Internet of things application example-oil and water well production remote monitoring analysis and optimization system
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Dagang Oilfield remote monitoring analysis optimization system case
The oil well production remote monitoring and analysis optimization system remotely collects the oil well’s power map, pressure, temperature, current, power, torque and other data through the network to realize real-time diagnosis of oil well production conditions; remote real-time fluid production measurement; electricity consumption measurement and energy consumption Analysis; application of torque method, electric energy method, power curve method, etc. to calculate and adjust the balance of pumping units; optimization design of oil well working parameters based on diagnosis; release of expert solutions based on diagnosis and optimization design results; diagnosis and analysis based on oil well conditions As a result of process parameter design, the “large closed loop” intelligent control of oil wells can be realized remotely and in real time.
The water injection well production remote monitoring analysis optimization system collects data such as pressure and flow rate of the water injection well remotely through the network, compares the current flow and the injection volume according to the water distribution requirements of the water injection well, and uses the PID algorithm to automatically adjust the valve opening. At the same time, the real-time flow data, accumulated flow data and various pressure data are transmitted to the RTU, and the data is transmitted back to the calculation server of the oilfield enterprise intranet using the CDMAGPRS network. The working condition analysis and optimization server performs data statistics such as over-limit alarm, water injection calculation, reports, curves, and diagrams on the data collected by the on-site monitoring terminal; working condition analysis; parameter optimization design, etc. According to the authority and management scope set by the system, the Web publishing system performs customized query, statistics, and display of the managed wells. The system enables the water injection equipment to have the five functions of “computing, network communication, precise control, remote collaboration and autonomy” of the Internet of Things.
Since 2005, Dagang Oilfield has passed trials, demonstrations, and comprehensive promotion. By the end of 2009, a total of more than 2,000 oil-water wells production remote monitoring and analysis optimization systems have been implemented, realizing real-time production acquisition, real-time calculation, real-time diagnosis, real-time optimization, and real-time production of oil-water wells. Release and real-time control have strongly promoted the development of automation, informatization, and digitization of the oilfield. In 2007, it was established as the “Gangxi Model”.
The “Gangxi Model” provides a model for the construction of new petroleum Internet of Things projects. The core technology of “Gangxi Model” is a set of technologies based on automation technology, computer technology, network technology, system engineering technology, and oil and gas field development expertise, with the purpose of improving oil field digitization level, oil well production, system efficiency, and simplifying surface processes, collecting data Collection, data management, production dynamic prediction, engineering analysis, remote metering, oil well fault diagnosis, system efficiency and loss composition, optimization design, measure plan release, intelligent control is an expert system. This technology conforms to the definition of the Internet of Things. Broadly speaking, it is a controllable, trusted and scalable networked physical device system that deeply integrates computing, communication and control capabilities on the basis of environmental perception. The feedback loop of mutual influence between processes realizes deep integration and real-time interaction to add or expand new functions, and monitor or control a physical entity in a safe, reliable, efficient and real-time manner.
The simplified model of Gangxi Oilfield of Dagang Oilfield allows the metering station, water distribution room and the traditional three-level station mode to withdraw from the historical stage, get rid of the ideological constraints of “the adjustment of ground technology surrounds the existing stations”, and is formed to meet the needs of reservoir development It is a new concept of standard ground engineering construction, which realizes the successful docking of informatization, networking and the surface gathering and transportation system of oil and gas fields. It is a typical application case of the Internet of Things technology and opened up a new way of oil and gas production. The “Gangxi Model” has important guiding significance for the creation of a conservation-oriented enterprise and the realization of efficient development of old oilfields.
Application prospects and prospects
In important development plans such as the 2020 mid-to-long-term plan for the development of my country’s information industry, the connection and integration between broadband wireless mobile communication networks and the Internet and the Internet of Things is the most important development direction, which will create a new industrial chain. And the business model to promote the sustainable development of our country’s economy and society is a powerful weapon for the rapid integration of our country’s informatization and industrialization. The petroleum industry is a highly technology-intensive industry with interdisciplinary and multi-disciplinary cooperation. The informatization of the petroleum industry has been accompanied by the development of the petroleum industry and has played a huge role.
As a new technology, the petroleum Internet of Things will gradually be applied to oilfield production practices. Digital oilfield construction based on the Internet of Things technology has very broad application prospects in the fields of oilfield data collection, remote monitoring, material management, and comprehensive ground information. It can not only achieve cross-regional collaborative work, and closely connect all links of production, but also Realize the integration of oilfield business and technology, further optimize oilfield production and operation management, and expand oilfield exploration and development business. The use of Internet of Things technology to build digital oilfields is an effective way to construct oilfield informatization. With the further deepening of oilfield exploration and development, the rapid development of information collection and intelligent computing technology, the wide application of the Internet and mobile communication networks, and the continuous deepening of integration with sensor networks, the time for the large-scale use of the Internet of Things in oilfields is becoming more and more mature.
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