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The flow meter shall determine the accuracy of the selected meter according to the level of metering so as to avoid wastage. The accuracy of the detection components, the primary meter and the display meter, and the logging meter of the flow measurement system shall be properly matched.
Application of flow meters in onshore oilfields: At the oil field site, for the drilling of deep wells and ultra-deep wells in various oilfields in the country, in order to solve the current high-density waste of materials, if 80% of the waste is recycled, at least 90 million yuan or more can be saved annually. cost of. Through theoretical research combined with on-site experiments, we know that to achieve "real-time" recovery of weighted materials, we need to change the performance of different viscosity and density in the drilling fluid and change the performance parameters of the centrifuge. After the sensor detects the input control system, the corresponding Give the working speed and processing capacity of the centrifuge, through the computer to control, accurately meet the design requirements, establish the control system process.
Application of Flow Meters in Offshore Oilfields: Offshore oilfield platforms are divided into three parts: process production systems, auxiliary process systems, and utility systems. The appropriate flowmeters are selected for different operating conditions of different systems. 1) The selection of the flow meter is a systematic project. There may be several options for the meter that can be used for a specific application site. The flow meter should be selected according to the actual working conditions and the flow meter with the best performance should be selected. (2) Type selection should not be limited to standardized instrument selection, and the thinking should be innovative. For example, the current non-standardized V-cone flowmeter has advantages that other flowmeters do not have in many aspects. It is also worthy of the selection process. Consultation. (3) The installation position and direction of the flow meter should be given full attention. The specific instrument has specific installation requirements. Only when the instrument is correctly selected, the installation position is correct, and the lengths of the straight sections are sufficient, the measurement system can Eventually meet the requirements of the measurement accuracy.
The flow meter must meet the required length of the straight pipe section, and consider whether the temperature, pressure resistance, vibration resistance and safety protection issues affect the installation of the meter; the ambient conditions of the meter after use, etc.: daily maintenance and replacement of the meter should be considered. Whether it is convenient, environmental temperature, humidity and electromagnetic interference on the instrument and the safety performance of the environment.
If the fluctuation is reduced, it is the instrument or the instrument control parameter PID is not suitable. If the fluctuation is still frequent, it is caused by the process operation.
First of all, in the high-end general-purpose experimental instruments: to focus on strength, increase research and development efforts, and overcome the core technology and key components. We strive to break through a large number of China's demand, but currently rely on imported, expensive high-end general-purpose testing equipment.
Secondly, in terms of conventional general-purpose testing instruments, the relevant departments should play a co-ordinating role, selecting from the various types of existing scientific and technological plans (special projects, funds) or experimental instruments and equipment developed by free funds, adopting application demonstrations, and implementing subsidies after implementation. The use of high-quality domestically-made high-quality test instruments and equipment has been extensively applied, and the market share has increased dramatically, which has helped to expand China's test equipment and equipment industry.
How to select flow meters for land oil fields and offshore oil fields
The selection of the flow meter is a systematic and scientific system engineering. Through analyzing the type, working principle, influencing factors and selection criteria of the flow meter, the correct selection of the type is performed in combination with the actual working conditions on the site. The selection of the flow meter plays an important role in the successful use of the meter. Therefore, when selecting the flow meter, it is necessary to combine various factors, avoid weaknesses, and select the most suitable meter.