Methods and systems for automated pipeline testing
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United States of America Patent
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Nov 23, 2004
Grant Date -
Dec 26, 2002
app pub date -
Mar 12, 2002
filing date -
Jun 22, 2001
priority date (Note) -
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Abstract
A system and method for testing a cathodic protection system includes a cathodic protection rectifier configured to apply a voltage across a pipeline and a reference point. The method includes measuring a magnitude of an output voltage of the cathodic protection rectifier, transmitting to a site remote from the rectifier, the measured output voltage magnitude using a cellular control channel, receiving the transmitted measurement at the remote site, and using the transmitted measurement to determine whether the cathodic protection system is operational.
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