Exhibit 21.1
Significant Subsidiaries of Seawell as of January 14, 2011
Name of company | Jurisdiction of organization
| |
Wellco Sub Company | USA | |
Seawell Management (US) LLC | USA | |
Seawell Management AS | Norway | |
Seawell Management (Bermuda) Limited | Bermuda | |
Seawell Management Limited | United Kingdom | |
Seawell Management (Hong Kong) Limited | Hong Kong | |
Seawell Emerald Ltd | Bermuda | |
Seawell Services Ltd | Hong Kong | |
Seawell Overseas Contracting Ltd | Hong Kong | |
Seawell Oil Tools Ltd | Bermuda | |
Seawell Holding UK Ltd | United Kingdom | |
Seawell Offshore Denmark AS | Denmark | |
Seawell Ltd (UK) | United Kingdom | |
Seawell Consulting Services Ltd | United Kingdom | |
Seawell Drilling Ltd | United Kingdom | |
Seawell Americas, Inc. | USA | |
Gray Holdco, Inc. | USA | |
Gray Parent, Inc. | USA | |
Gray Wireline Services, Inc. | USA | |
Seawell do Brasil Serviços de Petróleo Ltda | Brazil | |
Rig Inspection Services Pvt. Ltd. | Singapore | |
Romeg Holdings PTY Ltd | Australia | |
Seawell Norge AS | Norway | |
Viking Intervention Technology AS | Norway | |
C6 Technologies AS | Norway | |
Seawell AS | Norway | |
Seawell Oil Tools AS | Norway | |
Peak Well Solutions AS | Norway | |
Tecwel AS | Norway | |
Tecwel Telemetri AS | Norway | |
Tecwel Inc | USA | |
Tecwel Ltd | United Kingdom |