GB0407449D0 - A ball-activated tool for use in a drill string - Google Patents

A ball-activated tool for use in a drill string

Info

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
Application number
GB0407449A
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.)
LEE PAUL B
Original Assignee
LEE PAUL B
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 LEE PAUL B filed Critical LEE PAUL B
Priority to GB0407449A priority Critical patent/GB0407449D0/en
Publication of GB0407449D0 publication Critical patent/GB0407449D0/en
Priority to PCT/IB2005/000754 priority patent/WO2005094166A2/en
Ceased legal-status Critical Current

Links

GB0407449A 2004-04-01 2004-04-01 A ball-activated tool for use in a drill string Ceased GB0407449D0 (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
WO2005094166A2 (en) 2005-10-13
WO2005094166A3 (en) 2006-02-23

Similar Documents

Publication Publication Date Title
GB2413809B (en) Gravity valve for a downhole tool
GB2410266B (en) A drill bit and a method for making a drill bit
GB2416175B (en) Downhole tool
GB2430959B (en) Magnet arrangement for use on a downhole tool
GB2408763B (en) A drill bit
GB2415210B (en) Drill bit
IL176498A0 (en) Sleeved stop for a drill bit
GB2433277B (en) A drill bit
GB2410043B (en) Downhole drilling tool
GB2412676B (en) Drill bit
GB2430963B (en) Downhole tool
GB2406868B (en) Expander tool for use in a wellbore
PL1875032T3 (en) A drilling tool
AU300816S (en) Hard rock drill tool
AU156459S (en) A drill bit
GB0407449D0 (en) A ball-activated tool for use in a drill string
GB2443115B (en) Drill bit
GB0511166D0 (en) A ball-activated tool for use in a drill string
GB2430687B (en) Downhole tool
GB0621006D0 (en) A ball-activated tool for use in a drill string
GB2445321B (en) Downhole drilling tool
GB2434605B (en) Downhole drilling tool
GB2440456B (en) Downhole drilling tool
GB0403428D0 (en) Posthole boring tool
ZA200610467B (en) A drill tool

Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)