GB2365037B - Cased rotary hole forming tool - Google Patents

Cased rotary hole forming tool

Info

Publication number
GB2365037B
GB2365037B GB0017901A GB0017901A GB2365037B GB 2365037 B GB2365037 B GB 2365037B GB 0017901 A GB0017901 A GB 0017901A GB 0017901 A GB0017901 A GB 0017901A GB 2365037 B GB2365037 B GB 2365037B
Authority
GB
United Kingdom
Prior art keywords
cased
hole forming
forming tool
rotary hole
rotary
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
GB0017901A
Other versions
GB2365037A (en
GB0017901D0 (en
Inventor
Peter Gilbert 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.)
Cementation Skanska Ltd
Original Assignee
Cementation Foundations Skanska Ltd
Kvaerner Cementation Foundations 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 Cementation Foundations Skanska Ltd, Kvaerner Cementation Foundations Ltd filed Critical Cementation Foundations Skanska Ltd
Priority to GB0017901A priority Critical patent/GB2365037B/en
Publication of GB0017901D0 publication Critical patent/GB0017901D0/en
Publication of GB2365037A publication Critical patent/GB2365037A/en
Application granted granted Critical
Publication of GB2365037B publication Critical patent/GB2365037B/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
    • E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/003—Drilling with mechanical conveying means
    • E21B7/005—Drilling with mechanical conveying means with helical conveying means
    • E21B7/006—Drilling with mechanical conveying means with helical conveying means combined with a bucket-type container

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)
GB0017901A 2000-07-20 2000-07-20 Cased rotary hole forming tool Expired - Fee Related GB2365037B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0017901A GB2365037B (en) 2000-07-20 2000-07-20 Cased rotary hole forming tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0017901A GB2365037B (en) 2000-07-20 2000-07-20 Cased rotary hole forming tool

Publications (3)

Publication Number Publication Date
GB0017901D0 GB0017901D0 (en) 2000-09-06
GB2365037A GB2365037A (en) 2002-02-13
GB2365037B true GB2365037B (en) 2004-09-08

Family

ID=9896066

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0017901A Expired - Fee Related GB2365037B (en) 2000-07-20 2000-07-20 Cased rotary hole forming tool

Country Status (1)

Country Link
GB (1) GB2365037B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2624548A (en) * 1950-09-05 1953-01-06 Harry G Cochrane Excavator having means for forming polygonal holes
GB2133821A (en) * 1983-01-19 1984-08-01 Shuntaro Shiga An obstacle-ground earth auger and an in-line engineering method for excavating the obstacle ground
GB2270329A (en) * 1992-08-10 1994-03-09 Cementation Piling & Found Forming a hole in the ground
EP1098064A1 (en) * 1999-11-04 2001-05-09 Compagnie Du Sol Auger drilling device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2624548A (en) * 1950-09-05 1953-01-06 Harry G Cochrane Excavator having means for forming polygonal holes
GB2133821A (en) * 1983-01-19 1984-08-01 Shuntaro Shiga An obstacle-ground earth auger and an in-line engineering method for excavating the obstacle ground
GB2270329A (en) * 1992-08-10 1994-03-09 Cementation Piling & Found Forming a hole in the ground
EP1098064A1 (en) * 1999-11-04 2001-05-09 Compagnie Du Sol Auger drilling device

Also Published As

Publication number Publication date
GB2365037A (en) 2002-02-13
GB0017901D0 (en) 2000-09-06

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20140720