He can't even be considered for work on oil rigs unless he's gone through the BOSIET course. (Basic Offshore Safety Induction and Emergency Training). It's a statutory requirement.
Employers don't normally pay for BOSIET courses. They expect potential employees to have gone through the training, at their own expense, before they can be considered for employment. The course costs £600 (plus VAT = £720 total) with this provider:
http://www.petans.co.uk/survial/bosiet.html#
Nexans is one of the big players for cable-laying:
http://www.nexans.com...d_cabling_system.html
Chris