TPT September 2012

Technology News

Compact pipeline leak detection and environmental protection with ultrasonic pig

inspection pig with unusual abilities, which can be used in combination with the GLD 30x chassis in any pipeline with an inside diameter of 200mm or more. With the GLD 202, inspection of pipelines is easy. Analysis of the data is largely automated, so after a short time of analysis, pipeline operators and inspection providers reliably know the state of the pipeline. For the first time, such pigging inspection can be carried out by non- experts. This is partly because the GLD 700 analysis software, running under Microsoft Windows, is very simple to use. Gottsberg Leak Detection – Germany Website: www.leak-detection.de

during pigging, and even the smallest insidious leaks can be accurately detected and located. With this system, GLD puts control into the hands of pipeline operators and service providers. The world’s only intelligent pig that – thanks to its ATEX approval for Zone 0 – can be used in any liquid pipeline, without compromising operation. The GLD 202 leak detection system works by using multi-spectral analysis of events, and records the noise during the entire pipeline run every second on 128 channels. The data is suitable for an analysis of potential leaks, and even gives other information on the condition of the pipeline (eg wax deposits on pipe joints, movement of sliders). The North German company offers a very small

ACTIVE environmental protection and prevention of income loss in pipelines can be reliably integrated using the GLD leak detection system. For cost reasons, many pipelines are only rarely inspected with smart pigs, because shutdowns for several inspections per year would mean huge economic losses. Real-time monitoring systems are a good way to detect large leaks, but even those are often difficult to locate. At worst, several hundred metres (yards) of pipeline must be uncovered and inspected – a disproportionate effort. To fulfil all the requirements, Gottsberg Leak Detection has developed the GLD 202: a compact and robust leak detector, which can be deployed easily and often. Pipeline operation is almost unaffected

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S eptember 2012

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21.08.12 14:43