Ensco 92 Drilling Rig Vaccum Transfer Location: Verolme Shipyard (Netherlands) Operator: ENSCO Removal of approximately 92 tons of sludge from a drains tank using vacuum transfer technology, whilst the rig was moored in the Verolme shipyard. Sureclean Scope Provide manpower and equipment for the removal and disposal of 92 tonnes of oily sludge from the No9 tank onboard the Ensco 92 by means of vacuum transfer application. Technical Challenge Tank was located at the bottom of the hull and was designed with a double bottom comprising of eight compartments, dimensions of which were approximately one metre in height and 20 metres in length. Restrictions / Considerations Key Facts Additional Information The normal hazards associated with such a project was hightened by complexity of the tank l

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