Ultrasonic meter to detect pipeline corrosion and buildup
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United States of America Patent
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N/A
Issued Date -
Jun 5, 2003
app pub date -
Nov 30, 2001
filing date -
Nov 30, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A method is disclosed for determining the amount of surface discontinuity on the interior surface of a pipeline that could result, for example, from corrosion or from dirt and crud buildup. As dirt and other collateral material collect along an interior pipeline wall, or as the pipeline wall corrodes, the flow profile for the gas flow traveling through the pipeline changes. By measuring the ratio of the flow velocity near the interior of the pipeline to that near the perimeter of the pipeline over time, the relative roughness of the inner pipeline surface can be determined.
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