CN206190247U - Cleanout valve - Google Patents
Cleanout valve Download PDFInfo
- Publication number
- CN206190247U CN206190247U CN201621146031.9U CN201621146031U CN206190247U CN 206190247 U CN206190247 U CN 206190247U CN 201621146031 U CN201621146031 U CN 201621146031U CN 206190247 U CN206190247 U CN 206190247U
- Authority
- CN
- China
- Prior art keywords
- sand
- ball
- valve
- flushing
- liquid window
- 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
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Abstract
The utility model relates to a cleanout valve, including the main part, the ball valve, water conservancy diversion awl and fender sand cover, the main part is hollow columnar structure, be provided with a plurality of inlet openings on the lateral wall of main part, the main part axial is provided with the sand setting passageway, the sand setting passageway is located one side of inlet opening, the sand setting passageway is divided into branch fluid and sleeve pipe with the main part, divide the fluidic open end to be fixed with the water conservancy diversion cover, comprising a main body, the liquid window has been seted up out on the lateral wall of water conservancy diversion cover, the ball valve is located the flushing fluid runner, fall into inlet flow passage and export runner with the flushing fluid runner, the liquid window has been seted up out on the lateral wall of water conservancy diversion cover, it will divide fluidic external environment condition and export runner intercommunication to go out the liquid window, it sets up in an outside of liquid window to keep off the sand cover, it is used for preventing that the flushing fluid backward flow from getting into the export runner through going out the liquid window to keep off the sand cover. The problem of current cleanout valve have the technique of blockking up is solved, the utility model discloses cleanout valve can realize the level pressure and open, guarantee at valve ball and valve seat seal.
Description
Technical field
The utility model belongs to oilfield machinery field, and in particular to a kind of flushing valve.
Background technology
At present, seperated layer water injection has become a conventional measure of each oil field secondary development.Flushing valve is used as seperated layer water injection
One important kit of tubing string, it is generally ball-and-seat principle, is mainly made up of valve ball, valve seat, using valve ball and valve seat
Conical surface seal form, valve seat is coordinated using the conical surface with valve ball, and valve ball is sitting in by gravity and sealing is realized on valve seat.Its function is main
Including：When completion is suppressed, tubing string is sealed, building the pressure makes packer setting；During well-flushing, flushing fluid enters tubing string through flushing valve, reaches
Well-flushing purpose.
Although existing flushing valve can complete the flushing to oil well, still there are problems that following：
First, for the producing well for having constant slope, valve ball and valve seat are not perpendicular contacts, it may appear that poorly sealed feelings
Condition；
2nd, due to the impurity, the sand setting that there are various bulky grains in producing well, easily valve ball and valve are caused during flushing
The blocking of seat, causes well-flushing defective valve.
The content of the invention
There is the technical problem for blocking to solve existing flushing valve, the utility model provides one kind and is prevented from blocking
Flushing valve.
Technical solution of the present utility model：
Flushing valve, it is characterized in that：Including main body, ball valve, deflection cone 4 and sand block set 5, the main body is hollow
Column structure, is provided with multiple inlet openings 18 on the side wall of the main body, axis of the body is provided with sand setting passage 14, described
Sand setting passage 14 is located at the side of inlet opening 18, and main body is divided into shunting body 20 and sleeve pipe 13, described point by the sand setting passage 14
The openend of fluid 20 is fixed with flow guide sleeve 6, and the other end of the flow guide sleeve 6 is fixed with deflection cone 4, the side of the flow guide sleeve 6
Liquid window 19 is offered out on wall, the shunting body 20, flow guide sleeve 6 and deflection cone 4 form flushing fluid runner, and the ball valve is located at
In flushing fluid runner, flushing fluid runner is divided into entrance channel and outlet flow, liquid is offered out on the side wall of the flow guide sleeve 6
Window, it is described go out liquid window the external environment condition of shunting body is connected with outlet flow, sand block set 5 is arranged on out the outsides of liquid window,
The sand block is covered for preventing flushing fluid from entering outlet flow back up through liquid window 19 is gone out.
Above-mentioned inlet opening 18 is located at the opposite sides of main body, and the sand setting passage 14 is located at the interposition of both sides inlet opening
Put.
Above-mentioned ball valve includes ball seat 10, steel ball 9, spring 7 and spring base 8, and the ball seat 10 is fixed on shunting body 20 and leads
The junction of stream set 6, one end of the spring 7 is fixed on deflection cone 4, and the other end of the spring 7 is acted on by spring base 8
On steel ball 9, the steel ball 9 can form ball face sealing in the presence of spring 7 with ball seat 10.
Above-mentioned sand block set 5 is fixed on deflection cone 4, and bridge-type sand setting passage 14, the gear are formed between outer casing and sleeve pipe
Sand set is positioned at the surface of bridge-type sand setting passage 14.
The bottom surface of above-mentioned deflection cone 4 is fixedly connected with flow guide sleeve 6, the conical surface and the company of fixation of sand block set 5 of the deflection cone 4
Connect.
Above-mentioned ball seat 10 is provided with O-ring seals 12 with the junction of shunting body 20.
Junction, sleeve pipe 13 junction with outer casing 11 of the sleeve pipe 13 with lower contact 15 and outer casing 11 and top connection
2 junction is provided with preventing covering upside down jackscrew 17.
The utility model is had the advantage that：
1st, the utility model flushing valve is used for water injection well layering water injection string bottom, there is provided the passage of oil jacket connection, can
Realize constant pressure turn on, it is ensured that in valve ball and valve base sealing.
2nd, reservoir sand or reverse flow stuff enter ball valve by going out liquid window when the utility model setting sand block set prevents well-flushing, protect
Ball valve is not blocked, and improves the sealing of ball valve.The replacing frequency of flushing valve is reduced simultaneously.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model flushing valve；
Fig. 2 is the A-A sectional views of Fig. 1；
Wherein reference is：1- shields are stifled, 2- top connections, 3-O shape sealing rings, 4- deflection cones, 5- sand block sets, 6- water conservancy diversion
Set, 7- springs, 8- spring bases, 9- steel balls, 10- ball seats, the outer casings of 11-, 12-O shape sealing rings, 13- sleeve pipes, 14- bridge-type sand settings
Passage, 15- lower contacts, 16- helmets, 17- preventing covering upside down jackscrews, 18- inlet openings, 19- goes out liquid window, 20- shunting bodies.
Specific embodiment
As shown in Figure 1-2, in whole producing well, including flushing valve, top connection 2, O-ring seals 3, outer casing 11, under
Joint 15 and helmet 16.
The utility model provides following several flushing valves：
Embodiment 1：
Flushing valve includes main body, ball valve, deflection cone 4 and sand block set 5, and main body is hollow column structure, the side wall of main body
On be provided with multiple inlet openings 18, main body is axially arranged sand setting passage 14, and sand setting passage 14 is located at the side of inlet opening 18, sinks
Main body is divided into shunting body 20 and sleeve pipe 13 by sand passage 14, and the openend of shunting body 20 is fixed with flow guide sleeve 6, flow guide sleeve 6 it is another
One end is fixed with deflection cone 4, and liquid window 19, shunting body 20, flow guide sleeve 6 and the shape of deflection cone 4 are offered out on the side wall of flow guide sleeve 6
Into flushing fluid runner, ball valve is located in flushing fluid runner, and flushing fluid runner is divided into entrance channel and outlet flow, the water conservancy diversion
Liquid window is offered out on the side wall of set 6, is gone out liquid window and the external environment condition of shunting body is connected with outlet flow, sand block set 5 is arranged on
Go out the outside of liquid window, sand block is covered for preventing flushing fluid from entering outlet flow back up through liquid window 19 is gone out.One end of sleeve pipe 13 with
Lower contact 15 is fixedly connected, and junction is provided with O-ring seals 3, and the other end of sleeve pipe 13 is fixed with one end of outer casing 11 and connected
Connect, junction is provided with O-ring seals 3, the other end of outer casing 11 is fixedly connected with one end of top connection 2, junction is set
The other end for having O-ring seals 3, top connection 2 is provided with shield stifled 1.The other end of the 16 of lower contact is provided with helmet 16.Sleeve pipe 13
Junction, sleeve pipe 13 with lower contact 15 are all provided with the junction of outer casing 11 and outer casing 11 with the junction of top connection 2
It is equipped with preventing covering upside down jackscrew 17.Preventing covering upside down jackscrew 17 is used to prevent sleeve pipe 13, lower contact 15 and the screw thread of top connection 2 from moving back button.
Embodiment 2：
On the basis of embodiment 1, the structure of ball valve is：Ball valve includes ball seat 10, steel ball 9, spring 7 and spring base 8, ball
Seat 8 is fixed on the junction of shunting body 20 and flow guide sleeve 6, and one end of spring 7 is fixed on deflection cone 4, and the other end of spring 7 is consolidated
Surely there is spring base, spring 7 is acted on steel ball 9 by spring base 8, steel ball 9 can be formed in the presence of spring 9 with ball seat 10
Ball face sealing.When the hydraulic pressure for flowing into entrance channel is more than spring pressure, steel ball top can be opened, entrance channel connects with outlet flow
It is logical, form well-flushing passage.Ball seat 10 is provided with O-ring seals 12 with the junction of shunting body 20.It is provided with shunting body 20 anti-
Back-off jackscrew 17.
Embodiment 3：
In order to prevent sand setting from flowing into ball valve, ball valve is blocked, also add sand block set 5.Sand block set 5 is fixed on deflection cone 4,
Bridge-type sand setting passage 14 is formed between outer casing and sleeve pipe, sand block set is positioned at the surface of bridge-type sand setting passage 14.That rinses is heavy
The impurity such as sand are flowed directly into bridge-type sand setting passage 14 by the guiding that sand block covers 5, be will not fall into
Embodiment 4：On the basis of embodiment 3, in order to keep off, sand setting effect is good, and bottom surface and the flow guide sleeve 6 of deflection cone 4 are fixed
Connection, the conical surface of deflection cone 4 is fixedly connected with sand block set 5.
Embodiment 5：Inlet opening 18 is located at the opposite sides of main body, has two sand setting passages 14 to be located at both sides inlet opening respectively
Centre position, formed bridge-type sand setting passage.Sand setting passage neither with flushing fluid flow passage, also do not connected with inlet opening.
Preferred embodiment of the present utility model is the foregoing is only, is not used to limit the utility model, it is all at this
Any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (7)
1. flushing valve, it is characterised in that：Including main body, ball valve, deflection cone (4) and sand block set (5), the main body is hollow post
Shape structure, is provided with multiple inlet openings (18) on the side wall of the main body, axis of the body is provided with sand setting passage (14), institute
Sand setting passage (14) is stated positioned at the side of inlet opening (18), main body is divided into shunting body (20) and sleeve pipe by the sand setting passage (14)
(13), the openend of the shunting body (20) is fixed with flow guide sleeve (6), and the other end of the flow guide sleeve (6) is fixed with deflection cone
(4) liquid window (19), the shunting body (20), flow guide sleeve (6) and deflection cone, are offered out on the side wall of the flow guide sleeve (6)
(4) flushing fluid runner is formed, the ball valve is located in flushing fluid runner, flushing fluid runner is divided into entrance channel and outlet is flowed
Road, offers out liquid window on the side wall of the flow guide sleeve (6), it is described go out liquid window the external environment condition of shunting body and outlet flow are connected
Logical, the sand block set (5) is arranged on out the outside of liquid window, and the sand block is covered for preventing flushing fluid back up through going out liquid window (19)
Into outlet flow.
2. flushing valve according to claim 1, it is characterised in that：The inlet opening (18) positioned at main body opposite sides,
Centre position of the sand setting passage (14) positioned at both sides inlet opening.
3. flushing valve according to claim 1 and 2, it is characterised in that：The ball valve includes ball seat (10), steel ball (9), bullet
Spring (7) and spring base (8), the ball seat (10) are fixed on the junction of shunting body (20) and flow guide sleeve (6), the spring (7)
One end be fixed on deflection cone (4), the other end of the spring (7) is acted on steel ball (9) by spring base (8), described
Steel ball (9) can form ball face sealing in the presence of spring (7) with ball seat (10).
4. flushing valve according to claim 3, it is characterised in that：The sand block set (5) is fixed on deflection cone (4), outward
Bridge-type sand setting passage (14) is formed between backplate and sleeve pipe, the sand block set is positioned at the surface of bridge-type sand setting passage (14).
5. flushing valve according to claim 4, it is characterised in that：The bottom surface of the deflection cone (4) is fixed with flow guide sleeve (6)
Connection, the conical surface of the deflection cone (4) is fixedly connected with sand block set (5).
6. flushing valve according to claim 3, it is characterised in that：The ball seat (10) sets with the junction of shunting body (20)
It is equipped with O-ring seals (12).
7. flushing valve according to claim 6, it is characterised in that：Sleeve pipe (13) and junction, the sleeve pipe of lower contact (15)
(13) it is provided with preventing covering upside down jackscrew with the junction of top connection (2) with the junction of outer casing (11) and outer casing (11)
(17)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621146031.9U CN206190247U (en) | 2016-10-21 | 2016-10-21 | Cleanout valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621146031.9U CN206190247U (en) | 2016-10-21 | 2016-10-21 | Cleanout valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206190247U true CN206190247U (en) | 2017-05-24 |
Family
ID=58732492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621146031.9U Expired - Fee Related CN206190247U (en) | 2016-10-21 | 2016-10-21 | Cleanout valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206190247U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115075756A (en) * | 2021-03-10 | 2022-09-20 | 中国石油天然气股份有限公司 | Gas well sand washing device |
-
2016
- 2016-10-21 CN CN201621146031.9U patent/CN206190247U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115075756A (en) * | 2021-03-10 | 2022-09-20 | 中国石油天然气股份有限公司 | Gas well sand washing device |
| CN115075756B (en) * | 2021-03-10 | 2023-09-26 | 中国石油天然气股份有限公司 | Sand washing device for gas well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170524 Termination date: 20191021 |