CN209129590U - Water injection well ground control system for pressure wave communication - Google Patents
Water injection well ground control system for pressure wave communication Download PDFInfo
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- CN209129590U CN209129590U CN201821707417.1U CN201821707417U CN209129590U CN 209129590 U CN209129590 U CN 209129590U CN 201821707417 U CN201821707417 U CN 201821707417U CN 209129590 U CN209129590 U CN 209129590U
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Abstract
The utility model relates to a kind of water injection well ground control systems for pressure wave communication, including coming water conduit tube and water injection pipe, carry out water conduit tube and is connected with water branch pipe, water manual switch valve is equipped with by flange on water branch pipe, the upstream of water manual switch valve is equipped with upstream pressure transmitter, the downstream of water manual switch valve is equipped with intelligent water adjusting valve by flange, intelligent water adjusting valve is equipped with flow sensor, there is water filling manual switch valve in the downstream of intelligent water adjusting valve by flanged joint, the outlet for filling the water manual switch valve connects water injection pipe, downstream pressure transmitter is installed on pipeline between intelligent water transfer valve outlet and water filling manual switch valve inlet, upstream pressure transmitter, the signal wire of downstream pressure transmitter and intelligent water adjusting valve is connected with ground controller.Bypass drainpipe is connected on water injection pipe, the entrance of the bypass drainpipe is equipped with electronic relief valve.The bidirection press wave communication of ground installation and downhole instrument may be implemented in the control system.
Description
Technical field
The utility model relates to the separate water injection well of petroleum gas field more particularly to it is a kind of for pressure wave communication
Water injection well ground control system belongs to seperated layer water injection control technology field.
Background technique
After the investment exploitation of oil field, with the growth of mining time, formation pressure, which constantly declines, causes oil well output to subtract significantly
It is small, in addition can stop-spraying stop production, at this time in order to which the underground caused by making up after oil extraction goes out is in debt, keep and improve oil reservoir pressure
Power realizes oil field stable high yield, it is necessary to fill the water to oil reservoir.
Seperated layer water injection is to implement to fill the water by the packing of packer and the control of water nozzle, plays senior middle school's low permeability formation all
Water filling effect, to realize that adjustment oil field interlayer contradiction improves a technological measure of waterflood sweep efficiency.In different oil fields
Development phase, the difference of the difference of purpose layer number and property and the object of modification scenario and requirement exploited due to investment,
It must implement seperated layer water injection in conjunction with meticulous pool description, dynamic Feature Analysis, can be only achieved the purpose for improving development effectiveness.
Current hierarchical water filling mainly uses untethered intelligent watering device, the communication mode that ground installation and downhole hardware use
Mainly have: decentralization communication pipe nipple communication or uniaxial pressure wave communication, decentralization communication pipe nipple communication mode because its later period maintenance at
This is larger, gradually by pressure wave communication in place.And uniaxial pressure wave communication can only be from ground to underground send wave code instruction, well
Lower injection well downhole flow regulator receives command switch water nozzle or changes injection allocation, but uniaxial pressure wave communication can not obtain every layer of underground reality on ground
The data such as Shi Liuliang, strata pressure.
Utility model content
The purpose of this utility model is that overcoming problems of the prior art, provide a kind of for pressure wave communication
Water injection well ground control system, the bidirection press wave communication of ground installation and downhole instrument may be implemented.
In order to solve the above technical problems, a kind of water injection well ground for pressure wave communication of the utility model controls system
System, including comes water conduit tube and water injection pipe, it is described come water conduit tube be connected with water branch pipe, pass through flange installation on the water branch pipe
There is water manual switch valve, the upstream of the water manual switch valve is equipped with upstream pressure transmitter, and the water is opened manually
The downstream for closing valve is equipped with intelligent water adjusting valve by flange, and the intelligence water adjusting valve is equipped with flow sensor, the intelligence water transfer
There is water filling manual switch valve in the downstream of valve by flanged joint, and the outlet of the water filling manual switch valve connects the water injection pipe,
Downstream pressure transmitter, institute are installed on pipeline between the intelligence water transfer valve outlet and the water filling manual switch valve inlet
The signal wire for stating upstream pressure transmitter, downstream pressure transmitter and intelligent water adjusting valve is connected with ground controller.
Compared with the existing technology, the utility model achieves following the utility model has the advantages that opening water manual switch valve and water filling
After manual switch valve, water conduit tube is carried out on water flow edge and water branch pipe enters intelligent water adjusting valve, and note is entered after intelligent water transfer valve regulation
Water pipe, upstream pressure transmitter can detecte the pressure of intelligent water adjusting valve upstream and be transferred to ground controller, and downstream pressure becomes
It send device to can detecte the pressure in intelligent water adjusting valve downstream and is transferred to ground controller, ground controller sends control signal to adjust
The switch for saving intelligent regulating valve, to control injection flow.When intelligent water adjusting valve from it is fully closed switch to standard-sized sheet when, geostatic pressure with
Flow increases simultaneously, forms the height of pressure and flow coding；When intelligent water adjusting valve switches to fully closed from standard-sized sheet, geostatic pressure with
Flow reduces simultaneously, forms pressure and encodes with flow low, is thusly-formed pressure wave, downstream pressure wave is sent to underground water distribution
Device reaches the regulation to water injection rate.Downhole water flow regulator is by switch tap or changes water nozzle aperture formation pressure wave, pressure upstream
Wave acquires and is sent to ground controller by downstream pressure transmitter, and ground controller parses pressure upstream wave, so realizes
The bidirection press wave communication of ground installation and downhole instrument.
Power supply unit, ground control chip, data are equipped with as the improvement of the utility model, in the ground controller to adopt
Collect unit, signal processing unit and data remote interface, the signal receiving end of the data acquisition unit is respectively and before the valve
Pressure transmitter, downstream pressure transmitter are connected with the signal wire of intelligent water adjusting valve, the pressure flow of the data acquisition unit
Signal output end is connected with the pressure flow signal receiving end of the signal processing unit, and the signal processing unit is with described
Face controls the connection of chip both-way communication, and the ground control chip is connect with the data remote interface both-way communication, the number
It is wirelessly connected according to teletransmission interface and host computer, the control signal output of the signal processing unit and the intelligent water adjusting valve
Signal wire connection.Data acquisition unit receives the upstream pressure signal of upstream pressure transmitter transmission, downstream pressure transmitter
The flow signal that the downstream pressure signal of transmission and intelligent water adjusting valve are sent, and it is supplied to ground control chip, ground controls core
Piece issues control signal to intelligent water adjusting valve after operation and processing, through signal processing unit.It is also logical that ground controls chip
It crosses data remote interface and wireless device and the real time datas such as flow, pressure is sent to host computer, real-time display well head data reach
To the purpose of long-range monitoring commissioning.When coding, the data remote interface in ground controller works as finger to the instruction of host computer
When enabling to read downhole data, control signal is sent to adjust the switch of intelligent regulating valve, passes through the switch shape of intelligent regulating valve
At the high and low variation of pressure and flow, the signaling function of pressure wave communication is realized.After downhole water flow regulator receives ground signal,
Returning pressure wave code is parsed to ground, ground in face of close echo code.When receiving code, by the pressure for reading downstream pressure transmitter
Data on flows in data and reading intelligent regulating valve is high impulse when being higher than a certain threshold value, is low when being lower than a certain threshold value
The receipts code process of pressure wave communication is completed in pulse with this, is parsed to obtain well to received wave code according to rendezvous protocol content
Lower data complete the bi-directional communication function on ground and underground.
The signal processing unit also passes through communication interface and touch screen phase as a further improvement of the utility model,
Even.Touch screen can carry out the scene display of data.
Bypass drainpipe, the bypass draining are connected on the water injection pipe as a further improvement of the utility model,
The entrance of pipe be equipped with electronic relief valve, the signal processing unit be equipped with 24V output end, the 24V output end with it is described electronic
The power supply line of relief valve is connected.In underground, seepage of water is bad, when causing pressure that can not reduce, signal processing unit export 24V to
Electronic relief valve is opened it and carries out quick pressure releasing, the coding of low-pressure pulses is reached with this.
The downstream pressure transmitter is mounted on going out for the intelligent water adjusting valve as a further improvement of the utility model,
On mouth transverse tube, the back side of the ground controller is equipped with vertical supports, and clip, the clip are fixed in the vertical supports
It embraces in the outlet standpipe of the intelligent water adjusting valve.The peace on the spot of ground controller may be implemented by vertical supports and clip
Dress, and adjustable position.
Detailed description of the invention
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments, and attached drawing only provides ginseng
It examines and illustrates to use, it is non-to limit the utility model.
Fig. 1 is perspective view of the utility model for the water injection well ground control system of pressure wave communication.
Fig. 2 is the working principle diagram of ground controller.
In figure: 1. carry out water conduit tube；2. upstream pressure transmitter；3. water branch pipe；4. water manual switch valve；5. intelligence is adjusted
Water valve；6. downstream pressure transmitter；7. filling the water manual switch valve；8. water injection pipe；9. ground controller；9a. vertical supports；9b.
Clip；10. electronic relief valve；11. bypassing drainpipe.
Specific embodiment
As shown in Figure 1, the utility model is used for the water injection well ground control system of pressure wave communication, including carry out water conduit tube 1
With water injection pipe 8, carry out water conduit tube 1 and be connected with water branch pipe 3, water manual switch valve 4 is equipped with by flange on water branch pipe 3,
The upstream of water manual switch valve 4 is equipped with upstream pressure transmitter 2, and the downstream of water manual switch valve 4 is installed by flange
There is intelligent water adjusting valve 5, intelligent water adjusting valve 5 is equipped with flow sensor, and there is water filling hand in the downstream of intelligent water adjusting valve 5 by flanged joint
Dynamic switch valve 7, the outlet of water filling manual switch valve 7 connect water injection pipe 8, and the intelligent outlet of water adjusting valve 5 enters with water filling manual switch valve 7
Downstream pressure transmitter 6, upstream pressure transmitter 2, downstream pressure transmitter 6 and intelligent water transfer are installed on the pipeline between mouthful
The signal wire of valve 5 is connected with ground controller 9.
Downstream pressure transmitter 6 is mounted on the outlet transverse tube of intelligent water adjusting valve 5, and the back side of ground controller 9 is equipped with
Clip 9b is fixed on vertical supports 9a, vertical supports 9a, clip 9b is embraced in the outlet standpipe of intelligent water adjusting valve 5.By perpendicular
The installation on the spot of ground controller 9, and adjustable position may be implemented to bracket 9a and clip 9b.
After opening water manual switch valve 4 and water filling manual switch valve 7, water conduit tube 1 is carried out on water flow edge and water branch pipe 3 enters
Intelligent water adjusting valve 5 enters water injection pipe 8 after the adjusting of intelligent water adjusting valve 5, and upstream pressure transmitter 2 can detecte intelligent water adjusting valve 5
The pressure of upstream is simultaneously transferred to ground controller 9, and downstream pressure transmitter 6 can detecte the pressure in intelligent 5 downstream of water adjusting valve simultaneously
It is transferred to ground controller 9, ground controller 9 sends control signal to adjust the switch of intelligent regulating valve, and intelligent water adjusting valve 5 has
There is the function of detection flows, flow can be read in real time, while there is valve opening adjustment effect.
When intelligent water adjusting valve 5 from it is fully closed switch to standard-sized sheet when, geostatic pressure increases simultaneously with flow, forms pressure and flow
The height of coding；When intelligent water adjusting valve 5 switches to fully closed from standard-sized sheet, geostatic pressure reduces simultaneously with flow, forms pressure and stream
Amount encodes low, is thusly-formed pressure wave.Underground is issued in order by way of pressure wave according to preset agreement timing to match
Hydrophone reaches the regulation to water injection rate.
Downhole water flow regulator is by switch tap or changes water nozzle aperture formation pressure wave, and pressure upstream wave is become by downstream pressure
Send device 6 acquire and be sent to ground controller 9, ground controller 9 parses pressure upstream wave, so realize ground installation with
The bidirection press wave communication of downhole instrument.
As shown in Fig. 2, being equipped with power supply unit in ground controller 9, ground controls chip, at data acquisition unit, signal
Unit and data remote interface are managed, the signal receiving end of data acquisition unit becomes with upstream pressure transmitter 2, downstream pressure respectively
Device 6 and the signal wire of intelligent water adjusting valve 5 is sent to be connected, the pressure flow signal output end and signal processing unit of data acquisition unit
Pressure flow signal receiving end be connected, signal processing unit and ground control chip both-way communication are connect, ground control chip
It is connect with data remote interface both-way communication, data remote interface and host computer are wirelessly connected, the control letter of signal processing unit
Number output end is connect with the signal wire of intelligent water adjusting valve 5.
Data acquisition unit receives the upstream pressure signal of the transmission of upstream pressure transmitter 2, downstream pressure transmitter 6 is sent out
The flow signal that the downstream pressure signal and intelligent water adjusting valve 5 sent is sent, and it is supplied to ground control chip, ground controls chip
After operation and processing, control signal is issued to intelligent water adjusting valve 5 by signal processing unit.Ground control chip also passes through
The real time datas such as flow, pressure are sent to host computer by data remote interface and wireless device, and real-time display well head data reach
The purpose of long-range monitoring commissioning.
When coding, the data remote interface in ground controller 9 is to read underground when instructing to the instruction of host computer
When data, control signal is sent to adjust the switch of intelligent regulating valve, pressure and flow are formed by the switch of intelligent regulating valve
High and low variation, realize pressure wave communication signaling function.
After downhole water flow regulator receives ground signal, execute and returning pressure wave code be to ground, ground in face of close echo code into
Row parsing.When receiving code, by reading the pressure data of downstream pressure transmitter 6 and reading the data on flows on intelligent regulating valve,
It is high impulse when being higher than a certain threshold value, is low pulse when being lower than a certain threshold value, the receipts code process of pressure wave communication is completed with this,
Received wave code is parsed according to rendezvous protocol content to obtain downhole data, completes the two-way communication function on ground and underground
Energy.
Signal processing unit also passes through communication interface and is connected with touch screen, to carry out the scene display of data.
Bypass drainpipe 11 is connected on water injection pipe 8, the entrance of bypass drainpipe 11 is equipped with electronic relief valve 10, at signal
It manages unit and is equipped with 24V output end, 24V output end is connected with the power supply line of electronic relief valve 10.In underground, seepage of water is bad, causes
When pressure can not reduce, signal processing unit exports 24V to electronic relief valve 10, opens it and carries out quick pressure releasing, is reached with this
To the coding of low-pressure pulses.
The foregoing is merely the preferable possible embodiments of the utility model, patent that is non-therefore limiting to the utility model
Protection scope.In addition to the implementation, the utility model can also have other embodiments.It is all to use equivalent replacement or equivalent change
The technical solution to be formed is changed, is all fallen in the protection scope of the requires of the utility model.Technology of the utility model without description is special
Sign can realize that details are not described herein by or using the prior art.
Claims (5)
1. a kind of water injection well ground control system for pressure wave communication, including come water conduit tube and water injection pipe, the water is dry
Pipe is connected with water branch pipe, it is characterised in that: water manual switch valve is equipped with by flange on the water branch pipe, it is described next
The upstream of water manual switch valve is equipped with upstream pressure transmitter, and the downstream of the water manual switch valve is equipped with by flange
Intelligent water adjusting valve, the intelligence water adjusting valve are equipped with flow sensor, and there is note in the downstream of the intelligence water adjusting valve by flanged joint
Water manual switch valve, the outlet of the water filling manual switch valve connect the water injection pipe, the intelligence water transfer valve outlet with it is described
Downstream pressure transmitter is installed on pipeline between water filling manual switch valve inlet, is pressed after the upstream pressure transmitter, valve
The signal wire of power transmitter and intelligent water adjusting valve is connected with ground controller.
2. the water injection well ground control system according to claim 1 for pressure wave communication, it is characterised in that: describedly
Power supply unit, ground control chip, data acquisition unit, signal processing unit and data remote interface are equipped in the controller of face,
The signal receiving end of the data acquisition unit respectively with the upstream pressure transmitter, downstream pressure transmitter and intelligent water transfer
The signal wire of valve is connected, the pressure flow signal output end of the data acquisition unit and the pressure current of the signal processing unit
It measures signal receiving end to be connected, the signal processing unit is connect with ground control chip both-way communication, the ground control
Chip is connect with the data remote interface both-way communication, and the data remote interface and host computer are wirelessly connected, the signal
The control signal output of processing unit is connect with the signal wire of the intelligent water adjusting valve.
3. the water injection well ground control system according to claim 2 for pressure wave communication, it is characterised in that: the letter
Number processing unit also passes through communication interface and is connected with touch screen.
4. the water injection well ground control system according to claim 2 for pressure wave communication, it is characterised in that: the note
Bypass drainpipe is connected on water pipe, the entrance of the bypass drainpipe is equipped with electronic relief valve, and the signal processing unit is set
There is 24V output end, the 24V output end is connected with the power supply line of the electronic relief valve.
5. the water injection well ground control system according to any one of claim 1 to 4 for pressure wave communication, feature
Be: the downstream pressure transmitter is mounted on the outlet transverse tube of the intelligent water adjusting valve, the back side of the ground controller
Vertical supports are installed, clip is fixed in the vertical supports, the clip embraces the outlet standpipe in the intelligent water adjusting valve
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821707417.1U CN209129590U (en) | 2018-10-22 | 2018-10-22 | Water injection well ground control system for pressure wave communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821707417.1U CN209129590U (en) | 2018-10-22 | 2018-10-22 | Water injection well ground control system for pressure wave communication |
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| Publication Number | Publication Date |
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| CN209129590U true CN209129590U (en) | 2019-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821707417.1U Active CN209129590U (en) | 2018-10-22 | 2018-10-22 | Water injection well ground control system for pressure wave communication |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869123A (en) * | 2019-03-18 | 2019-06-11 | 中国石油化工股份有限公司 | Water injection well depositing system |
| CN110608026A (en) * | 2019-11-07 | 2019-12-24 | 中国石油天然气股份有限公司西南油气田分公司工程技术研究院 | Underground multistage fracturing intelligent sliding sleeve control system and method based on pressure wave communication |
-
2018
- 2018-10-22 CN CN201821707417.1U patent/CN209129590U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869123A (en) * | 2019-03-18 | 2019-06-11 | 中国石油化工股份有限公司 | Water injection well depositing system |
| CN109869123B (en) * | 2019-03-18 | 2023-09-22 | 中国石油化工股份有限公司 | Multi-layer separate injection system for water injection well |
| CN110608026A (en) * | 2019-11-07 | 2019-12-24 | 中国石油天然气股份有限公司西南油气田分公司工程技术研究院 | Underground multistage fracturing intelligent sliding sleeve control system and method based on pressure wave communication |
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