关键词: 智能排采, SCADA 系统, RTU, PLC

Abstract: In order to realize the single-well automation and intelligent production, an oilfield RTU control system was developed by using the programmable controller system PLC as a core, which has been used commonly at abroad and easy to form field automation control. It is also equipped with input and output modules of high reliability, power acquisition module and GPRS module. Some key technologies such as large capacity storage, low energy consumption, wireless testing, wireless data transmission are applied to the system so that it can adapt to harsh field working conditions. It is stable in performance, safe and reliable, convenient to use and is able to prevent rain, sand and theft. By means of the application of PLC technology in the control system, the walking beam and pumping speed can automatically be adjusted, allowing intelligent production, so that the whole system including the pumping unit, sucker rod, oil-well pump can be coordinated in the best way. This improves the system efficiency, greatly reduces labor intensity and promotes the construction of intelligent oilfield.