Paco has it right - live where you want, work where you must.
Best idea is to find something you want to do and find someone who'll pay you to do it - you never "work" again. Being a floater onshore in the UK might not be the best paid job (then again, who became a heli pilot to get rich?) but it beats all the others into a cocked hat when it comes to variety and sheer enjoyment.
I left a fairly-well-paid contract in the Middle East to start HEMS/Police/lighthouse work, and (for family reasons) turned down an even better offer from an exceptional unit in Oman after visiting them and looking around for 2 weeks. I'd have loved the place (as I did 25 years earlier) but it wasn't right for all of us. Make sure you know what your priorities are and stick to them!