The reasons behind Statoil choosing to include continuous circulation in HPHT Managed Pressure Drilling operations in the Kvitebjørn Field in the North Sea are explained. The paper will also discuss the preparations for the operation and the equipment and manpower required to enable the Continuous Circulation System to be installed and operated on the platform. Results recorded by the drilling team during the drilling period are described. Reference is also made to other applications of the Continuous Circulation System.

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