DK1788A - Boreelement - Google Patents

Boreelement

Info

Publication number
DK1788A
DK1788A DK001788A DK1788A DK1788A DK 1788 A DK1788 A DK 1788A DK 001788 A DK001788 A DK 001788A DK 1788 A DK1788 A DK 1788A DK 1788 A DK1788 A DK 1788A
Authority
DK
Denmark
Prior art keywords
bore
factor
bore factor
Prior art date
Application number
DK001788A
Other languages
English (en)
Other versions
DK1788D0 (da
Inventor
Ian George Boyington
Original Assignee
Darron Tool & Engineering Shef
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 Darron Tool & Engineering Shef filed Critical Darron Tool & Engineering Shef
Publication of DK1788D0 publication Critical patent/DK1788D0/da
Publication of DK1788A publication Critical patent/DK1788A/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
    • E21B10/246—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details with pumping means for feeding lubricant

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)
  • Auxiliary Devices For Machine Tools (AREA)
DK001788A 1987-01-06 1988-01-05 Boreelement DK1788A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878700109A GB8700109D0 (en) 1987-01-06 1987-01-06 Drill member

Publications (2)

Publication Number Publication Date
DK1788D0 DK1788D0 (da) 1988-01-05
DK1788A true DK1788A (da) 1988-07-07

Family

ID=10610272

Family Applications (1)

Application Number Title Priority Date Filing Date
DK001788A DK1788A (da) 1987-01-06 1988-01-05 Boreelement

Country Status (4)

Country Link
EP (1) EP0274265A3 (da)
DK (1) DK1788A (da)
GB (1) GB8700109D0 (da)
NO (1) NO880017L (da)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU594885C (en) * 1987-07-07 2004-10-07 Gearhart United Pty Ltd Rotary roller reamer
ATE242417T1 (de) * 1993-11-10 2003-06-15 Gearhart United Pty Ltd Verbesserter rotierender räumer mit rollen
AU701439B2 (en) * 1995-03-20 1999-01-28 Gearhart United Pty Ltd Bi-directional roller reamer
AUPN183295A0 (en) * 1995-03-20 1995-04-13 Gearhart United Pty Ltd Bi-directional roller reamer
AUPP946199A0 (en) * 1999-03-26 1999-04-22 Gearhart Australia Limited Reaming stabilizer roller
DE60331098D1 (de) 2002-11-07 2010-03-11 Extreme Machining Australia Pt Verbesserter rotierender rollenräumer
CA2523767A1 (en) * 2003-05-07 2004-11-18 Extreme Machining Australia Pty Ltd Stabilising band for a roller assembly
AU2004236273B2 (en) * 2003-05-07 2010-12-02 Extreme Machining Australia Pty Ltd Stabilising band for a roller assembly
AU2004269049B2 (en) * 2003-09-03 2009-06-18 Gearhart United Pty Ltd Rotary roller reamer
EP1664476B1 (en) * 2003-09-03 2008-07-23 Gearhart United Pty. Ltd. Rotary roller reamer
US20110085877A1 (en) * 2009-10-12 2011-04-14 Atlas Copco Secoroc Llc. Downhole tool
US9157282B2 (en) 2011-11-30 2015-10-13 Smith International, Inc. Roller reamer compound wedge retention
US10718165B2 (en) * 2017-11-30 2020-07-21 Duane Shotwell Roller reamer integral pressure relief assembly

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1565788A (en) * 1925-01-26 1925-12-15 Anthony E Carlson Reamer
US3251634A (en) * 1963-07-01 1966-05-17 Exxon Production Research Co Drill bit bearing lubricator
FR1438748A (fr) * 1965-06-22 1966-05-13 Perfectionnements apportés aux trépans de forage
CA1024977A (en) * 1974-05-13 1978-01-24 Bralorne Resources Limited Air cleaned and lubricated stabilizer
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
US4508184A (en) * 1983-05-27 1985-04-02 Hansen Michael S Roller reamer/stabilizer

Also Published As

Publication number Publication date
EP0274265A3 (en) 1989-09-06
GB8700109D0 (en) 1987-02-11
EP0274265A2 (en) 1988-07-13
NO880017D0 (no) 1988-01-05
NO880017L (no) 1988-07-07
DK1788D0 (da) 1988-01-05

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Legal Events

Date Code Title Description
AHB Application shelved due to non-payment