Exhibit 21.1
SUBSIDIARIES OF SEADRILL LIMITED
The table below lists the Company’s subsidiaries as of December 31, 2022:
Name of company | Country of Incorporation | |
Asia Offshore Drilling Limited | Bermuda | |
Eastern Drilling AS | Norway | |
North Atlantic Alpha Ltd. | Bermuda | |
North Atlantic Elara Ltd. | Bermuda | |
North Atlantic Epsilon Ltd. | Bermuda | |
North Atlantic Linus Charterer Ltd. | Bermuda | |
North Atlantic Management LLC | Russian Federation | |
North Atlantic Navigator Ltd. | Bermuda | |
North Atlantic Phoenix Ltd. | Bermuda | |
North Atlantic Venture Ltd. | Bermuda | |
Odfjell Drilling Services Company, Limited | Saudi Arabia | |
Scorpion Courageous Ltd. | Bermuda | |
Scorpion Deepwater B.V. | Netherlands | |
Scorpion Deepwater Ltd. | Bermuda | |
Scorpion Drilling Ltd. | Bermuda | |
Scorpion Freedom Ltd. | Bermuda | |
Scorpion International Ltd. | Bermuda | |
Scorpion Nederlandse B.V. | Netherlands | |
Scorpion Offshore, Inc. | United States | |
Scorpion Resolute Ltd. | Bermuda | |
Scorpion Rigs Ltd. | Bermuda | |
Scorpion Serviços Offshore Ltda. | Brazil | |
Scorpion USA Expats, Inc. | United States | |
Scorpion Vigilant Ltd. | Bermuda | |
SDS Drilling Ltd. | Bermuda | |
Seabras Holdings GmbH | Austria | |
Seabras Rig Holding GmbH | Austria | |
Sea Dragon de Mexico, S. de R.L. de C.V. | Mexico | |
Seadrill Abu Dhabi Operations Limited | Bermuda | |
Seadrill AMA Operations Ltd. | Bermuda | |
Seadrill Americas, Inc. | United States | |
Seadrill Angola Ltda. | Angola | |
Seadrill Aquila Ltd. | Bermuda | |
Seadrill Australia Pte. Ltd. | Singapore | |
Seadrill Brunei Ltd. | Bermuda | |
Seadrill Carina Ltd. | Bermuda | |
Seadrill Castor Ltd. | Bermuda |
Seadrill Castor Pte. Ltd. | Singapore | |
Seadrill Common Holdings Ltd. | Bermuda | |
Seadrill Deepwater Charterer Ltd. | Bermuda | |
Seadrill Deepwater Contracting Ltd. | Bermuda | |
Seadrill Deepwater Crewing Ltd. | Bermuda | |
Seadrill Deepwater Holdings Ltd. | Bermuda | |
Seadrill Deepwater Units Pte. Ltd. | Singapore | |
Seadrill Dione Ltd. | Bermuda | |
Seadrill Eclipse Ltd. | Bermuda | |
Seadrill Eminence Ltd. | Bermuda | |
Seadrill Equatorial Guinea Ltd. | Bermuda | |
Seadrill Europe Management AS | Norway | |
Seadrill Far East Limited | Hong Kong | |
Seadrill Finance Limited | Bermuda | |
Seadrill Freedom Ltd | Bermuda | |
Seadrill Gemini Ltd. | Bermuda | |
Seadrill Global Services Ltd. | Bermuda | |
Seadrill Gulf Operations Neptune LLC | United States | |
Seadrill Holdings Singapore Pte. Ltd. | Singapore | |
Seadrill Hyperion Ltd. | Bermuda | |
Seadrill Insurance Ltd. | Bermuda | |
Seadrill International Resourcing DMCC | United Arab Emirates | |
Seadrill Investment Holding Company Limited | Bermuda | |
Seadrill Jack Up Holding Ltd. | Bermuda | |
Seadrill Jack Up I B.V. | Netherlands | |
Seadrill Jack Up II B.V. | Netherlands | |
Seadrill Jack-Ups Contracting Ltd. | Bermuda | |
Seadrill Jack-Ups Nigeria Limited | Nigeria | |
Seadrill Jupiter Ltd. | Bermuda | |
Seadrill JV Ghana Limited | Ghana | |
Seadrill Labuan Ltd | Malaysia | |
Seadrill Management (S) Pte. Ltd. | Singapore | |
Seadrill Management AME Ltd. | Bermuda | |
Seadrill Management Ltd. | United Kingdom | |
Seadrill Merger Sub, LLC | Marshall Islands | |
Seadrill Mimas Ltd. | Bermuda | |
Seadrill Mira Hungary Kft. | Hungary | |
Seadrill Mira Ltd. | Bermuda | |
Seadrill Neptune Hungary Kft. | Hungary | |
Seadrill Newfoundland Operations Ltd. | Canada | |
Seadrill Nigeria Deepwater Contracting Limited | Nigeria |
Seadrill Nigeria Operations Limited | Nigeria | |
Seadrill North Atlantic Holdings Limited | Bermuda | |
Seadrill North Sea Crewing Ltd. | Bermuda | |
Seadrill Northern Operations Ltd. | Bermuda | |
Seadrill Norway Crew AS | Norway | |
Seadrill Norway Operations Ltd. | Bermuda | |
Seadrill Offshore AS | Norway | |
Seadrill Offshore Malaysia Sdn. Bhd. | Malaysia | |
Seadrill Offshore Nigeria Limited | Nigeria | |
Seadrill Offshore Singapore Pte. Ltd. | Singapore | |
Seadrill Operations de Mexico S. de R.L. de C.V. | Mexico | |
Seadrill Orion Ltd. | Bermuda | |
Seadrill Pegasus (S) Pte. Ltd. | Singapore | |
Seadrill Prospero Ltd. | Bermuda | |
Seadrill Proteus Ltd. | Bermuda | |
Seadrill Rhea Ltd. | Bermuda | |
Seadrill Rig Holding Company Limited | Bermuda | |
Seadrill Saturn Ltd. | Bermuda | |
Seadrill Saudi I B.V. | Netherlands | |
Seadrill Saudi II B.V. | Netherlands | |
Seadrill Saudi Limited Company | Saudi Arabia | |
Seadrill Serviços de Petróleo Ltda. | Brazil | |
Seadrill Sevan Holdings Limited | Bermuda | |
Seadrill Telesto Ltd. | Bermuda | |
Seadrill Tellus Ltd. | Bermuda | |
Seadrill Tethys Ltd. | Bermuda | |
Seadrill Titan Ltd. | Bermuda | |
Seadrill Titania S.à.r.I. | Luxembourg | |
Seadrill Treasury UK Limited | United Kingdom | |
Seadrill Triton Ltd. | Bermuda | |
Seadrill Tucana Ltd. | Bermuda | |
Seadrill UK Ltd. | United Kingdom | |
Seadrill UK Operations Ltd | United Kingdom | |
Seadrill UK Support Services Ltd | United Kingdom | |
Seadrill Umbriel Ltd. | Bermuda | |
Sevan Brasil Ltd. | Bermuda | |
Sevan Developer Ltd. | Bermuda | |
Sevan Driller Ltd. | Bermuda | |
Sevan Drilling Limited | United Kingdom | |
Sevan Drilling North America LLC | United States | |
Sevan Drilling Pte. Ltd. | Singapore |
Sevan Drilling Rig II AS | Norway | |
Sevan Drilling Rig II Pte. Ltd. | Singapore | |
Sevan Drilling Rig IX Pte. Ltd. | Singapore | |
Sevan Drilling Rig V Pte. Ltd. | Singapore | |
Sevan Drilling Rig VI AS | Norway | |
Sevan Drilling Rig VI Pte. Ltd. | Singapore | |
Sevan Investimentos do Brasil Ltda. | Brazil | |
Sevan Louisiana Hungary Kft. | Hungary | |
Sevan Marine Serviços de Perfuração Ltda. | Brazil | |
SOAS Serviços de Petróleo Ltda. | Brazil |
Pursuant to Item 601(b)(21) of Regulation S-K, the Company may omit the names of subsidiaries, which considered in the aggregate as a single subsidiary, would not constitute a “significant subsidiary” (as defined under Rule 1-02(w) of Regulation S-X) as of December 31, 2022.