CN207686672U - Switch type lateral check valve - Google Patents
Switch type lateral check valve Download PDFInfo
- Publication number
- CN207686672U CN207686672U CN201721440267.8U CN201721440267U CN207686672U CN 207686672 U CN207686672 U CN 207686672U CN 201721440267 U CN201721440267 U CN 201721440267U CN 207686672 U CN207686672 U CN 207686672U
- Authority
- CN
- China
- Prior art keywords
- piston
- valve pocket
- valve
- seat
- switching regulator
- 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
- 238000007789 sealing Methods 0.000 claims description 21
- 210000002445 nipple Anatomy 0.000 claims description 13
- 239000010985 leather Substances 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 8
- 238000010009 beating Methods 0.000 claims 1
- 238000002347 injection Methods 0.000 abstract description 8
- 239000007924 injection Substances 0.000 abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 description 4
- 238000011010 flushing procedure Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Check Valves (AREA)
Abstract
The utility model discloses a switch mode side direction single current valve prevents the unable scheduling problem of closing of liquid single current valve when solving current water injection well tubular column re-operation. The oil pipe valve specifically comprises a valve body, wherein the valve body is arranged in the oil pipe, and an outer hole is formed in the wall of the valve body; the valve sleeve is arranged in the valve body and connected with the valve body, an inner hole is formed in the valve sleeve, and an annular cavity with a closed bottom is formed between the valve body and the valve sleeve; and the piston mechanism is arranged in the annular cavity, moves upwards or downwards in the annular cavity and is used for opening or closing a communication channel between the inner hole and the outer hole. The check valve has multiple functions, provides effective help for the operation of the water injection well, saves the process flow and reduces the operation cost.
Description
Technical field
The utility model is related to a kind of water injection well valve, particularly water injection well Operating Pressure sealed when lower tubular column
The ball-and-seat of stifled oil pipe.
Background technology
In oilfield development process, in order to control environmental pollution, water injection well is passed through has carried out down tube frequently with Operating Pressure form
Column, to prevent from being discharged in oil pipe, we take blocks oil pipe with blanking plug, and a well needs several blanking plugs sometimes, operation at
This is very high.
Invention content
In view of this, the utility model provides a kind of lateral ball-and-seat of switching regulator, it can be effective when water injection well plays lower tubular column
Oil pipe is blocked, to save technological process, reduces operating cost.
For achieving the above object, the technical solution adopted in the utility model is：
A kind of lateral ball-and-seat of switching regulator, including：
Valve body is placed in the oil pipe, and exit orifice is provided on the valve body wall；
Valve pocket is placed in the valve body, and is connect with the valve body, and endoporus, the valve body and institute are provided on the valve pocket
State the annular chamber that bottom lock is formed between valve pocket；
Piston mechanism is placed in the annular chamber, and the piston mechanism moves up or down in the annular chamber, is used
In opening or closing the communicating passage between the endoporus and the exit orifice.
Preferably, the exit orifice and the quantity of the endoporus are several.
Preferably, the lateral ball-and-seat of the switching regulator further includes：
Control mechanism；
The control mechanism is connect with the valve pocket, for controlling valve pocket longitudinal movement, adjusts valve pocket and the piston machine
The relative position of structure opens or closes the communicating passage between the endoporus and the exit orifice.
Preferably, the valve body, including top connection, seating nipple and lower contact, three are threadedly coupled successively.
Preferably, the valve pocket, the endoporus being provided with thereon are located at the top of the exit orifice, the work are arranged on the valve pocket
The lower limiting mechanism of mechanism is filled in, the lower limiting mechanism is located at the top of the exit orifice.
Preferably, the valve pocket also sets up card slot on side wall, and the card slot is located at the lower section of the exit orifice.
Preferably, the lower limiting mechanism is position-limitting pin.
Preferably, the piston mechanism, including：
Piston component and flexible connector；
The flexible connector, the upper end are connected in top connection；
The piston component, the upper end connect flexible connector.
Preferably, the piston component, including：
Piston bush and pressure release mechanism；
The piston bush, lower limit are the position-limitting pin on the valve pocket；
The pressure release mechanism withstands on the lower section of the piston bush, which is provided with sealing ring, the pressure release mechanism
It is connect with the seating nipple by cutting pin, and is equipped with fluid course between pressure release mechanism and seating nipple；The pressure is released
First snap ring is set on laying mechanism, and the position-limitting pin on the valve pocket is the upper limit of pressure release mechanism, on the valve pocket
Card slot coordinates with first snap ring, constitutes the lower limit of the pressure release mechanism, the pressure release mechanism is in lower limit
When position, the fluid course is connected to the exit orifice.
Preferably, the piston bush, including：
Upper piston set, leather cup type sealing shroud and lower piston set；
The upper piston set is connect with the lower piston threading；
The leather cup type sealing shroud is mounted in the inside of upper piston set and lower piston set component；
The upper piston set is put on the lower piston applies mechanically sealing ring respectively.
Preferably, the control mechanism, including：
Control ring is connect between the valve pocket by pin；
The valve pocket is connect by closing piece with the lower contact, and the valve pocket lower part is additionally provided with the second snap ring；
The valve body further includes connector, and the connector is threadedly coupled with the seating nipple and the lower contact respectively；
Active force is applied to the control ring, cuts the pin, the constraint that the valve pocket is detached from the closing piece moves up, directly
It is against top connection lower face to valve pocket upper surface, and second snap ring is stuck in connector upper surface and is positioned, described in closing
Communicating passage between endoporus and the exit orifice.
The beneficial effects of the utility model：
The lateral ball-and-seat of the switching regulator is connected to the lower part of injection well pipe column, plays the role of sealing blowout prevention before going into the well, release
Play the role of ball-and-seat after putting, again when operation, can be again switched off by tripping in Special Tool, to reach blowout prevention
Purpose.So the ball-and-seat has multiple functions, water filling well operations are provided with and imitate help, save technological process, reduced and make
Industry cost.
Description of the drawings
By the description below with reference to attached drawing to the utility model embodiment, the above-mentioned and other mesh of the utility model
, feature and advantage it is apparent, in the accompanying drawings：
Fig. 1 is a kind of structural schematic diagram of the lateral ball-and-seat of switching regulator of the utility model embodiment.
Specific implementation mode
The utility model is described below based on embodiment, but it is worth noting that, the utility model is simultaneously unlimited
In these embodiments.It is detailed to describe some specific detail sections below in the datail description of the utility model.So
And for the part of no detailed description, those skilled in the art can also understand the utility model completely.
In addition, it should be understood by one skilled in the art that the attached drawing that is provided is simply to illustrate that the utility model
Objects, features and advantages, attached drawing are not to be actually drawn to scale.
Meanwhile unless the context clearly requires otherwise, "include", "comprise" etc. otherwise throughout the specification and claims
Similar word should be construed as the meaning for including rather than exclusive or exhaustive meaning；That is, being " including but not limited to "
Meaning.
Fig. 1 is a kind of structural schematic diagram of the lateral ball-and-seat of switching regulator of the utility model embodiment.As shown in Figure 1：
A kind of lateral ball-and-seat of switching regulator, including：
Valve body, the valve body are placed in the oil pipe, and exit orifice is provided on the valve body；
Valve pocket 4 is placed in the valve body, and is connect with the valve body, is provided with endoporus on the valve pocket 4, the valve body with
The annular chamber of bottom lock is formed between the valve pocket 4, the endoporus is with the exit orifice on the annular chamber；
Piston mechanism is placed in the annular chamber, and the piston mechanism moves up or down in the annular chamber, is used
In opening or closing the communicating passage between the endoporus and the exit orifice.
Further, in Fig. 1, the exit orifice and the quantity of the endoporus are several.
Further, in Fig. 1, the lateral ball-and-seat of the switching regulator further includes：
Control mechanism；
The control mechanism is connect with the valve pocket 4, is vertically moved for controlling valve pocket 4, is adjusted valve pocket 4 and the work
The relative position for filling in mechanism, opens or closes the communicating passage between the endoporus and the exit orifice.
Further, in Fig. 1, the valve body, including top connection 1, seating nipple 2 and lower contact 17, three's screw thread successively
Connection.
Further, in Fig. 1, card slot is arranged on side wall in the valve pocket 4, and the card slot is located under the exit orifice
Side, the endoporus are located at the top of exit orifice；Position-limitting pin 10 is connected on the valve pocket 4, which is located at exit orifice
Top.
Further, in Fig. 1, the piston mechanism, including：
Piston component and flexible connector 3；
The flexible connector 3, the upper end are connected in top connection 1；
The piston component, the upper end connect flexible connector 3.
Preferably, the piston component, including：
Piston bush and pressure release mechanism 9；
The piston bush, lower limit are the position-limitting pin 10 on the valve pocket 4；
The pressure release mechanism withstands on the lower section of the piston bush, which is provided with sealing ring, the pressure release mechanism
It is connect with the seating nipple 2 by cutting pin 11, and 2 equipped with fluid course between pressure release mechanism and seating nipple；The pressure
Snap ring 13 is set on power relieving mechanism, and the position-limitting pin 10 on the valve pocket is the upper limit of pressure release mechanism, the valve pocket
On card slot and the snap ring 13 coordinate, constitute the lower limit of the pressure release mechanism, the pressure release mechanism is in down
When limit, the fluid course is connected to the exit orifice.
Further, the piston bush, including：
Upper piston set 6, leather cup type sealing shroud 7 and lower piston set 8；
The upper piston set 6 covers 8 screwed connections with the lower piston；
The leather cup type sealing shroud 7 covers the inside of 8 components mounted in upper piston set 6 with the lower piston；
The upper piston set 6 applies mechanically sealing ring 5 respectively on lower piston set 8.
Further, in Fig. 1, the control mechanism, including：
Control ring 15 is connect between the valve pocket 4 by pin 14；
The valve pocket 4 is connect by closing piece 16 with the lower contact 17, and 4 lower part of the valve pocket is additionally provided with snap ring 13；
The valve body, further includes connector 12, the connector 12 respectively with 17 spiral shell of the seating nipple 2 and the lower contact
Line connects；
Active force is applied to the control ring 15, cuts the pin 14, the valve pocket 4 is detached from the constraint of the closing piece 16
It moves up, until 4 upper surface of valve pocket is against 1 lower face of top connection, and the snap ring 13 of the valve pocket lower part is stuck in 12 upper end of connector
Face is positioned, and the communicating passage between the endoporus and the exit orifice is closed.
Specifically, the utility model is described further in conjunction with Fig. 1：
During going into the well, upper piston set 6, leather cup type sealing shroud 7 and lower piston set 8 are constituted the lateral ball-and-seat of switching regulator
Component, be located in the annular chamber between the endoporus and the exit orifice, sealing support ring 9 withstands on lower piston set 8
Lower section, sealing support ring 9 are connect by cutting pin 11 with seating nipple 2, and the lower face of sealing support ring 9 is located at the upper of exit orifice
Side.The lateral ball-and-seat of switching regulator is closed at this time, is prevented liquid from entering inside tubing string, is played the role of blowout prevention.
Discharge after the completion of water injection string, under the effect of the pressure, cut pin 11, pressure release mechanism 9, upper piston set 6,
Leather cup type sealing shroud 7 and lower piston cover 8 downlinks, and the snap ring 13 on pressure release mechanism 9 is stuck in the card slot on valve pocket 4, at this point,
The component that upper piston set 6, leather cup type sealing shroud 7 and lower piston set 8 are constituted is logical still in the connection between endoporus and the exit orifice
In road, so the lateral ball-and-seat of switching regulator is closed, have the function of ball-and-seat, and pressure release mechanism 9 and work
It is connected to exit orifice equipped with fluid course between cylinder 2, anti-flushing well can be carried out at any time.
When anti-flushing well, liquid enters from exit orifice, fluid course, since the snap ring 13 on pressure release mechanism 9 is stuck in valve pocket 4
On card slot in, pressure release mechanism 9 is motionless, flow stream pressure push upper piston set 6, leather cup type sealing shroud 7 and lower piston set 8 on
Row, until being moved to above endoporus, the communicating passage between exit orifice and endoporus is opened, and the lateral ball-and-seat of switching regulator is in open shape
State carries out anti-flushing well operation.
When lower subjob, using special tool(s) G.I.H, above carries blocking control ring 15 and cutting fixing pin 14 and release and lock
The constraint of block 16 so that valve pocket 4 and its upper piston set 6, leather cup type sealing shroud 7, lower piston set 8 and pressure release mechanism 9 are whole
Uplink, when the upper-end contact of valve pocket 4 is to when top connection 1, the snap ring 13 on valve pocket 4 is stuck at the upper plane of connector 12, at this time
Pressure release mechanism 9 is in the top of the exit orifice of seating nipple 2, and the lateral ball-and-seat of switching regulator is closed again, to reach
Blowout prevention purpose.
Embodiment described above is only to express the embodiment of the utility model, the description thereof is more specific and detailed, but simultaneously
Cannot the limitation to the utility model patent range therefore be interpreted as.It should be pointed out that the ordinary skill people of this field
For member, without departing from the concept of the premise utility, several deformations, same replacement can also be made, improved etc., these
Belong to the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of lateral ball-and-seat of switching regulator, in oil pipe, which is characterized in that including：
Valve body is placed in the oil pipe, and exit orifice is provided on the wall of the valve body；
Valve pocket is placed in the valve body, and is connect with the valve body, and endoporus, the valve body and the valve are provided on the valve pocket
Inner room forms the annular chamber of bottom lock；
Piston mechanism is placed in the annular chamber, and the piston mechanism moves up or down in the annular chamber, for beating
The communicating passage between the endoporus and the exit orifice is closed on or off.
2. the lateral ball-and-seat of switching regulator according to claim 1, it is characterised in that：The quantity of the exit orifice and the endoporus
For several.
3. the lateral ball-and-seat of switching regulator according to claim 1, it is characterised in that：The lateral ball-and-seat of switching regulator, also
Including：
Control mechanism；
The control mechanism is connect with the valve pocket, for controlling valve pocket longitudinal movement, adjusts valve pocket and the piston mechanism
Relative position opens or closes the communicating passage between the endoporus and the exit orifice.
4. the lateral ball-and-seat of switching regulator according to claim 3, it is characterised in that：The valve body, including top connection, work
Cylinder and lower contact, three are threadedly coupled successively.
5. the lateral ball-and-seat of switching regulator according to claim 1 or 3, it is characterised in that：The valve pocket, what is be provided with thereon is interior
Hole is located at the top of the exit orifice, and the lower limiting mechanism of the piston mechanism, the lower limiting mechanism position are arranged on the valve pocket
In the top of the exit orifice.
6. the lateral ball-and-seat of switching regulator according to claim 5, it is characterised in that：The valve pocket is also set up on side wall
Card slot, the card slot are located at the lower section of the exit orifice.
7. the lateral ball-and-seat of switching regulator according to claim 4, it is characterised in that：The piston mechanism, including：
Piston component and flexible connector；
The flexible connector, the upper end are connected in top connection；
The piston component, the upper end connect flexible connector.
8. the lateral ball-and-seat of switching regulator according to claim 7, it is characterised in that：The piston component, including：Piston bush
And pressure release mechanism；
The piston bush, lower limit are the position-limitting pin on the valve pocket；
The pressure release mechanism withstands on the lower section of the piston bush, which is provided with sealing ring, and the pressure release mechanism passes through
It cuts pin to connect with the seating nipple, and is equipped with fluid course between pressure release mechanism and seating nipple；The pressure machine for releasing
First snap ring is set on structure, and the position-limitting pin on the valve pocket is the upper limit of pressure release mechanism, the card slot on the valve pocket
Coordinate with first snap ring, constitutes the lower limit of the pressure release mechanism, when the pressure release mechanism is in lower limit,
The fluid course is connected to the exit orifice.
9. the lateral ball-and-seat of switching regulator according to claim 8, it is characterised in that：The piston bush, including：Upper piston
Set, leather cup type sealing shroud and lower piston set；
The upper piston set is connect with the lower piston threading；
The leather cup type sealing shroud is mounted in the inside of upper piston set and lower piston set component；
The upper piston set is put on the lower piston applies mechanically sealing ring respectively.
10. the lateral ball-and-seat of switching regulator according to claim 4, it is characterised in that：The control mechanism, including：
Control ring is connect between the valve pocket by pin；
The valve pocket is connect by closing piece with the lower contact, and the valve pocket lower part is additionally provided with the second snap ring；
The valve body further includes connector, and the connector is threadedly coupled with the seating nipple and the lower contact respectively；
Active force is applied to the control ring, cuts the pin, the constraint that the valve pocket is detached from the closing piece moves up, until valve
It puts on end face and is against top connection lower face, and second snap ring is stuck in connector upper surface and is positioned, and closes the endoporus
And the communicating passage between the exit orifice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721440267.8U CN207686672U (en) | 2017-11-01 | 2017-11-01 | Switch type lateral check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721440267.8U CN207686672U (en) | 2017-11-01 | 2017-11-01 | Switch type lateral check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207686672U true CN207686672U (en) | 2018-08-03 |
Family
ID=62988531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721440267.8U Expired - Fee Related CN207686672U (en) | 2017-11-01 | 2017-11-01 | Switch type lateral check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207686672U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112031690A (en) * | 2020-08-27 | 2020-12-04 | 北京博德世达石油技术股份有限公司 | Sleeve cleaning filter and cleaning method adopting same |
-
2017
- 2017-11-01 CN CN201721440267.8U patent/CN207686672U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112031690A (en) * | 2020-08-27 | 2020-12-04 | 北京博德世达石油技术股份有限公司 | Sleeve cleaning filter and cleaning method adopting same |
| CN112031690B (en) * | 2020-08-27 | 2024-04-19 | 北京博德世达石油技术股份有限公司 | Sleeve cleaning filter and cleaning method adopting sleeve cleaning filter |
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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 |
Granted publication date: 20180803 Termination date: 20201101 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |