GB9215218D0 - A valve - Google Patents

A valve

Info

Publication number
GB9215218D0
GB9215218D0 GB929215218A GB9215218A GB9215218D0 GB 9215218 D0 GB9215218 D0 GB 9215218D0 GB 929215218 A GB929215218 A GB 929215218A GB 9215218 A GB9215218 A GB 9215218A GB 9215218 D0 GB9215218 D0 GB 9215218D0
Authority
GB
United Kingdom
Prior art keywords
valve
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.)
Pending
Application number
GB929215218A
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.)
PBL Drilling Tools Ltd
Original Assignee
PBL Drilling Tools 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 PBL Drilling Tools Ltd filed Critical PBL Drilling Tools Ltd
Priority to GB929215218A priority Critical patent/GB9215218D0/en
Publication of GB9215218D0 publication Critical patent/GB9215218D0/en
Priority to CA 2100389 priority patent/CA2100389A1/en
Priority to GB9314767A priority patent/GB2268770B/en
Pending legal-status Critical Current

Links

GB929215218A 1992-07-17 1992-07-17 A valve Pending GB9215218D0 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB929215218A GB9215218D0 (en) 1992-07-17 1992-07-17 A valve
CA 2100389 CA2100389A1 (en) 1992-07-17 1993-07-13 Valve having releasable latch mechanism
GB9314767A GB2268770B (en) 1992-07-17 1993-07-16 A valve having releasable latch mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB929215218A GB9215218D0 (en) 1992-07-17 1992-07-17 A valve

Publications (1)

Publication Number Publication Date
GB9215218D0 true GB9215218D0 (en) 1992-09-02

Family

ID=10718873

Family Applications (2)

Application Number Title Priority Date Filing Date
GB929215218A Pending GB9215218D0 (en) 1992-07-17 1992-07-17 A valve
GB9314767A Expired - Fee Related GB2268770B (en) 1992-07-17 1993-07-16 A valve having releasable latch mechanism

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9314767A Expired - Fee Related GB2268770B (en) 1992-07-17 1993-07-16 A valve having releasable latch mechanism

Country Status (2)

Country Link
CA (1) CA2100389A1 (en)
GB (2) GB9215218D0 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5443129A (en) * 1994-07-22 1995-08-22 Smith International, Inc. Apparatus and method for orienting and setting a hydraulically-actuatable tool in a borehole
GB0012124D0 (en) * 2000-05-20 2000-07-12 Lee Paul B By-pass tool for use in a drill string
GB0102485D0 (en) * 2001-01-31 2001-03-14 Sps Afos Group Ltd Downhole Tool
US7108071B2 (en) 2001-04-30 2006-09-19 Weatherford/Lamb, Inc. Automatic tubing filler
US6698514B2 (en) 2002-05-02 2004-03-02 Varco I/P, Inc. Remote operated coil connector apparatus
GB0513140D0 (en) * 2005-06-15 2005-08-03 Lee Paul B Novel method of controlling the operation of a downhole tool
US7793683B2 (en) * 2006-10-11 2010-09-14 Weatherford/Lamb, Inc. Active intake pressure control of downhole pump assemblies
EP2427628B1 (en) * 2009-05-07 2015-12-16 Churchill Drilling Tools Limited Downhole tool
CA2929158C (en) 2011-01-21 2018-04-24 Weatherford Technology Holdings, Llc Telemetry operated circulation sub
US9187978B2 (en) 2013-03-11 2015-11-17 Weatherford Technology Holdings, Llc Expandable ball seat for hydraulically actuating tools

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4889199A (en) * 1987-05-27 1989-12-26 Lee Paul B Downhole valve for use when drilling an oil or gas well

Also Published As

Publication number Publication date
GB9314767D0 (en) 1993-08-25
CA2100389A1 (en) 1994-01-18
GB2268770B (en) 1995-11-15
GB2268770A (en) 1994-01-19

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