DEL has capacity to clean offshore and inshore vessel tanks, as well as storage tanks using specialized equipment and trained personnel.

• DEL provides mobile automatic tank cleaning unit for offshore rigs as well as semi-automatic impact tank cleaning system for supply boats and production storage tanks, both of which operate with limited confined space entries.
• Gas testing is done to determine the oxygen, carbon-dioxide levels, sulphur and other chemical contents inside tanks.
• Gas expulsion is also done throughout the operation using air compressor/ blowers.
• Fluid / vacuum pumping is carried out to ensure total removal of waste without handling or exposure by personnel and physical entry into the tanks.
• Pressure washing is also done using high-pressure water jet.
• Tank wiping is carried out only if the tank is satisfied Okay for entry, this can only be allowed when personnel have the necessary Self-Contained Breathing Apparatus (SCBA).