CN207406328U - A kind of automatically controlled injection well downhole flow regulator - Google Patents
A kind of automatically controlled injection well downhole flow regulator Download PDFInfo
- Publication number
- CN207406328U CN207406328U CN201820071076.7U CN201820071076U CN207406328U CN 207406328 U CN207406328 U CN 207406328U CN 201820071076 U CN201820071076 U CN 201820071076U CN 207406328 U CN207406328 U CN 207406328U
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- flow regulator
- injection well
- downhole flow
- well downhole
- liquid stream
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Abstract
The utility model belongs to oil-field flooding field of tool, more particularly to a kind of automatically controlled injection well downhole flow regulator, including injection well downhole flow regulator shell, flowmeter and electronic blanking plug, the center of injection well downhole flow regulator is provided with central tube, electronic blanking plug and the circuit module mating with it are mounted in the enclosure space surrounded by injection well downhole flow regulator shell and central tube, and the automatically controlled injection well downhole flow regulator further includes liquid stream power generator.Liquid stream power generator is mounted between upper shell and upper center tube, and liquid stream power generator is vortex power generator.The utility model is provided with liquid stream power generator in injection well downhole flow regulator, during water filling, impeller rotation in the liquid driven liquid stream power generator of flowing, then the gear rotation on generator is driven, realize power generation, the electric energy that generator generates is stored in accumulator, so as to provide stable power supply for the work of electronic blanking plug and flowmeter, avoids the problem of electric-control system stability generated in the prior art by surface power supply is poor.
Description
Technical field
The utility model belongs to oil-field flooding field of tool more particularly to a kind of automatically controlled injection well downhole flow regulator.
Background technology
Water filling refers to improve oil recovery rate and achievees the purpose that stable and high yields, by ground by water injection well, will pass through
The water of purification is injected into oil reservoir, to supplement and keep the measure of energy.It is the drive generally used in China's oil extraction in oil field engineering
Oily technique during water filling, in order to reduce the moisture content of production fluid, improves oil production, it is necessary to monitor in real time and each oil reservoir of reed time controll
The injection rate of middle water.
Injection well downhole flow regulator is the specific purpose tool for adjusting each oil reservoir injection rate, it is necessary to pass through after traditional injection well downhole flow regulator installs
Underground work mode takes out the blanking plug in injection well downhole flow regulator, reaches adjustment injection rate replacing in blanking plug by way of water nozzle
Purpose, often adjust once, at least need operation once, and the cost per subjob lack then tens thousand of members, at most hundreds of thousands is first, makes
The implementation cost that the technique of injection rate must be adjusted remains high always.
To solve the problems, such as this, the utility model patent of Application No. CN201510288714.1 discloses a kind of water injection well
Regulator control system and its control method, basic principle are：The cable on ground and the injection well downhole flow regulator of underground are connected by cable, matched somebody with somebody
Flowmeter is provided in hydrophone, by the injection flow of computer monitoring injection well downhole flow regulator, by grasping real-time injection flow data
Carry out in the electronic blanking plug to underground water nozzle and carry out feedback regulation, by adjusting to suitable value to realize pair the aperture of water nozzle
The accurate adjustment of injection rate.However there are obvious shortcomings for this injection well downhole flow regulator：Electric part in this injection well downhole flow regulator, which relies on, passes to well
On cable be powered and communicate to connect, and cable in injection well downhole flow regulator goes into the well operation process and injection well downhole flow regulator installation after pole
Yi Yin is intake and short circuit or is damaged when colliding with.The problem of poor so as to cause the stability of electric-control system.
Utility model content
The utility model provides a kind of automatically controlled injection well downhole flow regulator, to solve the problems mentioned in the above background technology.
The technical issues of the utility model solves is realized using following technical scheme：
The utility model includes injection well downhole flow regulator shell, flowmeter and electronic blanking plug, and the center of injection well downhole flow regulator is provided with central tube,
Electronic blanking plug and the circuit module mating with it are mounted in the enclosure space surrounded by injection well downhole flow regulator shell and central tube, institute
The automatically controlled injection well downhole flow regulator stated further includes liquid stream power generator, and the injection well downhole flow regulator shell includes from top to bottom being sequentially connected by screw thread
Top connection, upper shell, fixing body and lower shell, the central tube shares two, is referred to as upper center tube and lower center
Pipe, is plugged with upper center tube, the opposite side of fixing body is provided with lower center tube, the electric block between top connection and fixing body
Plug device and the circuit module mating with it are mounted in the enclosure space surrounded by injection well downhole flow regulator shell and lower center tube；
The feed pathway that liquid stream is made to enter liquid stream power generator place space, the peace are provided in the top connection
Dress is provided in vivo to be flowed through the liquid of liquid stream power generator and drains into liquid outlet channel in central tube；
The liquid stream power generator is mounted between upper shell and upper center tube, and liquid stream power generator is vortex power generation dress
It puts, structure includes stator and rotor, and rotor includes impeller and rotary sleeve, and stator and impeller are arranged in pairs, on stator and impeller
Blade is both provided with, the stator is fixed on upper shell, and the impeller is fixed on rotary sleeve, the rotary sleeve set
On upper center tube, by the clamp spring /V being stuck on upper center tube, the lower end of rotary sleeve passes through upper center for the upper end of rotary sleeve
Shoulder /V on pipe is provided with generator below rotary sleeve, is equipped with gear in the rotation axis of generator, under rotary sleeve
The fluted disc engaged with the gear is machined on the outside of end；
Accumulator is additionally provided in enclosure space where the electronic blanking plug, accumulator passes through conducting wire and generator
It is connected, so as to which the electric energy of generation is stored in accumulator, accumulator is powered for electronic blanking plug and mating circuit module；
Cable-through hole is provided on the fixing body, the conducting wire for connecting accumulator and generator is worn from the cable-through hole
Cross, the end set of cable-through hole is useful for the seal assembly of sealed guide, the structure of the seal assembly include housing screw,
Ball and seal receptacle, the center of housing screw, ball and seal receptacle are both provided with to pass through the through hole of conducting wire, compress spiral shell
Nail is threadedly attached on seal receptacle and ball is encapsulated in seal receptacle, and seal receptacle is threadedly attached in fixing body
On；The rotary sleeve is made of sliding bearing.
The stator is fixed on by jackscrew on upper shell.The impeller is fixed on rotation by transition fit system
It puts on.
The beneficial effects of the utility model are：The utility model is provided with liquid stream power generator in injection well downhole flow regulator, during water filling,
Impeller rotation in the liquid driven liquid stream power generator of flowing then drives the gear rotation on generator, realizes power generation, hair
The electric energy that motor generates is stored in accumulator, so as to provide stable power supply for the work of electronic blanking plug and flowmeter, is kept away
The problem of electric-control system stability generated in the prior art by surface power supply is poor is exempted from.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the structure diagram of seal assembly；
Fig. 3 is the structure diagram of liquid stream power generator.
In figure：1- top connections, 2- liquid stream electrification components, 3- upper shells, 4- fixing bodies, 5- seal assemblies, the electronic blockings of 6-
Device, 7- lower shells, 8- lower center tubes, 9- circuit modules, 10- accumulators, 11- liquid outlet channels, 12- upper center tubes, 13- feed liquors lead to
Road, 14- housing screws, 15- balls, 16- seal receptacles, 17- impellers, 18- stators, 19- rotary sleeves, 20- generators, 21- teeth
Wheel, 22- blades, 23- clamp springs.
Specific embodiment
The utility model is described further below in conjunction with attached drawing：
The utility model includes injection well downhole flow regulator shell, flowmeter and electronic blanking plug 6, and the center of injection well downhole flow regulator is provided with center
It is empty that pipe, electronic blanking plug 6 and the circuit module 9 mating with it are mounted on the closing surrounded by injection well downhole flow regulator shell and central tube
In.It is above common structure of the prior art, details are not described herein.
The main innovative point of the utility model is：The automatically controlled injection well downhole flow regulator further includes liquid stream power generator 2.
The injection well downhole flow regulator shell includes from top to bottom passing through the sequentially connected top connection 1 of screw thread, upper shell 3, fixing body 4
With lower shell 7, the central tube shares two, is referred to as upper center tube 12 and lower center tube 8, top connection 1 and fixing body 4
Between be plugged with upper center tube 12, the opposite side of fixing body 4 is provided with lower center tube 8, the electronic blanking plug 6 and and its
Mating circuit module 9 is mounted in the enclosure space surrounded by injection well downhole flow regulator shell and lower center tube 8.
The feed pathway 13 that liquid stream is made to enter 2 place space of liquid stream power generator is provided in the top connection 1, it is described
Fixing body 4 in be provided with and flow through the liquid of liquid stream power generator 2 and drain into liquid outlet channel 11 in central tube.During water filling, one
Annular space where part liquid stream from feed pathway 13 into liquid stream power generator 2, the liquid driven liquid stream power generation dress of flowing
The impeller 17 put in 2 is rotated together with together with rotary sleeve 19, then the gear 21 on generator 20 is driven to rotate, and realizes power generation, hair
The electric energy that motor 20 generates is stored in accumulator 10, so as to provide stable electricity for the work of electronic blanking plug 6 and flowmeter
Source is avoided in the prior art because the electric-control system stability by being generated during surface power supply is poor the problem of.
In the utility model, the liquid stream power generator 2 is mounted between upper shell 3 and upper center tube 12, so as to
So that the logging channel (i.e. the passage in central tube center) in injection well downhole flow regulator center is retained, so as to ensure that logging tool can be smooth
In ground lower going-into-well.In addition, the entire outer diameter of injection well downhole flow regulator is usually 114mm, and during actual production, under making logging tool smooth
Enter in well, the diameter of logging channel is usually not less than 40mm, and upper shell 3 at least needs to occupy the diameter of 10mm, upper center tube
12 at least need to occupy the diameter of 7mm, calculate and understand, the radially installed space of liquid stream power generator 2 only has 28.5mm (i.e.
(114-40-10-7)/2=28.5mm).In this case, the utility model devises the turbine type power generation dress of structure novel
It puts, this required installation space of power generator is small, but generating efficiency is higher, can meet the installation under small space well
Demand.
The structure of turbine type power generator includes stator 18 and rotor, and rotor includes impeller 17 and rotary sleeve 19, stator 18
It being arranged in pairs with impeller 17, blade 22 is both provided on stator 18 and impeller 17, the stator 18 is fixed on upper shell 3,
The impeller 17 is fixed on rotary sleeve 19, and the rotary sleeve 19 is sleeved on upper center tube 12.During water filling, impeller 18 is in liquid
It is rotated under the impact of stream, so as to generate the power for rotating rotary sleeve 19.During assembling, it can be led to by jackscrew fixed stator 18
Impeller 17 is fixedly mounted on rotary sleeve 19 by the mode of transition cooperation or key connection.
The upper end of rotary sleeve 19 is by 23 /V of clamp spring that is stuck on upper center tube 12, and the lower end of rotary sleeve 19 is by upper
Shoulder /V on heart pipe 12 when rotary sleeve 19 rotates, is subject to downward axial force, the lower end of rotary sleeve 19 is in the axial force
It is against under effect on the shoulder, therefore, clamp spring 2 does not stress when rotary sleeve 19 rotates, that is to say, that clamp spring 23 can't shadow
Ring axial limiting precision of the rotary sleeve 19 on upper center tube 12.
Generator 20 is mounted on the lower section of rotary sleeve 19, and gear 21, rotary sleeve 19 are equipped in the rotation axis of generator 20
Lower end on the outside of be machined with the fluted disc engaged with the gear 21.In enclosure space where the electronic blanking plug 6
Accumulator 10 is additionally provided with, accumulator 10 is connected by conducting wire with generator 20, so as to which the electric energy of generation is stored in accumulator
In 10, accumulator 10 is powered for electronic blanking plug 6 and mating circuit module 9.The main shaft of rotary sleeve 19 and generator 20 leads to
Cross gear driving pair connection so that the rotating speed higher of generator 20, generating efficiency also higher, and then fully ensure that electronic blanking plug
6 and the power supply of flowmeter, especially it can still ensure electronic blanking plug 6 and flowmeter after water filling once more stopping note a period of time
It can still work normally.
Cable-through hole is provided on the fixing body 4, the conducting wire for connecting accumulator 10 and generator 20 crosses line from described
Hole passes through, and the end set of cable-through hole is useful for the seal assembly 5 of sealed guide.It, can be by cable-through hole by setting seal assembly 5
Clearance seal between inner wall and hole inside conductor, so as to prevent that liquid stream is empty along the closing where cable-through hole into electronic blanking plug 6
In.
The structure of the seal assembly 5 includes housing screw 14, ball 15 and seal receptacle 16, housing screw 14, rubber
The center of glueballs 15 and seal receptacle 16 is both provided with to pass through the through hole of conducting wire, and housing screw 14 is threadedly attached in sealing
It is encapsulated on seat 16 and by ball 15 in seal receptacle 16, seal receptacle 16 is threadedly attached on fixing body 4.By conducting wire by close
After the center of sealing assembly 5 passes through, housing screw 14 is tightened, so as to which ball 15 be compressed, the ball 15 after compression is close to
On conducting wire, so as to fulfill the sealing to conducting wire.
The rotary sleeve 19 is made of sliding bearing, sliding bearing be it is a kind of work under sliding friction it is uncommon
Specific bearing, the radial thickness of this bearing is smaller, is highly suitable for installing impeller 17 under narrow environment.
The wireless communication module for being used to implement ground and underground communica tion is provided in the circuit module 9 so that on ground
Injection rate can be adjusted in face.The lower center tube 8 is made of nonmetallic materials, avoids shielding electromagnetic signal.
Claims (3)
1. a kind of automatically controlled injection well downhole flow regulator is provided with including injection well downhole flow regulator shell, flowmeter and electronic blanking plug (6), the center of injection well downhole flow regulator
Central tube, electronic blanking plug (6) and the circuit module mating with it (9) are mounted on what is surrounded by injection well downhole flow regulator shell and central tube
In enclosure space, it is characterised in that：The automatically controlled injection well downhole flow regulator further includes liquid stream power generator (2), the injection well downhole flow regulator shell
It is described including from top to bottom by the sequentially connected top connection of screw thread (1), upper shell (3), fixing body (4) and lower shell (7)
Central tube shares two, is referred to as upper center tube (12) and lower center tube (8), grafting between top connection (1) and fixing body (4)
Have a upper center tube (12), the opposite side of fixing body (4) is provided with lower center tube (8), the electronic blanking plug (6) and and its
Mating circuit module (9) is mounted in the enclosure space surrounded by injection well downhole flow regulator shell and lower center tube (8)；
The feed pathway (13) that liquid stream is made to enter liquid stream power generator (2) place space, institute are provided in the top connection (1)
It is provided in the fixing body (4) stated and flows through the liquid of liquid stream power generator (2) and drain into liquid outlet channel (11) in central tube；
The liquid stream power generator (2) is mounted between upper shell (3) and upper center tube (12), and liquid stream power generator (2) is
Be vortexed power generator, structure include stator (18) and rotor, rotor include impeller (17) and rotary sleeve (19), stator (18) and
Impeller (17) is arranged in pairs, and blade (22) is both provided on stator (18) and impeller (17), and the stator (18) is fixed on
On cylinder (3), the impeller (17) is fixed on rotary sleeve (19), and the rotary sleeve (19) is sleeved on upper center tube (12)
On, by clamp spring (23) /V being stuck on upper center tube (12), the lower end of rotary sleeve (19) passes through for the upper end of rotary sleeve (19)
Shoulder /V on upper center tube (12) is provided with generator (20), the rotation axis of generator (20) below rotary sleeve (19)
On gear (21) is installed, the fluted disc engaged with the gear (21) is machined on the outside of the lower end of rotary sleeve (19)；
Accumulator (10) is additionally provided in enclosure space where the electronic blanking plug (6), accumulator (10) passes through conducting wire
It is connected with generator (20), so as to which the electric energy of generation is stored in accumulator (10), accumulator (10) is electronic blanking plug (6)
And mating circuit module (9) power supply；
It is provided with cable-through hole on the fixing body (4), the conducting wire of connection accumulator (10) and generator (20) is from the mistake
String holes passes through, and the end set of cable-through hole is useful for the seal assembly of sealed guide (5), and the structure of seal assembly (5) includes pressure
Tight screw (14), ball (15) and seal receptacle (16), the center of housing screw (14), ball (15) and seal receptacle (16) is
It is provided with to pass through the through hole of conducting wire, housing screw (14) is threadedly attached on seal receptacle (16) and by ball (15)
It is encapsulated in seal receptacle (16), seal receptacle (16) is threadedly attached on fixing body (4)；
The rotary sleeve (19) is made of sliding bearing.
2. a kind of automatically controlled injection well downhole flow regulator according to claim 1, it is characterised in that：The stator (18) is fixed by jackscrew
On upper shell (3).
3. a kind of automatically controlled injection well downhole flow regulator according to claim 2, it is characterised in that：The impeller (17) is coordinated by transition
Mode is fixed on rotary sleeve (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820071076.7U CN207406328U (en) | 2018-01-17 | 2018-01-17 | A kind of automatically controlled injection well downhole flow regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820071076.7U CN207406328U (en) | 2018-01-17 | 2018-01-17 | A kind of automatically controlled injection well downhole flow regulator |
Publications (1)
| Publication Number | Publication Date |
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| CN207406328U true CN207406328U (en) | 2018-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820071076.7U Active CN207406328U (en) | 2018-01-17 | 2018-01-17 | A kind of automatically controlled injection well downhole flow regulator |
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| CN (1) | CN207406328U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108266167A (en) * | 2018-01-17 | 2018-07-10 | 大庆市天德忠石油科技有限公司 | A kind of automatically controlled injection well downhole flow regulator |
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2018
- 2018-01-17 CN CN201820071076.7U patent/CN207406328U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108266167A (en) * | 2018-01-17 | 2018-07-10 | 大庆市天德忠石油科技有限公司 | A kind of automatically controlled injection well downhole flow regulator |
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