Exhibit 21.1
Subsidiaries of Helix Energy Solutions Group, Inc.
As of December 31, 2006
As of December 31, 2006
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 | |
Well Ops (U.K.) Limited | Scotland | |
Helix HR Services Limited | Scotland | |
Well Ops PTE Limited | Singapore | |
Helix Energy Limited | Scotland | |
Helix RDS Limited | Scotland | |
Helix RDS Pty Limited | Australia | |
Well Ops, Inc. | Texas | |
Energy Resource Technology GOM, Inc. | Delaware | |
CKB Petroleum, Inc. | Texas | |
CKB & Associates, Inc. | Texas | |
Box Brothers Realty Investments Company | Texas | |
CB Farms, Inc. | Texas | |
Box Resources, 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 | |
Vulcan Marine Holdings LLC | Delaware | |
Vulcan Marine Technology LLC | Delaware | |
Cal Dive Offshore Ltd. | Cayman | |
Helix Oil & Gas, Inc. | Delaware | |
Kommandor LLC (50% interest) | Delaware | |
Cal Dive International, Inc. (58.5% interest) | Delaware | |
Helix Energy Services Pte. Limited. | Singapore | |
Well Ops SEA Pty Ltd (d/b/a Seatrac) | Australia | |
Helix Energy Services Pty Ltd | Australia | |
Helix Ingleside LLC | Delaware | |
Helix Energy Services (Cyprus) Limited | Cyprus |