CA946738A - Petroleum well safety valve - Google Patents

Petroleum well safety valve

Info

Publication number
CA946738A
CA946738A CA138,303A CA138303A CA946738A CA 946738 A CA946738 A CA 946738A CA 138303 A CA138303 A CA 138303A CA 946738 A CA946738 A CA 946738A
Authority
CA
Canada
Prior art keywords
safety valve
petroleum well
well safety
petroleum
valve
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
CA138,303A
Other languages
English (en)
Other versions
CA138303S (en
Inventor
Marvin L. Holbert (Jr.)
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
Application granted granted Critical
Publication of CA946738A publication Critical patent/CA946738A/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
    • E21B34/02—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
CA138,303A 1971-07-30 1972-03-28 Petroleum well safety valve Expired CA946738A (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
CA946738A true CA946738A (en) 1974-05-07

Family

ID=22608816

Family Applications (1)

Application Number Title Priority Date Filing Date
CA138,303A Expired CA946738A (en) 1971-07-30 1972-03-28 Petroleum well safety valve

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
IT961747B (it) 1973-12-10
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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