IT961747B - Valvola di sicurezza per pozzi petroliferi - Google Patents

Valvola di sicurezza per pozzi petroliferi

Info

Publication number
IT961747B
IT961747B IT51830/72A IT5183072A IT961747B IT 961747 B IT961747 B IT 961747B IT 51830/72 A IT51830/72 A IT 51830/72A IT 5183072 A IT5183072 A IT 5183072A IT 961747 B IT961747 B IT 961747B
Authority
IT
Italy
Prior art keywords
safety valve
petroleum wells
wells
petroleum
safety
Prior art date
Application number
IT51830/72A
Other languages
English (en)
Italian (it)
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
Application granted granted Critical
Publication of IT961747B publication Critical patent/IT961747B/it

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
    • E21B34/02—Valve arrangements for boreholes or wells in well heads
    • 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
    • E21B2200/04—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
IT51830/72A 1971-07-30 1972-07-28 Valvola di sicurezza per pozzi petroliferi IT961747B (it)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
IT961747B true IT961747B (it) 1973-12-10

Family

ID=22608816

Family Applications (1)

Application Number Title Priority Date Filing Date
IT51830/72A IT961747B (it) 1971-07-30 1972-07-28 Valvola di sicurezza per pozzi petroliferi

Country Status (8)

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

Families Citing this family (7)

* 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

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 (de) 1973-03-16
GB1380746A (en) 1975-01-15
FR2148096B1 (de) 1978-03-03
CA946738A (en) 1974-05-07
US3710860A (en) 1973-01-16
JPS4910805A (de) 1974-01-30
AU4509772A (en) 1973-11-08
DE2237239A1 (de) 1973-02-08
AU441901B2 (en) 1973-11-08
DE2237239B2 (de) 1974-07-04
DE2237239C3 (de) 1975-03-06

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