Compare operators by official disclosed fleet, owned/operated relationships, production-backed assets, verified commercial states, assignment coverage, availability, regional footprint and customer disclosure.
Production-backed assets are the actual listed asset universe. Official disclosed fleet, owned fleet, operated fleet, managed fleet and marketed fleet are separate relationship metrics and are not used interchangeably.
Seadrill official source exposes Sonadrill rows as a separately owned/operated fleet segment monitored through the Seadrill source.
Freshness Jul 2026 · Commercial state verification excludes unknown state, undisclosed customer and unverified region placeholders.
| Measure | Sonadrill |
|---|---|
| Production-backed assets | 2 assets |
| Commercial state verified | 1 assets |
| Current assignments covered | 2 assets |
| Future schedules covered | 0 assets |
| Working | 1 assets |
| Known customers | 1 customers |
| Known regions | 1 regions |
| Coverage completeness | 50% |
| Operator | Official disclosed fleet | Owned fleet | Operated/managed fleet | Production-backed assets | Commercial state verified | Unverified commercial-state assets | Working | Mobilizing | Idle | Stacked | Marketed | Held for sale | Known customers | Undisclosed customer assets | Known regions | Assets without verified region | Current assignments covered | Future schedules covered | Relationship note | Freshness |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Valaris | 46 | 46 | 46/0 | 46 | 30 | 16 | 30 | 0 | 0 | 0 | 0 | 0 | 14 | 16 | 14 | 12 | 32 | 9 | Official and production-backed counts reconcile for the current relationship universe. | Jul 2026 |
| Shelf Drilling | 33 | 33 | 33/0 | 33 | 9 | 24 | 9 | 0 | 0 | 0 | 0 | 1 | 7 | 24 | 6 | 22 | 11 | 0 | Official and production-backed counts reconcile for the current relationship universe. | Jul 2026 |
| Borr Drilling | 29 | 29 | 29/0 | 29 | 20 | 9 | 20 | 0 | 0 | 0 | 0 | 0 | 18 | 9 | 16 | 6 | 20 | 2 | Official and production-backed counts reconcile for the current relationship universe. | Jul 2026 |
| Noble | 29 | 29 | 29/0 | 29 | 23 | 6 | 21 | 0 | 1 | 0 | 1 | 1 | 14 | 6 | 13 | 0 | 21 | 10 | Official and production-backed counts reconcile for the current relationship universe. | Jul 2026 |
| Transocean | 27 | 27 | 27/0 | 27 | 15 | 12 | 15 | 0 | 5 | 0 | 0 | 0 | 9 | 12 | 8 | 3 | 18 | 14 | Official and production-backed counts reconcile for the current relationship universe. | Aug 2026 |
| Seadrill | 15 | 15 | 15/0 | 15 | 9 | 6 | 9 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | 4 | 6 | 8 | 0 | Official and production-backed counts reconcile for the current relationship universe. | Jul 2026 |
| ARO Drilling | 9 | 9 | 9/0 | 9 | 4 | 5 | 4 | 0 | 0 | 0 | 0 | 0 | 1 | 5 | 1 | 5 | 4 | 0 | Valaris official source exposes ARO rows as a separately owned/operated fleet segment monitored through the Valaris source. | Jul 2026 |
| Odfjell Drilling | 8 | 8 | 8/0 | 8 | 7 | 1 | 6 | 1 | 0 | 0 | 0 | 0 | 6 | 1 | 3 | 0 | 6 | 4 | The monitored official Odfjell fleet page currently yields eight production-backed rig cards. The prior nine-count operator display was a join-multiplication metric defect, not an additional production asset. | Jul 2026 |
| Stena Drilling | 6 | 6 | 6/0 | 6 | 1 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 3 | 3 | 4 | 5 | Official and production-backed counts reconcile for the current relationship universe. | Jul 2026 |
| Dolphin Drilling | 6 | 3 | 3/0 | 3 | 2 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 2 | 1 | 2 | 2 | The official Dolphin fleet page discloses six fleet/market category entries; three current physical rigs are production-backed. The additional official entries are source-only market/fleet categories and are not promoted to current production assets without physical-rig evidence. | Jul 2026 |
| Sonadrill | 2 | 2 | 2/0 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 2 | 0 | Seadrill official source exposes Sonadrill rows as a separately owned/operated fleet segment monitored through the Seadrill source. | Jul 2026 |