GB1375086A - - Google Patents

Info

Publication number
GB1375086A
GB1375086A GB4362272A GB4362272A GB1375086A GB 1375086 A GB1375086 A GB 1375086A GB 4362272 A GB4362272 A GB 4362272A GB 4362272 A GB4362272 A GB 4362272A GB 1375086 A GB1375086 A GB 1375086A
Authority
GB
United Kingdom
Prior art keywords
flap
pressure
valve
piston
closes
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.)
Expired
Application number
GB4362272A
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 filed Critical
Publication of GB1375086A publication Critical patent/GB1375086A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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 DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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

Abstract

1375086 Valves GAZ DE FRANCE 20 Sept 1972 [21 Sept 1971] 43622/72 Heading F2V A safety valve for mounting on a vertically disposed pipe comprises a valve seat 18 and a pivoted flap 17 which is retained against the closing action of a counterweight 40 by means of a piston 52 subjected to fluid pressure in a chamber 53. When the pressure is reduced, the flap closes automatically. The piston acts on one end 47 of a pivoted stirrup 30, which, at its other end, is pivotally connected to the flap and to the counterweight. In the closed position of. the valve, fluid can leak through passages 62, 60, 61 in the flap to equalize small pressure differences and thereby enable the flap to be readily re-opened by re-pressurizing the chamber 53. For large pressure differentials, however, a ball 63 closes the leak passages, and, to equalize the pressure on each side of the flap, it is necessary to insert a tool down a tube 11 to open a valve 56. The valve is contained in a housing 12 which can be screwed on to the vertically disposed pipe. In another embodiment, Fig. 8, the flap 117 is retained on its seat by a spring 80 acting on the stirrup 30. A pin 74 extending from a spring-loaded arm 70 closes a pressure equalizing port 76. Downward movement of the end 50 of a piston first causes the pressure equalization port 76 to open and thereafter the flap 117.
GB4362272A 1971-09-21 1972-09-20 Expired GB1375086A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1375086A true GB1375086A (en) 1974-11-27

Family

ID=9083265

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4362272A Expired GB1375086A (en) 1971-09-21 1972-09-20

Country Status (7)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2170885A (en) * 1985-01-28 1986-08-13 Boc Group Inc Vacuum processing apparatus
GB2278905A (en) * 1993-06-04 1994-12-14 Forsac Ltd Emergency shutdown valve

Families Citing this family (18)

* 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
FR2596804B1 (en) * 1986-04-02 1988-05-27 Elf Aquitaine SAFETY VALVE OF DOWNHOLE OF OIL PUMP
DE9017300U1 (en) * 1990-12-21 1991-03-28 Lutz, Wilhelm
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
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 (en) * 2010-01-11 2012-09-17 Nat Oilwell Norway As Internal blowout protection
CN102536132B (en) * 2011-12-31 2014-08-13 中国石油集团川庆钻探工程有限公司 Drilling tool joint convenient for inclinometry operation
CN102606109B (en) * 2012-04-01 2015-09-23 中国石油集团西部钻探工程有限公司 Shutter-type oil pipe float valve device
CN102606108B (en) * 2012-04-01 2015-07-08 中国石油集团西部钻探工程有限公司 Pitching pressure-out opening oil tube constant-pressure floating valve
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 (en) * 2020-07-28 2022-03-11 合力（天津）能源科技股份有限公司 Ball-throwing type oil pipe blocking device

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2170885A (en) * 1985-01-28 1986-08-13 Boc Group Inc Vacuum processing apparatus
US4753417A (en) * 1985-01-28 1988-06-28 The Boc Group, Inc. Gate valve for vacuum processing apparatus
GB2278905A (en) * 1993-06-04 1994-12-14 Forsac Ltd Emergency shutdown valve

Also Published As

Publication number Publication date
NL7212805A (en) 1973-03-23
DE2245493A1 (en) 1973-03-22
IT965419B (en) 1974-01-31
FR2153710A5 (en) 1973-05-04
BE788663A (en) 1973-03-12
US3788595A (en) 1974-01-29

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee