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  Long Range UT Technique (LRUT) for Inspection of In-Service Tank Floor

Above Ground Storage Tank Floors (AST) in O&G industry are rapidly prone to corrosion. Corrosion in annular plates of AST occurs on both TOP and UNDER Side. Any leakage creates a huge risk to the unavailability of the tank and contamination to the environment.

 

LRUT is the best technique for Rapid Scanning of the Large Areas (mapping of defects from annular plate in above ground storage tanks) Linear Scanning Along the Shell. It is an in service annular screening tool for AST covering up to a maximum of 1.2 m from the tank shell and similar projection plate and sometimes AST bottom plate depending on annular size.

 

Inspection software package provides the pitting (corrosion damage) mapping of the plate through the linear scanning along the plate edge, for example the lip of annular plate, with capturing, processing and storing of all received ultrasonic signals (A-Scans). The mapping procedure may be encoded (true-to-scale) or timed.

 

 

Literature

alt LRUT Brochure

 

 

 

 
 
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