The 1993-built harsh-environment unit has been working for Statoil off Norway under a six-year contract due to expire in December at a dayrate of $247,000.
Oslo-listed NADL, the harsh-environment rig subsidiary of Seadrill, said the early cancellation will be effective on the rig completing its current activities in mid-October.
The rig is carrying out permanent well plugging work at the abandoned Huldra field, having previously worked at the Sleipner and Gudrun fields.
The
