AGR Inspection & Integrity Services has an ROV deployed system called NEPTUNE and a diver deployed system called TRIDENT that will serve your requirement. Link below or contact Matthew Kennedy at firstname.lastname@example.org:
For your question the simple answer is we can apply magnetic testing ,ultrasonic testing and eddy current testing with divers .... if you want a detailed reference you better mail me i will give my maximum effort........
I am doing ndt course in BHEL tiruchy in india ..... so i come up with some practical examples .so for any queries mail me..
If any other better answer you are always welcome......
15:16 Jun-08-2011 Martin Lugg Director, , TSC Inspection Systems, United Kingdom, Joined Nov 2000 26
The ACFM electromagnetic technique was originally developed for detecting and sizing surface-breaking defects in subsea welds. Systems are avilable for inspection at water depths up to 2000m. Contact Fugro-Surespek in Perth or Russell Fraser Sales in Sydney for local information.