CN106032745A - A digital separated layer water injection ground control system and method - Google Patents
A digital separated layer water injection ground control system and method Download PDFInfo
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- CN106032745A CN106032745A CN201510102891.6A CN201510102891A CN106032745A CN 106032745 A CN106032745 A CN 106032745A CN 201510102891 A CN201510102891 A CN 201510102891A CN 106032745 A CN106032745 A CN 106032745A
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Abstract
The invention provides a digital separated layer water injection ground control system and method. The system comprises an underground communication nipple, an underground intelligent water distributor, a ground controller and an upper computer. The underground communication nipple is connected with the ground controller and the underground intelligent water distributor and used for acquiring measurement data of different underground layers collected by the underground intelligent water distributor; the ground controller is connected with the upper computer and the underground communication nipple and used for acquiring the measurement data via the underground communication nipple and performing conversion processing on the measurement data to obtain first digital signals that the upper computer can identify; the upper computer generates a control command according to the first digital signals and sends the control command to the ground controller; the ground controller performs conversion processing on the control command and generates second digital signals that the underground intelligent water distributor can identify and sends the second digital signals to the underground communication nipple; the underground intelligent water distributor adjusts water distribution quantities according to the second digital signals obtained from the underground communication nipple.
Description
Technical field
The present invention relates to oil-field flooding technical field, particularly relate to a kind of digital seperated layer water injection ground and control
System and method for.
Background technology
Water filling be to maintain formation pressure, realize oil field stable high yield and improve Development Response of Oilfield have efficacious prescriptions
Method.For meeting the technology needs of oil field different development phases, it is achieved the most effectively water filling, water distribution technique is
Seperated layer water injection is developed into from commingled water injection.Matched test blending technology have also been obtained certain development.
The existing test blending technology supporting with seperated layer water injection mainly uses bridge type eccentric injection mandrel and bridge-type same
Heart injection well downhole flow regulator separate layer water injection string, it by bridge type eccentric injection mandrel or bridge-type concentric roater regulator, packer,
Prefabricated seating nipple and ball-and-seat etc. form.Concrete, bridge-type eccentric dispensing is fixed water nozzle and is mounted on bridge
On blanking plug in formula eccentric injection mandrel seating nipple side opening, can by any blanking plug of wire Launching and Bailing thus
Carrying out water nozzle adjustment, cable can also be used to survey tune continuously simultaneously, current are in bridge type eccentric injection mandrel
Blanking plug and the inclined hole of seating nipple flow into oil casing annular space finally inject oil reservoir, can be by changing it
In fixing water nozzle or regulation water nozzle aperture to regulate and control water injection rate.Bridge-type concentric separated-injection is fixed water nozzle and is arranged on
Being positioned in bridge type eccentric injection mandrel seating nipple central passage, use cable to survey tune continuously, current are through water distribution
Fix in device water nozzle flow into oil casing annular space finally inject oil reservoir, can by regulation water nozzle aperture with
Regulation and control water injection rate.
In recent years, the deep-well of input exploitation, directional well, depositing well get more and more, and conventional is supporting
Test blending technology need pulling repeatedly to change fixing water nozzle therein or regulation water nozzle aperture to note with regulation and control
The water yield, not only workload is big, and is affected by stratum water absorbing capacity and water filling operating mode etc., and seperated layer water injection is closed
Lattice rate declines fast, cannot meet wanting of the seperated layer water injection under deep-well, directional well, depositing well environment
Ask.
Summary of the invention
The present invention provides a kind of digital seperated layer water injection ground control system and method, effectively to reduce work
Measuring, it is achieved ground controls in real time and monitors, the terrestrial operation that can realize once going into the well has controlled all notes
Water layer section test allotment task, improves test allotment efficiency and success rate.
The present invention provides a kind of digital seperated layer water injection ground control system, including: underground communica tion pipe nipple,
Downhole intelligent injection well downhole flow regulator, ground controller and host computer；Wherein,
Described underground communica tion pipe nipple, is connected with described ground controller and described downhole intelligent injection well downhole flow regulator respectively,
For obtaining the measurement data of the different layers position, down-hole that described downhole intelligent injection well downhole flow regulator gathers；
Described ground controller, is connected with described host computer and described underground communica tion pipe nipple respectively, is used for leading to
Cross described underground communica tion pipe nipple and obtain described measurement data, and described measurement data is carried out conversion process,
To obtain the first digital signal of corresponding with described measurement data and described upper function identification；
Described host computer, is used for according to described first digital signal, generates corresponding control command, and will
Described control command is sent to described ground controller；
Described ground controller, is additionally operable to carry out described control command conversion process, generates and described control
System order correspondence, and the second digital signal that described downhole intelligent injection well downhole flow regulator is capable of identify that, and by described
Second digital signal is sent to described underground communica tion pipe nipple；
Described downhole intelligent injection well downhole flow regulator, for according to described second number obtained from described underground communica tion pipe nipple
Word signal, regulates water distribution quantity.
The present invention provides a kind of digital seperated layer water injection ground controlled approach, and described method is by digital layering
Water filling ground control system performs, and described method includes:
Trigger the measurement data of different layers position under downhole intelligent injection well downhole flow regulator production wells；
Obtain from ground controller and described measurement data is carried out the first numeral letter that conversion process is generated
Number；
According to described first digital signal, generate corresponding control command, and described control command is sent
To described ground controller, for described ground controller, described control command is carried out conversion process, raw
Become corresponding with described control instruction, and the second digital signal that described downhole intelligent injection well downhole flow regulator is capable of identify that,
And described second digital signal is sent to downhole intelligent injection well downhole flow regulator by described underground communica tion pipe nipple, so that
Described downhole intelligent injection well downhole flow regulator, according to described second digital signal, regulates water distribution quantity.
As shown from the above technical solution, the digital seperated layer water injection ground control system of the present invention, including:
Underground communica tion pipe nipple, downhole intelligent injection well downhole flow regulator, ground controller and host computer；Wherein, underground communica tion is short
Joint, is connected with ground controller and downhole intelligent injection well downhole flow regulator respectively, is used for obtaining downhole intelligent injection well downhole flow regulator and adopts
The measurement data of the different layers position, down-hole of collection；Ground controller, respectively with host computer and underground communica tion pipe nipple
Connect, for obtaining measurement data by underground communica tion pipe nipple, and measurement data carried out conversion process,
To obtain the first digital signal of corresponding with measurement data and upper function identification；Host computer, according to
First digital signal, generates corresponding control command, and control command is sent to ground controller；Ground
Face controller, is additionally operable to carry out control command conversion process, generates corresponding with control command, and well
The second digital signal that lower intelligent watering device is capable of identify that, and the second digital signal is sent to underground communica tion
Pipe nipple；Downhole intelligent injection well downhole flow regulator, for according to the second digital signal obtained from underground communica tion pipe nipple, adjusts
Joint water distribution quantity.Controlling in real time it is thus possible to realize ground and monitor, easy to operate, performance is simple, and
Effectively reducing workload, the terrestrial operation that also can realize once going into the well has controlled all water filling intervals and has surveyed
Examination allotment task, substantially increases test allotment efficiency and success rate.
Accompanying drawing explanation
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with this
Accompanying drawing in bright embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention,
Obviously, described embodiment is a part of embodiment of the present invention rather than whole embodiments.Based on
Embodiment in the invention of this reality, those of ordinary skill in the art are institute under not making creative work premise
The every other embodiment obtained, broadly falls into the scope of protection of the invention.
Fig. 1 is the digital seperated layer water injection ground control system schematic diagram of first embodiment of the invention；
Fig. 2 is the digital seperated layer water injection ground control system schematic diagram of second embodiment of the invention；
Fig. 3 is the digital seperated layer water injection ground control system schematic diagram of third embodiment of the invention；
Fig. 4 is the digital seperated layer water injection ground control system flow chart of fourth embodiment of the invention；
Fig. 5 is the structural representation of the processing module of fourth embodiment of the invention；
Fig. 6 is the digital seperated layer water injection ground controlled approach flow chart of fifth embodiment of the invention.
Description of reference numerals:
11: underground communica tion pipe nipple；12: downhole intelligent injection well downhole flow regulator；
13: ground controller；14: host computer；
131:ST coding/decoding module；132: amplify filtration module；
141: locating module；142: wake module；
15: the first power modules；121: second source module；
122: processing module；123: Anneta module；
1221: temperature monitoring unit；1222: flow monitoring unit；
1223: pressure monitoring unit；16: mains electricity；
17: the alternating current of vehicle mounted electric mean longitude inverter conversion.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present invention, and
It is not all, of embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under creative work premise, broadly fall into the scope of protection of the invention.
Fig. 1 is the digital seperated layer water injection ground control system schematic diagram of first embodiment of the invention, such as figure
Shown in 1, this digital seperated layer water injection ground control system includes: underground communica tion pipe nipple 11, downhole intelligent
Injection well downhole flow regulator 12, ground controller 13 and host computer 14.
In the present embodiment, underground communica tion pipe nipple 11 respectively with ground controller 13 and downhole intelligent water distribution
Device 12 connects, for obtaining the measurement data of the different layers position, down-hole that downhole intelligent injection well downhole flow regulator 12 gathers；
Ground controller 13, is connected with host computer 14 and underground communica tion pipe nipple 11 respectively, for being led to by down-hole
Letter pipe nipple 11 obtains measurement data, and measurement data is carried out conversion process, to obtain and measurement data pair
The first digital signal that answer and host computer 14 can identify；Host computer 14, for according to the first numeral
Signal, generates corresponding control command, and control command is sent to ground controller 13；Ground controls
Device 13, is additionally operable to carry out control command conversion process, generates corresponding with control command, and down-hole intelligence
The second digital signal that energy injection well downhole flow regulator 12 is capable of identify that, and it is short that the second digital signal is sent to underground communica tion
Joint 11；Downhole intelligent injection well downhole flow regulator 12, for according to the second numeral letter obtained from underground communica tion pipe nipple 11
Number, regulate water distribution quantity.
In the present embodiment, alternatively, underground communica tion pipe nipple 11 can lead to downhole intelligent injection well downhole flow regulator 12
Crossing electromagnetic wave radio communication, ground controller 13 can be connected by USB communication interface with host computer 14.
In the present embodiment, alternatively, host computer 14 can be computer, and it is provided with LabView
Software, concrete, host computer 14, according to the first digital signal, utilizes LabView Software Create corresponding
Control command.Host computer utilizes Software Create control command effectively to reduce labor intensity, and improves work effect
Rate, better ensures that what oil well delamination water filling worked is smoothed out, and this software can survey tune process
In the data such as pressure, temperature and flow carry out direct-reading and monitoring, and printing speed when needed, in order to
Achieve.
Further, monitoring result can also be shown on its screen by host computer 14, concrete, permissible
Being divided into full screen display and split screen display available, wherein, split screen display available is shown that the curve of data in a period of time,
Full screen display is then shown that the curve of all data, and, full screen display can be controlled
Operation, has automatically and manually two ways, specifically, when automatically controlling, it is only necessary to inputting certain layer of position needs
Water injection rate to be allocated, this water injection rate is to be calculated automatically from by the algorithm preset in host computer 14；Hands
During dynamic control, need artificial transmission on the LabView software of host computer 14 that flow is increased or decreased
Control command, thus it is adjusted the injection rate reaching to need.
In the present embodiment, alternatively, the quantity of downhole intelligent injection well downhole flow regulator 12 is multiple, therein each
Downhole intelligent injection well downhole flow regulator has different addresses.
Digital seperated layer water injection ground control system in the present embodiment, downhole intelligent injection well downhole flow regulator production wells
The measurement data of lower different layers position, and by data transfer to ground controller；Ground controller is to obtaining
The measurement data conversion process taken, generates the first number of corresponding with measurement data and upper function identification
Word signal, and by this first digital data transmission to host computer；Host computer generates according to the first digital signal
Control command, and this control command is transmitted to ground controller；Control command is carried out by ground controller
Conversion process, generates corresponding with control command and that downhole intelligent injection well downhole flow regulator is capable of identify that the second numeral
Signal, and send it to underground communica tion pipe nipple, by underground communica tion pipe nipple by the second digital data transmission extremely
Downhole intelligent injection well downhole flow regulator, finally, downhole intelligent injection well downhole flow regulator is according to the second digital signal obtained, and regulation is joined
The water yield.Owing to host computer can automatically control downhole intelligent injection well downhole flow regulator, it is achieved down-hole each layer bit traffic from
Dynamic allotment, controls in real time such that it is able to realize ground and monitors, easy to operate, and performance is simple, and has
Effect ground decreases workload, and the terrestrial operation that also can realize once going into the well has controlled all water filling intervals and tested
Allotment task, substantially increases test allotment efficiency and success rate.
Fig. 2 is the digital seperated layer water injection ground control system schematic diagram of second embodiment of the invention, at this
On the basis of the technical scheme of invention first embodiment, as in figure 2 it is shown, ground controller 13 also includes:
ST coding/decoding module 131 and amplification filtration module 132.
Wherein, ST coding/decoding module 131, it is connected with underground communica tion pipe nipple 11 and host computer 14 respectively,
For measurement data being decoded process and the first digital signal being sent to host computer 14；And/or to control
Order processed is decoded processing, and the second digital signal is sent to underground communica tion pipe nipple 11；Amplify filtering mould
Block 132, is connected with ST coding/decoding module 131, for described measurement data or to described second numeral
Signal is amplified filtering.
Specifically, ST coding/decoding module 131 uses ST code.
In the present embodiment, arranging amplification filtration module 132 is to weaken due to measurement data and second
The decay that digital signal occurs in transmitting procedure.
Fig. 3 is the digital seperated layer water injection ground control system schematic diagram of third embodiment of the invention, at this
On the basis of the technical scheme of invention above-described embodiment, as it is shown on figure 3, host computer 14, including location mould
Block 141 and wake module 142.
Wherein, locating module 141, it is connected with ground controller 13, for downhole intelligent injection well downhole flow regulator
12 position, to obtain the positional information of downhole intelligent injection well downhole flow regulator 12；Wake module 142, with ground
Controller 13 is connected, and is used for triggering downhole intelligent injection well downhole flow regulator 12 and starts, to realize downhole intelligent water distribution
The measurement data of different layers position under device 12 production wells.Digital seperated layer water injection ground in the present embodiment controls
System, by arranging locating module and wake module, it is achieved that host computer and underground communica tion in host computer
Being in communication with each other between pipe nipple, completes the startup operation of this system.
It addition, the operation principle of this digital seperated layer water injection ground control system is: when digital layering note
When water ground control system is not actuated, first passes through locating module 141 and downhole intelligent injection well downhole flow regulator 12 positioned,
To obtain the positional information of the downhole intelligent injection well downhole flow regulator 12 needing commissioning, and simultaneously by wake module 142
Trigger the measurement data of different layers position under downhole intelligent injection well downhole flow regulator 12 production wells so that downhole intelligent injection well downhole flow regulator
12 communicate with underground communica tion pipe nipple 11 foundation, are in communications status, now, and digital seperated layer water injection ground
Face control system starts formally to start, and underground communica tion pipe nipple obtains the down-hole that downhole intelligent injection well downhole flow regulator 12 gathers
After the measurement data of different layers position, transmitting it to ground controller 13, ground controller 13 is to measurement
Data carry out conversion process, obtain corresponding with measurement data and that host computer 14 can identify the first numeral
Signal；Host computer 14 generates corresponding control command according to the first digital signal, and control command is returned
To ground controller 13；Ground controller 13 carries out conversion process to control command, generates control command
Corresponding, and the second digital signal that downhole intelligent injection well downhole flow regulator 12 is capable of identify that, and by the second digital signal
It is sent to underground communica tion pipe nipple 11, underground communica tion pipe nipple the second digital signal is sent to downhole intelligent and joins
Hydrophone 12, downhole intelligent injection well downhole flow regulator 12 is according to the second digital signal regulation water distribution quantity, thus realizes upper
The machine 14 control to downhole intelligent injection well downhole flow regulator 12.
Further, in the present embodiment, this system also includes: for by underground communica tion pipe nipple 11 and ground
The cable that face controller 13 is connected.
It addition, in the present embodiment, this system also includes: the first power module 15, hands over civil power respectively
Stream electricity 16 or the alternating current 17 of vehicle mounted electric mean longitude inverter conversion, and ground controller 13 and down-hole
Communication pipe nipple 11 is connected, and for alternating current is converted to unidirectional current, and is ground controller 13 and well
Lower communication pipe nipple 11 is powered, concrete, for the ST coding/decoding module 131 in ground controller 13 with put
Big filtration module 132 and underground communica tion pipe nipple 11 are powered.
In the present embodiment, the ST coding/decoding module 131 in ground controller 13 and amplification filtration module
132 running voltages needed from underground communica tion pipe nipple 11 are different, accordingly, it would be desirable to the first power module
The alternating currents of 15 pairs of mains electricity or the conversion of vehicle mounted electric mean longitude inverter carry out Power convert, specifically,
First power module 15, first by AC transformer, re-uses rectifier bridge and alternating current is changed into unidirectional current,
Re-use chip and unidirectional current is changed into stable output, protect the ground controller in this system and down-hole leads to
In letter pipe nipple, the safety of circuit, extends ground controller and the service life of underground communica tion pipe nipple.
Fig. 4 is the digital seperated layer water injection ground control system schematic diagram of fourth embodiment of the invention, at this
On the basis of the technical scheme of invention above-described embodiment, as shown in Figure 4, downhole intelligent injection well downhole flow regulator 12 includes:
Second source module 121, processing module 122 and Anneta module 123.
Wherein, second source module 121, it is connected with downhole intelligent injection well downhole flow regulator 12, is used for as down-hole intelligence
Can power by injection well downhole flow regulator 12；Processing module 122, for gathering the measurement data obtaining different layers position, down-hole；
Anneta module 123, is connected with processing module 122 and underground communica tion pipe nipple 11 respectively, is used for sending survey
Amount data are to underground communica tion pipe nipple 11；Anneta module 123, is additionally operable to receive underground communica tion pipe nipple 11 and sends
The second digital signal, and the second digital signal is sent to processing module 122；Processing module 122, root
According to the second digital signal, regulate water distribution quantity.
In the present embodiment, alternatively, Fig. 5 is that the structure of processing module of fourth embodiment of the invention is shown
It is intended to, as it is shown in figure 5, processing module 122, including: one or more unit as follows: temperature monitoring
Unit 1221, flow monitoring unit 1222 and pressure monitoring unit 1223；Wherein, temperature monitoring unit
1221, for gathering the temperature obtaining different layers position, down-hole；Flow monitoring unit 1222, obtains for collection
Take the flow of different layers position, down-hole；Pressure monitoring unit 1223, obtains different layers position, down-hole for gathering
Pressure；Then measurement data includes following one or more combination: temperature, flow and pressure.
In the present embodiment, alternatively, temperature monitoring unit 1221 can be temperature sensor；Flow is supervised
Surveying unit 1222 can be electromagnetic flowmeter, and pressure monitoring unit 1223 can be pressure transducer.
In the present embodiment, exhaust when second source module 121 electricity or the moment of breaking down can lead to
Cross down water pulling and running tool and realize the pulling work of downhole intelligent injection well downhole flow regulator 12.
Fig. 6 is the digital seperated layer water injection ground controlled approach flow chart of fifth embodiment of the invention, such as figure
Shown in 6, digital seperated layer water injection ground controlled approach is performed by digital seperated layer water injection ground control system,
Wherein, including:
Step 601: trigger the measurement data of different layers position under downhole intelligent injection well downhole flow regulator production wells.
Step 602: obtain from ground controller and measurement data is carried out the first number that conversion process is generated
Word signal.
Step 603: according to the first digital signal, generates corresponding control command, and control command is sent out
Give ground controller, for ground controller, control command is carried out conversion process, generate and refer to control
Order correspondence, and the second digital signal that downhole intelligent injection well downhole flow regulator is capable of identify that, and by the second digital signal
It is sent to downhole intelligent injection well downhole flow regulator, so that downhole intelligent injection well downhole flow regulator is according to the second number by underground communica tion pipe nipple
Word signal, regulates water distribution quantity.
Wherein, this digital seperated layer water injection ground control system can be that above-mentioned Fig. 1-Fig. 5 is arbitrary shown
System, it realizes principle and beneficial effect is similar, and here is omitted.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, rather than right
It limits；Although the present invention being described in detail with reference to foregoing embodiments, this area common
Skilled artisans appreciate that the technical scheme described in foregoing embodiments still can be modified by it,
Or the most some or all of technical characteristic is carried out equivalent；And these amendments or replacement, and
The essence not making appropriate technical solution departs from the scope of various embodiments of the present invention technical scheme.
Claims (9)
1. a digital seperated layer water injection ground control system, it is characterised in that including: underground communica tion is short
Joint, downhole intelligent injection well downhole flow regulator, ground controller and host computer；Wherein,
Described underground communica tion pipe nipple, is connected with described ground controller and described downhole intelligent injection well downhole flow regulator respectively,
For obtaining the measurement data of the different layers position, down-hole that described downhole intelligent injection well downhole flow regulator gathers；
Described ground controller, is connected with described host computer and described underground communica tion pipe nipple respectively, is used for leading to
Cross described underground communica tion pipe nipple and obtain described measurement data, and described measurement data is carried out conversion process,
To obtain the first digital signal of corresponding with described measurement data and described upper function identification；
Described host computer, is used for according to described first digital signal, generates corresponding control command, and will
Described control command is sent to described ground controller；
Described ground controller, is additionally operable to carry out described control command conversion process, generates and described control
System order correspondence, and the second digital signal that described downhole intelligent injection well downhole flow regulator is capable of identify that, and by described
Second digital signal is sent to described underground communica tion pipe nipple；
Described downhole intelligent injection well downhole flow regulator, for according to described second number obtained from described underground communica tion pipe nipple
Word signal, regulates water distribution quantity.
System the most according to claim 1, it is characterised in that described ground controller includes:
ST coding/decoding module, is connected with described underground communica tion pipe nipple and described host computer, respectively for right
Described measurement data is decoded processing and described first digital signal being sent to described host computer；And/or
It is decoded described control command processing, and described second digital signal is sent to described underground communica tion
Pipe nipple；
Amplify filtration module, be connected with described ST coding/decoding module, for described measurement data or to institute
State the second digital signal and be amplified filtering.
System the most according to claim 1, it is characterised in that described host computer includes:
Locating module, is connected with described ground controller, fixed for carrying out described downhole intelligent injection well downhole flow regulator
Position, to obtain the positional information of described downhole intelligent injection well downhole flow regulator；
Wake module, is connected with described ground controller, is used for triggering described downhole intelligent injection well downhole flow regulator and starts,
To realize the measurement data of different layers position under described downhole intelligent injection well downhole flow regulator production wells.
System the most according to claim 1, it is characterised in that also include: for by described down-hole
The cable that communication pipe nipple is connected with described ground controller.
System the most according to claim 1, it is characterised in that also include: the first power module,
Respectively with mains electricity or the alternating current of vehicle mounted electric mean longitude inverter conversion, and described ground controls
Device is connected with described underground communica tion pipe nipple, for described alternating current is converted to unidirectional current, and is described
Ground controller and described underground communica tion pipe nipple are powered.
System the most according to claim 1, it is characterised in that described downhole intelligent injection well downhole flow regulator includes:
Second source module, is connected with described downhole intelligent injection well downhole flow regulator, for joining for described downhole intelligent
Hydrophone is powered；
Processing module, for gathering the measurement data obtaining different layers position, down-hole；
Anneta module, is connected with described processing module and described underground communica tion pipe nipple respectively, is used for sending
Described measurement data gives described underground communica tion pipe nipple；
Described Anneta module, is additionally operable to receive the second digital signal that described underground communica tion pipe nipple sends, and
Described second digital signal is sent to described processing module；
Described processing module, according to described second digital signal, regulates water distribution quantity.
System the most according to claim 6, it is characterised in that described processing module includes: as follows
One or more unit: temperature monitoring unit, flow monitoring unit and pressure monitoring unit；
Wherein, temperature monitoring unit, for gathering the temperature obtaining different layers position, down-hole；
Flow monitoring unit, for gathering the flow obtaining different layers position, down-hole；
Pressure monitoring unit, for gathering the pressure obtaining different layers position, down-hole；
The most described measurement data includes following one or more combination: temperature, flow and pressure.
System the most according to claim 7, it is characterised in that described flow monitoring unit is electromagnetism
Effusion meter.
9. a digital seperated layer water injection ground controlled approach, it is characterised in that described method is by above-mentioned power
Profit requires that 1 to 8 arbitrary described digital seperated layer water injection ground control system performs, and described method includes:
Trigger the measurement data of different layers position under downhole intelligent injection well downhole flow regulator production wells；
Obtain from ground controller and described measurement data is carried out the first numeral letter that conversion process is generated
Number；
According to described first digital signal, generate corresponding control command, and described control command is sent
To described ground controller, for described ground controller, described control command is carried out conversion process, raw
Become corresponding with described control instruction, and the second digital signal that described downhole intelligent injection well downhole flow regulator is capable of identify that,
And described second digital signal is sent to described downhole intelligent injection well downhole flow regulator by described underground communica tion pipe nipple,
So that described downhole intelligent injection well downhole flow regulator is according to described second digital signal, regulate water distribution quantity.
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| CN106837272A (en) * | 2016-12-27 | 2017-06-13 | 中国石油天然气股份有限公司 | Water injection well water distribution measurement and adjustment device and water distribution measurement and adjustment method |
| CN108119087A (en) * | 2017-11-27 | 2018-06-05 | 中国石油天然气股份有限公司 | A kind of control head and method of automatically controlled completion system |
| CN108650308A (en) * | 2018-04-25 | 2018-10-12 | 四川中匠科技有限公司 | A kind of method of low-power consumption narrowband communication activation broadband communications under oil well |
| CN109372479A (en) * | 2017-11-07 | 2019-02-22 | 中国石油化工股份有限公司 | Water injection well wireless test and control separate injection tubing string |
| CN110593827A (en) * | 2019-10-20 | 2019-12-20 | 中国石油化工股份有限公司 | Layered water injection method |
| CN111364954A (en) * | 2020-03-17 | 2020-07-03 | 深圳市佳运通电子有限公司 | Upper computer control system for oil well water injection and application method thereof |
| CN111441747A (en) * | 2020-02-05 | 2020-07-24 | 中国海洋石油集团有限公司 | Double-channel flow control system and method for offshore oilfield water injection well |
| CN112761600A (en) * | 2021-02-03 | 2021-05-07 | 沈阳航空航天大学 | Ground separate layer water injection well head intelligent control experiment system |
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| CN108650308A (en) * | 2018-04-25 | 2018-10-12 | 四川中匠科技有限公司 | A kind of method of low-power consumption narrowband communication activation broadband communications under oil well |
| CN110593827A (en) * | 2019-10-20 | 2019-12-20 | 中国石油化工股份有限公司 | Layered water injection method |
| CN111441747A (en) * | 2020-02-05 | 2020-07-24 | 中国海洋石油集团有限公司 | Double-channel flow control system and method for offshore oilfield water injection well |
| CN111441747B (en) * | 2020-02-05 | 2022-03-11 | 中国海洋石油集团有限公司 | Double-channel flow control system and method for offshore oilfield water injection well |
| CN111364954A (en) * | 2020-03-17 | 2020-07-03 | 深圳市佳运通电子有限公司 | Upper computer control system for oil well water injection and application method thereof |
| CN112761600A (en) * | 2021-02-03 | 2021-05-07 | 沈阳航空航天大学 | Ground separate layer water injection well head intelligent control experiment system |
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