GB8700109D0 - Drill member - Google Patents

Drill member

Info

Publication number
GB8700109D0
GB8700109D0 GB878700109A GB8700109A GB8700109D0 GB 8700109 D0 GB8700109 D0 GB 8700109D0 GB 878700109 A GB878700109 A GB 878700109A GB 8700109 A GB8700109 A GB 8700109A GB 8700109 D0 GB8700109 D0 GB 8700109D0
Authority
GB
United Kingdom
Prior art keywords
drill member
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.)
Pending
Application number
GB878700109A
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.)
Darron Tool & Eng Sheffield Lt
Original Assignee
Darron Tool & Eng Sheffield Lt
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 & Eng Sheffield Lt filed Critical Darron Tool & Eng Sheffield Lt
Priority to GB878700109A priority Critical patent/GB8700109D0/en
Publication of GB8700109D0 publication Critical patent/GB8700109D0/en
Priority to EP87311264A priority patent/EP0274265A3/en
Priority to DK001788A priority patent/DK1788A/en
Priority to NO880017A priority patent/NO880017L/en
Pending 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
    • E21B10/26—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)
GB878700109A 1987-01-06 1987-01-06 Drill member Pending GB8700109D0 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB878700109A GB8700109D0 (en) 1987-01-06 1987-01-06 Drill member
EP87311264A EP0274265A3 (en) 1987-01-06 1987-12-21 Roller reamer assembly
DK001788A DK1788A (en) 1987-01-06 1988-01-05 BORE FACTOR
NO880017A NO880017L (en) 1987-01-06 1988-01-05 DRILLING EQUIPMENT FOR EXTENSION OF DRILL HOLES.

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB8700109D0 true GB8700109D0 (en) 1987-02-11

Family

ID=10610272

Family Applications (1)

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

Country Status (4)

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

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
WO1995013452A1 (en) * 1993-11-10 1995-05-18 Gearhart United Pty. Ltd. Improved rotary roller reamer
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
ATE455931T1 (en) 2002-11-07 2010-02-15 Extreme Machining Australia Pt IMPROVED ROTATING ROLLER CLEANER
NZ543423A (en) * 2003-05-07 2007-10-26 Extreme Machining Australia Pt 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
NZ545622A (en) 2003-09-03 2009-03-31 Gearhart United Pty Ltd Rotary roller reamer
WO2011046960A2 (en) * 2009-10-12 2011-04-21 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 (en) * 1965-06-22 1966-05-13 Improvements to drill bits
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
EP0274265A2 (en) 1988-07-13
EP0274265A3 (en) 1989-09-06
NO880017D0 (en) 1988-01-05
NO880017L (en) 1988-07-07
DK1788D0 (en) 1988-01-05
DK1788A (en) 1988-07-07

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