The PIL Subsea Caliper PIG tool was conceived and engineered to provide the industry with a simple and robust, single-body caliper tool solution optimised for use on subsea pipelines and in-field flowlines.
The multi-channel caliper pig is specially designed to operate in and survive pressures of up to 400bar (600bar special), allowing it to be used in pipelines at extreme sea water depths and to be left in the pipeline during hydrotest if required. Despite this very harsh environment, the caliper measurement system is able to achieve a high measurement accuracy and a very low probability of failure. This performance is achieved using a caliper sensor arrangement unique to PIL, where the caliper sensors are located inside of the pressure vessel (which also houses the electronics and batteries), protecting them from the sea water and the very high pressures.
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Standard features include:
PIL are also able to offer options for special requirements including;
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