ソース:[1] Transocean Ltd. Announces $243 Million in Exercised Options for Ultra-Deepwater Drillships (https://finance.yahoo.com/news/transocean-ltd ...)[2] Transocean secures $243 million in contract extensions for deepwater rigs (https://vertexaisearch.cloud.google.com/groun ...)[3] TRANSOCEAN LTD_October 1, 2025 - SEC.gov (https://vertexaisearch.cloud.google.com/groun ...)