Exhibit 21 ---------- Titan Exploration, Inc. Subsidiaries Name State of Organization Ownership ---- --------------------- --------- Titan Resources Holdings, inc. Nevada corporation 100% Titan Resources, L.P. Texas limited partnership 100% Titan Resources I, Inc. Delaware corporation 100% Titan Offshore, Inc. Delaware corporation 100% OEDC, Inc. Delaware corporation 100% OEDC Exploration & Production, L.P. Texas limited partnership 100% Carrollton Resources, L.L.C. Louisiana limited liability company 100% South Dauphin Partners II Limited Texas limited partnership 15%