GB2490534B - A hole opener - Google Patents
A hole openerInfo
- Publication number
- GB2490534B GB2490534B GB1107504.1A GB201107504A GB2490534B GB 2490534 B GB2490534 B GB 2490534B 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.)
- Expired - Fee Related
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
- E21B10/32—Drill 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
- E21B10/34—Drill 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
-
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/28—Enlarging drilled holes, e.g. by counterboring
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)
- Devices For Opening Bottles Or Cans (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1107504.1A GB2490534B (en) | 2011-05-05 | 2011-05-05 | A hole opener |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1107504.1A 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 |
---|---|---|---|
GB1107504.1A Expired - Fee Related GB2490534B (en) | 2011-05-05 | 2011-05-05 | A hole opener |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2490534B (en) |
Citations (7)
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 |
-
2011
- 2011-05-05 GB GB1107504.1A patent/GB2490534B/en not_active Expired - Fee Related
Patent Citations (7)
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 |
---|---|
GB201107504D0 (en) | 2011-06-22 |
GB2490534A (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 |