GB9715930D0 - Bypass valve closing means - Google Patents

Bypass valve closing means

Info

Publication number
GB9715930D0
GB9715930D0 GBGB9715930.5A GB9715930A GB9715930D0 GB 9715930 D0 GB9715930 D0 GB 9715930D0 GB 9715930 A GB9715930 A GB 9715930A GB 9715930 D0 GB9715930 D0 GB 9715930D0
Authority
GB
United Kingdom
Prior art keywords
bypass valve
valve closing
closing means
bypass
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
GBGB9715930.5A
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.)
Smith International Inc
Original Assignee
Smith International Inc
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 Smith International Inc filed Critical Smith International Inc
Priority to GBGB9715930.5A priority Critical patent/GB9715930D0/en
Priority to GB9716011A priority patent/GB2327691B/en
Priority to GB0110032A priority patent/GB2358657B/en
Publication of GB9715930D0 publication Critical patent/GB9715930D0/en
Priority to EP98936516A priority patent/EP1000220B1/en
Priority to CA002295592A priority patent/CA2295592C/en
Priority to US09/463,460 priority patent/US6293342B1/en
Priority to PCT/GB1998/002244 priority patent/WO1999005393A1/en
Priority to NO20000420A priority patent/NO318067B1/en
Pending legal-status Critical Current

Links

GBGB9715930.5A 1997-07-28 1997-07-28 Bypass valve closing means Pending GB9715930D0 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
GBGB9715930.5A GB9715930D0 (en) 1997-07-28 1997-07-28 Bypass valve closing means
GB9716011A GB2327691B (en) 1997-07-28 1997-07-29 Bypass valve closing means
GB0110032A GB2358657B (en) 1997-07-28 1997-07-29 Bypass valve closing means
EP98936516A EP1000220B1 (en) 1997-07-28 1998-07-28 Bypass valve closing means
CA002295592A CA2295592C (en) 1997-07-28 1998-07-28 Bypass valve closing means
US09/463,460 US6293342B1 (en) 1997-07-28 1998-07-28 Bypass valve closing means
PCT/GB1998/002244 WO1999005393A1 (en) 1997-07-28 1998-07-28 Bypass valve closing means
NO20000420A NO318067B1 (en) 1997-07-28 2000-01-27 Circulation valve closure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9715930.5A GB9715930D0 (en) 1997-07-28 1997-07-28 Bypass valve closing means

Publications (1)

Publication Number Publication Date
GB9715930D0 true GB9715930D0 (en) 1997-10-01

Family

ID=10816605

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9715930.5A Pending GB9715930D0 (en) 1997-07-28 1997-07-28 Bypass valve closing means
GB9716011A Revoked GB2327691B (en) 1997-07-28 1997-07-29 Bypass valve closing means

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9716011A Revoked GB2327691B (en) 1997-07-28 1997-07-29 Bypass valve closing means

Country Status (1)

Country Link
GB (2) GB9715930D0 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2341405B (en) * 1998-02-25 2002-09-11 Specialised Petroleum Serv Ltd Circulation tool
US6253861B1 (en) 1998-02-25 2001-07-03 Specialised Petroleum Services Limited Circulation tool
NO20000281L (en) * 1999-01-21 2000-07-24 Baker Hughes Inc Single trip window milling device and method with measurement during drilling
AU761233B2 (en) 1999-04-05 2003-05-29 Baker Hughes Incorporated One-trip casing cutting & removal apparatus
US7114574B2 (en) * 2003-02-19 2006-10-03 Schlumberger Technology Corp. By-pass valve mechanism and method of use hereof
NO332488B1 (en) * 2009-04-17 2012-10-01 Reelwell As Downhole gasket seal

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8802498D0 (en) * 1988-02-04 1988-03-02 Hy Ram Eng Co Ltd Improvements relating to valves
US5465787A (en) * 1994-07-29 1995-11-14 Camco International Inc. Fluid circulation apparatus
GB2315082B (en) * 1996-07-10 2000-12-06 Klaas Johannes Zwart Downhole apparatus

Also Published As

Publication number Publication date
GB2327691A (en) 1999-02-03
GB2327691B (en) 2001-06-27
GB9716011D0 (en) 1997-10-01

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