1 Exhibit 21.1 APACHE CORPORATION LISTING OF SUBSIDIARIES EXACT NAME OF SUBSIDIARY JURISDICTION OF AND NAME UNDER WHICH INCORPORATION OR SUBSIDIARY DOES BUSINESS ORGANIZATION - -------------------------------------------------------- ---------------- Apache China Corporation LDC Cayman Islands Apache Foundation Minnesota Apache Gathering Company Delaware Apache International Finance N.V. Netherland Antilles Apache International, Inc. Delaware Apache Cote d'Ivoire, Inc. Delaware Apache France Investment Management, Inc. Delaware Apache Oil Angola, Inc. Delaware Apache Oil Australia PTY Limited New South Wales, Australia Apache Oil Azerbaijan, Inc. Delaware Apache Oil Congo, Inc. Delaware Apache Oil Egypt, Inc. Delaware Apache Oil France, Inc. Delaware Apache Oil Gabon, Inc. Delaware Apache Oil Java Sea, Inc. Delaware Apache Oil Myanmar, Inc. Delaware Apache Oil Sumatra, Inc. Delaware Societe Petroliere Apache France S.N.C. France MW Petroleum Corporation Colorado MWJR Petroleum Corporation Delaware Ucross Land Company Delaware Nagasco, Inc. Delaware Apache NGC, Inc. Delaware Apache Marketing, Inc. Delaware Apache Transmission Corporation - Texas Texas Apache Crude Oil Marketing, Inc. Delaware Nagasco Marketing, Inc. Delaware Apache Corporation (New Jersey) New Jersey Apache-Beals Corporation New York Apache Oil Corporation Texas Burns Manufacturing Company Minnesota Hadson Energy Resources Corporation Delaware Hadson Bentu Limited Oklahoma Hadson Bunyu Limited Oklahoma Hadson Energy Limited Western Australia Hadson Australia Development Pty Ltd. Western Australia Petro Energy Limited New South Wales, Australia Hadson Beagle Pty Ltd. Western Australia Hadson Carnarvon Pty Ltd. Western Australia Hadson Dampier Pty Ltd. Western Australia Hadson Pacific Pty Ltd. Western Australia Hadson Timor Sea Pty Ltd. Western Australia Hadson WA-225 Pty Ltd. Western Australia Mid Equipment, Incorporated Delaware