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Displaying records 296 through 296 of 2180
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Title: Bidirectional ultrasonic pigging: operational experience
Category: Pigsource Papers
Downloadable: Yes 
Catalog No.: pg3046e
Date of Publication: 1990
Price: $25.00 US
Authors: N Sugaya, K Murashita, M Kobayashi, S Ishida, H Akuzawa
Abstract: Having successfully inspected a 48-in 11-km offshore pipeline using a bidirectionally travelling ultrasonic inspection pig, NKK has proven its technological ability to provide valid data for efficient, cost-saving maintenance.

NKK has developed an inspection pig that makes it possible to inspect the state of corrosion of a pipeline by travelling bidirectionally in the line provided there is a sufficiently-large area at the shore end of the line to install a launcher/receiver.

This paper outlines how the inspection of the inside of an offshore pipeline was conducted by a bidirectional ultrasonic inspection pig currently in use in Japan.

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