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Title: Natural Gas Pipeline Leak Survey By Electromagnetic Spectrum Analysis-A Practical Application
Author: David A. Wilson
Source: American Gas Association 1987
Year Published: 1987
Abstract: Operators of natural gas transmission pipelines are required by law to perform periodic leakage surveys along the entire length of the pipeline. The current practice is to patrol the line by foot and use senses of sight and smell combined with a gas detection device. A new method of leakage detection has been developed which allows the survey to be performed by use of helicopter or light aircraft and a sophisticated technique called Multi-Spectrum Analysis. This paper describes a demonstration of this new method on a 90-mile stretch of pipeline for Standard Pacific Gas Line Incorporated, a subsidiary of Pacific Gas & Electric Company. From this demonstration, it appears that this new technique is more efficient and effective than current practice.

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