Bibby Offshore Successful Evacuation Drill Aberdeen-based subsea installation contractor Bibby Offshore is leading the way in saturation diving safety in the North Sea after recently carrying out fully successful evacuation trials. The trials involved mating a Self Propelled Hyperbaric Lifeboat (SPHL) from the company’s Diving Support Vessel (DSV), Bibby Sapphire, to a Portable Hyperbaric Reception Facility onshore.