CN207568577U - Oil well injection-recovery apparatus - Google Patents
Oil well injection-recovery apparatus Download PDFInfo
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- CN207568577U CN207568577U CN201721471854.3U CN201721471854U CN207568577U CN 207568577 U CN207568577 U CN 207568577U CN 201721471854 U CN201721471854 U CN 201721471854U CN 207568577 U CN207568577 U CN 207568577U
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Abstract
The utility model provides a kind of oil well injection-recovery apparatus, is related to exploitation of oil-gas field technology.The utility model is by setting the plenum chamber with oil jacket annular space unicom, by setting balanced component, the connection of plenum chamber and oil pipe to be switched on or off by balanced component, when plenum chamber is connected balanced component with the connection of oil pipe, can pressurized fluid be injected into oil pipe by oil jacket annular space, during so that pressurized fluid driving balanced component movement in an axial direction and opens the through-hole in the first support plate, connection between plenum chamber and oil pipe is connected, can realize mix it is dilute, dosing, water filling, the operations such as gas injection, the problem of difficulty being opened or closed there is no check valve, it ensure that the functional reliability of oil well injection-recovery apparatus, simultaneously, it also is able to the operation for avoiding repeating upper lower tubular column, save cost of winning.
Description
Technical field
The utility model is related to exploitation of oil-gas field technology more particularly to a kind of oil well injection-recovery apparatus.
Background technology
For the insufficient oil well of the oil reservoirs feed flow such as carbonate rock fractured cave type, it will usually the periodically water filling into oil well, with
Stratum energy is supplemented, improves recovery ratio.After more round water fillings, secondary oil-water interfaces are constantly lifted, and the water of injection can be by fracture hole
At the top of body Crude Oil displacement to Reservoir Body and remote well area, forms " attic oil ", water filling is caused to be failed for oil.It is asked to solve this
Topic, can inject gas to oil well, secondary pneumatic jack is formed by gravitational differentiation, and water filling is failed the top fed through to residue
Oily displacement downwards enters pit shaft, so as to improve recovery ratio.Being filled in the oil well of gas can be there are emulsification of crude oil phenomenon, for original
It is dilute by mixing dilute tubing string progress annular blending that oil emulsifies serious oil well needs.
In the prior art, it mixes dilute tubing string and includes check valve and mixing arrangement, check valve notes the thin oil for entering oil jacket annular space
Enter mixing arrangement, viscous crude also enters mixing arrangement through check valve, and thin oil, viscous crude are mixed by mixing arrangement, stirring
Miscella afterwards enters machine and adopts in pump.However, the check valve mixed in dilute tubing string is frequently present of the problem of opening or closing difficulty, lead
The functional reliability for mixing dilute tubing string is caused to reduce.
Utility model content
For drawbacks described above of the prior art, the utility model provides a kind of oil well injection-recovery apparatus, and there is no check valves
The problem of opening or closing difficulty ensure that the functional reliability of oil well injection-recovery apparatus, simultaneously, additionally it is possible to avoid repeating upper down tube
Cost of winning is saved in the operation of column.
The utility model provides one kind, and oil well injection-recovery apparatus is arranged in oil well casing, and the oil well injection-recovery apparatus includes：
Oil pipe, the oil pipe can form oil jacket annular space between the oil well casing；Plenum chamber, the plenum chamber are arranged on the oil
It covers in annular space, the plenum chamber has entrance and outlet, and the outlet of the plenum chamber is connected with the oil pipe, the plenum chamber
Entrance is connected with the oil jacket annular space；First support plate, first support plate are fixed in the plenum chamber, and described
One support plate and the locular wall sealing of the plenum chamber coordinate, and through-hole is offered in first support plate；Balanced component is described flat
Weighing apparatus component is arranged in the plenum chamber, and the balanced component can be along the axial movement in the plenum chamber.
Wherein, balanced component movement in an axial direction and when blocking the through-hole in first support plate, it is described
Connection between plenum chamber and the oil pipe disconnects；Balanced component movement in an axial direction is simultaneously opened in first support plate
The through-hole when, the connection between the plenum chamber and the oil pipe is connected.
Optionally, the balanced component includes：Balanced ball, the radius of the balanced ball are more than the radius of the through-hole, with
The Fluid pressure in the oil jacket annular space is enable to drive the balanced ball that can be opened along the axial movement of the plenum chamber
The plenum chamber is connected the through-hole with the connection of the oil pipe.
Optionally, the oil well injection-recovery apparatus further includes：Second support plate, second support plate are fixed at described
In plenum chamber；The balanced component and second support plate are flexibly connected by connector, the connector.
Optionally, the balanced component further includes：Balance plate；Pillar, the pillar be connected to the balance plate with it is described
Between balanced ball.
Optionally, second support plate is arranged on the top of first support plate, and the connector is fixed on described
The downside of second support plate, the Fluid pressure in the oil jacket annular space enter the plenum chamber and act on the balance plate with band
The balanced ball is moved to move up and open the through-hole in first support plate.
Optionally, the plenum chamber is provided with more than one entrance, and the entrance is arranged on the balance plate and described the
Between one support plate, the inlet is provided with atomizer.
Optionally, second support plate is arranged on the lower section of first support plate, and the connector is fixed on described
The upside of second support plate, the connector can push against the balanced ball and first support plate；The plenum chamber
Entrance be arranged on the top of first support plate.
Wherein, the Fluid pressure in the oil jacket annular space can enter the plenum chamber and act on the balanced ball, with
The balanced ball is driven to move down and opens the through-hole in first support plate.
Optionally, the connector includes：Spring.
Optionally, the entrance is arranged on the top of first support plate.
Optionally, the plenum chamber is provided with connecting tube, and the connecting tube is arranged on the lower section of first support plate, institute
It states connecting tube and connects setting with the oil pipe.
Oil well injection-recovery apparatus provided by the utility model by setting the plenum chamber with oil jacket annular space unicom, passes through setting
Balanced component, the connection of plenum chamber and oil pipe to be switched on or off by balanced component, balanced component by plenum chamber with
During the connection conducting of oil pipe, can pressurized fluid be injected into oil pipe by oil jacket annular space, so that pressurized fluid band dynamic balancing group
Part movement in an axial direction and when opening the through-hole in the first support plate, the connection between plenum chamber and oil pipe is connected, and can realize
The problem of mixing the operations such as dilute, dosing, water filling, gas injection, difficulty is opened or closed there is no check valve ensure that oil well injection-recovery apparatus
Functional reliability, simultaneously, additionally it is possible to avoid repeating the operation of upper lower tubular column, save cost of winning.
Description of the drawings
Fig. 1 is the structure diagram of oil well injection-recovery apparatus that the present embodiment one provides；
Fig. 2 is the structure diagram of oil well injection-recovery apparatus that the present embodiment two provides.
Reference sign：
100- oil pipes；101- oil jacket annular spaces；200- plenum chambers；The first support plates of 201-；202- balanced components；202a- is put down
Weigh ball；202b- pillars；202c- balance plates；The second support plates of 203-；204- connectors；205- entrances；205a- atomizers；
206- is exported.
Specific embodiment
Purpose, technical scheme and advantage to make the utility model embodiment are clearer, new below in conjunction with this practicality
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model part of the embodiment, instead of all the embodiments.
Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.In the absence of conflict, following implementation
Feature in example and embodiment can be combined with each other.
Wherein, the term of " on ", " under " etc., is for describing the relative position relation of each structure in the accompanying drawings, only
Convenient for understanding rather than to limit the enforceable range of the utility model for narration, relativeness is altered or modified, in nothing
Under essence change technology contents, when being also considered as the enforceable scope of the utility model.
It should be noted that term " first ", " second " are only used for facilitating description different in the description of the present invention,
Component, and it is not intended that instruction or implying ordinal relation, relative importance or implicit indicating indicated technical characteristic
Quantity." first " is defined as a result, at least one this feature can be expressed or be implicitly included to the feature of " second ".
Embodiment one
Fig. 1 is the structure diagram of oil well injection-recovery apparatus that the present embodiment one provides.
Fig. 1 is please referred to, the present embodiment provides a kind of oil well injection-recovery apparatus, oil well injection-recovery apparatus is arranged in oil well casing,
Oil well injection-recovery apparatus includes：Oil pipe 100, oil pipe 100 can form oil jacket annular space 101 between oil well casing；First support plate
201, the first support plate 201 is fixed in plenum chamber 200, and the first support plate 201 and the locular wall sealing of plenum chamber 200 are matched
It closes, through-hole is offered in the first support plate 201；Balanced component 202, balanced component 202 are arranged in plenum chamber 200, balance group
Part 202 can be along the axial movement in plenum chamber 200.
Wherein, the movement in an axial direction of balanced component 202 and when blocking the through-hole in the first support plate 201, plenum chamber 200 with
Connection between oil pipe 100 disconnects；The movement in an axial direction of balanced component 202 and when opening the through-hole in the first support plate 201, fills
Connection between gas chamber 200 and oil pipe 100 is connected.
Specifically, plenum chamber 200 can be tubular structure, be provided with more than one entrance 205 on plenum chamber 200, with
Oil jacket annular space 101 connects；When plenum chamber 200 is provided with multiple entrances 205, multiple entrances 205 can be disposed on same
On circumference, in order to which the fluid in oil jacket annular space 101 enters plenum chamber 200.
Plenum chamber 200 is coaxially disposed with oil pipe 100；Plenum chamber 200 exports 206 by it and is connected with oil pipe 100.Oil pipe
Connecting hole is provided on 100, plenum chamber 200 can be connect by connecting tube with oil pipe 100, at this point, the both ends difference of connecting tube
The connection seal of tube cooperation of outlet 206, oil pipe 100 with plenum chamber 200.Plenum chamber 200 can be wholely set with connecting tube, even
It takes over one end towards oil pipe 100 and forms outlet 206, and connecting tube is close towards one end of oil pipe 100 and the connecting hole of oil pipe 100
Envelope cooperation.Wherein, sealing cooperation can be realized by being interference fitted, setting sealing ring or filling with sealant.
First support plate 201 is fixed in plenum chamber 200, and the shape of the first support plate 201 can be with plenum chamber 200
The shape of inner space be adapted, coordinate in order to which the locular wall of the first support plate 201 and plenum chamber 200 seals.Such as：When filling
When gas chamber 200 is round tube shape structure, the first support plate 201 is Circular plate structure.First support plate 201 can be with 200 mistake of plenum chamber
It is full of and coordinates or be provided with sealing element between the first support plate 201 and the locular wall of plenum chamber 200.
Balanced component 202 includes：Balanced ball 202a, balanced ball 202a can be arranged on the top of the first support plate 201, the
Through-hole is offered in one support plate 201, the radius of balanced ball 202a is more than the radius of through-hole.Fluid in oil jacket annular space 101
When pressure can drive balanced ball 202a along the axial movement of plenum chamber 200 and block through-hole, plenum chamber 200 and oil pipe 100
Connection disconnects；When the Fluid pressure in oil jacket annular space 101 can drive balanced ball 202a along the axial movement of plenum chamber 200 and beat
When opening hole, plenum chamber 200 is connected with the connection of oil pipe 100.
Optionally, balanced component 202 further includes：Balance plate 202c；Balance plate 202c can directly connect with balanced ball 202a
It connects, balance plate 202c is synchronized with the movement with balanced ball 202a.By setting balance plate 202c, balance plate 202c is with entering plenum chamber
200 fluid have bigger contact area, convenient for by oil jacket annular space 101 enter plenum chamber 200 fluid forces tablet and
Balanced ball 202a is moved.
Optionally, in order to further convenient for the fluid forces tablet and balance by oil jacket annular space 101 into plenum chamber 200
Ball 202a is moved, and pillar 202b is also associated between balanced ball 202a and balance plate 202c, at this point, the entrance 205 of plenum chamber 200
It is arranged between balance plate 202c and the first support plate 201, the fluid after pressurization, which passes through, enters entrance 205 in oil jacket annular space 101
The atomizer 205a at place, fluid are acted on since atomizing is dispersed to little particle and enters plenum chamber 200 and balance plate 202c,
So as to press to balance plate 202c and balance plate 202c and balanced ball 202a is driven to move up, open logical in the first support plate 201
Plenum chamber 200 and oil pipe 100 are connected in hole.
Plenum chamber 200 is provided with more than one entrance 205；When being provided with multiple entrances 205 on the side wall of plenum chamber 200
When, multiple entrances 205 are arranged at intervals, so that the fluid in oil jacket annular space 101 enters plenum chamber 200.
Optionally, oil well injection-recovery apparatus further includes：Second support plate 203, the second support plate 203 are fixed at inflation
In room 200；Connector 204, balance plate 202c and the second support plate 203 are flexibly connected by connector 204, so that balance plate 202c
And balanced ball 202a can be moved axially in plenum chamber 200.It can be limited with connector 204 by the second support plate 203 flat
The distance that weighing apparatus ball 202a is moved up.
Second support plate 203 is fixedly connected with plenum chamber 200, is mainly used for fixedly connected part 204.Second support plate 203
There can be larger thickness, to improve its bearing capacity.Second support plate 203 can be clamped with the locular wall of plenum chamber 200, weldering
It connects or is fastenedly connected by fasteners such as screws.Between second support plate 203 can have between the side wall of plenum chamber 200
Gap.
In the present embodiment, the second support plate 203 is arranged on the top of the first support plate 201, and connector 204 is fixed on second
The downside of support plate 203, the Fluid pressure in oil jacket annular space 101 enter plenum chamber 200 and act on balance plate 202c to drive
Balanced ball 202a is moved up and is opened the through-hole in the first support plate 201.
In the present embodiment, connector 204 can be spring, at this point, when oil pipe 100 normally adopt by note, oil pipe 100 and inflation
Connection between room 200 disconnects, at this point, under the action of the gravity of balanced ball 202a itself and the compression potential energy of spring, balance
Ball 202a and the first support plate 201 push against and block the through-hole in the first support plate 201；Enter oil jacket annular space when there is pressurized fluid
In 101, pressurized fluid acts on balance plate 202c by atomizer 205a, balance plate 202c drive balanced ball 202a together to
Upper movement, spring continuation are compressed, meanwhile, balanced ball 202a opens the through-hole in the first support plate 201, into plenum chamber 200
Fluid enter in oil pipe 100 by the outlet 206 of through-hole and plenum chamber 200 in the first support plate 201；When oil jacket annular space
In 101 after pressure release, under the compression potential energy and the balanced ball 202a gravity of itself of spring, balanced ball 202a and balance plate
202c is moved down, and balanced ball 202a and the first support plate 201 push against and block the through-hole in the first support plate 201.
Connector 204 can also be the flexible pieces such as rope, so that balance plate 202c can be moved up, such as work as connector
204 be rope when, when there is pressurized fluid to enter in oil jacket annular space 101, pressurized fluid acts on balance by atomizer 205a
Plate 202c, balance plate 202c drive balanced ball 202a to move upwardly together, rope flexural deformation, meanwhile, balanced ball 202a is opened
Through-hole in first support plate 201, into plenum chamber 200 fluid by the through-hole and plenum chamber 200 in the first support plate 201
Outlet 206 enter oil pipe 100 in；After pressure release in oil jacket annular space 101, under the balanced ball 202a gravity of itself,
Balanced ball 202a and balance plate 202c are moved down, and balanced ball 202a and the first support plate 201 push against and block the first support plate
Through-hole on 201, rope restore to the original state.
Certainly, connector 204 can also be telescopic rod, and when there is pressurized fluid to enter in oil jacket annular space 101, pressurized fluid passes through
It crosses atomizer 205a and acts on balance plate 202c, balance plate 202c drives balanced ball 202a to move upwardly together, telescopic rod contracting
It is short, meanwhile, balanced ball 202a opens the through-hole in the first support plate 201, and the fluid into plenum chamber 200 passes through the first support plate
The outlet 206 of through-hole and plenum chamber 200 on 201 enters in oil pipe 100；After pressure release in oil jacket annular space 101, in balanced ball
Under the gravity of 202a itself, balanced ball 202a and balance plate 202c are moved down, balanced ball 202a and the first support plate 201
It pushes against and blocks the through-hole in the first support plate 201, telescopic rod elongation.
In the present embodiment, fluid can be water, to realize the purpose of water filling supercharging；Fluid can be gas, to realize note
The purpose of gas supercharging；Fluid can also be medicament or mix thin liquid etc., to realize the purpose of viscosity reduction production.
Oil well injection-recovery apparatus provided in this embodiment by setting the plenum chamber 200 with 101 unicom of oil jacket annular space, passes through
Balanced component 202 is set, to be switched on or off plenum chamber 200 and the connection of oil pipe 100 by balanced component 202, flat
When plenum chamber 200 is connected weighing apparatus component 202 with the connection of oil pipe 100, it can be injected by oil jacket annular space 101 into oil pipe 100
Pressurized fluid, so that pressurized fluid drives the movement in an axial direction of balanced component 202 and opens the through-hole in the first support plate 201
When, the connection between plenum chamber 200 and oil pipe 100 is connected, and can realize and mix the operations such as dilute, dosing, water filling, gas injection, be not present
Check valve opens or closes the problem of difficulty, ensure that the functional reliability of oil well injection-recovery apparatus, simultaneously, additionally it is possible to avoid repeating
Cost of winning is saved in the operation of upper lower tubular column.
Embodiment two
Fig. 2 is the structure diagram of oil well injection-recovery apparatus that the present embodiment two provides.
Fig. 2 is please referred to, the present embodiment provides a kind of oil well injection-recovery apparatus, oil well injection-recovery apparatus is arranged in oil well casing,
Oil well injection-recovery apparatus includes：Oil pipe 100, oil pipe 100 can form oil jacket annular space 101 between oil well casing；First support plate
201, the first support plate 201 is fixed in plenum chamber 200, and the first support plate 201 and the locular wall sealing of plenum chamber 200 are matched
It closes, through-hole is offered in the first support plate 201；Balanced component 202, balanced component 202 are arranged in plenum chamber 200, balance group
Part 202 can be along the axial movement in plenum chamber 200.
Wherein, the movement in an axial direction of balanced component 202 and when blocking the through-hole in the first support plate 201, plenum chamber 200 with
Connection between oil pipe 100 disconnects；The movement in an axial direction of balanced component 202 and when opening the through-hole in the first support plate 201, fills
Connection between gas chamber 200 and oil pipe 100 is connected.
Specifically, plenum chamber 200 can be tubular structure, be provided with more than one entrance 205 on plenum chamber 200, with
Oil jacket annular space 101 connects；When plenum chamber 200 is provided with multiple entrances 205, multiple entrances 205 can be disposed on same
On circumference, in order to which the fluid in oil jacket annular space 101 enters plenum chamber 200.
Plenum chamber 200 is coaxially disposed with oil pipe 100；Plenum chamber 200 exports 206 by it and is connected with oil pipe 100.Oil pipe
Connecting hole is provided on 100, plenum chamber 200 can be connect by connecting tube with oil pipe 100, at this point, the both ends difference of connecting tube
The connection seal of tube cooperation of outlet 206, oil pipe 100 with plenum chamber 200.Plenum chamber 200 can be wholely set with connecting tube, even
It takes over one end towards oil pipe 100 and forms outlet 206, and connecting tube is close towards one end of oil pipe 100 and the connecting hole of oil pipe 100
Envelope cooperation.Wherein, sealing cooperation can be realized by being interference fitted, setting sealing ring or filling with sealant.
First support plate 201 is fixed in plenum chamber 200, and the shape of the first support plate 201 can be with plenum chamber 200
The shape of inner space be adapted, coordinate in order to which the locular wall of the first support plate 201 and plenum chamber 200 seals.Such as：When filling
When gas chamber 200 is round tube shape structure, the first support plate 201 is Circular plate structure.First support plate 201 can be with 200 mistake of plenum chamber
It is full of and coordinates or be provided with sealing element between the first support plate 201 and the locular wall of plenum chamber 200.
Balanced component 202 includes：Balanced ball 202a, balanced ball 202a can be arranged on the lower section of the first support plate 201, the
Through-hole is offered in one support plate 201, the radius of balanced ball 202a is more than the radius of through-hole.Fluid in oil jacket annular space 101
When pressure can drive balanced ball 202a along the axial movement of plenum chamber 200 and block through-hole, plenum chamber 200 and oil pipe 100
Connection disconnects；When the Fluid pressure in oil jacket annular space 101 can drive balanced ball 202a along the axial movement of plenum chamber 200 and beat
When opening hole, plenum chamber 200 is connected with the connection of oil pipe 100.
At this point, the entrance 205 of plenum chamber 200 is arranged on the top of the first support plate 201, the fluid after pressurization passes through oil jacket
Enter entrance 205 in annular space 101 and act on balanced ball 202a into plenum chamber 200, so as to press balanced ball 202a with band
Dynamic balancing ball 202a is moved down, and opens the through-hole in the first support plate 201, plenum chamber 200 and oil pipe 100 are connected.
Plenum chamber 200 is provided with more than one entrance 205；When being provided with multiple entrances 205 on the side wall of plenum chamber 200
When, multiple entrances 205 are arranged at intervals, so that the fluid in oil jacket annular space 101 enters plenum chamber 200.
Oil well injection-recovery apparatus, further includes：Second support plate 203, the second support plate 203 are fixed in plenum chamber 200；
Balance plate 202c and the second support plate 203 are flexibly connected by connector 204, connector 204, so that balanced ball 202a can fill
It is moved axially in gas chamber 200.Second support plate 203 is mainly used for supporting balanced ball 202a with connector 204.
Second support plate 203 is fixedly connected with plenum chamber 200, is mainly used for fixedly connected part 204.Second support plate 203
There can be larger thickness, to improve its bearing capacity.Second support plate 203 can be clamped with the locular wall of plenum chamber 200, weldering
It connects or is fastenedly connected by fasteners such as screws.Between second support plate 203 can have between the side wall of plenum chamber 200
Gap.
In the present embodiment, the second support plate 203 is arranged on the lower section of the first support plate 201, and connector 204 is fixed on second
The upside of support plate 203, connector 204 can push against balanced ball 202a and the first support plate 201.
In the present embodiment, connector 204 is spring, at this point, when oil pipe 100 normally adopt by note, oil pipe 100 and plenum chamber
Connection between 200 disconnects, at this point, under the action of the compression potential energy of spring, balanced ball 202a is pushed against with the first support plate 201
And block the through-hole in the first support plate 201；When there is pressurized fluid to enter in oil jacket annular space 101, pressurized fluid passes through entrance 205
Into plenum chamber 200 and balanced ball 202a is acted on, meanwhile, under the balanced ball 202a gravity of itself, balanced ball 202a
It moving down, spring continuation is compressed, meanwhile, balanced ball 202a opens the through-hole in the first support plate 201, into plenum chamber
200 fluid enters by the outlet 206 of through-hole and plenum chamber 200 in the first support plate 201 in oil pipe 100；When oil jacket ring
In gap 101 after pressure release, under the compression potential energy effect of spring, balanced ball 202a is moved up, balanced ball 202a and first
Fagging 201 pushes against and blocks the through-hole in the first support plate 201.
Optionally, balanced component 202 can also include：Column, pillar 202b can connect balanced ball 202a and connector
Between 204.Certainly, balanced component 202 can also include balance plate 202c, and balance plate 202c is connect with connector 204, pillar
202b is connected between balance plate 202c and balanced ball 202a.
In the present embodiment, fluid can be water, to realize the purpose of water filling supercharging；Fluid can be gas, to realize note
The purpose of gas supercharging；Fluid can also be medicament or mix thin liquid etc., to realize the purpose of viscosity reduction production.
Oil well injection-recovery apparatus provided in this embodiment by setting the plenum chamber 200 with 101 unicom of oil jacket annular space, passes through
Balanced component 202 is set, to be switched on or off plenum chamber 200 and the connection of oil pipe 100 by balanced component 202, flat
When plenum chamber 200 is connected weighing apparatus component 202 with the connection of oil pipe 100, it can be injected by oil jacket annular space 101 into oil pipe 100
Pressurized fluid, so that pressurized fluid drives the movement in an axial direction of balanced component 202 and opens the through-hole in the first support plate 201
When, the connection between plenum chamber 200 and oil pipe 100 is connected, and can realize and mix the operations such as dilute, dosing, water filling, gas injection, be not present
Check valve opens or closes the problem of difficulty, ensure that the functional reliability of oil well injection-recovery apparatus, simultaneously, additionally it is possible to avoid repeating
Cost of winning is saved in the operation of upper lower tubular column.
Finally it should be noted that：The above various embodiments is only to illustrate the technical solution of the utility model rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should
Understand：It can still modify to the technical solution recorded in foregoing embodiments either to which part or whole
Technical characteristic carries out equivalent replacement；And these modifications or replacement, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of oil well injection-recovery apparatus, oil well injection-recovery apparatus are arranged in oil well casing, which is characterized in that the oil well note adopts dress
Put including：
Oil pipe, the oil pipe can form oil jacket annular space between the oil well casing；
Plenum chamber, the plenum chamber are arranged in the oil jacket annular space, and the plenum chamber has entrance and outlet, the plenum chamber
Outlet connected with the oil pipe, the entrance of the plenum chamber is connected with the oil jacket annular space；
First support plate, first support plate are fixed in the plenum chamber, first support plate and the inflation
The locular wall sealing of room coordinates, and through-hole is offered in first support plate；
Balanced component, the balanced component are arranged in the plenum chamber, and the balanced component can be along the plenum chamber
Axial movement；
Wherein, balanced component movement in an axial direction and when blocking the through-hole in first support plate, the inflation
Connection between room and the oil pipe disconnects；Balanced component movement in an axial direction simultaneously opens the institute in first support plate
When stating through-hole, the connection between the plenum chamber and the oil pipe is connected.
2. oil well injection-recovery apparatus according to claim 1, which is characterized in that the balanced component includes：
Balanced ball, the radius of the balanced ball is more than the radius of the through-hole, so that the fluid pressure energy in the oil jacket annular space
Enough drive the balanced ball that can open the through-hole along the axial movement of the plenum chamber, by the plenum chamber and the oil
The connection conducting of pipe.
3. oil well injection-recovery apparatus according to claim 2, which is characterized in that further include：
Second support plate, second support plate are fixed in the plenum chamber；
The balanced component and second support plate are flexibly connected by connector, the connector.
4. oil well injection-recovery apparatus according to claim 3, which is characterized in that the balanced component further includes：
Balance plate；
Pillar, the pillar are connected between the balance plate and the balanced ball.
5. oil well injection-recovery apparatus according to claim 4, which is characterized in that second support plate is arranged on described first
The top of support plate, the connector are fixed on the downside of second support plate, the Fluid pressure in the oil jacket annular space into
Enter the plenum chamber and act on the balance plate so that the balanced ball to be driven to move up and is opened in first support plate
Through-hole.
6. oil well injection-recovery apparatus according to claim 5, which is characterized in that the plenum chamber is provided with more than one and enters
Mouthful, the entrance is arranged between the balance plate and first support plate, and the inlet is provided with atomizer.
7. oil well injection-recovery apparatus according to claim 3, which is characterized in that second support plate is arranged on described first
The lower section of support plate, the connector are fixed on the upside of second support plate, and the connector can be by the balanced ball
It is pushed against with first support plate；The entrance of the plenum chamber is arranged on the top of first support plate；
Wherein, the Fluid pressure in the oil jacket annular space can enter the plenum chamber and act on the balanced ball, to drive
The balanced ball moves down and opens the through-hole in first support plate.
8. oil well injection-recovery apparatus according to claim 3, which is characterized in that the connector includes：Spring.
9. according to claim 5-8 any one of them oil well injection-recovery apparatus, which is characterized in that the entrance is arranged on described
The top of one support plate.
10. according to claim 1-8 any one of them oil well injection-recovery apparatus, which is characterized in that the plenum chamber is provided with company
It takes over, the connecting tube is arranged on the lower section of first support plate, and the connecting tube connects setting with the oil pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721471854.3U CN207568577U (en) | 2017-11-07 | 2017-11-07 | Oil well injection-recovery apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721471854.3U CN207568577U (en) | 2017-11-07 | 2017-11-07 | Oil well injection-recovery apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207568577U true CN207568577U (en) | 2018-07-03 |
Family
ID=62693925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721471854.3U Active CN207568577U (en) | 2017-11-07 | 2017-11-07 | Oil well injection-recovery apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207568577U (en) |
-
2017
- 2017-11-07 CN CN201721471854.3U patent/CN207568577U/en active Active
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