Case Study

Civa modelling for assessment of capability of automated shear wave inspection applied to a subsea hot tap weld.

Civa modelling for assessment of capability of automated shear wave inspection applied to a subsea hot tap weld.

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www.sonomatic.com Case Study Design Project Figure 1: Figure 2: Figure 3: Problem: A 12 inch pipe was to be welded in-situ onto a 30 inch pipe (Figure 1), the weld was to be inspected using automated ultrasonics prior to it being put into service. Sonomatic were employed in order to carry out inspection modelling to determine the capability of the proposed inspection method to detect defects within the weld as defined by the DNV Offshore Standard DNV-OS-F101. The qualification process followed the guidelines set out by ENIQ (European Network for Inspection Qualification). Benefits: The Civa modelling was an important element in the qualification following the ENIQ guidelines. The benefits of completing Civa a

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