This paper describes a new software program developed for the maintenance/monitoring of cathodic protection systems on oilfield well casings. The program was a joint effort by Mobil E&P U.S. and EMDT.

Due to Mobil's large number of cathodically protected wellbores in Oklahoma, a suitable computer program for monitoring well casings was necessary. Although many computer programs have been developed for the monitoring of cathodically protected pipelines, these programs did not satisfy the well casing need because of differences in systems.

The software program developed satisfies all the reading requirements for the corrosion engineer, yet is simple enough for everyday use by field personnel. In addition, due to a large geographical area, an adequate means of data transmission also had to be established so that appropriate control could be maintained from a central location.

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