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The Best Manufacturing Factory for Fiber Optic Leakage Detection Distributed Fiber Optic Sensing System in Oil Pipeline

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Pipeline transportation is one of the international transportation methods for goods, which uses underground pipelines to transport crude oil, natural gas, refined oil, slurry, coal slurry and other media to their destination. Compared to other transportation methods, it has the advantages of large capacity, unrestricted by climate and other ground factors, continuous operation, et humilis sumptus, and has become an important way for oil and gas transportation. Due to the fact that long-distance oil and gas pipelines are mostly distributed in deserted areas such as the wilderness, they are susceptible to external human damage (such as drilling holes to steal oil, etc.) and sudden natural disasters (such as earthquakes, landslides, etc.), resulting in pipeline fractures and oil and gas leakage accidents; Also, due to the shallow burial of pipelines, they are often threatened by various construction activities when passing through residential areas, as incidents of damage and pipeline excavation caused by barbaric construction often occur. Oil and gas pipelines have the characteristics of high temperature, high pressure, flammability, and explosiveness. Once a leak occurs, it not only shuts down the pipeline, but also seriously pollutes the environment, posing a serious threat to the lives and property of local people. If it causes the combustion and explosion of leaked oil and gas, the consequences are unimaginable. Pipeline transmission has many advantages such as economy, efficiency, safety, and stability, and is applied in the transportation of fluids such as oil, natural gas, and water. With the continuous progress of social economy and technology, pipeline laying has been widely used. Pipeline systems are widely used in industrial fields such as petroleum, metallurgy, urban water supply, and natural gas. The issue of pipeline safety protection is also increasingly prominent in front of people. Pipelines are buried underground year-round and are prone to corrosion, fatigue damage, or leakage, which not only causes significant economic losses but also pollutes the environment. ergo, studying effective pipeline leak detection techniques is extremely important for ensuring the safe transportation of pipelines.

Commoda Distributed Fiber Optic Pipeline Temperature Measurement System

Measuring the temperature around the pipeline to determine whether a leak has occurred is currently a commonly used method. tamen, traditional temperature measurement is a single point measurement method, and monitoring the condition of a pipeline requires the deployment of a large number of temperature sensors, which brings difficulties to construction and maintenance. The fiber optic distributed temperature measurement system is a sensing system developed in recent years for real-time measurement of spatial temperature distribution. Fiber optic is both a transmission medium and a sensing medium, and the temperature effect of backward Raman scattering can be used to measure the temperature of the fiber in real-time; The use of optical time-domain reflection technology can accurately locate measurement points. This system can measure the temperature field distribution over long distances in a short period of time. Due to the small volume of the optical fiber, the measurement process will not affect the distribution of the original temperature field. Simul, it also has the characteristics of flame prevention, CREPITUS praeventionis, corrosio resistentia, et electro resistentia. ergo, the optical fiber distributed temperature measurement system has good application prospects in the field of pipeline leakage monitoring technology.
The fiber optic distributed temperature measurement system based on Raman scattering technology is currently widely used as a pipeline leakage monitoring system. The oil and gas pipeline leakage monitoring system mainly consists of a distributed fiber optic temperature measurement host and corresponding temperature measurement optical cables, which continuously and linearly monitor the temperature of the pipeline in real-time, thereby monitoring the pipeline leakage situation. The entire monitoring system is connected to the pipeline SCADA system through its temperature measurement control host communication interface or dry contact relay terminals, and is responsible for providing alarm information and operation and fault signals to it.
When a leak occurs in a certain part of the pipeline, the system monitors a sharp change in temperature and quickly identifies the risk; By monitoring the gradual temperature changes of a certain section of pipeline over a period of time, it can be determined that there is an abnormal risk of leakage in the pipeline. The system can accurately locate the location of faults, repair pipeline faults, shorten time, and improve economic benefits for customers.

The oil pipeline fiber optic leak detection online safety monitoring system developed by FJINNO uses the IFDTS-SO distributed fiber optic temperature measurement system, which is installed in a cabinet and can be simultaneously connected to the upper service computer for comprehensive monitoring of the oil pipeline status. Combined with software display, sound and light, network, SMS and other alarm methods, it provides reliable guarantees for the safe operation of oil pipelines. The online monitoring system for oil pipeline fiber optic leakage detection consists of SRDTS-SO distributed fiber optic temperature measurement system, signal transmission unit, and signal processing unit. The signal transmission unit is one core of communication fiber laid along the oil pipeline.

Function of Distributed Fiber Optic Sensing System for Leakage Detection of Oil Pipeline Fiber Optic

1. Oil pipeline leakage detection: By implementing temperature monitoring around optical cables, the purpose of oil pipeline leakage detection is achieved;

2. Abnormal alarm: When the detected temperature exceeds the set range, an alarm message will be prompted and operation suggestions will be given;

3. Differential temperature alarm: The alarm parameters support manual setting, output relay alarm signals and alarm positioning information, and achieve differential temperature alarm;

4. Alarm zone setting: The system can program the length and alarm points of the alarm area as a whole, and can be flexibly adjusted according to the on-site situation;

5. Data analysis: storing, querying, and analyzing historical data;

6. Remote access: The system can connect to industrial Ethernet and transmit data to various levels of management departments to achieve remote access.

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