* NITC tanker Silvia 1 discharged close to 1 million barrels of condensate, a light oil typically produced in association with natural gas, on Jan. 19 at Incheon port, it showed

* Another NITC tanker Sana carrying the same volume of condensate is expected to arrive in South Korea on Jan. 31, according to Refinitiv data

* The cargo marks the first Iranian oil import by South Korea in four months after the world's fifth-largest oil buyer halted imports before the U.S. reimposed sanctions on Iran in November

* South Korean buyers of Iranian crude and condensate include SK Energy and SK Incheon Petrochemical, owned by SK Innovation , Hyundai Oilbank Corp and Hanwha Total Petrochemical Co