1 EXHIBIT 21.1 BURLINGTON RESOURCES INC. SUBSIDIARIES OF THE REGISTRANT The following is a list of the significant subsidiaries of Burlington Resources Inc. showing the place of incorporation and the percentage of voting securities owned. PERCENTAGE OF VOTING SECURITIES OWNED DIRECTLY OR JURISDICTION OF INDIRECTLY BY NAME OF COMPANY INCORPORATION IMMEDIATE PARENT --------------- --------------- ---------------- Burlington Resources Hydrocarbons Inc. ..................... Delaware 100% Burlington Resources Oil & Gas Company...................... Delaware 100% Burlington Resources Trading Inc. .......................... Delaware 100% Glacier Park Company........................................ Delaware 100% The Louisiana Land and Exploration Company.................. Maryland 100% The names of certain subsidiaries are omitted as such subsidiaries, considered as a single subsidiary, would not constitute a significant subsidiary.