First, the application site Shengli Oilfield, Liaohe Oilfield, Karamay Oilfield, Tuha Oilfield, Daqing Oilfield, Zhongyuan Oilfield and so on.
Single well flow, pressure, temperature, power supply and other data acquisition generally use RTU or I/O module, and connect with data radio through RS232 interface or 485 interface.
Second, the system constitutes a real-time monitoring system consists of a central station system and multiple terminal station systems.
The terminal station control cabinet completes the project monitoring and final control functions, and the central station system displays the monitoring data and remote control. The system work process includes:
1. The terminal station continuously collects the corresponding monitoring parameters. After receiving the instruction from the central station, it performs the corresponding operation functions according to the instructions:
1) If the command is a control command, the terminal station will control the oil well equipment according to the instructions and respond to the central station to confirm the execution of the command. The control center can also know the working status of each oil well pumping unit in real time.
2) If the command is a data transmission command, the terminal station transmits the collected data and the current working status to the central station.
2. The central station works in polling mode for the terminal station: the central station queries the terminal station in succession through the Gudi radio as required. The central station stores the data after receiving the data of the terminal station through the Gudi radio. The database is then analyzed, displayed, and over-limit alarms and wireless remote control are performed according to the set values. After completing a round of inquiries, it goes to the next round of query status, and at the same time tracks and displays the real-time monitoring data and operating status of the terminal station.
Third, the oil field remote monitoring features 1. The central station system adopts the standard Windows operating interface. The human-machine dialogue is intuitive and concise, and the situation on the spot can be grasped at the first time.
2. The real-time monitoring system constantly transmits the data and working status monitored in the field to the control center in real time through the Gudi radio.
3. The functional system mainly monitors power parameters such as three-phase current, three-phase voltage, power, and point, and extends other parameters of the well, such as wellhead temperature, pressure, motor temperature, current curve, and dynamometer.
4. Remote and reliable systems use Gudi radio transmission methods, such as high-gain directional antennas at terminal stations, up to 50 kilometers at the longest distance; using reliable data verification between the terminal station and the central station ensures that The data transmission is accurate and reliable.
5. Strong on-site resilience.
Gudi radio cores are all made of high-quality industrial grade components. With its own perfect design, it has excellent temperature characteristics and can work continuously in harsh environments.
6. Simple Maintenance Monitoring System The central station and terminal station all adopt a modular combination method, using a solid radio to connect communications, maintenance and installation is very convenient; plus adequate reliability design, strict quality inspection, plus signal input and output ports Such comprehensive protection measures provide reliable protection for users.
7. High degree of automation After the oil field uses the automatic monitoring system, it can realize the monitoring of various parameters of the terminal station and the automatic control of the equipment. This will save a lot of manpower and material resources, reduce the workload of personnel, and avoid equipment damage. Automatically improve equipment performance according to equipment working conditions, greatly save energy, save oil production costs.
Application of Gudi Radio Station in Oilfield/Natural Gas Field Production Monitoring and Dispatching System
Oilfields and gas fields are mostly located in areas such as swamps, deserts and basins, and shallow seas. Because they are far from urban areas, transportation and communication facilities are relatively backward. Wells and gas wells are scattered in a radius of tens of kilometers and consist of a number of single wells, metering stations, and joint stations. The use of wireless communication to realize data voice communication between a single well and a metering station and a joint station has the characteristics of quick installation and opening, convenient maintenance and migration, and low cost.