CN118008226A - RTU-based cabled intelligent layered injection-production Internet of things system and method - Google Patents
RTU-based cabled intelligent layered injection-production Internet of things system and method Download PDFInfo
- Publication number
- CN118008226A CN118008226A CN202410154787.0A CN202410154787A CN118008226A CN 118008226 A CN118008226 A CN 118008226A CN 202410154787 A CN202410154787 A CN 202410154787A CN 118008226 A CN118008226 A CN 118008226A
- Authority
- CN
- China
- Prior art keywords
- module
- data
- underground
- information
- internet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 26
- 238000012544 monitoring process Methods 0.000 claims abstract description 60
- 230000006854 communication Effects 0.000 claims abstract description 45
- 238000004891 communication Methods 0.000 claims abstract description 44
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 230000005540 biological transmission Effects 0.000 claims abstract description 43
- 238000002347 injection Methods 0.000 claims abstract description 42
- 239000007924 injection Substances 0.000 claims abstract description 42
- 230000008447 perception Effects 0.000 claims abstract description 24
- 238000012545 processing Methods 0.000 claims abstract description 18
- 238000007726 management method Methods 0.000 claims description 24
- 238000003860 storage Methods 0.000 claims description 12
- 230000008569 process Effects 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000001914 filtration Methods 0.000 claims description 7
- 230000003993 interaction Effects 0.000 claims description 5
- 230000003750 conditioning effect Effects 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 claims description 3
- 230000008030 elimination Effects 0.000 claims description 3
- 238000003379 elimination reaction Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000007175 bidirectional communication Effects 0.000 claims description 2
- 238000009826 distribution Methods 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims 1
- 239000010410 layer Substances 0.000 description 17
- 238000005516 engineering process Methods 0.000 description 14
- 230000004044 response Effects 0.000 description 10
- 238000013461 design Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 230000002159 abnormal effect Effects 0.000 description 6
- 230000009191 jumping Effects 0.000 description 6
- 239000003129 oil well Substances 0.000 description 6
- 125000004122 cyclic group Chemical group 0.000 description 3
- 238000013524 data verification Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000005457 optimization Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000001413 cellular effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/20—Displacing by water
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/14—Obtaining from a multiple-zone well
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
- H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Signal Processing (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Geophysics (AREA)
- Medical Informatics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Computing Systems (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
The embodiment of the disclosure discloses a system and a method for a cabled intelligent layered injection-production Internet of things based on RTU, wherein the system can comprise: the system comprises a perception identification system, an information transmission system and a remote monitoring system, wherein the perception identification system is communicated with the information transmission system based on a Modbus/RTU communication protocol, and the information transmission system is communicated with the remote monitoring system based on the Modbus/TCP communication protocol, and the perception identification system is used for acquiring underground reservoir data and transmitting the underground reservoir data to a ground control box through a cable; the information transmission system is used for remotely transmitting the acquired underground reservoir data based on the RTU; the remote monitoring system is used for receiving and processing the real-time data of the water injection well and issuing control instructions to realize remote monitoring management.
Description
Technical Field
The embodiment of the disclosure relates to the technical field of intelligent oil field injection and production, in particular to a cabled intelligent layered injection and production Internet of things system and method based on (Remote Terminal Unit, RTU).
Background
Because of the complex and various types of reservoir storage and the fact that the underground reservoirs are usually multi-layered, most oil fields are early in water breakthrough and high in water content rising speed, and the structural composition, temperature, pressure, oil-water content ratio and the like of each reservoir are different, the non-uniformity among layers is serious. As fields develop, the inter-layer relationships become more complex, and intelligent injection and production techniques have evolved in order to achieve reasonable and reliable development of fields. The main flow of the layered injection and production technology is mainly full electric control, two large intelligent injection and production technology technologies, namely cable-type intelligent injection and production technology and cable-type intelligent injection and production technology are formed, and an oil gas production Internet of things system oriented to production operation processes is established through continuous optimization algorithms and models on the basis of real-time dynamic data.
Patent CN201820992995.8 is an oilfield RTU monitoring system, which collects real-time data of field devices through wellhead instrument devices arranged at the wellhead of an oil well, transmits the real-time data to the wellhead RTU device, cooperates with a field video monitor, transmits field measured well site data and video to an oilfield server through an industrial switch, and realizes comprehensive monitoring of a well site. Patent cn202020835458.X a downhole electrohydraulic group control intelligent completion system comprising: the system comprises a ground control device, two hydraulic control pipelines, a control cable and at least one underground injection and production tool; the underground electrohydraulic group control intelligent well completion system capable of remotely controlling the flow regulation of a plurality of underground production layers through two control pipelines and one cable can realize stepless regulation and control of the flow regulation of the plurality of production layers, effectively shorten the time of the flow regulation and ensure the accuracy of the flow regulation. The patent CN202320621541.0 discloses a monitoring system for an intermittent oil well, which is characterized in that a wellhead RTU monitoring terminal is arranged at the wellhead position, an angular displacement sensor, a load sensor and a three-phase electric parameter acquisition and frequency converter are arranged on a pumping unit, a casing pressure transmitter, a working fluid level monitor, a water content monitor and an oil pipe back pressure transmitter are arranged on an oil pipeline at the wellhead and the wellhead to form a monitoring system, so that the omnidirectional data acquisition and monitoring of the pumping unit and the oil well are realized.
For the technical scheme in the patent, the intelligent injection and production system between wells is mainly based on the design of a monitoring system from an oil well wellhead to an upper computer server at present, but the whole set of layered injection and production system from underground to cloud architecture is rarely researched at present. Due to the complex underground environment, the problems of unstable or even interruption of data transmission and safety transmission during data cloud up can be caused by the complex underground environment and cable resistance-capacitance drift in the data uploading process.
Disclosure of Invention
In view of the above, the embodiments of the present disclosure expect to provide a system and a method for a cabled intelligent layered injection-production internet of things based on RTU, which can realize full penetration between underground and cloud, improve the visualization degree and scientific decision-making capability of the production process, and realize the combination of informatization technology and traditional oilfield production industry.
The technical scheme of the embodiment of the disclosure is realized as follows:
In a first aspect, an embodiment of the present disclosure provides a system of a cabled intelligent layered injection-production internet of things based on an RTU, the system including: the system comprises a perception identification system, an information transmission system and a remote monitoring system, wherein the perception identification system is communicated with the information transmission system based on a Modbus/RTU communication protocol, the information transmission system is communicated with the remote monitoring system based on the Modbus/TCP communication protocol, and the information transmission system is connected with the information transmission system based on the Modbus/TCP communication protocol,
The perception recognition system is used for collecting underground reservoir data and transmitting the underground reservoir data to the ground control box through a cable;
the information transmission system is used for remotely transmitting the acquired underground reservoir data based on the RTU;
the remote monitoring system is used for receiving and processing the real-time data of the water injection well and issuing control instructions to realize remote monitoring management.
In a second aspect, an embodiment of the present disclosure provides a method for a cabled intelligent layered injection-production internet of things based on an RTU, where the method includes:
receiving a control instruction sent by a remote monitoring system and transmitting the control instruction to a perception recognition system, so that each sensor in the perception recognition system acquires reservoir data according to the control instruction;
Receiving and processing the reservoir data, and transmitting the processed reservoir data to a wellsite upper computer for data format conversion to obtain a data packet conforming to an Internet of things cloud platform;
and transmitting the data packet to an Internet of things cloud platform to perform centralized interaction management.
The embodiment of the disclosure provides a system and a method for cable intelligent layered injection and production Internet of things based on RTU, wherein the system comprises: the intelligent layered injection and production Internet of things system based on the RTU is simple and convenient to operate and control, can obtain comprehensive water injection data, improves dynamic allocation of layered water injection, reduces water well management cost and improves water injection efficiency.
Drawings
Fig. 1 is a block diagram of an RTU-based cabled intelligent layered injection-production internet of things system according to an embodiment of the present disclosure;
FIG. 2 is a block diagram of a perception recognition system provided in an embodiment of the present disclosure;
fig. 3 is a design block diagram of uploading ground information to an internet of things cloud platform according to an embodiment of the present disclosure;
FIG. 4 is a flowchart of a method for providing a cabled intelligent layered injection-production Internet of things based on an RTU according to an embodiment of the present disclosure;
Fig. 5 is a flow chart of data communication between a monitoring terminal and an upper computer at a well site according to an embodiment of the disclosure.
Detailed Description
The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure.
The existing intelligent injection and production technology generally adopts a layered injection and production technology, wherein the layered injection and production technology mainly adopts full electric control, two large types of intelligent injection and production technology, namely cable injection and production technology and cable free technology, are formed, and an oil gas production Internet of things system oriented to production operation process is established through continuous optimization algorithm and model based on real-time dynamic data. But the oil gas production internet of things system is based on the design of an inter-well intelligent injection and production system and the design of a monitoring system from an oil well wellhead to an upper computer server, but the research on the whole set of layered injection and production system from underground to cloud architecture is very little at present. Due to the complex underground environment, the problems of unstable or even interruption of data transmission and safety transmission during data cloud up can be caused by the complex underground environment and cable resistance-capacitance drift in the data uploading process. Based on this, the embodiment of the disclosure expects to provide a technical scheme of the cabled intelligent layered injection-production internet of things based on the RTU, and the system is managed in a layered manner and divided into a perception recognition layer, an information transmission layer and a comprehensive application layer, and accordingly, each layer completes corresponding functions through corresponding subsystems. According to the technical scheme, the technical characteristics of the Internet of things and the specific requirements of layered injection and production can be combined, a simple and efficient Internet of things monitoring management system is provided for layered injection and production, and the construction of the layered injection and production Internet of things system of a cloud-end architecture is completed according to the functions of data acquisition sensing, data transmission convergence, data application and the like, so that the complete penetration of the Internet of things in an oil-water well injection and production service chain is realized.
Referring to fig. 1, which illustrates a block diagram of an RTU-based cabled intelligent, layered injection and production internet of things system 100 capable of implementing embodiments of the present disclosure, it is noted that the system 100 illustrated in fig. 1 is merely one example of a possible system, and that embodiments of the present disclosure may be implemented in any of a variety of systems as desired. The composition of the system 100 may be specifically any type of computing device including, but not limited to, a desktop computer, a server, a workstation, a laptop computer, a computer-based emulator, a wireless device, a mobile or cellular telephone (including so-called smart phones), a Personal Digital Assistant (PDA), a video game console (including a video display, a mobile video game device, a mobile video conferencing unit), a laptop computer, a desktop computer, a television set-top box, a tablet computing device, an electronic book reader, a fixed or mobile media player, and the like. As shown in fig. 1, the composition of the system 100 may include: a perception identification system 10, an information delivery system 20, and a remote monitoring system 30, the perception identification system 10 in communication with the information delivery system 20 based on a Modbus/RTU communication protocol, the information delivery system 20 in communication with the remote monitoring system 30 based on a Modbus/TCP communication protocol, wherein,
The perception recognition system 10 is used for collecting underground reservoir data and transmitting the underground reservoir data to a ground control box through a cable;
the information transmission system 20 is used for remotely transmitting the collected underground reservoir data based on the RTU;
The remote monitoring system 30 is configured to receive and process real-time data of the water injection well and issue control commands to implement remote monitoring management.
It should be noted that Modbus is a communication protocol used for data communication between devices in an industrial automation and control system. It is an open communication protocol commonly used to connect monitoring devices, sensors, actuators, and other automation devices. The Modbus protocol may enable data transmission via serial communications, such as via a recommended standard (Recommended Standard, RS) 232 communications interface, an RS485 communications interface, or an Ethernet registration interface (REGISTERED JACK, RJ) 45 communications interface, so that devices of different vendors may communicate and exchange data. Modbus protocols are commonly used in monitoring and control systems such as factory automation, building automation, energy management systems, and the like. The Modbus/TCP is an Ethernet-based Modbus communication protocol, and is based on a transmission control protocol/Internet protocol (Transmission Control Protocol/Internet Protocol, TCP/IP) protocol, and does not need cyclic redundancy check (Cyclic Redundancy Check, CRC). It allows the Modbus protocol to communicate over a TCP/IP network so that devices can exchange and control real-time data over ethernet connections. The Modbus/RTU is a Modbus communication protocol based on serial communication, a remote terminal unit (Remote Terminal Unit, RTU) uses binary codes to transmit data, and CRC check is used for ensuring the integrity of the data, and the Modbus/RTU generally performs data transmission through serial communication interfaces such as RS485 or RS 232.
For the system 100 shown in fig. 1, in some possible implementations, the perception recognition system 10 includes: the underground information acquisition system is connected with the ground control system through a cable; wherein,
The underground information acquisition system is used for completing real-time acquisition of temperature, pressure, flow and water content information of all layers of underground layers, and adjusting the opening of the water nozzle of each layer of water distributor in real time through control instructions;
In some examples, the downhole information gathering system may include one or more water distributors, such as water distributor 1, water distributor 2, and water distributor 3 (3 being examples) as shown in fig. 1.
The cable is used for supplying power to all components in the underground information acquisition system and realizing bidirectional communication among all the components;
In some examples, the cable is a single core steel tube cable.
The ground control system is used for providing a working power supply for a flow sensor, a temperature sensor and a pressure sensor in the underground information acquisition system through the cable, issuing control instructions, receiving underground transmitted injection allocation information and storing underground daily water allocation data. As shown in fig. 1, the surface control system includes one or more surface hosts, i.e., a surface control box, such as surface host 1, surface host 2, and surface host 3 (3 are examples), where each surface host acts as an RTU slave station. Each ground host corresponds to one underground information acquisition system. In some examples, the surface host is configured to perform format conversion of reservoir data and multi-channel acquisition and processing of downhole digital quantity signals and to transmit the digital quantity signals to an information transmission system.
For the above implementation, referring specifically to fig. 2, a block diagram of a perception recognition system provided by an embodiment of the present disclosure is shown, as shown in fig. 2, in some examples, the downhole information gathering system includes: the water distributor control module, the flow sensor, the temperature sensor, the pressure sensor, the voltage conversion module and the liquid amount adjusting module,
The water distributor control module is used for issuing control instructions to the modules and receiving the acquired reservoir data of the modules;
The flow sensor, the temperature sensor and the pressure sensor are respectively used for acquiring the flow, the temperature, the pressure and the water content of each underground interval in real time;
The voltage conversion module is used for converting direct current provided by the main control module of the ground control box through a cable into voltage required by other underground modules;
The liquid amount adjusting module is used for controlling the opening degree of the water nozzle of the water distributor so as to adjust the flow.
For the above implementation or example, since each well needs to be provided with a surface host at the surface corresponding to it, the surface host or hosts form a surface control system. As shown in fig. 2, in some examples, the surface host includes: the ground control box comprises a main control module, a power management module, a storage module, a signal conditioning module, a decoding module and an on-well data transmission module,
The main control module of the ground control box is used for sending the direct current generated by the power management module to the underground information acquisition system through a single-core steel pipe cable and receiving and transmitting temperature, pressure and flow information of a plurality of production layers acquired by the underground information acquisition system;
The power management module is used for supplying power to a flow sensor, a temperature sensor and a pressure sensor in the underground information acquisition system;
It should be noted that because of the large well depth, voltage loss due to cable drop and its effect on the downhole power supply voltage must be considered, and it must be ensured that the electrical energy transmitted downhole has sufficient power to provide a voltage matching the downhole information acquisition system and as little noise interference as possible.
The decoding module is used for decoding the signals;
the storage module is used for storing underground water distribution data;
The signal conditioning module is used for amplifying, filtering and comparing the temperature, pressure and flow information of a plurality of production layers acquired by the underground information acquisition system, and then sending the information into the decoding module for decoding so as to obtain monitoring information of each reservoir;
the aboveground data transmission module is used for transmitting the information of the underground reservoir and issuing control instructions of the remote monitoring system.
For the system 100 shown in fig. 1, in some possible implementations, the information transmission system includes: the monitoring terminal is used as an RTU master station, is configured to receive, process and store the data of the storage layer acquired by the field device processed by the ground host through the RS485 serial interface, and sends the processed data to a well site upper computer in the remote monitoring system through the Ethernet interface RJ 45.
For the above implementation manner, referring to fig. 3, a design block diagram of uploading ground information to an internet of things cloud platform provided by the embodiment of the present disclosure is shown, in some examples, the ground control system further needs to remotely transmit the reservoir data collected by the downhole information collection system, specifically, the information transmission system remotely transmits the reservoir data collected by the downhole information collection system, a monitoring terminal in the information transmission system adopts a basic architecture of a micro control unit (Micro Controller Unit, MCU) also called a single-chip microcomputer and an ethernet module, where the micro control unit may select a high-performance RISC machine (ADVANCED RISC MACHINES, ARM) processor, and the ARM processor is a low-power-consumption reduced instruction set computer (Reduced Instruction Set Computer, RISC) microprocessor. Specifically, an ARM series singlechip is used as a main control chip of the information transmission system, and other modules are added to fulfill the design requirement. In some examples, the monitoring terminal includes: MCU, power module, storage module, RS485 communication module, ethernet module and global positioning system (Global Positioning System, GPS) positioning module, wherein,
The MCU is used for controlling each module to complete corresponding operation, and comprises the following steps: the digital filtering module is used for changing the relative proportion of frequency components contained in an input signal or filtering out certain frequency components; the parameter calculation module is used for converting the acquired sensor electric signals into physical quantities to be measured through operation;
The power module is used for providing power for the digital signal processor, the microprocessor and the memory;
The storage module is used for storing instructions and data;
The RS485 communication module is used for receiving a digital quantity signal sent by a main control module of a ground control box of a ground control system and carrying out interference elimination processing on the digital quantity signal;
The Ethernet module is used for sending the processed reservoir data to the well site upper computer through an Ethernet interface RJ 45;
The GPS positioning module is used for performing GPS positioning and acquiring longitude and latitude information of the GPS positioning module.
For the system 100 shown in fig. 1, in some possible implementations, the remote monitoring system includes: the well site upper computer, the internet of things cloud platform and one or more users, wherein,
The well site upper computer is used for realizing the monitoring and management of field devices with a monitoring terminal through a Modbus/TCP standard Protocol, and then sending data to an Internet of things cloud platform through a wireless network enhanced equipment Protocol (ENHANCED DEVICE Protocol, EDP) for real-time monitoring;
the cloud platform of the Internet of things is used for carrying out centralized interaction management on equipment data;
the one or more users, e.g., user 1, user 2, and user 3 (3 for example), are used to view the water-injected layer data remotely and dynamically and download the historical data as needed.
In some examples, the internet of things cloud platform is OneNet internet of things open platform, and integrated cloud monitoring management in a hybrid cloud environment is achieved through the OneNet internet of things open platform. Specifically, the wellsite upper computer sends production data of an oil well to the OneNet open platform of the internet of things through an EDP protocol, centralized interactive management is carried out on equipment data through the platform, the wellsite upper computer provides a platform for a manager to movably inquire equipment states, the manager is user 1, user 2 and user 3 shown in fig. 1, the data are extracted from the OneNet open platform of the internet of things and are visually displayed, and centralized display, storage and control of the data are completed. The manager can view the data remotely and dynamically and download the historical data according to the need.
Before the device is connected to OneNet to the open platform of the internet of things, preparation work before the connection is performed on the open platform of the internet of things OneNet, namely, registration of a developer is performed on the platform, after the registration is completed, a product can be created to edit, a new product is created under an account, a connection mode of the device and a device connection rule are configured, the product is created, and then related editing work such as adding the device, adding a data stream and the like is performed on the product.
For the system 100 shown in fig. 1, in some examples, the monitoring terminal is used as a cloud bridge for down-hole reservoir data, and is further configured to receive and send a polling command, directly communicate with each ground host in a visual range of 300 meters, and can control at most 200 wells, each well contains multiple layers of injection and production information, and send each ground host, that is, each layer of injection and production information processed by the RTU slave station, to the internet of things cloud platform in an encrypted transmission manner, and encrypt sensitive data by using an application layer encryption technology when the data is stored in a cloud and a disk, so as to ensure safe transmission, integrity verification and tamper resistance of the data. Therefore, the comprehensive sensing, reliable transmission and intelligent application of the production process of the injection and production unit are realized, the visual degree and scientific decision making capability of the production process are improved, and the combination of an informatization technology and the traditional oilfield production industry is realized.
Based on the above example, based on the monitoring terminal, the system 100 is specifically configured to execute the method of the RTU-based cabled intelligent hierarchical injection-production internet of things shown in fig. 4, where the method may include:
s401: receiving a control instruction sent by a remote monitoring system and transmitting the control instruction to a perception recognition system, so that each sensor in the perception recognition system acquires reservoir data according to the control instruction;
s402: receiving and processing the reservoir data, and transmitting the processed reservoir data to a wellsite upper computer for data format conversion to obtain a data packet conforming to an Internet of things cloud platform;
S403: and transmitting the data packet to an Internet of things cloud platform to perform centralized interaction management.
Aiming at the technical scheme shown in fig. 4, the information transmission system is used as an intermediate layer of the intelligent layered injection-production internet of things system, a control instruction sent by the remote monitoring system is received by the monitoring terminal in the information transmission system and is transmitted to the perception recognition system, so that each sensor in the perception recognition system collects reservoir data according to the control instruction, receives the reservoir data and processes the reservoir data, the processed reservoir data are transmitted to the internet of things cloud platform, real-time state information of a water injection well is timely and accurately obtained by the remote monitoring system, the RTU-based cabled intelligent layered injection-production internet of things system is easy and convenient to control, comprehensive water injection data can be obtained, dynamic allocation of layered water injection is improved, water well management cost is reduced, and water injection efficiency is improved.
For the technical scheme shown in fig. 4 and the system shown in fig. 1, specifically, referring to the design block diagram shown in fig. 3, in detail, a ground host in a ground control system receives reservoir data collected by each sensor in the underground information collection system, obtains a digital quantity signal from an RS485 communication module, performs interference elimination processing on the digital quantity signal, directly transmits the digital quantity signal into an ARM chip, and performs digital filtering and parameter calculation on the obtained communication data. According to the communication protocol with a lower computer, namely a main control module of a ground control box, required sensor data are analyzed, data are compressed and packed according to the instruction requirement issued by an upper computer server, namely a well site upper computer, the packed data are uploaded to the well site upper computer through an Ethernet port, and the well site upper computer uploads the packed data to an Internet of things cloud platform according to the data format of an Internet of things cloud platform JSON packet through an EDP protocol.
In some examples, the packaged data is uploaded to the wellsite host through an ethernet port, specifically, a communication model between a monitoring terminal and the wellsite host is a client/server model, the monitoring terminal is a server, the wellsite host is a client, and the whole program consists of two parts of a TCP connection management task and a data communication task. In the TCP connection management task, socket communication is established first, and after binding a local IP address, a socket function waits for connection. The monitoring terminal is connected with the wellsite host computer and then enters a data communication task, and a data communication task flow chart is shown in fig. 5, which shows a data communication flow chart of the monitoring terminal and the wellsite host computer, specifically,
S501: the monitoring terminal waits for receiving a request of an upper computer of the well site;
The request may be a request to establish a connection or a request to send a command or data.
S502: if the request is received, jumping to step S503 if yes, otherwise jumping to step S501;
S503: checking whether the data format is legal, if so, jumping to step S504, otherwise, jumping to step S507;
The process of checking whether a data format is legal is commonly referred to as data verification or data verification. In data communication, data verification is a process for checking whether a data format is legal. It is often referred to using a checksum, cyclic redundancy check, or other check method to ensure that the data is not corrupted or tampered with during transmission, helping to ensure the integrity and accuracy of the data and thus ensuring that the communication between the devices is reliable.
S504: processing the request;
s505: judging whether the processing is normal, if so, jumping to the step S506, otherwise, jumping to the step S507;
s506: if the processing is normal, generating a normal response packet;
The normal response packet generally includes: status code, data field, check field, and possibly other control fields, wherein the status code: status information indicating whether the communication or operation was successful. The data field: containing the requested data or corresponding information. The check field: check codes used to verify the integrity and accuracy of the data. The other possible control fields: other control fields may also be included, depending on the communication protocol and the requirements of the particular application.
S507: if the processing is abnormal, generating an abnormal response packet;
The exception response packet typically includes the following: error codes, i.e. indicating what type of error or anomaly has occurred. Error messages, i.e., descriptions of errors or anomalies, provide more information to aid in diagnosing problems. Possible solutions, i.e. some abnormal response packages may contain suggested solutions or further actions. The exception reply packet is a message informing the initiator of the communication that an error or exception occurred and providing the necessary information to handle the problems. These may vary depending on the particular communication protocol and application requirements.
S508: and sending the response packet and ending the communication flow.
And processing the request of the upper computer, generating a normal response packet after processing normally and sending the normal response packet to the upper computer, ending the normal communication process once, and generating an abnormal response packet and sending the abnormal response packet to the upper computer if the data format is illegal or the processing is abnormal.
It should be noted that: the technical schemes described in the embodiments of the present disclosure may be arbitrarily combined without any conflict.
The foregoing is merely specific embodiments of the disclosure, but the protection scope of the disclosure is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the disclosure, and it is intended to cover the scope of the disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (10)
1. RTU-based cabled intelligent layered injection-production Internet of things system is characterized in that the system comprises: the system comprises a perception identification system, an information transmission system and a remote monitoring system, wherein the perception identification system is communicated with the information transmission system based on a Modbus/RTU communication protocol, the information transmission system is communicated with the remote monitoring system based on the Modbus/TCP communication protocol, and the information transmission system is connected with the information transmission system based on the Modbus/TCP communication protocol,
The perception recognition system is used for collecting underground reservoir data and transmitting the underground reservoir data to the ground control box through a cable;
the information transmission system is used for remotely transmitting the acquired underground reservoir data based on the RTU;
the remote monitoring system is used for receiving and processing the real-time data of the water injection well and issuing control instructions to realize remote monitoring management.
2. The system of claim 1, wherein the perceptual recognition system comprises: the underground information acquisition system is connected with the ground control system through a cable; wherein,
The underground information acquisition system is used for completing real-time acquisition of temperature, pressure, flow and water content information of all layers of underground layers, and adjusting the opening of the water nozzle of each layer of water distributor in real time through control instructions;
The cable is used for supplying power to all components in the underground information acquisition system and realizing bidirectional communication among all the components;
The ground control system is used for providing a working power supply for a flow sensor, a temperature sensor and a pressure sensor in the underground information acquisition system through the cable, issuing control instructions, receiving underground transmitted injection allocation information and storing underground daily water allocation data.
3. The system of claim 2, wherein the downhole information acquisition system comprises: the water distributor control module, the flow sensor, the temperature sensor, the pressure sensor, the voltage conversion module and the liquid amount adjusting module,
The water distributor control module is used for issuing control instructions to the modules and receiving the acquired reservoir data of the modules;
The flow sensor, the temperature sensor and the pressure sensor are respectively used for acquiring the flow, the temperature, the pressure and the water content of each underground interval in real time;
The voltage conversion module is used for converting direct current provided by the main control module of the ground control box through a cable into voltage required by other underground modules;
The liquid amount adjusting module is used for controlling the opening degree of the water nozzle of the water distributor so as to adjust the flow.
4. The system of claim 2, wherein the surface control system comprises one or more surface hosts for performing format conversion of reservoir data and multi-channel acquisition and processing of downhole digital quantity signals and transmitting the digital quantity signals to an information transmission system.
5. The system of claim 4, wherein the surface host comprises: the ground control box comprises a main control module, a power management module, a storage module, a signal conditioning module, a decoding module and an on-well data transmission module,
The main control module of the ground control box is used for sending the direct current generated by the power management module to the underground information acquisition system through a single-core steel pipe cable and receiving and transmitting temperature, pressure and flow information of a plurality of production layers acquired by the underground information acquisition system;
The power management module is used for supplying power to a flow sensor, a temperature sensor and a pressure sensor in the underground information acquisition system;
the decoding module is used for decoding the signals;
the storage module is used for storing underground water distribution data;
The signal conditioning module is used for amplifying, filtering and comparing the temperature, pressure and flow information of a plurality of production layers acquired by the underground information acquisition system, and then sending the information into the decoding module for decoding so as to obtain monitoring information of each reservoir;
the aboveground data transmission module is used for transmitting the information of the underground reservoir and issuing control instructions of the remote monitoring system.
6. The system of claim 1, wherein the information transfer system comprises: the monitoring terminal is used as an RTU master station, is configured to receive, process and store the data of the storage layer acquired by the field device processed by the ground host through the RS485 serial interface, and sends the processed data to a well site upper computer in the remote monitoring system through the Ethernet interface RJ 45.
7. The system of claim 6, wherein the monitoring terminal comprises: MCU, power module, storage module, RS485 communication module, ethernet module and GPS positioning module, wherein,
The MCU is used for controlling each module to complete corresponding operation, and comprises the following steps: the digital filtering module is used for changing the relative proportion of frequency components contained in an input signal or filtering out certain frequency components; the parameter calculation module is used for converting the acquired sensor electric signals into physical quantities to be measured through operation;
The power module is used for providing power for the digital signal processor, the microprocessor and the memory;
The storage module is used for storing instructions and data;
The RS485 communication module is used for receiving a digital quantity signal sent by a main control module of a ground control box of a ground control system and carrying out interference elimination processing on the digital quantity signal;
The Ethernet module is used for sending the processed reservoir data to the well site upper computer through an Ethernet interface RJ 45;
The GPS positioning module is used for performing GPS positioning and acquiring longitude and latitude information of the GPS positioning module.
8. The system of claim 1, wherein the remote monitoring system comprises: the well site upper computer, the internet of things cloud platform and one or more users, wherein,
The well site upper computer is used for realizing the monitoring and management of field devices with a monitoring terminal through a Modbus/TCP standard protocol, and then sending data to an Internet of things cloud platform through a wireless network EDP protocol for real-time monitoring;
the cloud platform of the Internet of things is used for carrying out centralized interaction management on equipment data;
The one or more users are used for remotely and dynamically viewing the water injection layer data and downloading historical data as required.
9. The system of claim 8, wherein the internet of things cloud platform is a OneNet internet of things open platform.
10. A method of a cabled intelligent layered injection and production internet of things based on RTU, characterized in that the method is applied to the system of any one of claims 1 to 9, the method comprising:
receiving a control instruction sent by a remote monitoring system and transmitting the control instruction to a perception recognition system, so that each sensor in the perception recognition system acquires reservoir data according to the control instruction;
Receiving and processing the reservoir data, and transmitting the processed reservoir data to a wellsite upper computer for data format conversion to obtain a data packet conforming to an Internet of things cloud platform;
and transmitting the data packet to an Internet of things cloud platform to perform centralized interaction management.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410154787.0A CN118008226A (en) | 2024-02-02 | 2024-02-02 | RTU-based cabled intelligent layered injection-production Internet of things system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410154787.0A CN118008226A (en) | 2024-02-02 | 2024-02-02 | RTU-based cabled intelligent layered injection-production Internet of things system and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118008226A true CN118008226A (en) | 2024-05-10 |
Family
ID=90957884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410154787.0A Pending CN118008226A (en) | 2024-02-02 | 2024-02-02 | RTU-based cabled intelligent layered injection-production Internet of things system and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118008226A (en) |
-
2024
- 2024-02-02 CN CN202410154787.0A patent/CN118008226A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11513503B2 (en) | Monitoring and controlling industrial equipment | |
| US10652761B2 (en) | Monitoring and controlling industrial equipment | |
| CN100392539C (en) | Method and process managment system for operation of technical plant | |
| CN106843169A (en) | For the system and method for the self-configuring of remote-terminal unit | |
| US10579050B2 (en) | Monitoring and controlling industrial equipment | |
| MX2010008773A (en) | System and method for using dual telemetry. | |
| CN102375437A (en) | Device and method for data acquisition and transmission during wireless production process based on IEEE802.15.4 protocol and PLCs (programmable logic controllers) | |
| AU2004242120A1 (en) | Wireless well communication system and method for using the same | |
| CN104834248B (en) | For the multi-purpose data processing circuit of well monitoring | |
| CN107566528A (en) | Sewage treatment plant's monitoring system based on high in the clouds data sharing | |
| CN103123470A (en) | Method for controlling a field device | |
| CN102624593A (en) | Intelligent terminal used for integrating variant equipment of internet of things (IOT) | |
| CN103362499A (en) | Underground and ground information transmission data switching system and method | |
| CN103905410A (en) | Multi-channel communication protocol converter capable of converting user-defined protocol to Modbus protocol | |
| CN104678798A (en) | Method for operating a field device | |
| CN105553838A (en) | ARM-based embedded gateway accessing PROFIBUS-DP to Wi-Fi and communication method thereof | |
| CN105425693A (en) | Valve remote wireless monitoring system and method based on wireless intelligent terminal | |
| CN202954804U (en) | Petroleum drilling machine wireless remote monitoring system | |
| CN118008226A (en) | RTU-based cabled intelligent layered injection-production Internet of things system and method | |
| CN102748006B (en) | Underground work remote supervision system | |
| CN110708394A (en) | Data transmission method, unit, system, acquisition terminal and central server | |
| CN203552252U (en) | Data conversion device based on internet of things | |
| US20140031955A1 (en) | Connecting device, system and method for signal transmission between a control center and at least one field device in an industrial installation | |
| CN210605442U (en) | Based on special LORA wireless communication control system of nuclear power station PLC | |
| CN112383894A (en) | Centralized ship-shore data monitoring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |