OREANDA-NEWS. Fitch Ratings has affirmed Transocean Inc.'s (Transocean; NYSE: RIG) Long-Term Issuer Default Rating (IDR) at 'B+'. In addition, Fitch expects to rate the company's senior unsecured guaranteed notes 'BB'/'RR2' and has downgraded the senior unsecured notes to 'B'/'RR5' from 'B+'/'RR4'. The Rating Outlook remains Negative.