GB0017690D0 - Improvements in valves - Google Patents

Improvements in valves

Info

Publication number
GB0017690D0
GB0017690D0 GBGB0017690.9A GB0017690A GB0017690D0 GB 0017690 D0 GB0017690 D0 GB 0017690D0 GB 0017690 A GB0017690 A GB 0017690A GB 0017690 D0 GB0017690 D0 GB 0017690D0
Authority
GB
United Kingdom
Prior art keywords
valves
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
GBGB0017690.9A
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.)
Weatherford Lamb Inc
Original Assignee
Weatherford Lamb 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 Weatherford Lamb Inc filed Critical Weatherford Lamb Inc
Priority to GBGB0017690.9A priority Critical patent/GB0017690D0/en
Publication of GB0017690D0 publication Critical patent/GB0017690D0/en
Priority to US09/910,644 priority patent/US20020007950A1/en
Priority to AU2001272655A priority patent/AU2001272655A1/en
Priority to CA002415955A priority patent/CA2415955A1/en
Priority to EP01951806A priority patent/EP1301685A2/en
Priority to PCT/GB2001/003283 priority patent/WO2002008561A2/en
Ceased legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Taps Or Cocks (AREA)
  • Lift Valve (AREA)
GBGB0017690.9A 2000-07-20 2000-07-20 Improvements in valves Ceased GB0017690D0 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GBGB0017690.9A GB0017690D0 (en) 2000-07-20 2000-07-20 Improvements in valves
US09/910,644 US20020007950A1 (en) 2000-07-20 2001-07-20 Valves
AU2001272655A AU2001272655A1 (en) 2000-07-20 2001-07-20 Improvements in valves
CA002415955A CA2415955A1 (en) 2000-07-20 2001-07-20 Improvements in valves
EP01951806A EP1301685A2 (en) 2000-07-20 2001-07-20 Improvements in valves
PCT/GB2001/003283 WO2002008561A2 (en) 2000-07-20 2001-07-20 Improvements in valves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0017690.9A GB0017690D0 (en) 2000-07-20 2000-07-20 Improvements in valves

Publications (1)

Publication Number Publication Date
GB0017690D0 true GB0017690D0 (en) 2000-09-06

Family

ID=9895934

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB0017690.9A Ceased GB0017690D0 (en) 2000-07-20 2000-07-20 Improvements in valves

Country Status (6)

Country Link
US (1) US20020007950A1 (en)
EP (1) EP1301685A2 (en)
AU (1) AU2001272655A1 (en)
CA (1) CA2415955A1 (en)
GB (1) GB0017690D0 (en)
WO (1) WO2002008561A2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0215659D0 (en) * 2002-07-06 2002-08-14 Weatherford Lamb Formed tubulars
GB0401440D0 (en) * 2004-01-23 2004-02-25 Enovate Systems Ltd Completion suspension valve system
KR100676201B1 (en) * 2005-05-24 2007-01-30 삼성전자주식회사 Method of manufacturing semiconductor device used Atomic Layer DepositionALD
CA2616055C (en) * 2007-01-03 2012-02-21 Weatherford/Lamb, Inc. System and methods for tubular expansion
EP2086958B1 (en) 2007-08-31 2015-01-14 Purdue Pharma LP Substituted-quinoxaline-type-piperidine compounds and the uses thereof
US9784057B2 (en) * 2008-04-30 2017-10-10 Weatherford Technology Holdings, Llc Mechanical bi-directional isolation valve
US11162336B1 (en) * 2020-07-01 2021-11-02 Baker Hughes Oilfield Operations Llc Valve component including inclined and/or curved seating element

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3123334A (en) * 1964-03-03 Rotary gate valve
US3528448A (en) * 1967-10-04 1970-09-15 Lunkenheimer Co Slurry valve
GB1280053A (en) * 1970-02-10 1972-07-05 Wilmot Breeden Ltd Improvements in or relating to a valve for controlling fluid flow
US3904170A (en) * 1974-12-23 1975-09-09 Foxboro Co Flow control valve
LU77487A1 (en) * 1977-06-06 1977-09-22
US4263936A (en) * 1979-10-09 1981-04-28 Brown Oil Tools, Inc. Erosion resistant check valve assembly
GB2170245B (en) * 1982-12-24 1987-04-15 Schlumberger Technology Corp Full bore sample valve apparatus
US4962911A (en) * 1990-03-27 1990-10-16 Soderberg Research & Development, Inc. Hemi-wedge valve
US5197515A (en) * 1991-06-14 1993-03-30 Pneu-Draulics, Inc. Aircraft waste system drain valve
US5618027A (en) * 1994-07-20 1997-04-08 Nevrekar; Venkatesh R. Gate valve
RU2094593C1 (en) * 1995-03-07 1997-10-27 Татарский научно-исследовательский и проектный институт нефти Cut-off valve

Also Published As

Publication number Publication date
WO2002008561A2 (en) 2002-01-31
CA2415955A1 (en) 2002-01-31
US20020007950A1 (en) 2002-01-24
WO2002008561A3 (en) 2002-05-30
AU2001272655A1 (en) 2002-02-05
EP1301685A2 (en) 2003-04-16

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Legal Events

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