South Korean owner Sinokor has placed an order at domestic yard Samsung Heavy Industries for the construction of up to four 114,000 dwt aframax tankers.
According to shipbroking sources, the contract includes firm order for two vessels and options for additional two vessels.
The price for each ship is $51m and delivery is scheduled in 2021.
Sinokor currently owns a fleet of 165 vessels and has another 39 newbuildings on order.