IT1008648B - Valvola di sicurezza subsuperfi ciale con mezzi di equilibramento di valvola migliorati - Google Patents

Valvola di sicurezza subsuperfi ciale con mezzi di equilibramento di valvola migliorati

Info

Publication number
IT1008648B
IT1008648B IT47524/74A IT4752474A IT1008648B IT 1008648 B IT1008648 B IT 1008648B IT 47524/74 A IT47524/74 A IT 47524/74A IT 4752474 A IT4752474 A IT 4752474A IT 1008648 B IT1008648 B IT 1008648B
Authority
IT
Italy
Prior art keywords
sub
valve
balancing means
surface safety
improved
Prior art date
Application number
IT47524/74A
Other languages
English (en)
Original Assignee
Baker Oil Tools 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 Baker Oil Tools Inc filed Critical Baker Oil Tools Inc
Application granted granted Critical
Publication of IT1008648B publication Critical patent/IT1008648B/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
    • 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
    • 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
    • E21B2200/04—Ball 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
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7723—Safety cut-off requiring reset
    • Y10T137/7726—Responsive to change in rate of flow
    • Y10T137/7727—Excessive flow cut-off
    • 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
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7781—With separate connected fluid reactor surface
    • Y10T137/7782—With manual or external control for line valve
    • 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
    • Y10T137/8593—Systems
    • Y10T137/86928—Sequentially progressive opening or closing of plural valves
    • Y10T137/86936—Pressure equalizing or auxiliary shunt flow
    • 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
    • Y10T137/8593—Systems
    • Y10T137/86928—Sequentially progressive opening or closing of plural valves
    • Y10T137/86936—Pressure equalizing or auxiliary shunt flow
    • Y10T137/86944—One valve seats against other valve [e.g., concentric valves]

Landscapes

  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Safety Valves (AREA)
  • Taps Or Cocks (AREA)
  • Check Valves (AREA)
  • Hydraulic Control Valves For Brake Systems (AREA)
IT47524/74A 1973-01-08 1974-01-03 Valvola di sicurezza subsuperfi ciale con mezzi di equilibramento di valvola migliorati IT1008648B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00322075A US3830297A (en) 1973-01-08 1973-01-08 Sub-surface safety valve with improved balancing valve means

Publications (1)

Publication Number Publication Date
IT1008648B true IT1008648B (it) 1976-11-30

Family

ID=23253307

Family Applications (1)

Application Number Title Priority Date Filing Date
IT47524/74A IT1008648B (it) 1973-01-08 1974-01-03 Valvola di sicurezza subsuperfi ciale con mezzi di equilibramento di valvola migliorati

Country Status (6)

Country Link
US (1) US3830297A (it)
JP (1) JPS5442322B2 (it)
CA (1) CA978850A (it)
FR (1) FR2213407A1 (it)
GB (1) GB1446889A (it)
IT (1) IT1008648B (it)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3901321A (en) * 1973-12-26 1975-08-26 Hydril Co Safety valve method and apparatus
US3901315A (en) * 1974-04-11 1975-08-26 Del Norte Technology Downhole valve
US3993136A (en) * 1975-08-25 1976-11-23 Hydril Company Apparatus for operating a closure element of a subsurface safety valve and method of using same
US4062406A (en) * 1976-10-15 1977-12-13 Baker International Corporation Valve and lubricator apparatus
US4325434A (en) * 1977-10-17 1982-04-20 Baker International Corporation Tubing shut off valve
US4340088A (en) * 1980-06-09 1982-07-20 Daniel Industries, Inc. Pressure balanced safety valve for wells and flow lines
US4399870A (en) * 1981-10-22 1983-08-23 Hughes Tool Company Annulus operated test valve
US4566478A (en) * 1982-04-27 1986-01-28 Otis Engineering Corporation Well safety and kill valve
US4415027A (en) * 1982-06-16 1983-11-15 Russell Larry R Accumulator recharging valve
US4522370A (en) * 1982-10-27 1985-06-11 Otis Engineering Corporation Valve
US4476933A (en) * 1983-04-11 1984-10-16 Baker Oil Tools, Inc. Lubricator valve apparatus
US4624317A (en) * 1984-09-12 1986-11-25 Halliburton Company Well tool with improved valve support structure
GB2358657B (en) * 1997-07-28 2001-10-03 Smith International Bypass valve closing means
US6003550A (en) * 1998-07-10 1999-12-21 Saarem; Myrl J. Combination shut off valve and excessive flow valve
US6401741B1 (en) 2000-11-07 2002-06-11 Jimmy D. Cain Excess flow shut-off valve
US6666271B2 (en) 2001-11-01 2003-12-23 Weatherford/Lamb, Inc. Curved flapper and seat for a subsurface saftey valve
US8251147B2 (en) 2005-06-08 2012-08-28 Baker Hughes Incorporated Method and apparatus for continuously injecting fluid in a wellbore while maintaining safety valve operation
DK1888873T3 (da) * 2005-06-08 2014-01-27 Baker Hughes Inc Fremgangsmåde og apparatur til kontinuerlig injektion af fluid i et borehul under opretholdelse af sikkerhedsventilfunktion
US7331398B2 (en) * 2005-06-14 2008-02-19 Schlumberger Technology Corporation Multi-drop flow control valve system
US8534361B2 (en) * 2009-10-07 2013-09-17 Baker Hughes Incorporated Multi-stage pressure equalization valve assembly for subterranean valves
US8336628B2 (en) * 2009-10-20 2012-12-25 Baker Hughes Incorporated Pressure equalizing a ball valve through an upper seal bypass
US8539975B2 (en) * 2009-10-30 2013-09-24 Hydril Usa Manufacturing, Llc Drill string valve and method
CN107255174B (zh) * 2017-06-22 2019-01-15 河北良泰机械设备有限公司 一种容易旋转从而开关管道的阀门
CN107269876A (zh) * 2017-06-28 2017-10-20 重庆市金渝管道设备有限公司 一种容易旋转从而开关管道的阀门
US10550667B2 (en) 2017-10-23 2020-02-04 CNPC USA Corp. Isolation valve assembly
CN108999589B (zh) * 2018-07-26 2021-11-23 中国石油大学(华东) 一种修井作业井下防喷器
US10954750B2 (en) * 2019-07-01 2021-03-23 Saudi Arabian Oil Company Subsurface safety valve with rotating disk

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3065794A (en) * 1957-08-19 1962-11-27 Page Oil Tools Inc Retrievable well flow control valve
US3078923A (en) * 1960-04-15 1963-02-26 Camco Inc Safety valve for wells
US3151681A (en) * 1960-08-08 1964-10-06 Cicero C Brown Sleeve valve for well pipes
US3696868A (en) * 1970-12-18 1972-10-10 Otis Eng Corp Well flow control valves and well systems utilizing the same
US3741249A (en) * 1971-03-22 1973-06-26 Baker Oil Tools Inc Ball valve with resilient seal
US3796257A (en) * 1972-03-20 1974-03-12 Baker Oil Tools Inc Subsurface safety valve

Also Published As

Publication number Publication date
FR2213407A1 (it) 1974-08-02
JPS49101204A (it) 1974-09-25
CA978850A (en) 1975-12-02
JPS5442322B2 (it) 1979-12-13
US3830297A (en) 1974-08-20
DE2365155B2 (de) 1975-10-09
GB1446889A (en) 1976-08-18
DE2365155A1 (de) 1974-07-18

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