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Distributed oil and gas pipeline leakage monitoring system

A technology for oil and gas pipelines and monitoring systems, applied in pipeline systems, gas/liquid distribution and storage, mechanical equipment, etc., can solve problems such as long response time and loss, achieve high spatial resolution, sensitive response, good economic and social effect of benefit

Inactive Publication Date: 2017-01-04
CHINA JILIANG UNIV
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Traditional oil and gas pipeline leak detection methods, whether it is manual line inspection, internal detection, or external detection, require a long response time, usually between 1 hour and one day
In this way, even if a leak is discovered, it may have already caused a large loss

Method used

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  • Distributed oil and gas pipeline leakage monitoring system

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Embodiment Construction

[0011] The present invention will be further described below in conjunction with the accompanying drawings.

[0012] refer to figure 1 , a distributed oil and gas pipeline leakage monitoring system disclosed by the present invention, comprising a distributed optical fiber Raman temperature sensor (11), a sensing optical cable (12), an alarm device (13), a fire fighting equipment interface (14) and a remote communication interface (15). In the illustration, the sensing optical cable (12) is a 4-core optical cable with metal armor, and two sensing optical fibers are respectively laid above and below the oil and gas pipeline to sense the temperature around the oil and gas pipeline in real time. Fiber backup. The sensing optical cable (12) is connected with the distributed optical fiber Raman temperature sensor (11) at the same time, and the temperature of each point of the oil and gas pipeline is measured in real time by the distributed optical fiber Raman temperature sensor, a...

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Abstract

The invention discloses a distributed oil and gas pipeline leakage monitoring system. Oil and gas leakage is monitored online by monitoring the temperature change of an oil and gas pipeline in real time. The system comprises a distributed optical fiber Raman temperature sensor (11), a sensing optical fiber (12), a warning device (13), a fire-fighting equipment interface (14) and a remote communication interface (15). The sensing optical fiber (12) is laid together with the oil and gas pipeline along the pipeline and is connected with the distributed optical fiber Raman temperature sensor (11), temperatures of all points of the oil and gas pipeline are measured by the distributed optical fiber Raman temperature sensor in real time, the difference between the temperature value of a leakage point when oil and gas leakage occurs and the normal temperature value is obvious, when the temperature difference exceeds a warning value set by the system, the system starts the warning device (13), sound and light signals are emitted for warning, meanwhile, fire-fighting equipment is started by the aid of the fire-fighting equipment interface (14), and a remote warning signal is emitted by the aid of the remote communication interface (15). Thus, the safety guarantee is provided for normal operation of the oil and gas pipeline.

Description

technical field [0001] The invention provides a distributed oil and gas pipeline leakage monitoring system, which belongs to the technical field of automatic control. In particular, the use of distributed optical fiber Raman temperature sensors and peripheral equipment for oil and gas pipeline leakage monitoring provides security for the normal operation of oil and gas pipelines. It has good economic and social benefits. [0002] technical background [0003] The energy industry is the basic industry of the national economy, and it is also a technology-intensive industry. my country's energy production and consumption are among the top in the world, of which oil and natural gas account for about 30% of the total energy consumption. Compared with coal, oil and natural gas are relatively clean energy sources, so oil and gas energy has developed relatively quickly in recent years. As of October 2013, the total length of my country's oil and gas pipelines has reached 106,000 k...

Claims

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Application Information

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IPC IPC(8): F17D5/06
Inventor 王剑锋朱莎露苏达顺朱慧慧潘建宇
Owner CHINA JILIANG UNIV
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