GB0407449D0 - A ball-activated tool for use in a drill string - Google Patents
A ball-activated tool for use in a drill stringInfo
- Publication number
- GB0407449D0 GB0407449D0 GB0407449A GB0407449A GB0407449D0 GB 0407449 D0 GB0407449 D0 GB 0407449D0 GB 0407449 A GB0407449 A GB 0407449A GB 0407449 A GB0407449 A GB 0407449A GB 0407449 D0 GB0407449 D0 GB 0407449D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- ball
- drill string
- activated tool
- activated
- tool
- 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.)
- Ceased
Links
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0407449A GB0407449D0 (en) | 2004-04-01 | 2004-04-01 | A ball-activated tool for use in a drill string |
PCT/IB2005/000754 WO2005094166A2 (en) | 2004-04-01 | 2005-03-23 | A ball-activated tool for use in a drill string |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0407449A GB0407449D0 (en) | 2004-04-01 | 2004-04-01 | A ball-activated tool for use in a drill string |
Publications (1)
Publication Number | Publication Date |
---|---|
GB0407449D0 true GB0407449D0 (en) | 2004-05-05 |
Family
ID=32247698
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0407449A Ceased GB0407449D0 (en) | 2004-04-01 | 2004-04-01 | A ball-activated tool for use in a drill string |
Country Status (2)
Country | Link |
---|---|
GB (1) | GB0407449D0 (en) |
WO (1) | WO2005094166A2 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0513140D0 (en) | 2005-06-15 | 2005-08-03 | Lee Paul B | Novel method of controlling the operation of a downhole tool |
WO2008083448A1 (en) * | 2007-01-11 | 2008-07-17 | Halliburton Energy Services N.V. | Device or actuating a bottom tool |
EP2713005A1 (en) * | 2011-12-21 | 2014-04-02 | Schoeller Bleckmann Oilfield Equipment AG | Drillstring valve |
US9915101B2 (en) | 2012-12-27 | 2018-03-13 | Smith International, Inc. | Underreamer for increasing a bore diameter |
US9915100B2 (en) | 2013-12-26 | 2018-03-13 | Smith International, Inc. | Underreamer for increasing a bore diameter |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8518218D0 (en) * | 1985-07-19 | 1985-08-29 | Drilex Ltd | Drop ball sub-assembly |
US4889199A (en) * | 1987-05-27 | 1989-12-26 | Lee Paul B | Downhole valve for use when drilling an oil or gas well |
GB2311315A (en) * | 1996-03-22 | 1997-09-24 | Smith International | Hydraulic sliding side-door sleeve |
US6253861B1 (en) * | 1998-02-25 | 2001-07-03 | Specialised Petroleum Services Limited | Circulation tool |
GB9915885D0 (en) * | 1999-07-08 | 1999-09-08 | Lee Paul B | Downhole valve for use with a drillstring |
-
2004
- 2004-04-01 GB GB0407449A patent/GB0407449D0/en not_active Ceased
-
2005
- 2005-03-23 WO PCT/IB2005/000754 patent/WO2005094166A2/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
WO2005094166A2 (en) | 2005-10-13 |
WO2005094166A3 (en) | 2006-02-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AT | Applications terminated before publication under section 16(1) |