British A.I.O.C. self propelled water barge Betwand stationed at Abadan, Persia in May 1946

Horsepower 160 ihp, 112 tons gross register tonnage and as dimensions 106.0 (over all) x 21.5 (extreme beam) x 6.9 (maximum loaded draught) feet. 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