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GB2385081B - Back reaming tool - Google Patents

Back reaming tool

Info

Publication number
GB2385081B
GB2385081B GB0310083A GB0310083A GB2385081B GB 2385081 B GB2385081 B GB 2385081B GB 0310083 A GB0310083 A GB 0310083A GB 0310083 A GB0310083 A GB 0310083A GB 2385081 B GB2385081 B GB 2385081B
Authority
GB
United Kingdom
Prior art keywords
reaming tool
back reaming
tool
reaming
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.)
Expired - Fee Related
Application number
GB0310083A
Other versions
GB2385081A (en
Inventor
Jr Robert Harlan Slaughter
Peter Thomas Cariveau
Vincent Wayne Shotton
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.)
Smith International Inc
Original Assignee
Smith International Inc
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 Smith International Inc filed Critical Smith International Inc
Priority claimed from GB0203292A external-priority patent/GB2372060B/en
Publication of GB2385081A publication Critical patent/GB2385081A/en
Application granted granted Critical
Publication of GB2385081B publication Critical patent/GB2385081B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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

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)
GB0310083A 2001-02-13 2002-02-12 Back reaming tool Expired - Fee Related GB2385081B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US26830301P 2001-02-13 2001-02-13
GB0203292A GB2372060B (en) 2001-02-13 2002-02-12 Back reaming tool

Publications (2)

Publication Number Publication Date
GB2385081A GB2385081A (en) 2003-08-13
GB2385081B true GB2385081B (en) 2004-06-30

Family

ID=27614808

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0310083A Expired - Fee Related GB2385081B (en) 2001-02-13 2002-02-12 Back reaming tool

Country Status (1)

Country Link
GB (1) GB2385081B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9611698B2 (en) * 2011-09-16 2017-04-04 Vermeer Manufacturing Company Hole opener bearing arrangement
US11566473B2 (en) 2018-05-29 2023-01-31 Quanta Associates, L.P. Horizontal directional reaming

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3675729A (en) * 1970-05-08 1972-07-11 Smith International Bit lubrication system
US4007799A (en) * 1975-07-07 1977-02-15 Smith International, Inc. Raise drill with replaceable stem
US4069878A (en) * 1976-03-08 1978-01-24 Reed Tool Company Raise drilling bit with detachable stem
GB2004313A (en) * 1977-09-14 1979-03-28 Smith International Earth boring drills
EP1285145A1 (en) * 2000-05-30 2003-02-26 Michael Gerald Smith Apparatus for directional drilling

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3675729A (en) * 1970-05-08 1972-07-11 Smith International Bit lubrication system
US4007799A (en) * 1975-07-07 1977-02-15 Smith International, Inc. Raise drill with replaceable stem
US4069878A (en) * 1976-03-08 1978-01-24 Reed Tool Company Raise drilling bit with detachable stem
GB2004313A (en) * 1977-09-14 1979-03-28 Smith International Earth boring drills
EP1285145A1 (en) * 2000-05-30 2003-02-26 Michael Gerald Smith Apparatus for directional drilling

Also Published As

Publication number Publication date
GB2385081A (en) 2003-08-13

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20101118 AND 20101124

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20160212