GB2482703B - Enlarging boreholes - Google Patents
Enlarging boreholesInfo
- Publication number
- GB2482703B GB2482703B GB1013485.6A GB201013485A GB2482703B GB 2482703 B GB2482703 B GB 2482703B GB 201013485 A GB201013485 A GB 201013485A GB 2482703 B GB2482703 B GB 2482703B
- Authority
- GB
- United Kingdom
- Prior art keywords
- enlarging boreholes
- boreholes
- enlarging
- 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 DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1013485.6A GB2482703B (en) | 2010-08-11 | 2010-08-11 | Enlarging boreholes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1013485.6A GB2482703B (en) | 2010-08-11 | 2010-08-11 | Enlarging boreholes |
Publications (3)
Publication Number | Publication Date |
---|---|
GB201013485D0 GB201013485D0 (en) | 2010-09-22 |
GB2482703A GB2482703A (en) | 2012-02-15 |
GB2482703B true GB2482703B (en) | 2012-08-01 |
Family
ID=42931489
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1013485.6A Expired - Fee Related GB2482703B (en) | 2010-08-11 | 2010-08-11 | Enlarging boreholes |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2482703B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
PL3135854T3 (en) | 2015-08-24 | 2022-06-20 | Politechnika Gdańska | Wellbore reaming tool |
EP3702581A1 (en) * | 2019-02-26 | 2020-09-02 | Shell Internationale Research Maatschappij B.V. | Method of stabilizing a wall with exposed layers of clay |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000011304A1 (en) * | 1998-07-24 | 2000-03-02 | Holte Ardis L | Reverse circulation drilling system with bit locked underreamer arms |
US20040060710A1 (en) * | 2002-09-27 | 2004-04-01 | Gregory Marshall | Internal pressure indicator and locking mechanism for a downhole tool |
WO2005024173A1 (en) * | 2003-09-08 | 2005-03-17 | Camstar Nominees Pty Ltd | Drilling arrangement |
US20050103527A1 (en) * | 2003-11-13 | 2005-05-19 | Church Kris L. | Dual wall drill string assembly |
GB2446742A (en) * | 2004-02-25 | 2008-08-20 | Caledus Ltd | Tubing shoe with nose blades and reamer |
-
2010
- 2010-08-11 GB GB1013485.6A patent/GB2482703B/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000011304A1 (en) * | 1998-07-24 | 2000-03-02 | Holte Ardis L | Reverse circulation drilling system with bit locked underreamer arms |
US20040060710A1 (en) * | 2002-09-27 | 2004-04-01 | Gregory Marshall | Internal pressure indicator and locking mechanism for a downhole tool |
WO2005024173A1 (en) * | 2003-09-08 | 2005-03-17 | Camstar Nominees Pty Ltd | Drilling arrangement |
US20050103527A1 (en) * | 2003-11-13 | 2005-05-19 | Church Kris L. | Dual wall drill string assembly |
GB2446742A (en) * | 2004-02-25 | 2008-08-20 | Caledus Ltd | Tubing shoe with nose blades and reamer |
Also Published As
Publication number | Publication date |
---|---|
GB2482703A (en) | 2012-02-15 |
GB201013485D0 (en) | 2010-09-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732E | Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977) |
Free format text: REGISTERED BETWEEN 20190725 AND 20190731 |
|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20230811 |