GB0006757D0 - Roller reamer with thrust bearing - Google Patents

Roller reamer with thrust bearing

Info

Publication number
GB0006757D0
GB0006757D0 GBGB0006757.9A GB0006757A GB0006757D0 GB 0006757 D0 GB0006757 D0 GB 0006757D0 GB 0006757 A GB0006757 A GB 0006757A GB 0006757 D0 GB0006757 D0 GB 0006757D0
Authority
GB
United Kingdom
Prior art keywords
thrust bearing
roller reamer
reamer
roller
thrust
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.)
Ceased
Application number
GBGB0006757.9A
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.)
DESIGN ENGINEERING Ltd
Original Assignee
DESIGN ENGINEERING 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 DESIGN ENGINEERING Ltd filed Critical DESIGN ENGINEERING Ltd
Priority to GBGB0006757.9A priority Critical patent/GB0006757D0/en
Publication of GB0006757D0 publication Critical patent/GB0006757D0/en
Priority to GB0107232A priority patent/GB2360537B/en
Ceased 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

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)
GBGB0006757.9A 2000-03-22 2000-03-22 Roller reamer with thrust bearing Ceased GB0006757D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GBGB0006757.9A GB0006757D0 (en) 2000-03-22 2000-03-22 Roller reamer with thrust bearing
GB0107232A GB2360537B (en) 2000-03-22 2001-03-22 Roller reamer with thrust bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0006757.9A GB0006757D0 (en) 2000-03-22 2000-03-22 Roller reamer with thrust bearing

Publications (1)

Publication Number Publication Date
GB0006757D0 true GB0006757D0 (en) 2000-05-10

Family

ID=9888052

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0006757.9A Ceased GB0006757D0 (en) 2000-03-22 2000-03-22 Roller reamer with thrust bearing
GB0107232A Expired - Fee Related GB2360537B (en) 2000-03-22 2001-03-22 Roller reamer with thrust bearing

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0107232A Expired - Fee Related GB2360537B (en) 2000-03-22 2001-03-22 Roller reamer with thrust bearing

Country Status (1)

Country Link
GB (2) GB0006757D0 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4020910A (en) * 1976-05-19 1977-05-03 Rapidex, Inc. Sealing between relatively rotating members in boring apparatus
US4561508A (en) * 1980-08-01 1985-12-31 Hughes Tool Company Roller-reamer
US4480704A (en) * 1982-07-19 1984-11-06 Smith International, Inc. Reamer
US5339910A (en) * 1993-04-14 1994-08-23 Union Oil Company Of California Drilling torsional friction reducer
WO1995013452A1 (en) * 1993-11-10 1995-05-18 Gearhart United Pty. Ltd. Improved rotary roller reamer

Also Published As

Publication number Publication date
GB2360537B (en) 2004-01-14
GB0107232D0 (en) 2001-05-16
GB2360537A (en) 2001-09-26

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)