CN207332852U - Downhole intelligent injection well downhole flow regulator - Google Patents
Downhole intelligent injection well downhole flow regulator Download PDFInfo
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- CN207332852U CN207332852U CN201820071077.1U CN201820071077U CN207332852U CN 207332852 U CN207332852 U CN 207332852U CN 201820071077 U CN201820071077 U CN 201820071077U CN 207332852 U CN207332852 U CN 207332852U
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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, a kind of more particularly to downhole intelligent 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 supporting with it are installed in the enclosure space surrounded by injection well downhole flow regulator shell and central tube, and the downhole intelligent injection well downhole flow regulator further includes liquid stream power generator.Liquid stream power generator is installed 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 produces is stored in storage battery, so as to provide the power supply of stabilization for the work of electronic blanking plug and flowmeter, avoids the problem of electric-control system stability produced 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 downhole intelligent injection well downhole flow regulator.
Background technology
Water filling refers to, to improve oil recovery rate and achieving the purpose that stable and high yields, by ground by water injection well, to 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, its 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 with hydrophone, by the injection flow of computer monitoring injection well downhole flow regulator, by grasping real-time injection flow data
Carrying out in the electronic blanking plug to underground water nozzle and carry out feedback regulation, being realized pair by adjusting the aperture of water nozzle to suitable value
The accurate adjustment of injection rate.But there are obvious shortcoming 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 is in injection well downhole flow regulator goes into the well operation process, and the pole after injection well downhole flow regulator installation
Yi Yin is intake and short-circuit, or is damaged because colliding with.The problem of so as to cause the stability of electric-control system poor.
Utility model content
The utility model provides a kind of downhole intelligent injection well downhole flow regulator, to solve the problems mentioned in the above background technology.
The technical problem that the utility model is solved 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 supporting with it are installed in the enclosure space surrounded by injection well downhole flow regulator shell and central tube, institute
The downhole intelligent injection well downhole flow regulator stated further includes liquid stream power generator, the injection well downhole flow regulator shell include from top to bottom by screw thread successively
Top connection, upper shell, fixing body and the lower shell of connection, the central tube share two, are referred to as upper center tube with
Central tube, is plugged with upper center tube between top connection and fixing body, the opposite side of fixing body is provided with lower center tube, the electricity
Dynamic blanking plug and the circuit module supporting with it are installed in the enclosure space surrounded by injection well downhole flow regulator shell and lower center tube；
The feed pathway for making liquid stream enter liquid stream power generator place space, the peace are provided with the top connection
Dress is provided with 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 installed between upper shell and upper center tube, and liquid stream power generator is vortex power generation dress
Put, its 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, the upper end of rotary sleeve is spacing by the clamp spring being stuck on upper center tube, and the lower end of rotary sleeve passes through upper center
Shoulder on pipe is spacing, and generator is provided with below rotary sleeve, is provided with gear in the rotation axis of generator, under rotary sleeve
The fluted disc engaged with the gear is machined with the outside of end；
Storage battery is additionally provided with enclosure space where the electronic blanking plug, storage battery passes through conducting wire and generator
It is connected, so that the electric energy of generation is stored in storage battery, storage battery is powered for electronic blanking plug and supporting circuit module；
Cable-through hole is provided with the fixing body, the conducting wire for connecting storage battery 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 rotary sleeve is made of sliding bearing.
The structure of the seal assembly includes housing screw, ball and seal receptacle, housing screw, ball and sealing
The center of seat is both provided with for the through hole through conducting wire, and housing screw is threadedly attached on seal receptacle and by rubber ball sealing
In seal receptacle, seal receptacle is threadedly attached on fixing body.
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 produces is stored in storage battery, so as to provide the power supply of stabilization for the work of electronic blanking plug and flowmeter, is kept away
The problem of poor by the electric-control system stability of surface power supply generation in the prior art is exempted from.
Brief 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- storage batteries, 11- liquid outlet channels, 12- upper center tubes, 13- feed liquors
Passage, 14- housing screws, 15- balls, 16- seal receptacles, 17- impellers, 18- stators, 19- rotary sleeves, 20- generators, 21-
Gear, 22- blades, 23- clamp springs.
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
Pipe, electronic blanking plug 6 and the circuit module 9 supporting with it are installed on the enclosure space surrounded by injection well downhole flow regulator shell and central tube
It is interior.It is above common structure of the prior art, details are not described herein.
The main innovative point of the utility model is：The downhole intelligent 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
Supporting circuit module 9 is installed in the enclosure space surrounded by injection well downhole flow regulator shell and lower center tube 8.
The feed pathway 13 for making liquid stream enter 2 place space of liquid stream power generator is provided with 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
Part liquid stream enters the annular space at the place of liquid stream power generator 2, the liquid driven liquid stream power generation dress of flowing from feed pathway 13
The impeller 17 put in 2 is rotated together with together with rotary sleeve 19, then drives the gear 21 on generator 20 to rotate, and realizes power generation, hair
The electric energy that motor 20 produces is stored in storage battery 10, so as to provide the electricity of stabilization for the work of electronic blanking plug 6 and flowmeter
Source, avoids in the prior art because poor and the electric-control system stability produced by surface power supply the problem of.
In the utility model, the liquid stream power generator 2 is installed between upper shell 3 and upper center tube 12, so that
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 take the diameter of 10mm, upper center tube
12 at least need to take 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 novel turbine type power generation dress of structure
Put, 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 is arranged in pairs with impeller 17, blade 22 is both provided with 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 17 exists
Rotated under the impact of liquid stream, so that producing makes 19 rotating power of rotary sleeve., can be by jackscrew fixed stator 18 during assembling, can
Impeller 17 is fixedly mounted on rotary sleeve 19 by way of transition cooperation or key connection.
The upper end of rotary sleeve 19 is spacing by the clamp spring 23 being stuck on upper center tube 12, and the lower end of rotary sleeve 19 is by upper
Shoulder on heart pipe 12 is spacing, 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 installed on the lower section of rotary sleeve 19, and gear 21, rotary sleeve 19 are provided with 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
Storage battery 10 is additionally provided with, storage battery 10 is connected by conducting wire with generator 20, so that the electric energy of generation is stored in storage battery
In 10, storage battery 10 is powered for electronic blanking plug 6 and supporting 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 with the fixing body 4, the conducting wire for connecting storage battery 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., 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 the closing that liquid stream enters the electronic place of blanking plug 6 along cable-through hole is empty
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 is threadedly attached in sealing for the through hole through conducting wire, housing screw 14
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
After the center of seal assembly 5 passes through, housing screw 14 is tightened, so that 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 for realization ground and underground communica tion is provided with 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 (2)
1. a kind of downhole intelligent injection well downhole flow regulator, including injection well downhole flow regulator shell, flowmeter and electronic blanking plug (6), the center of injection well downhole flow regulator are set
Central tube is equipped with, electronic blanking plug (6) and the circuit module supporting with it (9) are installed on to be enclosed by injection well downhole flow regulator shell and central tube
Into enclosure space in, it is characterised in that：The downhole intelligent injection well downhole flow regulator further includes liquid stream power generator (2), and described matches somebody with somebody
Hydrophone shell includes from top to bottom passing through the sequentially connected top connection of screw thread (1), upper shell (3), fixing body (4) and 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) upper center tube (12) is plugged between, the opposite side of fixing body (4) is provided with lower center tube (8), the electronic blanking plug
(6) and the circuit module supporting with it (9) is installed in the enclosure space surrounded by injection well downhole flow regulator shell and lower center tube (8)；
The feed pathway (13) for making liquid stream enter liquid stream power generator (2) place space, institute are provided with the top connection (1)
It is provided with 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 installed between upper shell (3) and upper center tube (12), and liquid stream power generator (2) is
Be vortexed power generator, its structure includes stator (18) and rotor, and rotor includes impeller (17) and rotary sleeve (19), stator (18) and
Impeller (17) is arranged in pairs, and blade (22) is both provided with 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, the upper end of rotary sleeve (19) is spacing by the clamp spring (23) being stuck on upper center tube (12), and the lower end of rotary sleeve (19) passes through
Shoulder on upper center tube (12) is spacing, and generator (20), the rotation axis of generator (20) are provided with below rotary sleeve (19)
On gear (21) is installed, the fluted disc engaged with the gear (21) is machined with the outside of the lower end of rotary sleeve (19)；
Storage battery (10) is additionally provided with enclosure space where the electronic blanking plug (6), storage battery (10) passes through conducting wire
It is connected with generator (20), so that the electric energy of generation is stored in storage battery (10), storage battery (10) is electronic blanking plug (6)
And supporting circuit module (9) power supply；
It is provided with cable-through hole on the fixing body (4), the conducting wire of connection storage battery (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)；
The rotary sleeve (19) is made of sliding bearing.
A kind of 2. downhole intelligent injection well downhole flow regulator according to claim 1, it is characterised in that：The knot of the seal assembly (5)
Structure includes housing screw (14), ball (15) and seal receptacle (16), housing screw (14), ball (15) and seal receptacle (16)
Center be both provided with for the through hole through conducting wire, housing screw (14) is threadedly attached on seal receptacle (16) and by rubber
Glueballs (15) is encapsulated in seal receptacle (16), and seal receptacle (16) is threadedly attached on fixing body (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820071077.1U CN207332852U (en) | 2018-01-17 | 2018-01-17 | Downhole intelligent injection well downhole flow regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820071077.1U CN207332852U (en) | 2018-01-17 | 2018-01-17 | Downhole intelligent injection well downhole flow regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207332852U true CN207332852U (en) | 2018-05-08 |
Family
ID=62427855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820071077.1U Active CN207332852U (en) | 2018-01-17 | 2018-01-17 | Downhole intelligent injection well downhole flow regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207332852U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005623A (en) * | 2018-01-17 | 2018-05-08 | 大庆市天德忠石油科技有限公司 | Downhole intelligent injection well downhole flow regulator |
| 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 |
| CN111005834A (en) * | 2019-12-11 | 2020-04-14 | 东北石油大学 | Downhole turbine piezoelectric hybrid power generation device |
-
2018
- 2018-01-17 CN CN201820071077.1U patent/CN207332852U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005623A (en) * | 2018-01-17 | 2018-05-08 | 大庆市天德忠石油科技有限公司 | Downhole intelligent injection well downhole flow regulator |
| 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 |
| CN108005623B (en) * | 2018-01-17 | 2018-08-24 | 大庆市天德忠石油科技有限公司 | Downhole intelligent injection well downhole flow regulator |
| CN111005834A (en) * | 2019-12-11 | 2020-04-14 | 东北石油大学 | Downhole turbine piezoelectric hybrid power generation device |
| CN111005834B (en) * | 2019-12-11 | 2020-08-21 | 东北石油大学 | Downhole turbine piezoelectric hybrid power generation device |
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