Method and system for the remote detection of the position of a pig device inside a pressurized pipeline
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United States of America Patent
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Feb 20, 2018
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app pub date -
Dec 12, 2013
filing date -
Dec 20, 2012
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Abstract
A method and a system remotely detect the position of a pig device inside a pipeline for transporting pressurized fluids, like for example long distance oil and gas pipelines having a strategic international value. The method foresees equipping the pipeline with pressure sensors in contact with the fluid, located at at least one of the two terminals of the pipeline, and the sending and processing of signals by a control unit. The operation of the system is that of identifying and locating, in real time and continuously, a pig device that moves intermittently inside the pipeline, for example during cleaning, monitoring, measurement and non-destructive control operations.
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