Show Paper - PPSA, the Pigging Products and Services Association ...
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This type of assessment can be carried out using intelligent pig data, if <strong>the</strong> box data, or in <strong>the</strong><br />
case of a UT inspection, <strong>the</strong> detailed profile data, can be extracted.<br />
An example of a set of UT data <strong>and</strong> <strong>the</strong> ‘rectangular’ defect, <strong>and</strong> ‘river bottom’ profile from<br />
<strong>the</strong> same data is given in Figure 14, Figure 15, <strong>and</strong> Figure 16.<br />
Individual Defects (green boxes)<br />
Cluster (white box)<br />
Figure 14 UT Inspection Data<br />
Flat Bottom Profile<br />
Remaining Wall Thickness<br />
20<br />
18<br />
16<br />
14<br />
12<br />
10<br />
8<br />
6<br />
4<br />
2<br />
0<br />
0 20 40 60 80 100 120 140 160 180 200<br />
Distance Along X-Axis (mm)<br />
Figure 15 Cluster Profile from UT Data<br />
Page 11 of 13<br />
Copyright © 2007, <strong>Pigging</strong> <strong>Products</strong> <strong>and</strong> <strong>Services</strong> <strong>Association</strong>.
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