IT965419B - Perfezionamento nelle valvole di sicurezza del tipo a cerniera - Google Patents

Perfezionamento nelle valvole di sicurezza del tipo a cerniera

Info

Publication number
IT965419B
IT965419B IT52841/72A IT5284172A IT965419B IT 965419 B IT965419 B IT 965419B IT 52841/72 A IT52841/72 A IT 52841/72A IT 5284172 A IT5284172 A IT 5284172A IT 965419 B IT965419 B IT 965419B
Authority
IT
Italy
Prior art keywords
hinged
improvement
type safety
safety valves
valves
Prior art date
Application number
IT52841/72A
Other languages
English (en)
Original Assignee
Gaz De France
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 Gaz De France filed Critical Gaz De France
Application granted granted Critical
Publication of IT965419B publication Critical patent/IT965419B/it

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
    • E21B34/10—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
    • 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
    • E21B34/10—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
    • E21B34/101—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole with means for equalizing fluid pressure above and below the valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/20—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
    • F16K1/2007—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member specially adapted operating means therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/20—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
    • F16K1/2014—Shaping of the valve member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/20—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
    • F16K1/2028—Details of bearings for the axis of rotation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/20—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve member
    • F16K1/2042—Special features or arrangements of the sealing
    • F16K1/205—Special features or arrangements of the sealing the sealing being arranged on the valve member
    • 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
    • E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
    • E21B2200/05—Flapper valves

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Check Valves (AREA)
  • Safety Valves (AREA)
  • Lift Valve (AREA)
IT52841/72A 1971-09-21 1972-09-19 Perfezionamento nelle valvole di sicurezza del tipo a cerniera IT965419B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7133970A FR2153710A5 (it) 1971-09-21 1971-09-21

Publications (1)

Publication Number Publication Date
IT965419B true IT965419B (it) 1974-01-31

Family

ID=9083265

Family Applications (1)

Application Number Title Priority Date Filing Date
IT52841/72A IT965419B (it) 1971-09-21 1972-09-19 Perfezionamento nelle valvole di sicurezza del tipo a cerniera

Country Status (7)

Country Link
US (1) US3788595A (it)
BE (1) BE788663A (it)
DE (1) DE2245493A1 (it)
FR (1) FR2153710A5 (it)
GB (1) GB1375086A (it)
IT (1) IT965419B (it)
NL (1) NL7212805A (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4325431A (en) * 1980-07-10 1982-04-20 Ava International Corporation Flow controlling apparatus
US4475599A (en) * 1981-05-01 1984-10-09 Baker International Corporation Valve for subterranean wells
US4753417A (en) * 1985-01-28 1988-06-28 The Boc Group, Inc. Gate valve for vacuum processing apparatus
FR2596804B1 (fr) * 1986-04-02 1988-05-27 Elf Aquitaine Vanne de securite de fond de puits de petrole pompe
DE9017300U1 (de) * 1990-12-21 1991-03-28 Lutz, Wilhelm Heizungsventil für eine Einrohrheizungsanlage
US5145005A (en) * 1991-04-26 1992-09-08 Otis Engineering Corporation Casing shut-in valve system
US5197515A (en) * 1991-06-14 1993-03-30 Pneu-Draulics, Inc. Aircraft waste system drain valve
GB9311555D0 (en) * 1993-06-04 1993-07-21 Forsac Ltd Improvement in subsea valves
AU7712998A (en) * 1997-06-03 1998-12-21 Camco International, Inc. Pressure equalizing safety valve for subterranean wells
US6283217B1 (en) 1998-08-06 2001-09-04 Schlumberger Technology Corp. Axial equalizing valve
GB2345076B (en) 1998-12-22 2001-06-20 Camco Int Pilot-operated pressure-equalizing mechanism for subsurface valve
US6848509B2 (en) * 2001-10-22 2005-02-01 Baker Hughes Incorporated Pressure equalizing plunger valve for downhole use
US6854519B2 (en) * 2002-05-03 2005-02-15 Weatherford/Lamb, Inc. Subsurface valve with system and method for sealing
NO332438B1 (no) * 2010-01-11 2012-09-17 Nat Oilwell Norway As Innvendig utblasingssikring
CN102536132B (zh) * 2011-12-31 2014-08-13 中国石油集团川庆钻探工程有限公司 便于测斜作业的钻具接头
CN102606108B (zh) * 2012-04-01 2015-07-08 中国石油集团西部钻探工程有限公司 投球憋压打开式油管定压浮阀
CN102606109B (zh) * 2012-04-01 2015-09-23 中国石油集团西部钻探工程有限公司 活门式油管浮阀装置
US10612345B2 (en) * 2015-02-17 2020-04-07 Halliburton Energy Services, Inc. 3D printed flapper valve
US10352128B1 (en) * 2019-02-08 2019-07-16 Vertice Oil Tools Methods and systems for fracing
CN111894518B (zh) * 2020-07-28 2022-03-11 合力（天津）能源科技股份有限公司 一种投球式油管堵塞装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1783621A (en) * 1928-01-03 1930-12-02 Charles S Johnson Valve
US3075539A (en) * 1958-05-26 1963-01-29 Babcock & Wilcox Co Positively actuated valve means
US3442484A (en) * 1966-08-29 1969-05-06 Kinney Eng Inc S P Blast furnace backdraft valve

Also Published As

Publication number Publication date
GB1375086A (it) 1974-11-27
NL7212805A (it) 1973-03-23
US3788595A (en) 1974-01-29
FR2153710A5 (it) 1973-05-04
BE788663A (fr) 1973-03-12
DE2245493A1 (de) 1973-03-22

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