CN208473818U - Oil field networking water injection pressure control system based on SCADA and PLC - Google Patents

Oil field networking water injection pressure control system based on SCADA and PLC Download PDF

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Publication number
CN208473818U
CN208473818U CN201820831424.6U CN201820831424U CN208473818U CN 208473818 U CN208473818 U CN 208473818U CN 201820831424 U CN201820831424 U CN 201820831424U CN 208473818 U CN208473818 U CN 208473818U
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water
scada
control system
injection
plc
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Inventor
刁海胜
王军锋
王登莲
郭彦中
田新民
李录兵
章占强
周维琴
李化斌
郑国玉
宁莹
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China Petroleum and Natural Gas Co Ltd
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China Petroleum and Natural Gas Co Ltd
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Abstract

The utility model provides a kind of oil field networking water injection pressure control system based on SCADA and PLC, including SCADA system and water-injection station PLC control system, SCADA system is connected with water-injection station PLC control system by oil field communication network, water-injection station PLC control system is controlled for water injecting pump pressure stabilizing, SCADA system fills the water more water-injection stations to networking and carries out pressure balance compensation control for acquiring water-injection station PLC control system parameter in real time.The utility model can grasp injection pipe network operation data in real time, carry out scientific analysis processing, provide Optimal Decision-making, and rational allocation utilizes resource, meets oil-field flooding requirement.Effectively injection pipe network and crucial water-injection station, equipment are monitored using SCADA system, controlled, guarantees safety and steady water filling, improves the reliability of injection pipe network system overall operation.Due to having reliable data acquisition and remote control ability in real time, optimizes running fluidization air flow, reduce cost.

Description

Oil field networking water injection pressure control system based on SCADA and PLC
Technical field
The utility model belongs to oil-field flooding technical field, and in particular to a kind of oil field networking note based on SCADA and PLC Hydraulic pressure Force control system.
Background technique
The acquisition of SCADA (Supervisory Control And Data Acquisition) system, i.e. data and monitoring Control system.SCADA system is computer-based DCS and power automation monitoring system;Its application field is very wide, can To be applied to the data acquisition and monitoring control and process control etc. in the fields such as electric power, metallurgy, petroleum, chemical industry, combustion gas, railway Numerous areas.SCADA system can to scene running equipment be monitored and be controlled, with realize data acquisition, equipment control, The various functions such as parameter regulation and various types of signal alarm.
By development in recent years, SCADA system application is more mature in oil field, existing capability in production service preferably Effect has been played, the indispensable tool of oil field production scheduling is had become, it is to raising oil field equipment reliability of operation, peace Full property and economic benefit, mitigate worker at the production line's burden, realize the automation of oil field production scheduling, are improving production run efficiency and pipe Reason level etc. has irreplaceable role.With the continuous development of SCADA technology and the communication technology, station in oilfield is gradually It realizes unattended, it is desirable to which the equipment of all accesses can incorporate Automatic monitoring systems.
Oil-field flooding is one of the important means of to supplement energy in oilfield development process to stratum, improve oil recovery rate, Oil field separate unit water injecting pump control mode mainly uses manual adjustment to flow back or manually adjust frequency converter and realizes water injection pressure at present Control, networking water injection pressure are usually provided by multiple water-injection stations jointly, therefore in order to ensure the pressure of entire injection pipe network Steadily, dispatcher is needed when finding end water injection pressure deficiency by flow back by rule of thumb or frequency adjusts, not only labor Fatigue resistance is big, and cannot find end water injection well insufficient pressure in time, causes the reduction of water filling quality.Oil field finely fills the water pair More stringent requirements are proposed for the pressure control of injection pipe network, only could further mention note using networking water injection pressure automatic control Water quality, while realizing the water injecting pump control function of unmanned station.
In recent years it is stood firm according to oil-field flooding and presses needs, aiming at the problem that water injecting pump pressure transient, be configured with for water injecting pump A set of PID controller or PID control system based on PLC and frequency converter.As automatic pressure control a kind of in oilfield flooding pipeline network System and frequency conversion adjustment device for high, need with SCADA system sufficiently to be merged water injecting pump PID control system, and establish effective Monitoring system enables PID control preferably to play its effect in networking water filling.
Utility model content
The oil field networking water injection pressure control system based on SCADA and PLC that the purpose of the utility model is to provide a kind of, it is real Now networking fills the water real-time pressure stabilizing control, realizes the centralized dispatching and pressure control of water-injection station, guarantees the steady of networking water injection pressure Operation.
The utility model adopts the following technical solution:
Oil field networking water injection pressure control system based on SCADA and PLC, including SCADA system and water-injection station PLC control System, the SCADA system and water-injection station PLC control system are connected by oil field communication network, the water-injection station PLC control system It is controlled for water injecting pump pressure stabilizing, the SCADA system is infused for acquiring water-injection station PLC control system parameter in real time, and to networking The more water-injection stations of water carry out pressure balance compensation control.
The water-injection station PLC control system includes PLC controller and frequency converter, and the PLC controller and frequency converter are electrically connected It connects, the PLC controller is controlled for water injecting pump pressure stabilizing, and the frequency converter is connect with the motor of dragging water injecting pump.
The SCADA system includes SCADA server system and SCADA FTP client FTP, the SCADA FTP client FTP Including regulation center SCADA FTP client FTP and water-injection station SCADA FTP client FTP, the SCADA server system and SCADA FTP client FTP is connected by oil field communication net.
The water-injection station PLC control system parameter includes water filling main line flow, frequency converter frequency, water filling pump discharge pressure.
The frequency converter is connect by RS485 with PLC controller.
The mating man-machine interface of SCADA FTP client FTP.
The SCADA system is connected with water-injection station PLC control system by Ethernet.
The beneficial effects of the utility model are:
1, by the output frequency of water-injection station PLC control system adjust automatically frequency converter equipment, make to fill the water pump discharge pressure It is constant in water injection pressure fluctuation range, so that the pressure for filling the water pump discharge be made to reach requirement and even running.
2, based on the real time data that SCADA system provides, realize that more water-injection stations provide the networking note of pressure jointly Water centralized dispatching and pressure balance compensation, make the energy of system while guaranteeing injection allocation qualification rate and improving water injection pressure stability Loss reduction is consumed, under guaranteeing that the flood pattern moment is in an optimal operating state.
3, water filling mains pressure, the acquisition of flow and the shape of frequency converter equipment are realized by water-injection station automated control technology State monitoring, control and adjusting, guarantee the normal operation and safety of water-injection station.
4, water injection pipe is realized to the real time monitoring of water filling end and the real-time control of water injecting pump by SCADA system The effective monitoring of net and pressure are adjusted.
It is described in further details below in conjunction with attached drawing.
Detailed description of the invention
Fig. 1 is an embodiment of the present invention schematic diagram.
Specific embodiment
Embodiment 1:
Present embodiments provide a kind of oil field networking water injection pressure control system based on SCADA and PLC, including SCADA System and water-injection station PLC control system, the SCADA system and water-injection station PLC control system are connected by oil field communication network, institute It states water-injection station PLC control system to control for water injecting pump pressure stabilizing, the SCADA system for acquiring water-injection station PLC control in real time System parameter, and more water-injection stations are filled the water to networking and carry out pressure balance compensation control.
By SCADA system to the real time monitoring of water filling end and the real-time control of water injecting pump, injection pipe network is realized Effective monitoring and pressure adjust.Based on the real time data that SCADA system provides, realize that more water-injection stations provide pressure jointly The networking water filling centralized dispatching and pressure balance compensation of power, while guaranteeing injection allocation qualification rate and improving water injection pressure stability Keep the energy loss of system minimum, under guaranteeing that the flood pattern moment is in an optimal operating state.
Embodiment 2:
On the basis of embodiment 1, a kind of oil field networking water injection pressure based on SCADA and PLC is present embodiments provided Control system, the water-injection station PLC control system include PLC controller and frequency converter, and the PLC controller and frequency converter are electrically connected It connects, the PLC controller is controlled for water injecting pump pressure stabilizing, and the frequency converter is connect with the motor of dragging water injecting pump.
By the output frequency of water-injection station PLC control system adjust automatically frequency converter equipment, make to fill the water pump discharge pressure perseverance It is scheduled on water injection pressure fluctuation range, so that the pressure for filling the water pump discharge be made to reach requirement and even running.
Embodiment 3:
On the basis of embodiment 1, a kind of oil field networking water injection pressure based on SCADA and PLC is present embodiments provided Control system, the SCADA system include SCADA server system and SCADA FTP client FTP, SCADA client system System include regulation center SCADA FTP client FTP and water-injection station SCADA FTP client FTP, the SCADA server system and SCADA FTP client FTP is connected by oil field communication net.
Wherein, the water-injection station PLC control system parameter includes water filling main line flow, frequency converter frequency, water filling pump discharge Pressure.
The frequency converter is connect by RS485 with PLC controller.
The mating man-machine interface of SCADA FTP client FTP.
The SCADA system is connected with water-injection station PLC control system by Ethernet.
Embodiment 4:
On the basis of previous embodiment, a kind of oil field networking water filling pressure based on SCADA and PLC is present embodiments provided Force control system, the water injection pressure control system as shown in Figure 1, the oil field based on SCADA and PLC is networked, including pass through Ethernet The water-injection station PLC control system and SCADA system of connection;Water-injection station PLC control system includes being serviced by Ethernet and SCADA The PLC controller of device system connection and the frequency converter being connect by RS485 with PLC control system, SCADA system includes SCADA Server system and SCADA FTP client FTP, SCADA FTP client FTP pass through with oil field communication net and SCADA server system Connection.SCADA FTP client FTP is multiple.Each water-injection station has SCADA FTP client FTP and water-injection station PLC control system, Each PLC controller can connect multiple frequency converters, the corresponding water injecting pump of each frequency converter.
SCADA server system realize real-time data acquisition, equipment control command issue, the functions such as history data store, SCADA FTP client FTP realizes that man-machine interface is shown and the functions such as parameter setting.Regulation center SCADA FTP client FTP is to each note Water station SCADA FTP client FTP carries out Centralized Monitoring, adjusts.
In the above-mentioned oil field networking water injection pressure control system based on SCADA and PLC, on the one hand, oil field communication net provides SCADA server system realizes the real time data between water-injection station and regulation center to the network channel of SCADA FTP client FTP Pressure compensation control between information and the transmission of equipment running status information and water-injection station;On the other hand, water-injection station SCADA client The control instruction of end system is sent to SCADA server system by oil field communication net, by being sent to water-injection station PLC through oil field communication net Control system is used for real-time control frequency converter.
The system to networking water filling there are three types of control mode, wherein for water-injection station PLC control system have remote control and regulation and Regulate and control two ways on the spot, is supplied to water-injection station operator use.There is pressure flat for the networking water filling that more water-injection stations are constituted Weighing apparatus compensation control mode is supplied to regulation center employee and uses.
1, PLC control system
(1) when using remote control and regulation mode, water-injection station SCADA FTP client FTP respectively fills the water main line to water-injection station and frequency conversion is set It is standby to carry out data acquisition, real time data and device status information in water-injection station are obtained, water-injection station SCADA FTP client FTP is supplied to It makes a policy and issues instruction, remote adjustment is carried out to frequency converter via PLC control system, changes water injecting pump running frequency value tune Save water injection pressure.
(2) using control methods on the spot when, the operating status and water injection pressure of water-injection station real-time monitoring frequency converter, and according to The water filling main line real-time running data that SCADA system provides controls frequency converter on the spot and adjusts water injecting pump running frequency value, makes to fill the water The operating pressure of main line reaches requirement.
2, when control mode balanced compensated using networking water injection pressure, regulation center SCADA FTP client FTP infuses more The water injection pressure and frequency conversion equipment of water station carry out data acquisition, real time data in all water-injection stations in acquisition networking flood pattern And device status information, more water filling station equipments for being related to networking water filling are moved by regulation center SCADA FTP client FTP State control is realized by other websites in control networking and carries out pressure compensation to the station for being unable to reach water injection pressure requirement, made Each water filling well pressure meets waterflooding requirement in networking flood pattern.
In summary it describing, the utility model can grasp injection pipe network operation data in real time, scientific analysis processing is carried out, Optimal Decision-making is provided, rational allocation utilizes resource, meets oil-field flooding requirement.It can be effectively to water filling using SCADA system Pipe network and crucial water-injection station, equipment are monitored, are controlled, and are guaranteed safety and steady water filling, are improved injection pipe network system overall operation Reliability.Due to having reliable data acquisition and remote control ability in real time, running fluidization air flow can be optimized, subtracted significantly Artificial traditional inspection meter reading statistics, phone scheduling are lacked, have accomplished to cut payroll to improve efficiency, reduce cost.
Exemplified as above is only to the utility model for example, not constituting to the protection scope of the utility model Limitation, within all designs the same or similar with the utility model all belong to the scope of protection of the present invention.

Claims (7)

  1. The water injection pressure control system 1. the oil field based on SCADA and PLC is networked, including SCADA system and water-injection station PLC control system System, it is characterised in that: the SCADA system is connected with water-injection station PLC control system by oil field communication network, the water-injection station PLC control system is controlled for water injecting pump pressure stabilizing, and the SCADA system acquires water-injection station PLC control system parameter for real-time, And more water-injection stations are filled the water to networking and carry out pressure balance compensation control.
  2. The water injection pressure control system 2. the oil field according to claim 1 based on SCADA and PLC is networked, it is characterised in that: The water-injection station PLC control system includes PLC controller and frequency converter, and the PLC controller and frequency converter are electrically connected, described PLC controller is controlled for water injecting pump pressure stabilizing, and the frequency converter is connect with the motor of dragging water injecting pump.
  3. The water injection pressure control system 3. the oil field according to claim 1 based on SCADA and PLC is networked, it is characterised in that: The SCADA system includes SCADA server system and SCADA FTP client FTP, and the SCADA FTP client FTP includes regulation Center SCADA FTP client FTP and water-injection station SCADA FTP client FTP, the SCADA server system and SCADA client system System is connected by oil field communication net.
  4. The water injection pressure control system 4. the oil field according to claim 2 based on SCADA and PLC is networked, it is characterised in that: The water-injection station PLC control system parameter includes water filling main line flow, frequency converter frequency, water filling pump discharge pressure.
  5. The water injection pressure control system 5. the oil field according to claim 2 based on SCADA and PLC is networked, it is characterised in that: The frequency converter is connect by RS485 with PLC controller.
  6. The water injection pressure control system 6. the oil field according to claim 3 based on SCADA and PLC is networked, it is characterised in that: The mating man-machine interface of SCADA FTP client FTP.
  7. The water injection pressure control system 7. the oil field according to claim 1-6 based on SCADA and PLC is networked, Be characterized in that: the SCADA system is connected with water-injection station PLC control system by Ethernet.
CN201820831424.6U 2018-05-31 2018-05-31 Oil field networking water injection pressure control system based on SCADA and PLC Active CN208473818U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820831424.6U CN208473818U (en) 2018-05-31 2018-05-31 Oil field networking water injection pressure control system based on SCADA and PLC

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820831424.6U CN208473818U (en) 2018-05-31 2018-05-31 Oil field networking water injection pressure control system based on SCADA and PLC

Publications (1)

Publication Number Publication Date
CN208473818U true CN208473818U (en) 2019-02-05

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110032157A (en) * 2019-04-25 2019-07-19 广州宁基智能系统有限公司 A kind of storage control system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110032157A (en) * 2019-04-25 2019-07-19 广州宁基智能系统有限公司 A kind of storage control system

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