Exhibit 21.1
Subsidiaries of Helix Energy Solutions Group, Inc.
As of December 31, 2011
Name of Subsidiary | Jurisdiction of Formation |
Canyon Offshore, Inc. | Texas |
Canyon Offshore Limited | Scotland |
Canyon Offshore International Corp. | Texas |
Helix Energy Solutions BV | The Netherlands |
Helix Energy Solutions (U.K.) Limited | Scotland |
Helix Well Ops (U.K.) Limited | Scotland |
Helix HR Services Limited | Scotland |
Helix Offshore Crewing Services Pte Ltd | Singapore |
Helix Well Ops Inc. | Texas |
Energy Resource Technology GOM, Inc. | Delaware |
CKB Petroleum, Inc. | Texas |
Energy Resource Technology (U.K.) Limited | Scotland |
Cal Dive I-Title XI, Inc. | Texas |
Helix Vessel Holdings LLC | Delaware |
Neptune Vessel Holdings LLC | Delaware |
Caesar Holding Co LLC | Delaware |
Vulcan Marine Technology LLC | Delaware |
Helix Offshore Ltd. | Cayman Islands |
Helix Subsea Construction, Inc. | Delaware |
Kommandor LLC (81% interest) | Delaware |
Helix Energy Services Pte Limited | Singapore |
AGR-Helix Floating Production Limited (50%) | Cayman Islands |
Helix Well Ops SEA Pty Ltd | Australia |
Helix Energy Services Pty Ltd | Australia |
Helix Ingleside LLC | Delaware |
Helix Energy Services (Cyprus) Limited | Cyprus |
Deepwater Gateway, L.L.C. (50%) | Delaware |
Helix Do Brasil Servicos De Petróleo Ltda | Brazilian Limitada |
Helix Offshore International, Inc. | Texas |
Helix RDS SDN BHD | Malaysia |
Independence Hub, LLC (20%) | Delaware |
Intercoastal Vessel Services Ltd. (49%) | Cayman Islands |
Pacific Shelf 1590 Limited | Scotland |
Clough Helix JV Pty Ltd | Australia |
ERT Camelot Limited | Scotland |
Offshore Well Services, S. de R.L. de C.V. | Mexico |
Well Ops SEA Pty Ltd. | Australia |