 SKS, part of the Kristian Gerhard Jebsen Group, is today operating the largest OBO-fleet in the world consisting of 10 OBO carriers.The latest obo-vessel in the fleet, "D Whale", was delivered from Hyundai Heavy Industries.The design of these vessels has been significantly improved compared to the vessels made in the seventies and all problems which were related to the OBO-concept - including many that were common amongst tankers at that time - have been dealt with.