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Title: An Evaluation Of A Third-Party Damage Detection System Using A Fiber Optic Cable
Author: George Ragula
Source: American Gas Association 2003
Year Published: 2003
Abstract: Various technologies are being pursued towards the development of a real-time monitoring system to detect third-party damage of natural gas facilities. Different technical solutions are being sought using acoustics, impressed AC current, satellite surveillance and fiber optics (above or on surface of pipe). New sensors for such applications are being developed using inductive and optical concepts, while microsensors from other industries are being sought after as well. Fiber optic technology has matured to the point where the characteristics of the light traveling down the fiber can be affected by external disturbances acting on the fiber. Through a sophisticated system to monitor these disturbances movement, vibration and sound can be detected in a pipeline right-of-way (ROW). The technology, the demonstration project, involving a 12-inch diameter gas transmission main operating at 600 psig, accomplishments and applications will be reviewed in this paper.

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