CA1092483A - Valve actuator and pilot assembly therefor - Google Patents
Valve actuator and pilot assembly thereforInfo
- Publication number
- CA1092483A CA1092483A CA290,412A CA290412A CA1092483A CA 1092483 A CA1092483 A CA 1092483A CA 290412 A CA290412 A CA 290412A CA 1092483 A CA1092483 A CA 1092483A
- Authority
- CA
- Canada
- Prior art keywords
- pilot
- valve
- spool
- fluid pressure
- seat
- 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
- 239000012530 fluid Substances 0.000 claims abstract description 207
- 230000005540 biological transmission Effects 0.000 claims abstract description 47
- 230000033001 locomotion Effects 0.000 claims abstract description 19
- 230000004044 response Effects 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 41
- 238000004891 communication Methods 0.000 claims description 33
- 230000006854 communication Effects 0.000 claims description 33
- 238000013022 venting Methods 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims 2
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- 230000007935 neutral effect Effects 0.000 description 20
- 230000008439 repair process Effects 0.000 description 14
- 125000006850 spacer group Chemical group 0.000 description 13
- 230000007246 mechanism Effects 0.000 description 10
- 238000011144 upstream manufacturing Methods 0.000 description 10
- 238000007667 floating Methods 0.000 description 9
- 239000000306 component Substances 0.000 description 7
- 230000001012 protector Effects 0.000 description 7
- 230000004913 activation Effects 0.000 description 6
- 238000012856 packing Methods 0.000 description 5
- 239000000356 contaminant Substances 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
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- 239000006023 eutectic alloy Substances 0.000 description 3
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- 238000003780 insertion Methods 0.000 description 3
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- 230000002441 reversible effect Effects 0.000 description 3
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- 238000010276 construction Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000002674 ointment Substances 0.000 description 2
- 239000012188 paraffin wax Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 241001556567 Acanthamoeba polyphaga mimivirus Species 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
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- 239000011148 porous material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/36—Actuating devices; Operating means; Releasing devices actuated by fluid in which fluid from the circuit is constantly supplied to the fluid motor
-
- 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
- E21B34/16—Control means therefor being outside the borehole
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/10—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with auxiliary valve for fluid operation of the main 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
- Y10T137/0971—Speed responsive valve control
- Y10T137/108—Centrifugal mass type [exclusive of liquid]
- Y10T137/1171—With fluid servo-motor
-
- 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
- Y10T137/2496—Self-proportioning or correlating systems
- Y10T137/2544—Supply and exhaust type
-
- 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
- Y10T137/7725—Responsive to both high and low pressure or velocity
-
- 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
- Y10T137/7758—Pilot or servo controlled
- Y10T137/7762—Fluid pressure type
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Fluid-Driven Valves (AREA)
- Control Of Fluid Pressure (AREA)
- Servomotors (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/794,571 US4157167A (en) | 1977-05-06 | 1977-05-06 | Valve actuator and pilot assembly therefor |
| US794,571 | 1977-05-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1092483A true CA1092483A (en) | 1980-12-30 |
Family
ID=25163027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA290,412A Expired CA1092483A (en) | 1977-05-06 | 1977-11-08 | Valve actuator and pilot assembly therefor |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4157167A (en, 2012) |
| CA (1) | CA1092483A (en, 2012) |
| FR (1) | FR2389817A1 (en, 2012) |
| GB (1) | GB1603879A (en, 2012) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4279272A (en) * | 1977-10-13 | 1981-07-21 | Baker Cac, Inc. | Flow line monitor pilot valve assembly |
| WO1995023937A1 (en) | 1994-03-04 | 1995-09-08 | Safoco, Inc. | Valve actuator apparatus and method |
| US7762275B1 (en) | 2007-06-29 | 2010-07-27 | Thomas Ventura | Valve stem shaft housing |
| US9353882B2 (en) | 2012-03-26 | 2016-05-31 | Safoco, Inc. | Low profile hydraulic actuator |
| US8777178B2 (en) | 2012-05-07 | 2014-07-15 | Array Holdings, Inc. | Adjustable valve acutator system |
| US9517976B2 (en) | 2012-05-16 | 2016-12-13 | Halkey-Roberts Corporation | Inflator |
| US9353775B2 (en) | 2012-10-10 | 2016-05-31 | Safoco, Inc. | Cylindrical liner for piston actuator |
| US9395015B2 (en) | 2012-10-10 | 2016-07-19 | Safoco, Inc. | Rotatable actuator shaft |
| WO2015065313A1 (en) | 2013-10-28 | 2015-05-07 | Halliburton Energy Services, Inc. | Flow control assembly actuated by pilot pressure |
| US10196874B2 (en) * | 2015-10-08 | 2019-02-05 | Ge Oil & Gas Pressure Control Lp | Secondary thrust wireline shearing valve |
| US11300229B2 (en) * | 2019-07-11 | 2022-04-12 | Performance Oil Tools, Inc. | Packing module and stuffing box assembly |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2935998A (en) * | 1957-09-19 | 1960-05-10 | Us Industries Inc | Automatic shut-off valve and controls therefor |
| US3007492A (en) * | 1958-11-17 | 1961-11-07 | Otis Eng Co | Fluid flow systems and pilot valves therefor |
| US3389718A (en) * | 1966-09-16 | 1968-06-25 | Fisher Governor Co | High and low pressure wellhead shut-in valve |
| US3540690A (en) * | 1968-10-04 | 1970-11-17 | Fisher Governor Co | Valve construction |
| US3621881A (en) * | 1970-08-03 | 1971-11-23 | Acf Ind Inc | High-low pressure pilot valve mechanism |
-
1977
- 1977-05-06 US US05/794,571 patent/US4157167A/en not_active Expired - Lifetime
- 1977-11-08 CA CA290,412A patent/CA1092483A/en not_active Expired
-
1978
- 1978-05-04 GB GB17789/78A patent/GB1603879A/en not_active Expired
- 1978-05-05 FR FR7813370A patent/FR2389817A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| GB1603879A (en) | 1981-12-02 |
| US4157167A (en) | 1979-06-05 |
| FR2389817A1 (en, 2012) | 1978-12-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |