Offshore hammermill process meets OSPAR discharge limit

A version of the Rotomill hammermill base cutting cleaning unit, specifically designed for offshore operations, has been successfully utilized to clean non-aqueous-based cuttings to levels permitted for discharge under the OSPAR Convention, which regulates discharges to the European marine environment.1North Sea regulatory driver The concern for discharging drill cuttings with associated hydrocarbons from diesel and mineral oil non-aqueous-based drilling fluids (NABF) began in the late 1980s. The Paris Commission (PARCOM) Decision 92/2 took steps to reduce the discharge of oil-based drilling fluids to the marine environment. The phased approach ended with the elimination of NADF cuttings...

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