CN108561099A - A kind of high-pressure well mouth liquid-operated flat valve - Google Patents
A kind of high-pressure well mouth liquid-operated flat valve Download PDFInfo
- Publication number
- CN108561099A CN108561099A CN201810300728.4A CN201810300728A CN108561099A CN 108561099 A CN108561099 A CN 108561099A CN 201810300728 A CN201810300728 A CN 201810300728A CN 108561099 A CN108561099 A CN 108561099A
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- CN
- China
- Prior art keywords
- valve
- flashboard
- cylinder
- rod
- valve body
- 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.)
- Withdrawn
Links
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 239000000945 filler Substances 0.000 claims abstract description 9
- 210000001124 body fluid Anatomy 0.000 claims abstract description 8
- 239000010839 body fluid Substances 0.000 claims abstract description 8
- 239000002131 composite material Substances 0.000 claims abstract description 8
- 238000012856 packing Methods 0.000 claims abstract description 7
- 239000012530 fluid Substances 0.000 claims abstract description 6
- 210000004907 gland Anatomy 0.000 claims abstract description 6
- 230000002708 enhancing effect Effects 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 8
- 239000003921 oil Substances 0.000 description 7
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000010779 crude oil Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 241000009298 Trigla lyra Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000001050 lubricating effect Effects 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
- 239000004575 stone Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
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)
- Fluid-Driven Valves (AREA)
Abstract
A kind of high-pressure well mouth liquid-operated flat valve, including lower valve bonnet, guide rod, composite filling, valve body, valve seat, sealing ring, flashboard, guide plate, metallic packing ring, valve rod, valve deck, cylinder body, sealing ring, baffle ring, piston, valve stem nut, cylinder cap, valve body is equipped with embedded valve seat, up and down motion of the flashboard in valve body fluid passage, that is, spool chamber, flashboard ends fluid passage when stretching into valve seat in valve body fluid passage, flashboard is connected on valve rod, valve body top is valve deck, valve deck top is equipped with hydraulic cylinder and cylinder cap, the piston of hydraulic cylinder is fixed with valve rod in cylinder cap, the piston of hydraulic cylinder hydraulic pressure control lower piston movement with ovable valve stem and control ram movement；Guide rod is limited by the cylinder that valve body lower portion is equipped with, and filler package guide rod is equipped in cylinder and is equipped with gland, the bottom of valve body is equipped with lower valve bonnet.
Description
Technical field：
The present invention relates to a kind of flap type, it is especially adapted for use in the engineerings such as oilfield exploitation, is a kind of to be carried out to oilfield exploitation
The special valve of control --- high-pressure well mouth liquid-operated flat valve.
Background technology：
With the high speed development of the national economy in China.The growth of the crude oil needed at double is used for the valve of control piper
It is more and more, while increasingly more oil fields need to inject the liquid of high pressure by development ＆ construction since the density of oil is big and hardened
Body is exploited, while the corrosive substances such as sulfide in crude oil content is high.Key effect is just played in the valve of well head.Conventional well
The pipeline of mouth uses tablet flashboard, and flow resistance is big, and operating force is away from big, inconvenient for operation, inefficiency.Entire pipeline is very long, pole
Inconvenience, while equipment cost becomes larger.Flashboard is due to the benefit after not can solve the resistance to high abrasion with long-time service of sealing ring
It repays.Service life is extremely short, and new valve was just needed replacing less than 10 months, causes greatly to waste, and shut-down pair when replacement
The influence of production and a large amount of manpower of needs.
High-pressure well mouth liquid-operated flat valve is more demanding, to bear high pressure (as arrived 15MPa), it is necessary to which increasing valve makes
Reliability improves the degree of automation, reduces labor intensity, specially manufactures and designs for this operating mode situation.
Invention content：
Object of the invention it is proposed the high pressure liquid-operated flat valves of a kind of high-pressure well mouth, labor intensity are reduced, for this
Kind operating mode situation specially manufactures and designs.
The technical scheme is that a kind of high-pressure well mouth liquid-operated flat valve, it is characterized in that including lower valve bonnet, guide rod,
Composite filling, valve body, valve seat, sealing ring, flashboard, guide plate, metallic packing ring, valve rod, valve deck, cylinder body, sealing ring, baffle ring,
Piston, valve stem nut, cylinder cap, valve body are equipped with embedded valve seat, up and down fortune of the flashboard in valve body fluid passage, that is, spool chamber
Dynamic, flashboard ends fluid passage when stretching into valve seat in valve body fluid passage, flashboard is connected on valve rod, and valve body top is valve
Lid, valve deck top are equipped with hydraulic cylinder and cylinder cap, and the piston of hydraulic cylinder is fixed with valve rod in cylinder cap, and the piston of hydraulic cylinder is in hydraulic pressure pressure
Power control lower piston movement with ovable valve stem and control ram movement；The upper and lower movement position of valve plate correspond to valve conducting with
Cut-off (part cut-off is until whole cut-offs)；The inlet and outlet center line that flashboard ends on valve body on the position and valve body of runner exists
On same straight line；The lower part that valve rod extends to valve plate is a guide rod, and guide rod is limited by the cylinder that valve body lower portion is equipped with, in cylinder
Guide rod is wrapped up equipped with filler and is equipped with gland, and the bottom of valve body is equipped with lower valve bonnet.
Flashboard top is connected on equipped with guide plate on valve rod in valve deck.
Metallic packing ring 14 is equipped in valve deck above flashboard；Above flashboard spring 11 is cased on valve rod；
Guide plate is additionally provided with above flashboard；Guide plate is equipped with sealing device in valve deck；Valve seat is weldingly fixed on valve seat
On, sealing of the flashboard on valve seat is using enhancing flexible graphite structure.Filler uses the composite filling that multiple filling layers are constituted.
When the piston controlled in hydraulic cylinder moves upwards, when valve rod moves upwards, valve rod drives flashboard upward
It is promoted, opens the channel of entire valve, inject liquid and the oil recovery of high pressure.When the piston is moving down, valve rod moves downward, and arrives
When up to rest position, entire channel is closed, terminate the liquid injection of high temperature and pressure and is recovered the oil.
Advantageous effect：The present invention opens and closes valve using hydraulically operated equipment, and flashboard is using tablet guide plate and sealing knot
Structure.And it is oriented to rod structure being used using flashboard lower part.It is easy to operate using hydraulically operated equipment, human cost is reduced, Gao Sheng is done
Efficiency is produced, automation control is convenient for.Using guide board structure, convenient for ensureing the centering of flashboard.Flashboard uses tablet guide frame,
Without flow resistance, can carry out recovering the oil or injecting highly pressurised liquid.The stress of flashboard can be carried significantly using rod structure is oriented to
It is high；Filler uses composite structure, ensures the reliability of sealing.Different types of carbide reactor welding technology, which may be used, makes sealing
Face is corrosion-resistant, impact resistance, ensures the service life of valve.
Description of the drawings：
Fig. 1 is schematic structural view of the invention.
Specific implementation mode：
As shown, including 1, lower valve bonnet, 2, gland, 3, guide rod, 4,5,6 be the composite filling of multilayered structure,
7, valve body, 8, valve seat, 9, sealing ring, 10 springs, 11 flashboards, 12, guide plate, 13, metallic packing ring, 14, valve rod, 15, valve deck,
16, stop-leak compound injection valve, 17, mark closely screw, 18 studs, 19, nut, 20, holder, 21, soket head cap screw, 22,23,
Sealing ring, 24, cylinder body, 25, sealing ring, 26, baffle ring, 27, piston, 28, valve stem nut, 29, cylinder cap, 30, silk plug.
Valve body lower end is covered the element including gland, guide rod and composite filling by lower valve bonnet, and guide rod is valve body
Lower part is equipped with composite filling sealing structure to the lower support of flashboard；Flashboard is upper valve body fluid passage, that is, spool chamber
Lower movement, flashboard end fluid passage when stretching into valve seat in valve body fluid passage, flashboard is connected on valve rod；Valve body top
For valve deck, valve deck top is equipped with hydraulic cylinder and cylinder cap, and the piston of hydraulic cylinder is fixed with valve rod in cylinder cap, and the piston of hydraulic cylinder is in liquid
The movement of pressure pressure control lower piston moving above and below with control ram movement with ovable valve stem；The upper and lower movement position of valve plate corresponds to
Conducting in valve and cut-off (part cut-off is until whole cut-offs)；Flashboard end on valve body on the position and valve body of runner into
Center line of discharge is on the same line；Using guiding rod structure：The lower part that valve rod extends to valve plate is guide rod, and guide rod is by valve
Body lower part is limited equipped with 5 cylinder.
Flashboard top is connected on equipped with guide plate on valve rod in valve deck.Guide plate is additionally provided with above flashboard；Guide plate exists
Sealing device is equipped in valve deck；Metallic packing ring 14 is equipped in valve deck above guide plate；Above guide plate spring is cased on valve rod
11, it is used for the position for restoring flashboard when the piston release to hydraulic cylinder；Sealing of the flashboard on valve seat is using the flexible stone of enhancing
Ink structure.
Flashboard ends fluid passage when stretching into valve seat in valve body fluid passage, flashboard is connected on valve rod, on valve deck
Portion is equipped with hydraulic cylinder, and piston and the valve rod of hydraulic cylinder are fixed, and the piston of hydraulic cylinder controls the movement band of lower piston in hydraulic pressure
Ovable valve stem and control ram movement；The upper and lower movement position of valve plate corresponds to the conducting of valve and cut-off (ends until whole part
Cut-off)；Flashboard ends the inlet and outlet center line on the position and valve body of runner on the same line on valve body.Valve rod extends to
The lower part of valve plate is a guide rod, and guide rod is limited by valve body lower portion equipped with cylinder, and filler package guide rod is equipped in cylinder and is set
There are gland, the bottom of valve body to be equipped with lower valve bonnet；Flashboard top is connected on equipped with guide plate on valve rod.
The position that valve rod contacts on valve deck top with hydraulic cylinder is equipped with packing seal.
Stop-leak compound injection valve 17 is located at the top of valve deck, for injecting lubricating grease to structures such as guide plates；Mark closely screw 18
It is used to seal to stop-leak compound injection valve with stud 19；Nut 20, holder 21, soket head cap screw 22；Filler is filled out using combination
Expect structure；Using guiding rod structure.
In hydraulic cylinder, on cylinder body 25 and position of the valve rod in hydraulic cylinder is equipped with sealing ring 23,24；Piston 28 is in liquid
Sealing ring 26 also is provided in cylinder pressure, 27 top of piston is equipped with baffle ring 28, and baffle ring 28 is equipped with valve stem nut 29 by piston 27 and valve
Bar is fixed, hydraulic cylinder cylinder cap 29；30 be the silk plug for hydraulic cylinder.
Inserted valve seat on valve body is equipped with sealing ring between valve seat and valve body；Entirety can be used in flashboard, guiding or even valve body
Die forging structure；Valve seat is used to be prepared using different types of carbide reactor welding technology.
When the piston is moving up, when valve rod moves upwards, valve rod drives flashboard to be lifted up, and opens entire logical
Road injects liquid and the oil recovery of high pressure.When the piston is moving down, valve rod moves downward, and when reaching rest position, closes entire
Channel terminates the liquid injection of high temperature and pressure and recovers the oil.
The foregoing is merely a kind of embodiments of the present invention, are not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc. made by within refreshing and principle, to be included within protection scope of the present invention.
Claims (5)
1. a kind of high-pressure well mouth liquid-operated flat valve, it is characterized in that including lower valve bonnet, guide rod, composite filling, valve body, valve seat, close
Seal, flashboard, guide plate, metallic packing ring, valve rod, valve deck, cylinder body, sealing ring, baffle ring, piston, valve stem nut, cylinder cap, valve
Body is equipped with embedded valve seat, and for flashboard in the up and down motion of valve body fluid passage, that is, spool chamber, flashboard fluid in valve body is logical
End fluid passage when stretching into valve seat in road, flashboard is connected on valve rod, and valve body top is valve deck, and valve deck top is equipped with hydraulic cylinder
And cylinder cap, the piston of hydraulic cylinder is fixed with valve rod in cylinder cap, and the piston of hydraulic cylinder controls the movement band of lower piston in hydraulic pressure
Ovable valve stem and control ram movement；The upper and lower movement position of valve plate corresponds to the conducting and cut-off of valve（Part cut-off is until whole
Cut-off）；Flashboard ends the inlet and outlet center line on the position and valve body of runner on the same line on valve body；Valve rod extends to
The lower part of valve plate is a guide rod, and guide rod is limited by the cylinder that valve body lower portion is equipped with, and filler package guide rod is equipped in cylinder simultaneously
Equipped with gland, the bottom of valve body is equipped with lower valve bonnet.
2. high-pressure well mouth liquid-operated flat valve according to claim 1, it is characterized in that flashboard top is equipped with guide plate in valve deck
It is connected on valve rod.
3. high-pressure well mouth liquid-operated flat valve according to claim 1, it is characterized in that it is close to be equipped with metal in valve deck above flashboard
Seal ring；Above flashboard spring is cased on valve rod.
4. high-pressure well mouth liquid-operated flat valve according to claim 1, it is characterized in that being additionally provided with guide plate above flashboard；It leads
Sealing device is equipped in valve deck to plate；Valve seat is weldingly fixed on valve seat, and sealing of the flashboard on valve seat is flexible using enhancing
Graphite-structure.
5. high-pressure well mouth liquid-operated flat valve according to claim 1, it is characterized in that filler uses the group that multiple filling layers are constituted
Close filler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810300728.4A CN108561099A (en) | 2018-04-04 | 2018-04-04 | A kind of high-pressure well mouth liquid-operated flat valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810300728.4A CN108561099A (en) | 2018-04-04 | 2018-04-04 | A kind of high-pressure well mouth liquid-operated flat valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108561099A true CN108561099A (en) | 2018-09-21 |
Family
ID=63534170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810300728.4A Withdrawn CN108561099A (en) | 2018-04-04 | 2018-04-04 | A kind of high-pressure well mouth liquid-operated flat valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108561099A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425296A (en) * | 2019-08-08 | 2019-11-08 | 广州龙渊液压机械有限公司 | A kind of hydraulic ultrahigh-pressure water hydraulic antipollution valve |
-
2018
- 2018-04-04 CN CN201810300728.4A patent/CN108561099A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425296A (en) * | 2019-08-08 | 2019-11-08 | 广州龙渊液压机械有限公司 | A kind of hydraulic ultrahigh-pressure water hydraulic antipollution valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180921 |
|
| WW01 | Invention patent application withdrawn after publication |