CN218413286U - Well head intelligence production control system - Google Patents
Well head intelligence production control system Download PDFInfo
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- CN218413286U CN218413286U CN202223002494.6U CN202223002494U CN218413286U CN 218413286 U CN218413286 U CN 218413286U CN 202223002494 U CN202223002494 U CN 202223002494U CN 218413286 U CN218413286 U CN 218413286U
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Abstract
The utility model provides a well head intelligent production control system, which relates to the technical field of petroleum and natural gas production and solves the problem of single function of the traditional well head production control system; the RTU controller comprises a plurality of analog quantity input channels, a plurality of digital quantity input channels and a plurality of digital quantity output channels, the user wiring panel comprises a plurality of analog quantity input interfaces, a plurality of digital quantity input interfaces and a plurality of digital quantity output interfaces, the analog quantity input interfaces and the digital quantity input interfaces are arranged corresponding to the RTU controller, the analog quantity input interfaces and the digital quantity input interfaces are connected with a measuring mechanism, the digital quantity output interfaces are connected with an executing mechanism, the charging and discharging subsystem is used for supplying power to the RTU controller, and the RTU controller is in communication connection with an upper control system; the utility model discloses based on the RTU design, realized advantages such as production control system's high integration, multifunctionality, intellectuality, radio communication and update.
Description
Technical Field
The utility model relates to an oil and gas production technical field, concretely relates to well head production part of oil and gas trade is a well head intelligent production control system.
Background
In the safe production process of land desert high-pressure, high-yield and high-risk oil and gas wells and offshore platform oil and gas wells, a wellhead production control system plays an important role, can effectively prevent or reduce oil and gas well accidents, and prevent or reduce the emission of hydrocarbon to atmosphere or surrounding environment; the oil field well head production control system is one of the indispensable main control systems for oil field safe production and transportation no matter according to government regulations or the regulatory requirements of oil field safe production at home and abroad.
The wellhead production control system in the industry has many limitations at present, and in terms of functions, the existing production control system has single function and low automation degree, can only realize opening stroke and closing stroke, has fixed opening degree, cannot realize adjustable control on the opening degree, and can not be remotely controlled due to the fact that the whole system runs on site; on equipment, the data transmission of the existing production control system adopts a wired mode, a field cable needs to be buried, the workload is large, the later maintenance is inconvenient, and the production control system is not suitable for a remote well region; due to the insufficiency of the hardware condition of the equipment, the control capability of the production control system is further lower, and the diversity of the wellhead production field environment is more and more difficult to adapt.
A Remote Terminal Unit (RTU) is a special computer measurement and control Unit with a modular structure designed aiming at long communication distance and severe industrial field environment, connects a Terminal detection instrument and an execution mechanism with a main computer of a Remote control center, has Remote data acquisition, control and communication functions, and can receive an operation instruction of the main computer and control the action of the execution mechanism at the Terminal. According to the definition in the national standard CB/T14429-93 telemechanical equipment and system term, telemechanical refers to a general name for completing functions of telemetering, remote signaling, remote control, remote regulation and the like by applying a communication technology, and is called 'four remote' for short.
The RTU can be implemented in a variety of different hardware and software depending on the nature of the controlled site, the site environmental conditions, the complexity of the system, the requirements for data communication, real-time alarm reporting, analog signal measurement accuracy, condition monitoring, device tuning control, and on-off control. Because the data transmission protocol, information structure and error detection technology adopted by each manufacturer are different, each manufacturer generally produces a special RTU matched with the SCADA system.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve or at least partial solution well head production control system who mentions among the background art and still exist the limitation problem at present, provided a well head intelligence production control system, this system designs based on RTU, has brought into play the advantage of RTU controller to realize advantages such as production control system's high integration, multifunctionality, intellectuality, wireless communication and update, improved the practicality.
The utility model discloses a following technical scheme realizes the purpose:
a well head intelligent production control system comprises an RTU controller, a charge-discharge electronic system and a user wiring panel, wherein the charge-discharge electronic system and the user wiring panel are respectively connected with the RTU controller; the RTU controller comprises a plurality of analog quantity input channels, a plurality of digital quantity input channels and a plurality of digital quantity output channels, the user wiring panel comprises a plurality of analog quantity input interfaces, a plurality of digital quantity input interfaces and a plurality of digital quantity output interfaces which are arranged corresponding to the RTU controller, the analog quantity input interfaces and the digital quantity input interfaces are connected with the measuring mechanism, and the digital quantity output interfaces are connected with the executing mechanism; the charging and discharging system is used for supplying power to the RTU controller, and the RTU controller is in communication connection with an upper control system.
Further, the charging and discharging subsystem comprises a storage battery, a charging and discharging controller, a solar panel and a direct-current power supply; the direct-current power supply, the solar cell panel and the storage battery are all connected with a charge-discharge controller, and a load output end of the charge-discharge controller is connected with a power supply input end of the RTU controller; the rated voltage of the direct current power supply is 24V, and the rated voltage of the direct current output by the load output end of the charge-discharge controller is 12V.
The charging and discharging subsystem forms an uninterrupted power supply suitable for the production control system, so that high-quality and stable power supply can be provided for the RTU controller and related devices, and the smoothness and reliability of the production process can be guaranteed.
Preferably, the charge and discharge controller is further connected with a fuse and a surge protector; reliable protection is provided for the electricity of the whole production control system, and the overall reliability and safety of the system are further improved.
Further, still include explosion-proof electric cabinet, be provided with mounting plate in the explosion-proof electric cabinet, mounting plate is used for laying fuse, surge protector, battery, user's wiring panel and RTU controller, lay on the side board of explosion-proof electric cabinet charge-discharge controller, explosion-proof electric cabinet still is provided with a plurality of trompils, the trompil is used for passing the cable, the cable makes measuring mechanism, actuating mechanism be connected with the RTU controller.
After the system is highly integrated in the explosion-proof electric cabinet, the production process is more convenient to use and maintain, and meanwhile, reliable physical protection can be provided.
Preferably, a display screen and a plurality of control buttons are arranged on a front panel of the explosion-proof electric cabinet, and the display screen and the control buttons are both connected with the RTU controller; the device ensures that the production control system has the functions of on-site monitoring and control and is mutually complemented with remote control, so that the control means is more flexible and reliable.
Specifically, the RTU controller includes 8 analog input channels, 16 digital input channels and 4 digital output channels, and the user wiring panel includes 8 analog input interfaces, 16 digital input interfaces and 4 digital output interfaces corresponding to the RTU controller.
Preferably, a wireless communication module is arranged in the RTU controller, the RTU controller establishes communication connection with an upper control system through the wireless communication module, and the upper control system comprises a remote computer; the wireless communication connection is established with a remote computer, so that the remote real-time monitoring, the multifunctional operation and the control of a production site are realized conveniently.
The specific model of the RTU controller adopted by the utility model is TBOX MS-CPU32-S2, MS-BAIVC, MS-4A0VC, MS-16DIO RTU controller.
Specifically, the measuring mechanism comprises one or more of a liquid level sensor, a pressure sensor, a temperature sensor and a flow sensor; the measurement parameters are important monitoring objects in a wellhead production field, and the measurement, the processing and analysis by the RTU controller and the control command making are important ways for realizing the multifunction of the production control system.
Specifically, the actuating mechanism is used for controlling a wellhead valve, and comprises an electro-hydraulic actuating mechanism, an electric actuating mechanism and a pneumatic actuating mechanism; the well head valve is the most important controlled object in the well head production field, receives digital quantity signals, and realizes the opening and closing control of the valve, thereby controlling the well head production process.
To sum up, owing to adopted this technical scheme, the beneficial effects of the utility model are as follows:
the main components of the wellhead intelligent production control system provided by the utility model are integrated and installed in the on-site explosion-proof electric cabinet, which has the advantage of high integration level; the production control system based on the RTU controller can realize a control mode combining remote control and local control, and particularly, the controlled fineness of the production control system is greatly improved aiming at a wellhead valve of a field execution mechanism, so that the production control system can replace the traditional production control system and has higher practicability.
The utility model discloses a RTU controller have the input/output function of analog quantity and digital quantity, the wireless remote transmission of cooperation data, can realize the monitoring function of production site, make the more intelligent that well head production becomes, the sending down of on-the-spot signal's collection monitoring and actual control order is carried out unified processing by the RTU controller, operation and the maintenance work in later stage for the production process provide very big facility, no longer like traditional production control system function singleness.
The production control system is ensured in all aspects of reliability, maintenance convenience and safety by matching with a charge-discharge subsystem, a user wiring panel and an explosion-proof electric control box, wherein the charge-discharge subsystem comprises a solar cell panel and a storage battery and is superior to a traditional production system in energy utilization and power supply stability; the user wiring panel can flexibly finish the wiring of the corresponding interface, meets the selection and collocation of each function, and is not disturbed by the problem of temporary wiring during production and use.
Drawings
FIG. 1 is a schematic block diagram of the structural connections of a wellhead intelligent production control system;
FIG. 2 is a schematic block diagram of the structural connection of a charge-discharge system;
FIG. 3 is a schematic diagram of the placement of the main components of the wellhead intelligent production control system;
FIG. 4 is a schematic view of the exterior front side of the explosion-proof electric cabinet;
FIG. 5 is a schematic diagram of the wiring schematic of the wellhead intelligent production control system;
fig. 6 is a schematic diagram of wireless transmission communication of the wellhead intelligent production control system.
The specific meanings represented by the symbols in the drawings are as follows:
the system comprises a 1-RTU controller, a 2-user wiring panel, a 21-special-shaped terminal, a 3-explosion-proof electric cabinet, a 31-mounting bottom plate, a 41-charging and discharging controller, a 42-storage battery, a 43-fuse, a 44-surge protector, a 45-circuit breaker, a 5-display screen and a 6-control button.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.
Example 1
As shown in fig. 1, the wellhead intelligent production control system comprises an RTU controller 1, a charge-discharge electronic system and a user wiring panel 2, which are respectively connected with the RTU controller 1; the RTU controller 1 comprises a plurality of analog input channels, a plurality of digital input channels and a plurality of digital output channels, the user wiring panel 2 comprises a plurality of analog input interfaces, a plurality of digital input interfaces and a plurality of digital output interfaces which are arranged corresponding to the RTU controller 1, the analog input interfaces and the digital input interfaces are connected with the measuring mechanism, and the digital output interfaces are connected with the executing mechanism; the charge-discharge system is used for supplying power to the RTU controller 1, and the RTU controller 1 is also in communication connection with an upper control system.
In this embodiment, realize the measurement and control work of well head production field through adopting RTU controller 1, give play to RTU controller 1's advantage, consequently can realize the diversification and the intellectuality of function, but remote communication accepts the unified control and command dispatch of upper control system to the well head scene to control the production process, make field control equipment no longer like traditional control technique function singleness, inconvenient maintenance.
Regarding power supply reliability, the charge-discharge subsystem that this embodiment provided for well head intelligence production control system belongs to UPS uninterrupted power source's technique, and it can external commercial power or new forms of energy have the accumulate ability simultaneously, therefore power supply stability is superior to traditional direct power supply mode.
In the embodiment, the measuring mechanism comprises a liquid level sensor, a pressure sensor, a temperature sensor and a flow sensor, and the measurement parameters of the measuring mechanism are important parameters for adjusting the opening and closing degree of a wellhead valve in the wellhead production process; the well head valve is the control object of the actuating mechanism of the intelligent production control system, the RTU controller 1 collects and judges various measurement parameters, and simultaneously, the measurement parameters are transmitted to the upper control system through a wireless communication function, so that various control actions can be made according to the measurement parameters.
Therefore, in order to realize the functions of receiving data and outputting data and establish connection with each mechanism on site, the RTU controller 1 of the embodiment includes input and output of analog quantity and digital quantity, after the user wiring panel 2 connects the required wiring channel with the RTU controller 1 in advance, when the user actually uses the system on site, the connection of each mechanism only needs to be plugged with each interface on the user wiring panel 2, and the setting is easy for function selection and later maintenance.
Example 2
Based on embodiment 1, as shown in fig. 1, when the measuring mechanism includes a liquid level sensor, a pressure sensor, a temperature sensor and a flow sensor, and the actuating mechanism includes a wellhead valve, this embodiment provides a specific model selection and input/output channel configuration of the RTU controller 1.
Meanwhile, a wireless communication module is arranged in the RTU controller 1, and a 4G wireless communication technology can be used, so that the RTU controller 1 can be in communication connection with an upper control system through the wireless communication module, and the upper control system comprises various remote computers, such as a monitoring terminal and a storage server, which are all arranged in a production management bureau.
As shown in fig. 6, after the upper control system in the production management bureau establishes wireless communication connection with the plurality of RTU controllers 1, data in the intelligent production control system corresponding to each RTU controller 1 can be wirelessly transmitted to the upper control system, and the control command can also be remotely issued; the area where each RTU controller 1 is located is monitored and controlled, and meanwhile, the remote web page type operation of respectively checking actual production data of different places and maintaining the system can be realized by configuring unique IP addresses for different RTU controllers 1.
Example 3
On the basis of embodiment 1, as shown in fig. 2 and 5, this embodiment specifically introduces a charge and discharge system; the charging and discharging subsystem comprises a storage battery 42, a charging and discharging controller 41, a solar panel and a direct-current power supply; the direct-current power supply, the solar cell panel and the storage battery 42 are all connected with the charge and discharge controller 41, and the load output end of the charge and discharge controller 41 is connected with the power input end of the RTU controller 1.
In this embodiment, the rated voltage of the dc power supply is 24V, and the dc power supply and the solar panel are processed by the charging and discharging controller 41 to charge the storage battery 42, and the output of the dc power supply and the solar panel and the electric quantity of the storage battery 42 can be converted into the dc power with the rated voltage of 12V by the charging and discharging controller 41 and supplied to the whole intelligent production control system including the RTU controller 1.
Referring to fig. 2 and 5, the present embodiment further provides that the charge and discharge controller 41 is further connected to a fuse 43, a surge protector 44 and a breaker 45, which provide electrical protection and control functions for the entire charge and discharge subsystem.
The electrical connection of the surge protector 44 is located between the dc power supply or the solar panel and the charge/discharge controller 41, the electrical connection of the fuse 43 is located between the battery and the charge/discharge controller 41, and the fuse has a rated current of 5A.
The circuit breaker 45 is used as a power switch and is respectively arranged at the end of the storage battery 42 and the end of the direct-current power supply and the solar panel, and the circuit breaker plays a role in controlling the start and stop of the whole charging and discharging subsystem.
Example 4
On the basis of embodiment 3, this embodiment specifically introduces the integrated layout of each component, as shown in fig. 3, an explosion-proof electric cabinet 3 mountable on a production site is adopted, a mounting base plate 31 is arranged in the explosion-proof electric cabinet 3, the mounting base plate 31 is used for placing a fuse 43, a surge protector 44, a storage battery 42, a user wiring panel 2 and an RTU controller 1, a charge and discharge controller 41 is placed on a side panel of the explosion-proof electric cabinet 3, the explosion-proof electric cabinet 3 is further provided with a plurality of openings, the openings are used for penetrating cables, and the cables connect a measuring mechanism and an executing mechanism with the RTU controller 1; the special-shaped terminal 21 for wiring connection of other internal auxiliary components is also arranged beside the placing position of the user wiring panel 2, so that the maintenance personnel can conveniently perform plug connection on the wiring of related components to obtain the functions of power supply, data transmission and the like, and the specific wiring schematic can be seen in fig. 5.
As the main components of the system are selected and centrally placed inside the explosion-proof electric cabinet 3, the system has the characteristic of high integration level, the main components of the system are isolated from the production field environment by the explosion-proof electric cabinet 3, the protection function is provided, and the centralized maintenance of the positions of the explosion-proof electric cabinet 3 and the internal components is more convenient.
The embodiment provides simultaneously, as shown in fig. 4, be provided with display screen 5 and a plurality of control button 6 on the positive panel of explosion-proof electric cabinet 3, display screen 5 and control button 6 all connect RTU controller 1, and accessible special-shaped terminal 21 carries out corresponding connecing and inserts the connection.
The display screen 5 adopts an OLED display screen, and due to the arrangement of the display screen 5 and the control button 6, the system can be controlled on the spot, a remote and on-spot combined control mode is realized, and the function and the processing capacity are stronger when the system is applied; particularly, be located the below of OLED display screen, be equipped with five control button 6 on the front panel, field personnel pass through control button 6, but the state of direct control well head valve reaches field control's purpose, and can be according to the content that OLED display screen shows, the operation that becomes more meticulous to control realizes more functions.
Example 5
On the basis of each embodiment, the main functions and the operation characteristics of the wellhead intelligent production control system with the hardware composition structure are introduced, and particularly, the functions are finely diversified based on the main advantages of the control effect obtained by the TBOXRTU controller.
The system can obtain a control interface menu after being operated by a control button 6 and fed back according to a display screen 5, the display screen 5 can determine and switch different wellhead valve control modes, and record measurement parameters in the production process and specific action parameters of a wellhead valve; the control process of the wellhead valve can be switched from remote control to local manual control.
The system control interface menu can also set the functions related to safety and auxiliary function operation, such as password and time, communication state change and the like.
The control function of well head valve is intelligent production control system's leading part, and based on the hardware condition of this system, the function singleness problem in the traditional control of solution, in this embodiment, well head valve's control mode is total four kinds.
The first is a fast mode: when the pressure difference value of the previous and the next two times is larger than a set value, the opening degree of the valve is reduced; when the pressure difference value of the two times is smaller than the set value, the opening degree of the valve is increased;
the second is a slow mode: when the pressure ratio of the two times is larger than a set value, the opening degree of the valve is reduced; when the pressure ratio of the two times is smaller than a set value, the opening of the valve is increased;
the third is a direct control mode: in this mode, the opening and closing degree of the wellhead valve can be fully opened or fully closed, and the wellhead valve can be controlled in a remote mode or in a mode of operating the control button 6 on site to realize the manual opening and closing function of the wellhead valve.
The fourth mode is an Emergency Shutdown (ESD) mode: in this mode, the wellhead valve is left open for extended periods of time, and closes quickly when an in-situ or remote ESD command is received.
Claims (9)
1. The utility model provides a well head intelligence production control system which characterized in that: the system comprises an RTU controller (1), a charge-discharge electronic system and a user wiring panel (2), wherein the charge-discharge electronic system and the user wiring panel are respectively connected with the RTU controller (1); the RTU controller (1) comprises a plurality of analog quantity input channels, a plurality of digital quantity input channels and a plurality of digital quantity output channels, the user wiring panel (2) comprises a plurality of analog quantity input interfaces, a plurality of digital quantity input interfaces and a plurality of digital quantity output interfaces which are arranged corresponding to the RTU controller, the analog quantity input interfaces and the digital quantity input interfaces are connected with the measuring mechanism, and the digital quantity output interfaces are connected with the executing mechanism; the charging and discharging system is used for supplying power to the RTU controller (1), and the RTU controller (1) is in communication connection with an upper control system.
2. The intelligent wellhead production control system according to claim 1, wherein: the charging and discharging subsystem comprises a storage battery (42), a charging and discharging controller (41), a solar panel and a direct-current power supply; the direct-current power supply, the solar cell panel and the storage battery (42) are connected with a charge-discharge controller (41), and a load output end of the charge-discharge controller (41) is connected with a power input end of the RTU controller (1).
3. A wellhead intelligent production control system according to claim 2, characterized in that: the charge and discharge controller (41) is further connected with a fuse (43), a surge protector (44) and a breaker (45).
4. A wellhead intelligent production control system according to claim 3, characterized in that: still include explosion-proof electric cabinet (3), be provided with mounting plate (31) in explosion-proof electric cabinet (3), mounting plate (31) are used for laying fuse (43), surge protector (44), battery (42), user wiring panel (2) and RTU controller (1), lay on the side board of explosion-proof electric cabinet (3) charge-discharge controller (41), explosion-proof electric cabinet (3) still is provided with a plurality of trompils, the trompil is used for passing the cable, the cable makes measuring mechanism, actuating mechanism be connected with RTU controller (1).
5. A wellhead intelligent production control system according to claim 4, characterized in that: a display screen (5) and a plurality of control buttons (6) are arranged on a front panel of the explosion-proof electric cabinet (3), and the display screen (5) and the control buttons (6) are connected with the RTU controller (1).
6. A wellhead intelligent production control system according to claim 1, characterized in that: RTU controller (1) includes 8 analog input channels, 16 digital input channels and 4 digital output channels, user's wiring panel (2) are including 8 analog input interfaces, 16 digital input interfaces and 4 digital output interfaces that correspond RTU controller (1) setting.
7. A wellhead intelligent production control system according to claim 1, characterized in that: the RTU controller (1) is internally provided with a wireless communication module, the RTU controller (1) is in communication connection with an upper control system through the wireless communication module, and the upper control system comprises a remote computer.
8. A wellhead intelligent production control system according to claim 1, characterized in that: the measuring mechanism includes one or more of a liquid level sensor, a pressure sensor, a temperature sensor, and a flow sensor.
9. The intelligent wellhead production control system according to claim 1, wherein: the actuating mechanism is used for controlling the wellhead valve and comprises an electro-hydraulic actuating mechanism, an electric actuating mechanism and a pneumatic actuating mechanism.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202223002494.6U CN218413286U (en) | 2022-11-10 | 2022-11-10 | Well head intelligence production control system |
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| CN202223002494.6U CN218413286U (en) | 2022-11-10 | 2022-11-10 | Well head intelligence production control system |
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| CN218413286U true CN218413286U (en) | 2023-01-31 |
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| CN202223002494.6U Active CN218413286U (en) | 2022-11-10 | 2022-11-10 | Well head intelligence production control system |
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