v/H. Larsson-Fedde.
6/1986: K/S Ross Rig A/S( A/S Rosshavet) Sandefjord - ROSS RIG
2/1991: K/S Ross Rig A/S( Ross Offshore A/S) Sandefjord - ROSS RIG
5/1993: Ross Offshore A/S, Oslo, Sandefjord - ROSS RIG
6/1994: Transocean A/S, Tananger, Sandefjord - ROSS RIG
4/1996: omdøpt - TRANSOCEAN ARCTIC
1/2002: Transocean A/S, Majuro, Marshall Island - TRANSOCEAN ARCTIC
videre skjebne ukjent/Further information unknown