The Nabsa agency said cargo has been lightered from the 74,000-dwt Paraskevi (built 2003) offRosario.
Two tugs had started refloating operations on Thursdaymorning.
Passage along the river had been blocked for ships of up to120 metres in length, with Bloomberg reporting 18 vessels were backed up in theriver at one point.
The vessel is operated by Safety Management Overseas.
