GB0819914D0 - Relief valve device - Google Patents

Relief valve device

Info

Publication number
GB0819914D0
GB0819914D0 GBGB0819914.3A GB0819914A GB0819914D0 GB 0819914 D0 GB0819914 D0 GB 0819914D0 GB 0819914 A GB0819914 A GB 0819914A GB 0819914 D0 GB0819914 D0 GB 0819914D0
Authority
GB
United Kingdom
Prior art keywords
relief valve
valve device
relief
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.)
Granted
Application number
GBGB0819914.3A
Other versions
GB2454356A (en
GB2454356B (en
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.)
Caledyne Ltd
Original Assignee
Caledyne 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
Priority claimed from GB0721253A external-priority patent/GB0721253D0/en
Priority claimed from GB0815396A external-priority patent/GB0815396D0/en
Application filed by Caledyne Ltd filed Critical Caledyne Ltd
Publication of GB0819914D0 publication Critical patent/GB0819914D0/en
Publication of GB2454356A publication Critical patent/GB2454356A/en
Application granted granted Critical
Publication of GB2454356B publication Critical patent/GB2454356B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • E21B34/08—Valve arrangements for boreholes or wells in wells responsive to flow or pressure of the fluid obtained
    • 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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
    • 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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
    • E21B43/121—Lifting well fluids
    • E21B43/128—Adaptation of pump systems with down-hole electric drives

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)
  • Safety Valves (AREA)
GB0819914.3A 2007-10-30 2008-10-30 Relief valve device Active GB2454356B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0721253A GB0721253D0 (en) 2007-10-30 2007-10-30 Relief valve
GB0815396A GB0815396D0 (en) 2008-08-22 2008-08-22 Relief valve device

Publications (3)

Publication Number Publication Date
GB0819914D0 true GB0819914D0 (en) 2008-12-10
GB2454356A GB2454356A (en) 2009-05-06
GB2454356B GB2454356B (en) 2012-02-22

Family

ID=40138069

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0819914.3A Active GB2454356B (en) 2007-10-30 2008-10-30 Relief valve device

Country Status (1)

Country Link
GB (1) GB2454356B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2233690A1 (en) 2009-03-13 2010-09-29 BP Alternative Energy International Limited Fluid injection
CN104196491B (en) * 2014-08-20 2016-07-06 何富全 Oil water well hydraulic power-assisted oil jacket technique intercommunicating device
CN109505560B (en) * 2017-09-14 2021-09-28 中国石油天然气股份有限公司 Throttle constant pressure valve
CN109707343A (en) * 2018-12-12 2019-05-03 中国海洋石油集团有限公司 A kind of thermal recovery underground annular control valve

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4275795A (en) * 1979-03-23 1981-06-30 Baker International Corporation Fluid pressure actuated by-pass and relief valve
GB9905279D0 (en) * 1999-03-08 1999-04-28 Petroline Wellsystems Ltd Downhole apparatus
GB0404012D0 (en) * 2004-02-24 2004-03-31 Red Spider Technology Ltd Improvements in or relating to valves
GB0517887D0 (en) * 2005-09-02 2005-10-12 Zenith Oilfield Technology Ltd Improvements in or relating to ESP completion systems

Also Published As

Publication number Publication date
GB2454356A (en) 2009-05-06
GB2454356B (en) 2012-02-22

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