GB1380746A - Safety valves particularly for petroleum wells - Google Patents

Safety valves particularly for petroleum wells

Info

Publication number
GB1380746A
GB1380746A GB3080772A GB3080772A GB1380746A GB 1380746 A GB1380746 A GB 1380746A GB 3080772 A GB3080772 A GB 3080772A GB 3080772 A GB3080772 A GB 3080772A GB 1380746 A GB1380746 A GB 1380746A
Authority
GB
United Kingdom
Prior art keywords
valve
rod
piston
bore
well
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
GB3080772A
Other languages
English (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.)
Vetco Gray LLC
Original Assignee
Gray Tool Co
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 Gray Tool Co filed Critical Gray Tool Co
Publication of GB1380746A publication Critical patent/GB1380746A/en
Expired legal-status Critical Current

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
    • E21B34/02—Valve arrangements for boreholes or wells in well heads
    • 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
    • E21B2200/03—Valves operated by gear mechanisms, e.g. rack and pinion mechanisms
    • 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
    • Y10T137/7781—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
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7781—With separate connected fluid reactor surface
    • Y10T137/7793—With opening bias [e.g., pressure regulator]
    • Y10T137/7831—With mechanical movement between actuator and valve

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)
  • Taps Or Cocks (AREA)
  • Lift Valve (AREA)
  • Mechanically-Actuated Valves (AREA)
GB3080772A 1971-07-30 1972-06-30 Safety valves particularly for petroleum wells Expired GB1380746A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16778471A 1971-07-30 1971-07-30

Publications (1)

Publication Number Publication Date
GB1380746A true GB1380746A (en) 1975-01-15

Family

ID=22608816

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3080772A Expired GB1380746A (en) 1971-07-30 1972-06-30 Safety valves particularly for petroleum wells

Country Status (8)

Country Link
US (1) US3710860A (enExample)
JP (1) JPS4910805A (enExample)
AU (1) AU441901B2 (enExample)
CA (1) CA946738A (enExample)
DE (1) DE2237239C3 (enExample)
FR (1) FR2148096B1 (enExample)
GB (1) GB1380746A (enExample)
IT (1) IT961747B (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3850237A (en) * 1971-11-01 1974-11-26 Vetco Offshore Ind Inc Mudline emergency shutoff for offshore wells
US3870101A (en) * 1973-04-25 1975-03-11 Baker Oil Tools Inc Removable subsea production test valve assembly
US4307745A (en) * 1978-10-27 1981-12-29 Combustion Engineering, Inc. Backseating and stop for valve operator
GB9511386D0 (en) * 1995-06-06 1995-08-02 Petroleum Eng Services Improvements relating to ball valves
US8960310B2 (en) * 2011-06-14 2015-02-24 Cameron International Corporation Apparatus and method for connecting fluid lines
GB201620731D0 (en) * 2016-12-06 2017-01-18 Daliburgh Subsea Ltd Valve assembly
CN107461174B (zh) * 2017-09-26 2023-07-21 西南石油大学 一种井下安全阀
US12486922B1 (en) * 2024-07-10 2025-12-02 Halliburton Energy Services, Inc. Valve actuation assembly with a cable and shaft

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2497032A (en) * 1944-07-31 1950-02-07 Edgar W Millard Automatic safety flow control
US2500883A (en) * 1945-06-15 1950-03-14 Gerotor May Corp Piston valve
US3318386A (en) * 1955-01-26 1967-05-09 Garrett Well fluid flow regulator
US3035808A (en) * 1956-08-30 1962-05-22 Hydril Co Pressure responsive valve
US2998070A (en) * 1958-11-17 1961-08-29 Otis Eng Co Tamper proof manifold
US3115891A (en) * 1960-11-23 1963-12-31 United Aircraft Prod Combined shut-off and flow regulating valve
US3419076A (en) * 1965-08-12 1968-12-31 Otis Eng Co Surface condition responsive subsurface safety valve system
US3509913A (en) * 1967-07-25 1970-05-05 Hydril Co Rotary plug well safety valve

Also Published As

Publication number Publication date
FR2148096A1 (enExample) 1973-03-16
DE2237239A1 (de) 1973-02-08
IT961747B (it) 1973-12-10
US3710860A (en) 1973-01-16
AU441901B2 (en) 1973-11-08
JPS4910805A (enExample) 1974-01-30
DE2237239B2 (de) 1974-07-04
DE2237239C3 (de) 1975-03-06
FR2148096B1 (enExample) 1978-03-03
AU4509772A (en) 1973-11-08
CA946738A (en) 1974-05-07

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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