
Inventor
Terry Michael Mcmanus
Original Assignee
Gearhart United Pty 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
Priority claimed from AU2003904796A external-priority patent/AU2003904796A0/en
Application filed by Gearhart United Pty Ltd filed Critical Gearhart United Pty Ltd
Application granted granted Critical
Publication of DK1664476T3 publication Critical patent/DK1664476T3/da

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
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/28—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with non-expansible roller cutters
    • E21B10/30—Longitudinal axis roller reamers, e.g. reamer stabilisers
    • 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

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)
  • Sliding-Contact Bearings (AREA)
  • Sealing Devices (AREA)
  • Milling, Broaching, Filing, Reaming, And Others (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Coating With Molten Metal (AREA)
  • Soil Working Implements (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Massaging Devices (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
DK04761235T 2003-09-03 2004-09-03 Drejeligt valseagtigt römmejern DK1664476T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2003904796A AU2003904796A0 (en) 2003-09-03 Rotary Roller Reamer
PCT/AU2004/001198 WO2005021924A1 (en) 2003-09-03 2004-09-03 Rotary roller reamer

Publications (1)

Publication Number Publication Date
DK1664476T3 true DK1664476T3 (da) 2008-11-24

Family

ID=34230066

Family Applications (1)

Application Number Title Priority Date Filing Date
DK04761235T DK1664476T3 (da) 2003-09-03 2004-09-03 Drejeligt valseagtigt römmejern

Country Status (9)

Country Link
US (2) US20080202818A1 (da)
EP (1) EP1664476B1 (da)
AT (1) ATE402321T1 (da)
CA (1) CA2537485C (da)
DE (1) DE602004015309D1 (da)
DK (1) DK1664476T3 (da)
NZ (1) NZ545622A (da)
RU (1) RU2346134C2 (da)
WO (1) WO2005021924A1 (da)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110056751A1 (en) * 2008-10-24 2011-03-10 James Shamburger Ultra-hard matrix reamer elements and methods
GB2472848A (en) * 2009-08-21 2011-02-23 Paul Bernard Lee Downhole reamer apparatus
MX336049B (es) 2011-02-17 2016-01-07 Robbins Co Un ensamble cortador para una tuneladora con compensacion a presion.
US9157282B2 (en) 2011-11-30 2015-10-13 Smith International, Inc. Roller reamer compound wedge retention
CN204754786U (zh) 2014-03-10 2015-11-11 特塞尔Ip有限公司 铰孔工具
US10837237B2 (en) * 2017-11-30 2020-11-17 Duane Shotwell Roller reamer with labyrinth seal assembly
US10718165B2 (en) * 2017-11-30 2020-07-21 Duane Shotwell Roller reamer integral pressure relief assembly
US10947786B2 (en) * 2017-11-30 2021-03-16 Chengdu Best Diamond Bit Co., Ltd. Roller reamer with mechanical face seal

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3413045A (en) * 1967-04-19 1968-11-26 Smith Ind Internat Inc Sealed lubricated reamer-stabilizer
SU595481A1 (ru) * 1974-02-11 1978-02-28 Chumakov Ivan D Шарошечный расширитель-стабилизатор
US3977481A (en) * 1974-03-05 1976-08-31 Rapidex, Inc. Boring apparatus
US4102416A (en) * 1976-09-13 1978-07-25 Foster-Miller Associates, Inc. Stabilized conical boring tool
US4182425A (en) * 1977-05-23 1980-01-08 Smith International, Inc. Reamer
US4398610A (en) * 1978-05-08 1983-08-16 Grey Bassinger Roller reamer apparatus
US4254839A (en) * 1979-06-21 1981-03-10 Dresser Industries, Inc. Radial force anti-extrusion device for sealed drill string unit
US4542797A (en) * 1980-08-01 1985-09-24 Hughes Tool Company Roller reamer
US4480704A (en) * 1982-07-19 1984-11-06 Smith International, Inc. Reamer
GB8700109D0 (en) * 1987-01-06 1987-02-11 Darron Tool & Eng Sheffield Lt Drill member
AU594885C (en) 1987-07-07 2004-10-07 Gearhart United Pty Ltd Rotary roller reamer
US5381868A (en) * 1993-10-08 1995-01-17 Triumph*Lor Inc Sealed bearing roller reamer
AU675186B2 (en) * 1993-11-10 1997-01-23 Gearhart United Pty Ltd Improved rotary roller reamer
GB9823798D0 (en) * 1998-11-02 1998-12-23 Int Petroleum Equipment Ltd Roller reamer
GB9908384D0 (en) * 1999-04-14 1999-06-09 Darron Oil Tools Ltd Roller reamer
WO2004042184A1 (en) * 2002-11-07 2004-05-21 Extreme Machining Australia Pty Ltd An improved rotary roller reamer

Also Published As

Publication number Publication date
EP1664476A1 (en) 2006-06-07
EP1664476A4 (en) 2007-02-14
US20080202818A1 (en) 2008-08-28
NZ545622A (en) 2009-03-31
CA2537485A1 (en) 2005-03-10
US8397838B2 (en) 2013-03-19
ATE402321T1 (de) 2008-08-15
CA2537485C (en) 2012-08-28
WO2005021924A1 (en) 2005-03-10
RU2346134C2 (ru) 2009-02-10
DE602004015309D1 (de) 2008-09-04
EP1664476B1 (en) 2008-07-23
RU2006110523A (ru) 2007-10-10
US20110100722A1 (en) 2011-05-05

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