EX-21 4 exh21_1.htm EXHIBIT 21.1 SUBSIDIARIES OF OCEAN ENERGY, INC. Exhibit 21.1

Exhibit 21.1

Ocean Energy, Inc.

The following is a listing of significant subsidiaries as of March 9, 2002:

Jurisdiction of Incorporation
Name of Subsidiary or Organization

Big Sky Gas Marketing Corporation   Delaware  
Havre Pipeline Co. L.L.C  Texas 
Ocean Angola Corporation  Delaware 
Ocean Côte d’Ivoire, Ltd.  Cayman Islands 
Ocean Energy, Inc.  Louisiana 
Ocean Energy Limitada  Brazil 
Ocean Equatorial Guinea Corporation  Delaware 
Ocean International, Ltd.  Delaware 
Ocean International Holdings, Ltd.  Cayman Islands 
Ocean East Zeit Petroleum, Ltd.  Cayman Islands 
Ocean (Egypt), Ltd.  Cayman Islands 
Ocean (Egypt) East Beni Suef, Ltd.  Cayman Islands 
Ocean Field Services Company  Texas 
Ocean SW Gebel El Zeit, Ltd.  Cayman Islands 
Ocean WAG Petroleum, Ltd.  Cayman Islands 
Seagull Marketing Services Inc.  Texas 
Seagull Pipeline & Marketing Inc.  Delaware 
Seagull Series 1995 L.L.C.  Delaware 
Seagull Series 1995 Trust  Delaware 
Texneft Inc.  Texas