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Corrosion protection monitoring and adjustment system

  • US 5,785,842 A
  • Filed: 03/20/1996
  • Issued: 07/28/1998
  • Est. Priority Date: 04/17/1995
  • Status: Expired due to Term
First Claim
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1. A method for obtaining information describing the corrosion protection status of a section of a pipeline provided with a rectifier electrically connected to said section of a pipeline, said method comprising the steps of:

  • measuring the current input and output, electrical potential, and level of applied cathodic protection of the electrical energy provided by the rectifier to the section of a pipeline;

    transmitting said measurements of current input and output, electrical potential and level of applied cathodic protection to a low-level communication satellite;

    retransmitting the measurements received by said low-level communication satellite to a management data center.

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