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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External <strong>Corrosion</strong><br />
Orientation - Degrees<br />
360<br />
315<br />
270<br />
225<br />
180<br />
135<br />
90<br />
45<br />
0<br />
0 5 10 15 20 25 30<br />
Distance - miles<br />
External <strong>Corrosion</strong> Features 10 <strong>to</strong> 20%WT External <strong>Corrosion</strong> Features 21 <strong>to</strong> 30%WT<br />
External <strong>Corrosion</strong> Features 31 <strong>to</strong> 40%WT External <strong>Corrosion</strong> Features 41 <strong>to</strong> 50%WT<br />
External <strong>Corrosion</strong> Features 51 <strong>to</strong> 60%WT External <strong>Corrosion</strong> Features 61 <strong>to</strong> 70%WT<br />
External <strong>Corrosion</strong> Features 71 <strong>to</strong> 80%WT<br />
• Area of low level external corrosion in the first ~7 miles.<br />
• Concentration of deeper (79%wt) external corrosion features<br />
between ~7.2 - 9.4 miles close <strong>to</strong> rectifier.<br />
• Two concentrations of deeper external corrosion features at<br />
the end of the pipeline at ~28 miles.<br />
1400<br />
1200<br />
1000<br />
800<br />
600<br />
400<br />
200<br />
0<br />
Elevation (ft)
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