Apologies if I am wrong but, I do know that in the past some people who did their IR's at BHL at Norwich did get jobs at the end of the course. This was during a time of no recruitment. On the North Sea things change very quickly (from time to time!) and if you happen to be there then you might dip in.
All I'm saying is, is that its another option to paying £1000 per hour to do all your training on a twin, with the added bonus of meeting some great people, maybe getting a trip offshore (as a passenger), and maybe if your luck is in, news of jobs on the N. Sea before everybody else.