---
schema_version: "secwatch.filing_event.v1"
accession: "0001451505-25-000127"
form_type: "8-K"
ticker: "RIG"
cik: "0001451505"
company_name: "Transocean Ltd."
filed_at: "2025-11-18T23:59:59+00:00"
generated_at: "2026-05-16T18:44:54.134219+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.55
calibrated_materiality_score: 0.55
confidence: "high"
source: SEC EDGAR
---

# Transocean adds $89M backlog as Petrobras, OMV Petrom exercise rig options

## Summary
- Petrobras exercises 90-day option for Deepwater Mykonos in Brazil, adding ~$33M to backlog.
- Two-well option exercised for Transocean Enabler in Norway at dayrate of $453,000/day.
- OMV Petrom exercises one-well option for Transocean Barents in Romania at $480,000/day.
- Total firm contract backlog from fixtures estimated at approximately $89M.

## SEC filing metadata
- accession: 0001451505-25-000127
- form_type: 8-K
- ticker: RIG
- cik: 0001451505
- company_name: Transocean Ltd.
- filed_at: 2025-11-18T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.55
- calibrated_materiality_score: 0.55
- confidence: high
- sec_items: 7.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1451505/000145150525000127/0001451505-25-000127-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1451505/000145150525000127/rig-20251118x8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001451505-25-000127
- JSON: https://secwatch.observer/filing/0001451505-25-000127.json
- Plain text: https://secwatch.observer/filing/0001451505-25-000127.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.