GB2490529B - A hole opener - Google Patents

A hole opener

Info

Publication number
GB2490529B
GB2490529B GB1107482.0A GB201107482A GB2490529B GB 2490529 B GB2490529 B GB 2490529B GB 201107482 A GB201107482 A GB 201107482A GB 2490529 B GB2490529 B GB 2490529B
Authority
GB
United Kingdom
Prior art keywords
hole opener
opener
hole
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
GB1107482.0A
Other versions
GB201107482D0 (en
GB2490529A (en
Inventor
Alan Mackenzie
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.)
MACKENZIE DESIGN CONSULTANTS Ltd
Original Assignee
MACKENZIE DESIGN CONSULTANTS 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 MACKENZIE DESIGN CONSULTANTS Ltd filed Critical MACKENZIE DESIGN CONSULTANTS Ltd
Priority to GB1107482.0A priority Critical patent/GB2490529B/en
Publication of GB201107482D0 publication Critical patent/GB201107482D0/en
Publication of GB2490529A publication Critical patent/GB2490529A/en
Application granted granted Critical
Publication of GB2490529B publication Critical patent/GB2490529B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
    • E21B10/627—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable with plural detachable cutting elements
    • E21B10/633—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable with plural detachable cutting elements independently detachable
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Devices For Opening Bottles Or Cans (AREA)
  • Scissors And Nippers (AREA)
  • Lock And Its Accessories (AREA)
GB1107482.0A 2011-05-05 2011-05-05 A hole opener Expired - Fee Related GB2490529B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1107482.0A GB2490529B (en) 2011-05-05 2011-05-05 A hole opener

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1107482.0A GB2490529B (en) 2011-05-05 2011-05-05 A hole opener

Publications (3)

Publication Number Publication Date
GB201107482D0 GB201107482D0 (en) 2011-06-22
GB2490529A GB2490529A (en) 2012-11-07
GB2490529B true GB2490529B (en) 2015-12-23

Family

ID=44243640

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1107482.0A Expired - Fee Related GB2490529B (en) 2011-05-05 2011-05-05 A hole opener

Country Status (1)

Country Link
GB (1) GB2490529B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013013477A1 (en) 2013-08-15 2015-03-12 Herrenknecht Ag Drilling head for expanding a pilot hole to create a borehole

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2355036A (en) * 1999-10-08 2001-04-11 Darron Oil Tools Ltd Cutting Tool
WO2008070038A1 (en) * 2006-12-04 2008-06-12 Baker Hughes Incorporated Expandable reamers for earth-boring applications and methods of using the same
GB2453663A (en) * 2007-10-11 2009-04-15 Smith International A reamer having a cutting surface composed of a matrix material or an abrasive material
US20100252326A1 (en) * 2006-12-21 2010-10-07 Sandvik Intellectual Property Ab Modular system for a back reamer and method
US20110079440A1 (en) * 2009-10-06 2011-04-07 Baker Hughes Incorporated Hole opener with hybrid reaming section

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2355036A (en) * 1999-10-08 2001-04-11 Darron Oil Tools Ltd Cutting Tool
WO2008070038A1 (en) * 2006-12-04 2008-06-12 Baker Hughes Incorporated Expandable reamers for earth-boring applications and methods of using the same
US20100252326A1 (en) * 2006-12-21 2010-10-07 Sandvik Intellectual Property Ab Modular system for a back reamer and method
GB2453663A (en) * 2007-10-11 2009-04-15 Smith International A reamer having a cutting surface composed of a matrix material or an abrasive material
US20110079440A1 (en) * 2009-10-06 2011-04-07 Baker Hughes Incorporated Hole opener with hybrid reaming section

Also Published As

Publication number Publication date
GB201107482D0 (en) 2011-06-22
GB2490529A (en) 2012-11-07

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Legal Events

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

Effective date: 20200505