GB2490534B - A hole opener - Google Patents

A hole opener

Info

Publication number
GB2490534B
GB2490534B GB201107504A GB201107504A GB2490534B GB 2490534 B GB2490534 B GB 2490534B GB 201107504 A GB201107504 A GB 201107504A GB 201107504 A GB201107504 A GB 201107504A GB 2490534 B GB2490534 B GB 2490534B
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.)
Active
Application number
GB201107504A
Other versions
GB2490534A (en
GB201107504D0 (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 GB201107504A priority Critical patent/GB2490534B/en
Publication of GB201107504D0 publication Critical patent/GB201107504D0/en
Publication of GB2490534A publication Critical patent/GB2490534A/en
Application granted granted Critical
Publication of GB2490534B publication Critical patent/GB2490534B/en
Application status is Active legal-status Critical
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/26Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/32Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
    • E21B10/34Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools of roller-cutter type
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00Drill bits
    • E21B10/26Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/28Drill 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
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00Special methods or apparatus for drilling
    • E21B7/28Enlarging drilled holes, e.g. by counterboring
GB201107504A 2011-05-05 2011-05-05 A hole opener Active GB2490534B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB201107504A GB2490534B (en) 2011-05-05 2011-05-05 A hole opener

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB201107504A GB2490534B (en) 2011-05-05 2011-05-05 A hole opener

Publications (3)

Publication Number Publication Date
GB201107504D0 GB201107504D0 (en) 2011-06-22
GB2490534A GB2490534A (en) 2012-11-07
GB2490534B true GB2490534B (en) 2014-08-13

Family

ID=44243657

Family Applications (1)

Application Number Title Priority Date Filing Date
GB201107504A Active GB2490534B (en) 2011-05-05 2011-05-05 A hole opener

Country Status (1)

Country Link
GB (1) GB2490534B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB881358A (en) * 1960-02-12 1961-11-01 Archer William Kammerer Retrievable drilling apparatus for bore holes
US4533003A (en) * 1984-03-08 1985-08-06 A-Z International Company Drilling apparatus and cutter therefor
US4915181A (en) * 1987-12-14 1990-04-10 Jerome Labrosse Tubing bit opener
US5899268A (en) * 1986-01-06 1999-05-04 Baker Hughes Incorporated Downhole milling tool
US20040134687A1 (en) * 2002-07-30 2004-07-15 Radford Steven R. Expandable reamer apparatus for enlarging boreholes while drilling and methods of use
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

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB881358A (en) * 1960-02-12 1961-11-01 Archer William Kammerer Retrievable drilling apparatus for bore holes
US4533003A (en) * 1984-03-08 1985-08-06 A-Z International Company Drilling apparatus and cutter therefor
US5899268A (en) * 1986-01-06 1999-05-04 Baker Hughes Incorporated Downhole milling tool
US4915181A (en) * 1987-12-14 1990-04-10 Jerome Labrosse Tubing bit opener
US20040134687A1 (en) * 2002-07-30 2004-07-15 Radford Steven R. Expandable reamer apparatus for enlarging boreholes while drilling and methods of use
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

Also Published As

Publication number Publication date
GB2490534A (en) 2012-11-07
GB201107504D0 (en) 2011-06-22

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