SKANGAS DELIVERS FIRST FUEL CHANGE TO LNG IN OPEN SEA
For the first time Skangas’ vessel Coralius both cooled down tanks and delivered liquefied natural gas (LNG) in one operation. The receiving vessel LEG/C Navigator Aurora was supplied with just under 500 mt LNG in the middle of a voyage between Sweden and South Europe. The complete operation took place at Danafjord outside Gothenburg over 7th and 8th of October 2017 and the operation was considered a great success.
Going from using diesel oil to LNG requires a cooling down operation of the receiving ship’s fuel gas tanks from ambient conditions to minus 160 degrees. This operation is time consuming but necessary. The Navigator Aurora’s design allows her to pre-cool her fuel gas tanks before LNG spray is introduced, reducing the cooling down period considerably. All in all, this first bunker operation took less than 24 hours with the transfer of the main parcel taking 6 hours.
Bunkering of Navigator Aurora was different from previous bunkering operations since it included the cool down operation. The operation that took place over the weekend is a milestone for the industry and proves that with careful planning and teamwork, this type of operation where LNG bunkers is supplied to vessels whilst transiting between ports, is not only efficient but also very safe. In addition, this was Coralius’ largest bunkering done so far. (Source and image: Skangas)