CA978850A - Subsurface safety valve with improved balancing valve means - Google Patents
Subsurface safety valve with improved balancing valve meansInfo
- Publication number
- CA978850A CA978850A CA184,166A CA184166A CA978850A CA 978850 A CA978850 A CA 978850A CA 184166 A CA184166 A CA 184166A CA 978850 A CA978850 A CA 978850A
- Authority
- CA
- Canada
- Prior art keywords
- subsurface safety
- improved balancing
- valve
- safety valve
- valve means
- 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
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)
- Check Valves (AREA)
- Taps Or Cocks (AREA)
- Hydraulic Control Valves For Brake Systems (AREA)
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 |
---|---|
CA978850A true CA978850A (en) | 1975-12-02 |
Family
ID=23253307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA184,166A Expired CA978850A (en) | 1973-01-08 | 1973-10-24 | Subsurface safety valve with improved balancing valve means |
Country Status (6)
Country | Link |
---|---|
US (1) | US3830297A (en) |
JP (1) | JPS5442322B2 (en) |
CA (1) | CA978850A (en) |
FR (1) | FR2213407A1 (en) |
GB (1) | GB1446889A (en) |
IT (1) | IT1008648B (en) |
Families Citing this family (27)
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 |
US7712537B2 (en) * | 2005-06-08 | 2010-05-11 | Bj Services Company U.S.A. | Method and apparatus for continuously injecting fluid in a wellbore while maintaining safety valve operation |
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 (en) * | 2017-06-22 | 2019-01-15 | 河北良泰机械设备有限公司 | A kind of easy valve for rotating to switch pipeline |
CN107269876A (en) * | 2017-06-28 | 2017-10-20 | 重庆市金渝管道设备有限公司 | A kind of easy rotation is so as to switch the valve of pipeline |
US10550667B2 (en) | 2017-10-23 | 2020-02-04 | CNPC USA Corp. | Isolation valve assembly |
CN108999589B (en) * | 2018-07-26 | 2021-11-23 | 中国石油大学(华东) | Downhole blowout preventer for workover operation |
US10954750B2 (en) * | 2019-07-01 | 2021-03-23 | Saudi Arabian Oil Company | Subsurface safety valve with rotating disk |
Family Cites Families (6)
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 |
-
1973
- 1973-01-08 US US00322075A patent/US3830297A/en not_active Expired - Lifetime
- 1973-09-25 JP JP10786773A patent/JPS5442322B2/ja not_active Expired
- 1973-10-16 FR FR7336878A patent/FR2213407A1/fr not_active Withdrawn
- 1973-10-24 CA CA184,166A patent/CA978850A/en not_active Expired
- 1973-12-10 GB GB5705273A patent/GB1446889A/en not_active Expired
-
1974
- 1974-01-03 IT IT47524/74A patent/IT1008648B/en active
Also Published As
Publication number | Publication date |
---|---|
GB1446889A (en) | 1976-08-18 |
IT1008648B (en) | 1976-11-30 |
DE2365155B2 (en) | 1975-10-09 |
US3830297A (en) | 1974-08-20 |
JPS5442322B2 (en) | 1979-12-13 |
DE2365155A1 (en) | 1974-07-18 |
JPS49101204A (en) | 1974-09-25 |
FR2213407A1 (en) | 1974-08-02 |
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