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S13 Integridade Estrutural |
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Title:
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ULTRASONIC PIG FOR OIL PIPELINE INSPECTION
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Summary :
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A PIG IS A KIND OF EQUIPMENT USED BY THE PETROLEUM INDUSTRY FOR CARRYING SENSORS AND OTHER INSTRUMENTS THROUGH PIPELINES. THIS WORK DESCRIBES THE PIG THAT IS BEING DEVELOPED FOR LOCATING DEFECTS LIKE POINTS OF PRONOUNCED CORROSION IN PIPELINES, USING ULTRASOUND. IT IS USED THE PULSE-ECHO TECHNIQUE TO MEASURE THE DISTANCE FROM A COLLECTION OF ULTRASOUND TRANSDUCERS TO THE INTERNAL WALL OF THE PIPELINE, PROVIDING IN THIS WAY AN INDIRECT MEASURE OF THE WALL THICKNESS. A PROTOTYPE WAS CONSTRUCTED AND TESTED IN AN IMMERSION TANK. THE RESULTS SHOW THAT THE ULTRASONIC MEASURING SYSTEM CAN CLEARLY IDENTIFY POINTS OF ALVEOLAR CORROSION, WHICH ARE OFTEN PRESENT INSIDE PIPELINES. |
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Author :
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Adamowski, Julio Cezar 0
Camerini, Cláudio S.
Furukawa , Celso M.
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Paper View :
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