Transocean Ltd’s Deepwater Thalassa Starts Mexico Trion Job as Valaris Deal Looms
MEXICO CITY, March 9, 2026, 13:29 CST. Woodside Energy kicked off its Trion drilling campaign in the Gulf of Mexico on Monday, tapping Transocean's Deepwater Thalassa for the job and marking a key move onto a large Mexican offshore project. Back in an April 2025 fleet report, Transocean had listed this contract as running from March 2026 through March 2029 with the rig set at a $480,000 daily fee.