OCT - Offshore Cryogenic Transfer System
Safe transfer of LNG between two floating vessels.
The OCT (Offshore Cryogenic Transfer) technology is based on a tandem ship-to-ship configuration that has been used successfully in offshore oil transfer for more than 30 years with more than 20,000 loading operations carried out worldwide.
As the OCT system can accommodate a separation distance more than 100 meters, large relative movements are allowed by both the producer (FLNG vessel) and the LNG carrier. The system consists of an A-frame crane, extending from the stern of the FLNG vessel toward the bow of the LNG carrier. Three corrugated stainless steel vacuum-insulated flexible pipes are used for LNG and one is used for a vapor return loading facility in the bow. Maximum wave heights during connect and disconnect are 4.5 mHs and 5.5 mHs respectively.
LNG carriers with DP2 are equipped with a LNG Bow Loading System tailor made for the Offloading System.