BR9300293A - Válvula de pressão aperfeiçoada - Google Patents

Válvula de pressão aperfeiçoada

Info

Publication number
BR9300293A
BR9300293A BR9300293A BR9300293A BR9300293A BR 9300293 A BR9300293 A BR 9300293A BR 9300293 A BR9300293 A BR 9300293A BR 9300293 A BR9300293 A BR 9300293A BR 9300293 A BR9300293 A BR 9300293A
Authority
BR
Brazil
Prior art keywords
pressure valve
optimized pressure
optimized
valve
pressure
Prior art date
Application number
BR9300293A
Other languages
English (en)
Inventor
De Almeida Alcino Resende
Original Assignee
Petroleo Brasileiro Sa
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 Petroleo Brasileiro Sa filed Critical Petroleo Brasileiro Sa
Priority to BR9300293A priority Critical patent/BR9300293A/pt
Priority to US08/186,474 priority patent/US5465747A/en
Publication of BR9300293A publication Critical patent/BR9300293A/pt

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
    • 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
    • E21B43/122—Gas lift
    • E21B43/123—Gas lift valves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2931—Diverse fluid containing pressure systems
    • Y10T137/2934—Gas lift valves for 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)
  • Lift Valve (AREA)
BR9300293A 1993-01-27 1993-01-27 Válvula de pressão aperfeiçoada BR9300293A (pt)

Priority Applications (2)

Application Number Priority Date Filing Date Title
BR9300293A BR9300293A (pt) 1993-01-27 1993-01-27 Válvula de pressão aperfeiçoada
US08/186,474 US5465747A (en) 1993-01-27 1994-01-26 Pressure valve assembly for use in gas-lift producing oil-wells

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BR9300293A BR9300293A (pt) 1993-01-27 1993-01-27 Válvula de pressão aperfeiçoada

Publications (1)

Publication Number Publication Date
BR9300293A true BR9300293A (pt) 1994-08-16

Family

ID=4055715

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9300293A BR9300293A (pt) 1993-01-27 1993-01-27 Válvula de pressão aperfeiçoada

Country Status (2)

Country Link
US (1) US5465747A (pt)
BR (1) BR9300293A (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO332752B1 (no) * 2007-06-05 2013-01-07 Petroleum Technology Co As Belgventil
US9010353B2 (en) * 2011-08-04 2015-04-21 Weatherford Technology Holdings, Llc Gas lift valve having edge-welded bellows and captive sliding seal
NO2734508T3 (pt) * 2014-11-26 2018-07-28
CN106050195A (zh) * 2016-06-07 2016-10-26 成都北方石油勘探开发技术有限公司 一种井下用气举阀
CN105888628A (zh) * 2016-06-07 2016-08-24 成都北方石油勘探开发技术有限公司 井下压力调节器
CN105888627A (zh) * 2016-06-07 2016-08-24 成都北方石油勘探开发技术有限公司 一种压力调节器
US11326425B2 (en) * 2020-03-17 2022-05-10 Silverwell Technology Ltd Pressure protection system for lift gas injection
CN111535784B (zh) * 2020-04-17 2022-03-01 四川轻化工大学 一种负压抽吸与气举复合作用泵及其作业方法
CN112253055A (zh) * 2020-11-27 2021-01-22 西南石油大学 一种适用于变压力气举举升工艺技术的防倒流气举阀

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US989441A (en) * 1910-06-28 1911-04-11 James Edward Suits Oil-well control.
US3028815A (en) * 1957-08-12 1962-04-10 Otis Eng Co Automatic intermitting device
US3131644A (en) * 1960-11-14 1964-05-05 Pan American Petroleum Company Gas lift apparatus
US3363581A (en) * 1966-05-16 1968-01-16 Kelley Kork Gas lift valve
US4512155A (en) * 1979-12-03 1985-04-23 Itzhak Sheinbaum Flowing geothermal wells and heat recovery systems

Also Published As

Publication number Publication date
US5465747A (en) 1995-11-14

Similar Documents

Publication Publication Date Title
DE69431761D1 (de) Multifunktions-rueckschlagventil
DE69409575D1 (de) Membranventil
DE59401608D1 (de) Ventilblock
DK1170184T3 (da) Ventilkonnektor
DE69413100D1 (de) Hochdruckmembranventil
DE69500878D1 (de) Druckventil
DE69208635D1 (de) Gegendruckventil
ITMI940438A0 (it) Valvola combinata
BR9601163A (pt) Válvula
DE59404227D1 (de) Ventilanordnung
DE59405288D1 (de) Ventilanordnung
DE69602905D1 (de) Druckreduzierventil
DE59400983D1 (de) Ventilblockaggregat
DE59304299D1 (de) Fluidische Ventileinheit
DE59407779D1 (de) Druckregelventil
DE59406388D1 (de) Ventilanordnung
BR9300293A (pt) Válvula de pressão aperfeiçoada
BR9404750A (pt) Válvula de alívio
BR9601068A (pt) Válvula
DE59405336D1 (de) Ventilanordnung
PL300440A1 (en) Pressure limiting valve
DE59408022D1 (de) Ventilanordnung
BR9607011A (pt) Válvula de redução de pressão
BR9607806A (pt) Válvula de pressão
DE69410383D1 (de) Ventilanordnung

Legal Events

Date Code Title Description
EE Request for examination
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B22L Other matters related to patents and certificates of addition of invention: notification of licence offer (art 64 par 1 of lpi)
B22L Other matters related to patents and certificates of addition of invention: notification of licence offer (art 64 par 1 of lpi)
B22L Other matters related to patents and certificates of addition of invention: notification of licence offer (art 64 par 1 of lpi)
B21A Patent or certificate of addition expired [chapter 21.1 patent gazette]

Free format text: PATENTE EXTINTA EM 27/01/2013