The Pathfinder Pig is a bore measurement tool, with a high level of mechanical compliance, which is capable of negotiating severe restrictions in a pipeline. The simple and rugged construction makes it ideal for use in new and operational pipelines, which have not previously been pigged, and for assessment of the distribution of scale and wax deposits in operational pipelines. Equally, it provides a highly effective and economical means of monitoring the progress of Cleaning operations.
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The Pathfinder Pig comprises a standard polyurethane foam pig with a bore measurement sensing system integrally moulded into the foam matrix. The sensors measure the compression of the foam at points around the circumference of the tool, allowing measurement of bore changes, dents, ovality, scale and wax deposits, and other restrictions. The electronics, battery and logging system are located in a removable cartridge in the centre of the pig. On completion of an inspection run, the data cartridge is removed from the pig for data download and later re-use. The foam carrier pig will be discarded.
The simple and rugged construction makes it ideal for use in new and operational pipelines which have not previously been pigged and for quantitative assessment of the distribution of scale and wax deposits in operational pipelines.
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