Troubleshooting for Oil Recovery Well Pressure Transmitter

As industrialization continues to grow, the global oil demand is gradually rising. The petroleum extraction will use a lot of advanced instrumentation, in which the oil extraction well pressure transmitter plays a very important role. In the petroleum industry, automated instrumentation not only improves the level and efficiency of oil extraction but also reduces the risk to staff. As an important part of the automation control system, the pressure indicator transmitter is not only able to determine the pressure parameters of the oil well but also control its data.

The pressure transducer 4 20ma currently used in oil extraction mainly contains modules, circuits, gauge heads, and sensors. In the actual application process, each part of the corresponding failure may occur, so it is necessary to clarify the working principle of the smart pressure transmitter and understand each structure in the actual application of the possible failure.

The pressure transmitter type is more and has its working principle and use. At present, in the oil extraction process used in the pressure transmitter common faults and treatment measures are mainly the following points:

1. component damage and the problem of decreased detection and control accuracy. The actual application process needs to be tested on each component to ensure that the digital pressure transmitter is in the normal scope of the application. At the same time, to prevent the use of pressure transmitters because operational errors affect the accuracy of the use of oil pressure transmitters, we must pay attention to the pressure transmitter in the relevant sensitive components to carry out accurate testing.

2. The problem of unstable linearity of the capacitive pressure transmitter. In the process of transmitting the relevant signals, the pressure transmitters may also have relatively poor performance and instability of the problem. It is necessary to analyze and judge by detecting the pressure value of a random point in the 4-20mA pressure transmitter. If there is a serious error, it is necessary to adjust the error value in time so that it can reach the specified range of the pressure transmitter. The reason for this problem is mainly because the linearity of the pressure transmitter can not meet the relevant standards of the mining industry. So when selecting a pressure transmitter, choose a better quality of sensitive components and related conversion circuit. If the pressure transmitter has been installed, you can explore the sensitivity of the pressure transmitter itself. If the linear performance of the pressure transmitter is poor, or the components of the transmitter appear deformation, it should be timely by the relevant instructions for maintenance operations. It is also necessary to strengthen the daily maintenance of the pressure transmitter.

3. Problems with no data indication after power-up. The main reason for the lack of data after startup is that the detection-related components of the capacitive pressure transmitter are damaged, which leads to the damage of other parts of the entire pressure transmitter. To address this problem, first disassemble the capacitive pressure transmitter, and then check whether the relevant components in the capacitive pressure transmitter have damage problems. Try to use formal testing methods during the inspection process, ensuring the instrument can work properly.

4. Frequency interference. The problem occurs mainly because the pressure transmitter wiring arrangement of different signal lines may appear between the phenomenon of mutual interference. During the stringing process of the signal line, the limited location inside the pipe increases the degree of its interference, which leads to malfunctions in the communication of the pressure transmitter. Given this problem, first of all, it is necessary to clarify the distance that should be maintained between different lines, and then according to the degree of its frequency interference, the distance between the relevant signal lines should be increased, and at the same time to combine with the actual situation of the pipeline to carry out a comprehensive design and layout.

To summarize, since there are relatively more types of measuring instruments used in oil production wells, the staff in charge of daily inspection must identify the types of faults of the pressure transmitters commonly used at this stage, and take reasonable measures to eliminate the faults. At the same time, it is also necessary to strengthen the daily maintenance and repair of pressure transmitters to improve the service life of pressure transmitters and measurement accuracy.