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 Foundation Minnesota Apache Gathering Company Delaware Apache Holdings, Inc. Delaware Apache International, Inc. Delaware Apache Cote d'Ivoire, Inc. Delaware Apache Oil Australia Pty Limited New South Wales, Australia Apache Oil Azerbaijan, Inc. Delaware Apache Oil Congo, Inc. Delaware Apache Oil Java Sea, Inc. Delaware Apache Oil Sumatra, Inc. Delaware Apache Qarun Corporation LDC Cayman Islands Apache Oil Egypt, Inc. Delaware Apache Overseas, Inc. Delaware Apache China Corporation LDC Cayman Islands Apache Cote d'Ivoire Petroleum LDC Cayman Islands Apache Darag Corporation LDC Cayman Islands Apache Faiyum Corporation LDC Cayman Islands MW Petroleum Corporation Colorado MWJR Petroleum Corporation 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 Apache Bentu Limited Oklahoma Hadson Bunyu Limited Oklahoma Apache Energy Limited Western Australia Apache Northwest Pty Ltd. Western Australia Petro Energy Limited New South Wales, Australia Apache Beagle Pty Ltd. Western Australia Apache Carnarvon Pty Ltd. Western Australia Apache Dampier Pty Ltd. Western Australia Apache (WA 225) Pty Ltd. Western Australia Mid Equipment, Incorporated Delaware DEK Energy Company Delaware DEK Energy Texas, Inc. Delaware DEK Equipment Leasing Corporation #2 Delaware DEK Exploration Inc. Delaware DEK Gas Marketing, Inc. Delaware DEK International Sales Corporation Delaware DEK Petroleum Corporation Illinois Apache Canada Ltd. Alberta, Canada DEPCO, Inc. Texas Heinold Holdings, Inc. Delaware Kishwaukee Development Corporation Illinois Western Cattle Systems, Inc. Delaware