Tank cleaning

Tank cleaning is the process of removing hydrocarbon vapours, liquids, or residues from cargo tanks onboard a tanker. Tank cleaning may be required for one or more of the following reasons: To gas-free tanks for internal inspections, repairs, or before entering the dry dock.


Tank cleaning is a common procedure performed on board ships. Those associated with the process are very well aware of the hazards involved and fatal accidents that have occurred in the past. In spite of all the necessary safety precautions and enclosed space entry procedures, accidents still occur while cleaning tanks on board ships.