British A.I.O.C. sea going barge Friesland stationed at Abadan, Persia in May 1946

Gross register tonnage 1.450 tons and as maximum draught 12.0 feet. Just for fuel oil storage. Part of the fleet of Anglo-Irian Oil Company (A.I.O.C.). 

Source
Quatar Digital Library's digital archive. Naval Intelligence Diversion Admiralty, S.W. 1, Persia Intelligence report May 1946-C.B, 1885 (X) (5/46) Link