GB2603479B - Tool, system and method for under reaming - Google Patents

Tool, system and method for under reaming Download PDF

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Publication number
GB2603479B
GB2603479B GB2101477.4A GB202101477A GB2603479B GB 2603479 B GB2603479 B GB 2603479B GB 202101477 A GB202101477 A GB 202101477A GB 2603479 B GB2603479 B GB 2603479B
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GB
United Kingdom
Prior art keywords
tool
under reaming
reaming
under
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.)
Active
Application number
GB2101477.4A
Other versions
GB202101477D0 (en
GB2603479A (en
Inventor
Hibbert Chris
Lasbury Timothy
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.)
Roger Bullivant Ltd
Original Assignee
Roger Bullivant 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 Roger Bullivant Ltd filed Critical Roger Bullivant Ltd
Priority to GB2101477.4A priority Critical patent/GB2603479B/en
Publication of GB202101477D0 publication Critical patent/GB202101477D0/en
Publication of GB2603479A publication Critical patent/GB2603479A/en
Application granted granted Critical
Publication of GB2603479B publication Critical patent/GB2603479B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/28—Enlarging drilled holes, e.g. by counterboring
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
GB2101477.4A 2021-02-03 2021-02-03 Tool, system and method for under reaming Active GB2603479B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2101477.4A GB2603479B (en) 2021-02-03 2021-02-03 Tool, system and method for under reaming

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2101477.4A GB2603479B (en) 2021-02-03 2021-02-03 Tool, system and method for under reaming

Publications (3)

Publication Number Publication Date
GB202101477D0 GB202101477D0 (en) 2021-03-17
GB2603479A GB2603479A (en) 2022-08-10
GB2603479B true GB2603479B (en) 2023-02-15

Family

ID=74865330

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2101477.4A Active GB2603479B (en) 2021-02-03 2021-02-03 Tool, system and method for under reaming

Country Status (1)

Country Link
GB (1) GB2603479B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2222621A (en) * 1988-07-22 1990-03-14 Cementation Piling & Found Underreamer for making piles
CN2835348Y (en) * 2005-11-28 2006-11-08 王国奋 Under-reamed device for foundation construction

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2222621A (en) * 1988-07-22 1990-03-14 Cementation Piling & Found Underreamer for making piles
CN2835348Y (en) * 2005-11-28 2006-11-08 王国奋 Under-reamed device for foundation construction

Also Published As

Publication number Publication date
GB202101477D0 (en) 2021-03-17
GB2603479A (en) 2022-08-10

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