Patent ID: 9200744
Filing Date: 2015-12-01
Classification: B08B,F16L,G01M,G01N,G01S

Abstract:
1. A tracking system for use with a pipeline comprising: a scraper having a signal generator adapted to generate an acoustic signal, said scraper having a size suitable for fitting within and traveling in a path along the pipeline, said signal generator comprising: a plurality of acoustic pressure sensors positioned at intervals along the path traveled by said scraper, said plurality of acoustic pressure sensors suitable for sensing the acoustic signal from said scraper; a plurality of local processors positioned at intervals along the path traveled by said scraper, each of said plurality of local processors being in communication with at least a respective acoustic pressure sensor of said plurality of acoustic pressure sensors; and a central processor in communication with said plurality of local processors, said central processor suitable for generating an output indicative of a location of said scraper within the pipeline.