CN206801525U - Storm valve - Google Patents
Storm valve Download PDFInfo
- Publication number
- CN206801525U CN206801525U CN201720480877.4U CN201720480877U CN206801525U CN 206801525 U CN206801525 U CN 206801525U CN 201720480877 U CN201720480877 U CN 201720480877U CN 206801525 U CN206801525 U CN 206801525U
- Authority
- CN
- China
- Prior art keywords
- valve
- fluid cylinder
- spring
- board assembly
- piston
- 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 - Fee Related
Links
- 239000012530 fluid Substances 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 238000009434 installation Methods 0.000 claims abstract 2
- 238000012423 maintenance Methods 0.000 abstract description 6
- 238000007664 blowing Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Landscapes
- Safety Valves (AREA)
Abstract
The utility model discloses storm valve, fluid cylinder top connection（1）With fluid cylinder joint（3）Connection, fluid cylinder joint（3）Upper installation ferrule fitting（2）And piston-rod assembly（15）, fluid cylinder joint（3）Interior placement central tube（4）And and spring cylinder（6）One end connects, lower contact（11）With spring cylinder（6）The other end connects, elastic cushion block（10）It is fixed on lower contact（11）On, spring cylinder（6）With valve component（9）Coordinate, valve component（9）With valve board assembly（13）Coordinate, valve board assembly（13）Through central tube（4）Promote and open and be pressed in elastic cushion block（10）On, form a whole set of storm valve.The utility model uses piston structure, the double-layer seal that valve plate seals firmly when valve plate soft seal, high pressure during low pressure, mitigates overall weight, avoids the leakage of sealing part and the damage of sealing surface, extend maintenance period and service life, improve sealing property and safety coefficient.
Description
Technical field
The utility model belongs to emergency safety device in wellhead equipment control system, be related to be widely used in ocean platform,
A kind of downhole safety device that the mining environments such as shale gas well head are severe, security requirement is high, and in particular to storm valve.
Background technology
It is well known that storm valve is a kind of to be connected to the emergent of setting position on oil pipe applied in the pit shaft of underground
Safety device, its effect is that Oil/gas Well can close automatically when wellhead assembly is out of control, so as to avoid serious casualties,
The generation of the serious accident such as blowout and marine pollution.At present, safety in production of many countries to Oil/gas Well has clear and definite law
Regulation, emphasize positioned at densely populated areas, Important Economic area, ocean and inland waters, the Oil/gas Well for having blowing and excessive ability
Storm valve will be installed.China's offshore oil production regulation it further provides that：It is all that there is blowing or certainly excessive energy during oil-gas mining
The well of power must all install storm valve.At present, the safety valve that known oil field, platform use is mostly ground control oil pipe
Tripping in formula, mainly employs ball valve sealing mode and valve plate sealing means, but when ball valve rotates during ball valve sealing frictional force it is big, can
Poor by property, spheroid and ball seat must be changed simultaneously when changing seal, and maintenance period is short, maintenance cost is high；And valve plate sealing knot
Structure uses taper sealing substantially, but easily too fast by flow velocity in well so that point in sealing contact, face are destroyed by impulsive force.And valve plate
Unlatching need to promote by piston, this requires that piston length is longer, and piston diameter is big, sealing ring length, this to let out
The possibility of dew is very high, and overall sealing performance reduces, so as to cause security system failure, and because piston diameter is larger, length
It is longer, also cause safety valve entire length longer, weight increase.
The content of the invention
The purpose of this utility model is：A kind of storm valve is provided, simple in construction, entire length is short, in light weight, close
It is good to seal effect, safety coefficient is high, reduces the abrasion of sealing ring, extends maintenance period, avoids leakage and security system failure.
The utility model use technical solution be：The storm valve includes fluid cylinder top connection, ferrule fitting, liquid
Cylinder joint, central tube, limited block, spring cylinder, spring, back-up ring, valve component, elastic cushion block, lower contact, pressure release plug, valve plate
Component, retainer ring and piston-rod assembly, fluid cylinder top connection are connected with fluid cylinder joint, and ferrule fitting and piston are installed on fluid cylinder joint
Bar assembly, piston-rod assembly are fixedly connected by retainer ring with limited block, and central tube, fluid cylinder joint and bullet are placed in fluid cylinder joint
Spring cylinder one end is connected, and lower contact is connected with the spring cylinder other end, and elastic cushion block is fixed in lower contact, and gear is set in spring cylinder
Circle, spring is placed between back-up ring and limited block, spring cylinder coordinates with valve component, and valve component coordinates with valve board assembly sealing,
Valve board assembly is provided with pressure release plug, and valve board assembly promotes through central tube and opens and be pressed on elastic cushion block, forms a whole set of underground
Safety valve.
The utility model has the advantages that：
1st, using piston structure, stroke is short, in light weight, good seal performance, extends maintenance period, avoids seal leakage from causing
Safe Failure；
2nd, valve plate, valve base sealing are combined using cone-shape metallic leak-proof and seal with elastometic washer, i.e., low pressure when valve plate soft seal,
The double-layer seal that valve plate seals firmly during high pressure so that valve plate has individual progressive process when sealing, and avoids well liquid flow velocity is too fast from forcing valve
Plate sealing taper dash valve seat taper sealing face, causes taper sealing face to damage, lowers sealing effectiveness, using double-layer seal not only
Add one layer of sealing, additionally it is possible to effectively reduce the damage of taper sealing face, be greatly enhanced sealing effectiveness, raising uses the longevity
Life, extend maintenance period；
3rd, the safe closure measures of two pass being combined using valve plate torsion spring cooperation elastomer block, are avoided because of valve plate spring breakage etc.
Cause specific causes the situation that safety valve can not be closed effectively, so as to avoid serious casualties, blowout and marine pollution etc.
The generation of serious accident, safety coefficient is higher, and security performance is more preferably；
4th, increase pressure relief device on valve plate, balance, control are kept by interior hydraulic pressure of being gone into the well in the modes such as domestic injection pressure
Pressure only needs to overcome spring force that safety valve unlatching can be achieved, and requires relatively low to control pressure and pressure line.
Brief description of the drawings
Fig. 1 is the structure chart of the utility model storm valve.
In figure：1 fluid cylinder top connection, 2 ferrule fittings, 3 fluid cylinder joints, 4 central tubes, 5 limited blocks, 6 spring cylinders, 7 springs, 8
Back-up ring,
9 valve group components, 10 elastic cushion blocks, 11 lower contacts, 12 pressure release plugs, 13 valve board assemblies, 14 retainer rings, 15 piston rods
Assembly.
Embodiment
As shown in figure 1, the storm valve includes fluid cylinder top connection 1, ferrule fitting 2, fluid cylinder joint 3, central tube 4, limit
Position block 5, spring cylinder 6, spring 7, back-up ring 8, valve component 9, elastic cushion block 10, lower contact 11, pressure release plug 12, valve board assembly
13rd, retainer ring 14 and piston-rod assembly 15, fluid cylinder top connection 1 are connected with fluid cylinder joint 3, and ferrule fitting 2 is installed on fluid cylinder joint 3
With piston-rod assembly 15, piston-rod assembly 15 is fixedly connected by retainer ring 14 with limited block 5, placement center in fluid cylinder joint 3
Cylinder 4, fluid cylinder joint 3 is connected with the one end of spring cylinder 6, and lower contact 11 is connected with the other end of spring cylinder 6, and elastic cushion block 10 is fixed on down
On joint 11, back-up ring 8 is set in spring cylinder 6, spring 7 is placed between back-up ring 8 and limited block 5, spring cylinder 6 is matched somebody with somebody with valve component 9
Close, valve component 9 coordinates with the sealing of valve board assembly 13, and valve board assembly 13 is provided with pressure release plug 12, and valve board assembly 13 is through center
Cylinder 4, which promotes, to be opened and is pressed on elastic cushion block 10, forms a whole set of storm valve.
During unlatching, by fluid injection in well, pressure release plug 12 is forced to move so that after two-way pressure reaches static balance, to pass through
Ferrule fitting 2 is sent into control pressure, promotes piston-rod assembly 15 to drive central tube 4 to move downwardly together, and central tube 4 extrudes valve plate
Component 13 so that valve board assembly 13 is opened, and completes to open；During closing, shed control pressure, valve board assembly 13 in valve plate torsion spring and
Complete to close in the presence of disc spring in elastic cushion block.
Claims (1)
1. storm valve, it is characterized in that：It includes fluid cylinder top connection（1）, ferrule fitting（2）, fluid cylinder joint（3）, central tube
（4）, limited block（5）, spring cylinder（6）, spring（7）, back-up ring（8）, valve component（9）, elastic cushion block（10）, lower contact（11）、
Pressure release plug（12）, valve board assembly（13）, retainer ring（14）And piston-rod assembly（15）, fluid cylinder top connection（1）With fluid cylinder joint
（3）Connection, fluid cylinder joint（3）Upper installation ferrule fitting（2）And piston-rod assembly（15）, piston-rod assembly（15）Pass through retainer ring
（14）With limited block（5）It is fixedly connected, fluid cylinder joint（3）Interior placement central tube（4）, fluid cylinder joint（3）With spring cylinder（6）One end
Connection, lower contact（11）With spring cylinder（6）The other end connects, elastic cushion block（10）It is fixed on lower contact（11）On, spring cylinder（6）
Interior setting back-up ring（8）, back-up ring（8）With limited block（5）Between place spring（7）, spring cylinder（6）With valve component（9）Coordinate, valve
Holder assembly（9）With valve board assembly（13）Sealing coordinates, valve board assembly（13）It is provided with pressure release plug（12）, valve board assembly（13）Through
Central tube（4）Promote and open and be pressed in elastic cushion block（10）On, form a whole set of storm valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720480877.4U CN206801525U (en) | 2017-05-03 | 2017-05-03 | Storm valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720480877.4U CN206801525U (en) | 2017-05-03 | 2017-05-03 | Storm valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206801525U true CN206801525U (en) | 2017-12-26 |
Family
ID=60737953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720480877.4U Expired - Fee Related CN206801525U (en) | 2017-05-03 | 2017-05-03 | Storm valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206801525U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206509A (en) * | 2019-05-24 | 2019-09-06 | 中国地质科学院地质力学研究所 | A kind of water level differential pressure control valve |
| CN113915385A (en) * | 2020-07-10 | 2022-01-11 | 中国海洋石油集团有限公司 | Valve plate sealing device of high-temperature underground safety valve of sucker-rod pump and working method of valve plate sealing device |
-
2017
- 2017-05-03 CN CN201720480877.4U patent/CN206801525U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206509A (en) * | 2019-05-24 | 2019-09-06 | 中国地质科学院地质力学研究所 | A kind of water level differential pressure control valve |
| CN110206509B (en) * | 2019-05-24 | 2022-05-27 | 中国地质科学院地质力学研究所 | Water level differential pressure control valve |
| CN113915385A (en) * | 2020-07-10 | 2022-01-11 | 中国海洋石油集团有限公司 | Valve plate sealing device of high-temperature underground safety valve of sucker-rod pump and working method of valve plate sealing device |
| CN113915385B (en) * | 2020-07-10 | 2023-07-28 | 中国海洋石油集团有限公司 | Valve plate sealing device of high-temperature underground safety valve of rod pump and working method of valve plate sealing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103993852A (en) | Gas well snubbing liquid seal gas well mouth blowout prevention system | |
| CN104499993B (en) | Dual-flap-valve type downhole safety valve | |
| CN206801525U (en) | Storm valve | |
| CN104847306B (en) | A kind of underground rod tube safety valve | |
| CN204311987U (en) | A kind of tubing string plug slip-type underground snubber | |
| CN103883275A (en) | Novel energy-saving environment-friendly gas injection wellhead device | |
| CN107989569A (en) | A kind of coiled tubing dynamic sealing device | |
| CN203925394U (en) | Not kill-job of gas well fluid-tight gas well mouth spraying-preventing system | |
| CN104806193B (en) | A kind of packer | |
| CN203742547U (en) | Novel energy-saving environment-friendly gas-injection well head device | |
| CN101377121A (en) | Underwater flexible apparatus for sea well drilling | |
| CN105402433B (en) | The external and internal pressure sealing structure of underwater ball valve | |
| CN204754868U (en) | Emergency control valve | |
| CN201202438Y (en) | Screw pump rod tube safety valve driven by rod | |
| CN207017958U (en) | A kind of marine riser hangs special-purpose nipple | |
| CN101839117A (en) | Annulus safety valve | |
| CN104963649A (en) | Embedded sealing and isolating sealed casing head | |
| CN213980766U (en) | Non-metal composite coiled tubing oil production system for offshore platform | |
| CN102808397B (en) | Ball sealer for water inlet of dam bottom hole bypass pipe and method for replacing dam bottom hole bypass valve | |
| CN204532133U (en) | A kind of piston type intelligent conversion joint | |
| CN201184171Y (en) | Bias-wearing-proof pumping unit | |
| CN201496025U (en) | Hydraulic rotary well plugging device | |
| CN201460802U (en) | Insertion pipe packer | |
| CN203879448U (en) | Casing protected gas injection packer for CO2 injection well | |
| CN201778733U (en) | Hydraulic penetration device between subsea production tree and tubing hanger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |