IT961747B - SAFETY VALVE FOR PETROLEUM WELLS - Google Patents

SAFETY VALVE FOR PETROLEUM WELLS

Info

Publication number: IT961747B
Authority: IT; Italy
Prior art keywords: safety valve; petroleum wells; wells; petroleum; safety
Prior art date: 1971-07-30

Application number

IT51830/72A

Other languages

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.)

1971-07-30

Filing date

1972-07-28

Publication date

1973-12-10

1972-07-28 Application filed by Gray Tool Co filed Critical Gray Tool Co

1973-12-10 Application granted granted Critical

1973-12-10 Publication of IT961747B publication Critical patent/IT961747B/en

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)
Mechanically-Actuated Valves (AREA)
Lift Valve (AREA)

IT51830/72A 1971-07-30 1972-07-28 SAFETY VALVE FOR PETROLEUM WELLS IT961747B (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
IT961747B true IT961747B (en)	1973-12-10

Family

ID=22608816

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT51830/72A IT961747B (en)	1971-07-30	1972-07-28	SAFETY VALVE FOR PETROLEUM WELLS

Country Status (8)

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

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 (en) *	2017-09-26	2023-07-21	西南石油大学	A kind of downhole safety valve

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

1971
- 1971-07-30 US US00167784A patent/US3710860A/en not_active Expired - Lifetime
1972
- 1972-03-28 CA CA138,303A patent/CA946738A/en not_active Expired
- 1972-05-25 JP JP47051279A patent/JPS4910805A/ja active Pending
- 1972-06-30 GB GB3080772A patent/GB1380746A/en not_active Expired
- 1972-07-28 DE DE2237239A patent/DE2237239C3/en not_active Expired
- 1972-07-28 AU AU45097/72A patent/AU441901B2/en not_active Expired
- 1972-07-28 FR FR7227403A patent/FR2148096B1/fr not_active Expired
- 1972-07-28 IT IT51830/72A patent/IT961747B/en active

Also Published As

Publication number	Publication date
FR2148096A1 (en)	1973-03-16
DE2237239C3 (en)	1975-03-06
US3710860A (en)	1973-01-16
DE2237239B2 (en)	1974-07-04
GB1380746A (en)	1975-01-15
DE2237239A1 (en)	1973-02-08
JPS4910805A (en)	1974-01-30
CA946738A (en)	1974-05-07
FR2148096B1 (en)	1978-03-03
AU441901B2 (en)	1973-11-08
AU4509772A (en)	1973-11-08

Publication	Publication Date	Title
CA951240A (en)	1974-07-16	Wellbore safety valve
IT964857B (en)	1974-01-31	VALVE FOR COMPRESSORS
IT971932B (en)	1974-05-10	VALVE FOR FLUIDS
IT965901B (en)	1974-02-11	PROCEDURE FOR THE PRODUCTION OF LIQUID PETROLEUM GAS
IT953328B (en)	1973-08-10	VALVE FOR CHECKING FLUIDS
BE780229A (en)	1972-07-03	Valve
IT949964B (en)	1973-06-11	HYDRAULIC VALVE LIFTER
DK139782B (en)	1979-04-17	Oil barrier.
IT940717B (en)	1973-02-20	SUBSTRUCTURE FOR DRILLING TOWERS FOR OIL WELLS WITH TROLLEYS FOR EMERGENCY VALVES
IT974309B (en)	1974-06-20	IMPROVEMENT IN THE VALVES FOR PETROLEUM LI GAS CYLINDERS QUEFATTO
AT324790B (en)	1975-09-25	SAFETY VALVE
IT961747B (en)	1973-12-10	SAFETY VALVE FOR PETROLEUM WELLS
IL37695A0 (en)	1971-11-29	Injection of fluids for the displacement of oil within a subterranean formation
AR207843A1 (en)	1976-11-08	OBTURATOR FOR DRILLING WELLS
SE382859B (en)	1976-02-16	QUICK CLOSING SAFETY VALVE
DK138667C (en)	1979-03-12	VALVE COMBINATION FOR HYDRAULIC SYSTEMS
IT960940B (en)	1973-11-30	TAP VALVE
BE790896A (en)	1973-05-03	HYDRAULIC FLUIDS
IT952793B (en)	1973-07-30	HYDRAULIC SAFETY VALVE
IT971350B (en)	1974-04-30	HYDRAULIC VALVE
GB1369116A (en)	1974-10-02	Valves for fluids
NL176488B (en)	1984-11-16	WINPUT WITH UNDERGROUND VALVE.
GB1387752A (en)	1975-03-19	Safety valve assembly for production wells
BE763683A (en)	1971-09-02	HYDROCARBON CRACKING
IT947839B (en)	1973-05-30	VALVE BLOCK