CN109931040A - A kind of dispensing well remote intelligent control system and method - Google Patents
A kind of dispensing well remote intelligent control system and method Download PDFInfo
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- CN109931040A CN109931040A CN201910130035.XA CN201910130035A CN109931040A CN 109931040 A CN109931040 A CN 109931040A CN 201910130035 A CN201910130035 A CN 201910130035A CN 109931040 A CN109931040 A CN 109931040A
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Abstract
The invention discloses a kind of dispensing well remote intelligent control system and methods, applicating fluid wave code technology of the present invention and downhole flow intelligence adjustment Theory, laminated distributor under well flow is realized to test, automatically adjust automatically, dynamic data is tested and is stored for a long time, ground and underground long distance wireless data are transmitted, it has pushed water injection string to be developed by single water-filling function towards integrated and integrated directions such as water filling, information collection, test allotments, has improved water filling qualification rate, accelerate water injection well intelligent management.
Description
Technical field
The invention belongs to the fine separate zone waterflooding technology fields in oil field, and in particular to a kind of dispensing well long-distance intelligent control system
System and method.
Background technique
It is the Triassic system long 1 to long 10 oil reservoirs that Ordos Basin, which develops main target layer position, be typical hypotonic, low pressure,
It is huge to improve recovery factor potential for low yield " three-lows " oil reservoir.The reservoir characteristics of low pressure and low permeability, which determine, to fill the water comprehensively addedly
Layer energy exploitation, but interlayer and in-layer heterogeneity are strong, water drive reserves development degree is low, conventional waterflooding development effectiveness is limited,
Fine separated layer water injection process research and application need to be carried out.Since 2013, Changqing oilfields closely surround the small water of extra-low-permeability reservoir
The Development characteristics of directional well are measured, Reservoir Description is carried out, key dispensing research of technique research has preliminarily formed mechanical well
Lower leaf water injection technology, the technology adjust each laminar flow amount using measurement and adjustment instrument device and downhole water flow regulator mechanical splice, layering, centainly
Field demand is met in degree.But the technology is there are manual work heavy workload, working procedure is more, produced on-site cost
The problems such as high, meanwhile, manual operation can only be carried out in well head, control downhole instrument adjusts zonal flow rate, can not monitor for a long time
Seperated layer water injection dynamic is influenced by factors such as pressure oscillation, the variations of reservoir water absorbing capacity, and dispensing qualification rate decline is very fast, Wu Faman
The fine water injection technology demand of foot.
Summary of the invention
The purpose of the present invention is to provide a kind of dispensing well remote intelligent control system and methods, existing at present to overcome
Stratified flow rate tune process is complicated, success rate is low, is influenced by injection water quality and pit shaft situation, and well test heavy workload is dispensed,
Site operation is at high cost, needs well head execute-in-place, and long term monitoring can not be unable to satisfy the fine water injection technology need in oil field in real time
It asks, the problems such as field management heavy workload, the present invention improves water filling qualification rate, accelerates water injection well intelligent management, leads
Fine seperated layer water injection developing direction is tamped and produces technical support on oilfield stable production.
In order to achieve the above objectives, the present invention adopts the following technical scheme:
A kind of dispensing well remote intelligent control system, including water-injection station control send system with storage system, surface instruction
And underground instruction execution system；
It includes that oil field production network, control computer and the intelligent control of standing and storage are soft that the water-injection station, which is controlled with storage system,
Part, station control computer and surface instruction, which send system and produce network by oil field, establishes network communication, the intelligent control and
It stores software to be used to that seperated layer water injection demand to be combined to formulate remote control commands, the remote control commands produce net by oil field
Network is sent to surface instruction and sends system, and control computer of standing receives and stores surface instruction and sends the underground dynamic that system is sent
Data, and dynamic chart is formed by intelligent control and storage software；
It includes automatically controlled valve group and data display equipment that the surface instruction, which sends system, and surface instruction sends system and is used for
Remote control commands are received, and controls electrically-controlled valve group according to remote control commands and establishes pressure oscillation code；Surface instruction simultaneously
Transmission system gives an order for received well and executes the pressure wave code of system feedback, and water-injection station control and storage are sent to after decoding
System, and pass through data display equipment real-time display underground multidate information；
The underground instruction execution system includes that main control module, communication decoder module, nozzle regulating mechanism and pressure are surveyed
Test-run a machine structure, and underground instruction execution system is used to receive surface instruction and sends the pressure wave code that system is sent, and is decoded by communication
Decoded instruction is sent to main control module by module decoding, main control module combination pressure mechanism for testing test pressure and
Water nozzle aperture situation adjusts water nozzle by nozzle regulating mechanism, while main control module transfers data to surface instruction transmission
System, and instantaneous charging state is recorded, by constantly regulate water nozzle, until reaching injection allocation requirement.
Further, the intelligent control and storage software installation are in the computer of station control computer or oil field production network.
Further, the automatically controlled valve group is single valve mode or bivalve mode, and when dispensing, well reservoir communication is good, pressure
When responding fast, using single valve mode；When dispensing well reservoir communication is bad, pressure response is slow, can not form effective pressure wave code
When, using bivalve mode.
Further, the pressure oscillation code that electrically-controlled valve group is established includes nine sections of codes, and nine sections of codes divide three parts, the
A part is position code, for determining that areal receiver-array object, second part are instruction code, for recognizing instruction type, third portion
It is divided into actuating code, is used to indicate movement content.
Further, the nozzle regulating mechanism is powered by battery, and nozzle regulating mechanism drives water by motor
Mouth.
A kind of dispensing well remote intelligent control method, comprising the following steps:
Step 1: intelligent control seperated layer water injection demand in conjunction with storage software formulates remote control commands, and long-range control refers to
It enables and surface instruction transmission system is sent to by oil field production network, while station controls computer and receives and stores surface instruction transmission
The underground dynamic data that system is sent, and dynamic chart is formed by intelligent control and storage software；
Step 2: surface instruction sends system and establishes pressure oscillation code according to remote control commands control electrically-controlled valve group；
The system received well of surface instruction transmission simultaneously, which gives an order, executes the pressure wave code of system feedback, and water-injection station control is sent to after decoding
System and storage system, and pass through data display equipment real-time display underground multidate information；
Step 3: underground instruction execution system receives surface instruction and sends the pressure wave code that system is sent, and is solved by communication
Decoded instruction is sent to main control module by code module decoding, and main control module combination pressure mechanism for testing tests pressure
And water nozzle aperture situation, water nozzle is adjusted by nozzle regulating mechanism, while main control module transfers data to surface instruction hair
System is sent, and records instantaneous charging state, by constantly regulate water nozzle, until reaching injection allocation requirement.
Compared with prior art, the invention has the following beneficial technical effects:
Applicating fluid wave code technology of the present invention and downhole flow intelligence adjustment Theory, it is automatic to realize laminated distributor under well flow
Test, automatic adjustment, dynamic data are tested and are stored for a long time, and ground and underground long distance wireless data are transmitted, and have pushed water injection pipe
Column is developed by single water-filling function towards integrated and integrated directions such as water filling, information collection, test allotments, is improved
Qualification rate is filled the water, water injection well intelligent management is accelerated, in addition underground instruction execution system of the present invention has self study and control
Function guarantees that layered waterflooding quantity is chronically at eligible state, and long-distance intelligent control is realized that station control integration executes control, reduced
Personnel labor intensity improves site operation security reliability, is layered dynamic monitoring for a long time, provides mass data for oil reservoir research
Support, improves the science of waterflooding adjustment.
Detailed description of the invention
Fig. 1 is present invention dispensing well remote intelligent control system schematic diagram.
Specific embodiment
Present invention is further described in detail with reference to the accompanying drawing:
In order to realize that laminated distributor under well flow is tested automatically, automatically adjusted, dynamic data is tested and is stored for a long time, ground with
Long distance wireless data transmission in underground pushes water injection string to be deployed by single water-filling function towards water filling, information collection, test
Develop etc. integrated and integrated direction, improve water filling qualification rate, accelerate water injection well intelligent management, leads fine layering note
Water developing direction is tamped and produces technical support on oilfield stable production.
The present invention provides a kind of dispensing well remote intelligent control system, mainly includes that water-injection station is controlled and deposited referring to Fig. 1
Storage system, surface instruction send system and underground instruction execution system.Water-injection station control is mainly produced by oil field with storage system
Network, control computer and the intelligent control of standing and storage software sharing send out station control computer and surface instruction by oil field production network
System is sent to establish network communication, meanwhile, in conjunction with seperated layer water injection demand, long-range control is formulated using intelligent control and storage software
Instruction, and send to survey by oil field production network and instruction is adjusted to give surface instruction transmission system, meanwhile, control computer of standing is received and is deposited
The underground dynamic data that surface instruction sends system transmission is stored up, and dynamic chart is formed by intelligent control and storage software,
For the research of seperated layer water injection state and hierarchical control.Surface instruction sends system by automatically controlled valve group, ultrasonic flowmeter, pressure
The integrated compositions such as meter, ground control module and data display equipment, function include producing network by oil field to receive water-injection station control
The instruction that system is sent with storage system, and 9 sections of pressure oscillation codes, code point three are established according to instruction control electrically-controlled valve group
Section, first segment is position code, for determining that areal receiver-array object, second segment are instruction code, for recognizing instruction type, third
Section is actuating code, is used to indicate movement content.Meanwhile surface instruction transmission system received well gives an order and executes system feedback time
Pressure wave code, and send water-injection station control and storage system to after decoding, and pass through data display equipment real-time display underground
The multidate informations such as zonal flow rate, pressure.Underground instruction execution system adjusts machine by main control module, communication decoder module, water nozzle
Structure and pressure test mechanism etc. are constituted, and major function is the pressure wave code for receiving surface instruction and sending system transmission, and by leading to
Decoder module decoding is interrogated, decoded instruction is sent to main control module, the test of main control module combination pressure mechanism for testing
Pressure and water nozzle aperture situation further adjust water nozzle, and main control module transfers data to surface instruction and sends system, and
Instantaneous charging state is recorded, by constantly regulate, until reaching injection allocation requirement.
The intelligent control and storage software have flow adjust control, water-injection mode control, downhole flow calibration and
The functions such as intelligence adjusting, which produces on network computer in station control computer or other oil fields, remote for separate water injection well
The operation of journey intelligent control and display.The intelligent control and storage software can real-time exhibition be layered dynamic data, such as stratified flow
The parameters such as amount, zonal pressure, at the same can enquiry of historical data, and form chart.The electrically-controlled valve group difference single valve and bivalve two
Kind of mode, single valve mode are mainly used for that reservoir communication is good, and the fast dispensing well of pressure response, bivalve mode is mainly used for reservoir
Connectivity is bad, and pressure response is slow, can not form the well of effective pressure wave code.The pressure code mainly includes nine sections of codes,
Pressure lifting, nine sections of codes are established by automatically controlled valve group switch-mode regulation including 5 boosting codes and 4 decompression codes
Dividing three sections, first segment is position code, and for determining areal receiver-array object, second segment is instruction code, for recognizing instruction type,
Third section is actuating code, is used to indicate movement content.Main control module in the underground instruction execution system have storage and
Test pressure and water nozzle aperture data will be automatically stored in control function, a large amount of dynamic datas during adjusting in combination with survey,
Self study control model is formed, so that main control module can automatically control when surface instruction sends system and do not issue instruction
Water nozzle aperture, it is ensured that reach injection allocation requirement.Communication decoder module in the underground instruction execution system, which has, receives pressure
Wave code, is completed at the same time decoding process, and identifiable instruction code is sent to main control module.The nozzle regulating mechanism is
Downhole flow control executes structure, is powered using battery, and drives water nozzle to execute aperture variation, water by miniaturization motor
Mouth is designed using ceramic structure, is changed by axial stroke and is realized water nozzle switch control.
Below with reference to embodiment, the present invention will be described in detail:
Below by taking dually completed injector as an example, illustrate stratified flow rate tune process:
Step 1: upper layer water nozzle is closed.
By water-injection station control and storage system, remote control software is operated, the instruction of upper layer water nozzle will be closed and pass through oil field
Production network is sent to surface instruction and sends system, and sends system by surface instruction and control automatically controlled valve group, establishes 9 sections of pressure
Wave code sends underground instruction execution system to, and the system communication decoder module is instruction morphing for recognizable instruction by what is received
It is sent to main control module, nozzle regulating mechanism is then controlled and closes upper layer water nozzle.
Step 2: lower layer's flow coarse adjustment
According to the normal water injection pressure of lower layer, water injection rate when testing lower layer's water nozzle full-gear is required according to stratum injection allocation,
The instruction of water nozzle coarse adjustment is designed, by water-injection station control and storage system, remote control software is operated, instruction is passed through into oil
Field production network is sent to surface instruction and sends system, and sends system by surface instruction and control automatically controlled valve group, establishes 9 sections of pressures
Reeb code, sends underground instruction execution system to, and the system communication decoder module is instruction morphing for recognizable finger by what is received
Order is sent to main control module, then controls nozzle regulating mechanism and controls water nozzle to corresponding aperture.
Step 3: lower layer's flow accurate adjustment
According to coarse adjustment as a result, according to stratum injection allocation requirement, design the accurate regulating command of water nozzle, by water-injection station control with
Storage system, operate remote control software, will instruction by oil field produce network be sent to surface instruction transmission system, and by
Surface instruction sends system and controls automatically controlled valve group, establishes 9 sections of pressure wave codes, sends underground instruction execution system to, and the system is logical
News decoder module is instruction morphing to can recognize that instruction is sent to main control module by what is received, then controls water nozzle and adjusts machine
Structure controls water nozzle to corresponding aperture, and reaches injection allocation requirement.
Step 4: starting intelligence learning function
After lower layer's flow reaches injection allocation requirement, by water-injection station control and storage system, remote control software is operated, it will
Intelligence learning instruction produces network by oil field and is sent to surface instruction transmission system, and sends system control by surface instruction
Automatically controlled valve group establishes 9 sections of pressure wave codes, sends underground instruction execution system to, which will receive
Instruction morphing to can recognize that instruction is sent to main control module, main control module starts intelligence learning function, records and surveys tune process
Middle water filling dynamic data.
Step 5: upper layer flow coarse adjustment
According to the normal water injection pressure in upper layer, water injection rate when testing upper layer water nozzle full-gear is required according to stratum injection allocation,
The instruction of water nozzle coarse adjustment is designed, by water-injection station control and storage system, remote control software is operated, instruction is passed through into oil
Field production network is sent to surface instruction and sends system, and sends system by surface instruction and control automatically controlled valve group, establishes 9 sections of pressures
Reeb code, sends underground instruction execution system to, and the system communication decoder module is instruction morphing for recognizable finger by what is received
Order is sent to main control module, then controls nozzle regulating mechanism and controls water nozzle to corresponding aperture.
Then, step 3 accurate adjustment and step 4 intelligence learning are executed respectively to upper layer, upper layer is made to reach injection allocation requirement.
Step 6: setting ground constant-current water injection
By water-injection station control and storage system, remote control software is operated, constant-current water injection instruction is produced by oil field
Network is sent to surface instruction and sends system, and controls automatically controlled valve group and execute full well constant-current water injection, it is ensured that full well, which reaches injection allocation, to be wanted
It asks.
Wherein, upper layer, lower layer survey tune process and can be interchanged, and usually first survey and adjust reservoir properties preferable, the strong layer of water absorbing capacity
Position.
Claims (6)
1. a kind of dispensing well remote intelligent control system, which is characterized in that including water-injection station control and storage system, surface instruction
Transmission system and underground instruction execution system；
The water-injection station control includes oil field production network, control computer and the intelligent control of standing and storage software, institute with storage system
It states control computer of standing and network communication is established by oil field production network with surface instruction transmission system, the intelligent control and storage are soft
Part is used to that seperated layer water injection demand to be combined to formulate remote control commands, and the remote control commands produce network by oil field and are sent to
Surface instruction sends system, and control computer of standing receives and stores surface instruction and sends the underground dynamic data that system is sent, and leads to
It crosses intelligent control and storage software forms dynamic chart；
It includes automatically controlled valve group and data display equipment that the surface instruction, which sends system, and surface instruction sends system for receiving far
Process control instruction, and control electrically-controlled valve group according to remote control commands and establish pressure oscillation code；Surface instruction sends system simultaneously
System gives an order for received well and executes the pressure wave code of system feedback, and water-injection station control and storage system are sent to after decoding, and
Pass through data display equipment real-time display underground multidate information；
The underground instruction execution system includes main control module, communication decoder module, nozzle regulating mechanism and pressure testing machine
Structure, and underground instruction execution system is used to receive surface instruction and sends the pressure wave code that system is sent, and by communication decoder module
Decoded instruction is sent to main control module by decoding, and main control module combination pressure mechanism for testing tests pressure and water nozzle
Aperture situation adjusts water nozzle by nozzle regulating mechanism, while main control module transfers data to surface instruction and sends system,
And instantaneous charging state is recorded, by constantly regulate water nozzle, until reaching injection allocation requirement.
2. a kind of dispensing well remote intelligent control system according to claim 1, which is characterized in that the intelligent control with
Software installation is stored in the computer of station control computer or oil field production network.
3. a kind of dispensing well remote intelligent control system according to claim 1, which is characterized in that the automatically controlled valve group is
Single valve mode or bivalve mode, when dispensing well reservoir communication is good, when pressure response is fast, using single valve mode；When dispensing well storage
Layer connectivity is bad, and pressure response is slow, when can not form effective pressure wave code, using bivalve mode.
4. a kind of dispensing well remote intelligent control system according to claim 1, which is characterized in that electrically-controlled valve group was established
Pressure oscillation code includes nine sections of codes, and nine sections of codes divide three parts, and first part is position code, for determining areal receiver-array pair
As second part is instruction code, and for recognizing instruction type, Part III is actuating code, is used to indicate movement content.
5. a kind of dispensing well remote intelligent control system according to claim 1, which is characterized in that the water nozzle adjusts machine
Structure is powered by battery, and nozzle regulating mechanism drives water nozzle by motor.
6. a kind of dispensing well remote intelligent control method, using a kind of dispensing well long-distance intelligent control system described in claim 1
System, which comprises the following steps:
Step 1: intelligent control seperated layer water injection demand in conjunction with storage software formulates remote control commands, and remote control commands are logical
It crosses oil field production network and is sent to surface instruction transmission system, while station controls computer and receives and stores surface instruction transmission system hair
The underground dynamic data sent, and dynamic chart is formed by intelligent control and storage software；
Step 2: surface instruction sends system and establishes pressure oscillation code according to remote control commands control electrically-controlled valve group；Simultaneously
Surface instruction transmission system received well, which gives an order, executes the pressure wave code of system feedback, and water-injection station control is sent to after decoding and is deposited
Storage system, and pass through data display equipment real-time display underground multidate information；
Step 3: underground instruction execution system receives surface instruction and sends the pressure wave code that system is sent, and decodes mould by communication
Decoded instruction is sent to main control module by block decoding, and main control module combination pressure mechanism for testing tests pressure and water
Mouth aperture situation adjusts water nozzle by nozzle regulating mechanism, while main control module transfers data to surface instruction and sends system
System, and instantaneous charging state is recorded, by constantly regulate water nozzle, until reaching injection allocation requirement.
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