An Advanced Approach to Fitness-For-Service (FFS) and Corrosion ...
An Advanced Approach to Fitness-For-Service (FFS) and Corrosion ...
An Advanced Approach to Fitness-For-Service (FFS) and Corrosion ...
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Extra Metal <strong>An</strong>omalies<br />
Orientation - degrees<br />
360<br />
315<br />
270<br />
225<br />
180<br />
135<br />
90<br />
45<br />
0<br />
0<br />
0 5 10 15 20 25 30 35<br />
Distance - Miles<br />
Orientation Elevation<br />
• Extra metal features close <strong>to</strong> or <strong>to</strong>uching the pipeline can<br />
damage the protective coating <strong>and</strong>/or affect the performance<br />
of the cathodic protection system.<br />
• There is no external corrosion located in the vicinity of these<br />
features, therefore they are considered <strong>to</strong> be insignificant in<br />
terms of the integrity of the pipeline.<br />
1400<br />
1200<br />
1000<br />
800<br />
600<br />
400<br />
200<br />
Elevation - ft
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