Methods and systems for automated pipeline testing
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United States of America Patent
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Jan 8, 2008
Grant Date -
Feb 15, 2007
app pub date -
May 26, 2006
filing date -
Jun 22, 2001
priority date (Note) -
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Abstract
A method for testing effectiveness of a cathodic protection device configured to apply at least one voltage across an underground structure and a reference point is described. The method includes providing a sample of the material from which the underground structure is fabricated, placing the sample proximate the underground structure, electrically connecting the sample to the underground structure through a switch, operating the switch at predetermined intervals, and measuring electrical characteristics of the sample at intervals based at least partially on the predetermined intervals and a position of the switch.
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