Oil Well Production SCADA system
Part I: System Description
1.1. System Description
Oilfield automation information system including remote monitoring wells, distribution lines automation systems, oil pipeline leak monitoring, gathering and transportation monitoring stations, such as library automation in four parts, and its aim is to use the site monitoring system, the source of automated data collection, with oil now network resources are automatically loaded into the plant-level real-time database applications for all levels of management data to provide an open platform, so that the production and management and master control in a timely and dynamic production in order to achieve the automation of the entire production process; and can obtain real-time Statistical data, analysis, optimization, so as to guarantee the normal operation of production equipment, reduce production costs to provide an important basis.
1.2. Status
Throughout the production plant has been carried out to varying degrees, the pilot monitoring wells, the current number of participating companies are more levels of the various manufacturers have been doing experimental work, but also the size of individual manufacturers to promote the start.Also exposed a lot of problems, mainly in the well-site equipment, poor reliability, poor maintainability, poor can not afford oil at the scene of the working environment (including high temperature, low temperature, humidity and dust).Open enough data is often incompatible with each other manufacturers, the software can not share data, showing an island of automation.More than 10,000 national oil wells, monitoring wells have been adopted more than 10,000 wells will not be less than 10% of the total.
1.3. Design Idea
Objective:
Well Remote Monitoring System is well-head parameters of real-time detection, the use of polling - the communication response will be detected in the wells, and through wireless transmission to the oil factory in real-time database server, and to C / S or B / S model for production management of various departments of work and timely information on the status of oil wells, oil wells to reduce the processing time for failure to raise the rate of open wells to increase oil production and enhance efficiency.In addition, the oil well-head with the controller computing power, 6kV power lines for distribution automation system based on the data.
Principles:
Automation Engineering in accordance with the "unified planning, unified standards, unified database," the principle of construction, the system must consider the overall network communications, system security, open standards to ensure real-time database so that the whole system has high reliability and practicality.
System design follow the "practicality, openness, reliability, nature, scalability, easy maintenance," the basic principles to facilitate the operation, reliable operation for the implementation of the fundamental; program design is based on practical, easy to implement, but also focus on in the future, leave room for development.Technology commonly used in recent years the development and improvement of new technologies, new equipment, new systems, all of its hardware and software should be tested at the scene after the production, experience and reliability of advanced certification.
Oilfield automation systems throughout the local area network on the basis of the geographical features of each production plant located in a real-time data transmission control center (including communications processors, real-time database server, application server) for centralized management and storage area of the region oil production plant Well, 6KV power distribution lines, a joint station, the scene of a pipeline of real-time data so that the principle of open real-time database.
Constitute the whole system is as follows:
Program Description:
Wellhead controller indicator diagram collection wells, electricity, back pressure, temperature and other parameters, the CDMA / GPRS network or data radio to CDMA / GPRS data-transmission line method or the radio interface (RS232) communications access to production plant machines, real-time database server, factories and mines of the computer unit can be used client-side browser or the way a visit to the real-time database.Wellhead controller to change the past, only to take voltage and current RMS to model, but calculation of electric power real-time acquisition parameters for the distribution lines to provide the necessary automation system data.
Remote Terminal 6kV distribution lines, machine production plant communications, real-time database, distribution SCADA application servers, workstations, etc., the use of CDMA / GPRS network composed of distribution line automation system, distribution lines to achieve real-time performance monitoring and management .
Gathering Station library automation system and pipeline leak detection systems are relatively independent of a system, the LAN system of production data collection Oil Production Plant From real-time database, the realization of online data sharing.
Through the B / S mode, you can enable managers to view and query data in real-time plant-wide, to keep abreast of the situation at the scene of production.Through C / S mode of production data for statistical analysis.
In order to ensure consistency of the system clock, the GPS system is equipped with a dedicated clock for the synchronous system clock of the whole network, including from time to time with the FTU, SU when the distance of.
Machine communication system, real-time database server, application server and other important node hot standby dual machine configuration, the host and prepared to maintain the consistency of data between machines so that owners can be prepared by machine failure can be run at any time to switch.
Data center to configure dual network redundancy and isolation LAN and the oil fields, when the main network fails, prepare to switch network-based network can be run at any time.
Network security design, the use of firewalls, data encryption, network quarantine, user rights management technology and means to ensure network and information security.User rights management system users, including database management, user registration, user-level settings, user settings, such as the main contents of permissions.
At present, oil network has established a system of HIV prevention, HIV prevention and control of the system is therefore in accordance with a standardized implementation of oil.
1.4. Well Remote Monitoring System
Geographical distribution in accordance with the characteristics of oil wells and the development of wireless technology level, well to consider the use of remote monitoring system CDMA / GPRS data transmission or radio communication mode, the system mainly by the sensor, wellhead controller SU, CDMA / GPRS (digital radio) communication module DTU, oil extraction machine factory communications, real-time database server, WEB server, monitor components, such as browser terminal.The total system block diagram as shown above.
Well working condition sensor and temperature sensor transmitter main transmitter, pressure sensor and transmitter, current transformers, load sensor and transmitter unit, displacement sensor and transmitter, transformer primary side current mutual inductance , and they will work well converted into the corresponding state of voltage or current value to the well-head controller SU.And then by the CDMA / GPRS network or data radio, access to oil extraction machine factory communications, data communications machine wellhead controller polling data collection, data analysis by the treatment plant into the production of real-time database.Factories and mines of the computer unit according to different powers, the use of C / S or B / S mode for real-time database access.
System function
SU wells to pump the main voltage, current, well back pressure, temperature and other parameters of well-head measurements.Pumping wells mainly SU indicator diagram, voltage, current, well back pressure, temperature and other parameters of wellhead measurement, and retention of remote start and stop functions well.
Wellhead motor controller with active power, reactive power, power factor, and daily consumption of computing power and other parameters.
Electric submersible pump for wells shut down, voltage over-voltage, under voltage, current flow, less on the well-head back pressure too high, too low, such as anomaly detection alarm; of pumping wells shutdown, voltage over-voltage, under voltage, over current flow, less on the well-head back pressure too high, too low, too low load anomaly detection and other alarm.Instantaneous line calls, but also as a warning anomalies.
Production team to monitor local inquiries in accordance with administrative privileges can only work well in this team, and real-time receipt, and work-related communication module, and distribution line work.
Indicator diagram pumping wells, the current map (or the power diagram), in addition to regular collection preservation, the recovery team can be the basis of production of oil wells manually select number, ask for real-time indicator diagram, the current map (or power chart).
When the electric submersible pump wells overload shutdown failure appears, it will be within a minute of downtime before the three-phase current (Ia, Ib, Ic) with the line voltage (for example, Uab) data From the database, in order to pump the data to provide an analysis of fault diagnosis.
Production team to monitor machines with static data, such as browsing and editing functions: including unit type, configuration, electric models, the well No. Well, stroke, line name, range, the lower limit alarm, the lower limit of the status of oil wells and other data, and to add new oil wells, production wells to delete, modify operation of the basic data well.
System has the indicator diagram, the current map (or the power diagram), current, voltage and other parameters of the real-time trend, historical trend monitoring function, can easily understand the changes in the parameters of time to facilitate the rapid analysis.
System, graphics system may consider the geographic access to graphics to reflect the geographic information, can be very intuitive to reflect the image of the work of the whole oil situation.
Oil Production Plant, mining and related departments to query through the browser works, mining, the state of team work well with real-time data, stop the day well, the boot-up statistics, as well as historical data and historical records.
From the data to be pumping wells are: load (maximum and minimum), back pressure, wellhead temperature and current (Ia, Ib, Ic) (maximum and minimum values), voltage (Ua, Ub, Uc) RMS, active power, reactive power, power factor, the maximum current value up and down stroke, up and down-stroke power, balance the rate of daily consumption, cumulative power, red times, the system state, such as data acquisition time.Indicator diagram, the current map (or the power diagram) with the need for a red sub-load current (or power) of all the collected volume, each map data about 200.Therefore, the data volume of about 430 data, the basic data for the 30 data.
Electric submersible pump wells need to upload the data are: back pressure, wellhead temperature and current (Ia, Ib, Ic), voltage (Ua, Ub, Uc), variable active power, reactive power, power factor, and daily consumption of electricity, cumulative power consumption, system status, such as data acquisition time.Data volume of about 20 Data.
Master Production Team
Oil well production monitoring system is installed in the monitoring wells on the terminal, installed in the production of plant-level communications and data servers, such as recovery teams to monitor the user interface, on-site communications systems and management of communication system composed of five parts.System as follows:
Department of Engineering HMIBuilder monitoring wells, you can achieve data communications, data processing, order processing, alarm and event handling, security, control, graphical interface display functions, including through the setting of communication protocols and interfaces to communicate with field devices, access to site equipment collected data or send data to the field devices and instructions; communication software has been the scene of the raw data collected by the type of point conversion, to determine whether the need to generate alarm and data storage; issued to deal with the user's command, the command into a communications server control instructions, and coordination of multiple users at the same time issued an order of relations; achieve the effect of the alarm, warning and incident on the record, storage; management system for user authentication and authorization information, the system user authentication and permissions check.
System for the basic process:
Wells by the oil terminal is responsible for data collection, oil terminal load communication module, the data collected by the communication module to the Oil Production Plant Information Center is located in the communications server.After treatment, the data into real-time database.Oil Production Plant Application Server users access to system services, application server access to real-time database access to data.Operation initiated by the user, such as hand-response test data, configuration changes and so on, by the application server for processing and notify the communication server to perform the corresponding action.
System function
System has the following functions:
- (1) data acquisition function
- Data collected from time to time: the ability to collect a variety of channels can be delivered to the main station telemetry, remote, power other types of degrees and the measured data.
- System oil terminal data calls from time to time;
- On-Demand Data Collection: Oil Production Plant user terminals can be called at any time a request for data or wells;
- Communication control functions: start / stop on the well data collection terminals, switch the channel, such as end-use;
- Channel the quality of monitoring and fault diagnosis, communication flow calculation;
- GPS for time: the clock access to GPS signals, from time to time a unified system-wide clock, and the oil terminal when sent to the order;
- Statute to support a wide range of communications, a variety of communication channels;
- Add / Remove oil terminals, communication terminals modify parameters, such as address, the Statute of communications, data, call cycle, etc.;
- Modified oil terminal parameters, such as a variety of alarm limits, stroke unit, red times, and other parameters of the sensor range, and issued the necessary parameters to the oil terminal;
- (2) data-processing functions
- A matter of alarm processing functions: analog system can be set up alarm, the lower limit of the effective maximum and minimum levels, when more data can be generated when the alarm limits records.声光效果alarm can be defined or given voice alarm;
- Event log, the system records all user operations, communications, alarm events and terminals;
- Cycle data of different data types can be set to every variable that is kept in 10 minutes, 30 minutes, 60 minutes;
- Rights management.Are authorized to operate all systems control;
- (3) human-computer interaction function
- Interface cycle show: authorized users can choose to oil wells, so that basic information can be automatically cycle display interface;
- Alarm occurs, alarm screen automatically launched, and accompanied by sound or voice alarm;
- Shows the combination of well location information, such as on / off wells, the basic operation of data;
- Shows the combination of geographical location associated with the oil wells to run power lines, such as whether the power failure, etc.;
- Generation time of the acquisition parameters of the curve;
- Display indicator diagram: diagram of superposition and compared side by side;
- Calculation functions: to support the common functions function;
- Comprehensive historical data inquiries and generate statements;
- Kai remote on / off well.
- (4) statements of function
- Statement formats can be customized to generate EXCEL statements.
Distributed Control System
Industrial Ethernet using breakthrough technology, amazing vector graphics, HMITECH vertical and horizontal integration and system-level technology solutions, HMIBuilder2.0 software will make you fresh and new.It has a user-friendly, easy to operate, powerful, easy to expand the structure and so on.It contains the following sub-modules: real-time processing module SCADA, data configuration module Data, a window configuration module Draw, Window Control Module View, alarm browser module AlarmViewer, statements module configuration ReportDesign, script configuration module ScriptDebugger.Several modules which together form a whole, to meet the diverse needs of users.
HMIBuilder man-machine interface (HMI) configuration software is based on distributed software bus technology.Powerful network.Network through a user-friendly configuration, easy to share the load of network nodes to support a wide range of network topology.Intuitive user interaction configuration configuration, high reliability, real-time monitoring and man-machine interface system HMITECH seamless integration, you will receive high-cost performance of the system-level solutions.
Distributed HMIBuilder configuration software is opening up a high-performance and highly scalable HMI configuration software, the network is not only powerful, but also with sophisticated graphics tools and superior performance of the real-time and historical databases, applications for agency design industry unparalleled power and flexibility.Support for distributed software HMIBuilder standard fieldbus communications, provides industrial automation equipment and the most standard connectivity.
Whether you are engineers or operators, end users or system integrators, OEM or VAR, HMITECH HMIBuilder distributed software will be required to provide you with groundbreaking features, the project implementation and operation of the production process monitoring to ensure that you are able to achieve performance breakthrough to improve assessment.
Powerful, cutting-edge technology, industry standards, efficient use
HMIBuilder industrial configuration software is distributed, has been very good in power remote oilfield environmental protection, equipment, factory automation and other fields.HMIBuilder 2.0 generic version of configuration software with many features and performance, including:
- Powerful network function
- Distributed management, configuration and monitoring, support for stand-alone, single-network, network topology, such as dual-network.
- Network architecture, the nodes can be classified according to function, the realization of distributed architecture, a number of background and workstations, to achieve load sharing.
- Under the division to monitor the realization of multi-storey structure.
- Software Bus technology supported by HMIBuilder SCADA module, through the Industrial Ethernet to connect the physical nodes to form a soft bus.
- Complete database configuration
- Real-time database, real-time data retrieval faster.Hash algorithm used in real-time database, a large amount of data Quick Search!Points to support the smooth implementation of projects.Clear real-time configuration data structure.Station parameters for equipment to equipment based on the definition of the overall parameters of different data types.Script definition of local parameters of the calculation does not account for points configuration software.
- The history of the database configuration, data sets HMIBuilder database is saved to disk, savegroup database capacity of 4G.
- Save the script command support, you can respond to a variety of scheduling methods.Export to ODBC database support, support for statements such as the historical curve.
- Expansion of flexible configuration
- TCL (Tool Command Language) language, syntax is simple, easy to master, HMIBuilder expansion provides a wealth of TCL command
- Expansion of a wide range of standard communication, the full support of OPC2.0, support of DDE, the standard supports a variety of fieldbus communications and the Statute
- Powerful graphics metafunction Photo
- Bright, non-resolution adaptive function View window to meet the authenticity, clarity and attention requirements
- Full vector graphics, pixel-rich, fully consistent with the Windows graphics habits, so that software engineers, designers and non-procedure to quickly customize new applications;
- Graphics library to provide a large number of yuan into a Photo.Multiple sub-pixel group can be configured to view the sub-group element attributes can be modified sub-group element property; Photo million warehousing functions into a pre-built frightening comprehensive library of graphic symbols;
- Support third-party library of graphic symbols, such as the Symbol Factory Vision2.0 compatible with 4000 kinds of library automation category of vector million, and the script can be integrated to facilitate the completion of the second modified set; through reusability and standardization of the volume of savings in the project;
- Easy-to-use animation graphic element, select the configuration element attributes, configuration results immediately displayed.That is established can see!
- Safety and security configuration
- Alarm handling mechanism to improve and provide automatic alarm display, rapid voice alarm configuration, support for ODBC alarm automatically save and save to provide alarm and alarm browser browser graphic elements to support the distributed disk server alarm
- User rights management, the realization of the project configuration encryption protection, the protection of intellectual property rights configuration works.
High compatibility.Versions, customs, embedded, network-one.Systems to support Windwos 98 / 2000 / xp / xpe / vista.
HMIBuilder the HMITECH configuration software enables engineers to not only build an attractive, intuitive, safe, reliable and maintenance of HMI, SCADA and MES applications, but also with higher productivity and creativity, at the same time can reduce application development costs.
Description of the second part of the platform
2.1. Plant master client software and hardware
2.1.1. Hardware
Configuration based on the achievement of human-machine interfaces, industrial computers and servers, including the monitoring of workstations, communications servers and database servers.For example: IPC610H models PIII chassis, this machine is configured to Pentium series, matching CPU / hard disk / memory / drive / floppy drive / mouse / keyboard,全国联保.
 | Main Features
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IPC-610H | Main Board: PCA-6003V / CPU: PIII1G / Memory: 128MB SDRAM / Hard Drive: HDD 40GB |
PCA-6003 | Integrated VGA / LAN / HISA LCD SOCKET 370 PENTIUM III (TUALATIN) card (133MHZ FSB) Main Features |
2.1.2. Software
Distributed configuration software to solve your needs of industrial automation software, the ideal choice because the software:
Chart 2
- Provides a wide range of drawing tools, library, ease of use, and application of the industrial scene for many years, good stability.
- To maximize the development and utilization of product features Web2.0
- Sustained commitment to research and development, better customer service industries
- Microsoft Gold Partner with Advantech has a good all-round cooperative relations of long-term.
- Under the full range of Windows platform, using object-oriented programming technology development of industrial products
- Soft bus technology as the support, based on Industrial Ethernet, distributed control and configuration
- Powerful database to support the large number and large the history of Save the configuration
- Compatible with Windows 98,2000, NT, XP, XPE, CE, Vista
- Hardware and software integration to provide one-stop solution
- The use of encryption hardware and software licenses granted in two ways
- The introduction of the industrial market and the introduction of integrated software packages
Software features:
- The overall structure clear, easy to use.Software architecture and modular design in line with the cognitive curve, even if never exposed to the user configuration software training, after 2-4 hours you can work independently of the production in general, with the use of other configuration software will be more experienced users easy to use.
- Natural support structure of distributed network, enabling load-sharing, users may need to build any structure (single, C / S, B / S, distributed data acquisition, thin client, etc.) applications.Web browsing capabilities in support of its wide area network, can pass through most firewalls.Simple configuration, the entire configuration can be completed in a matter of minutes.
- Graphics package using a simple, powerful, than the United States in the professional graphics software.Screen a high degree of multiplexing to support graphics template library can be modified according to their needs.
- Bundled TCL (Tool Command Laguage) scripting language, script debugging support functions, including variable view, single-step execution, breakpoints to implement to help users check the script syntax error and logic error.Language is a complete TCL scripting language, widely used in various fields, scalability, and powerful.
- Custom built to support the statements can be made a variety of statements, simple, practical, beautiful and generous, and do not rely on third-party programs.
2.2. Remote wellhead control system
- Oil well controller functions:
- Detection of rod load, displacement, electrical voltage, current, well-head back pressure, temperature and other parameters of wellhead, pumping unit and has a remote control start and stop functions.
- Controller should have at least 1 day of data storage function.
- Able to calculate the electric power, electricity and so on.
- Long-range feature set, or configuration.
- Through RS232 or RS485 interface and communication devices, communication using polling - response model.
- Site maintenance provided by RS232 interface.
- Power supply based on well-head, the controller for in 110/380/660/1140 VAC ± 25% voltage levels.
- Provide standby power to ensure that the situation in the power of communication with a monitoring center, the data on the fat.Do recommend the use of standby power capacitors.
- Field instrument
- Temperature: sensor using industry standard PT100, the temperature transmitter.
- Wellhead pressure: The sensors and the Kunlun Coast or Beijing, when the transmitter's sensor and transmitter.
- Displacement sensor and the transmitter:
There are two types of displacement sensor, a sensor for the angular displacement, a displacement sensor for the absolute, angular displacement sensor characteristics of cheap, easy to install, the shortcomings of poor accuracy.Characteristics of the absolute displacement sensor measurement accuracy, but the installation of complex, expensive and easily damaged.Recommended selection of uniaxial and biaxial Axiomatic Finland angle sensor and displacement transducer, CAN bus communication, CAN Open protocol support.
Chart 2
Wellhead control cabinet