1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 22, 2001 BURLINGTON RESOURCES INC. - -------------------------------------------------------------------------------- (Exact name of registrant as specified in its charter) Delaware 1-9971 91-1413284 - ---------------------------- -------------- --------------------- (State or other Jurisdiction (Commission (I.R.S. Employer of incorporation) File Number) Identification No.) 5051 Westheimer, Houston, Texas 77056-2124 - ------------------------------------------- ---------- (Address of principal executive offices) (Zip Code) Registrant's telephone number, including area code: 713-624-9500 ------------ 2 Item 7. Financial Statements and Exhibits EXHIBIT NO. DESCRIPTION ----------- ----------- 4.1 Form of Senior Debt Security Due 2011 of Burlington Resources Finance Company with Form of Guarantee of Burlington Resources Inc. 4.2 Form of Senior Debt Security Due 2031 of Burlington Resources Finance Company with Form of Guarantee of Burlington Resources Inc. 5.1 Opinion of Cahill Gordon & Reindel. 5.2 Opinion of Stewart McKelvey Stirling Scales. 8.1 Opinion of White & Case LLP as to certain United States federal income tax matters. 8.2 Opinion of Bennett Jones LLP as to certain Canadian federal income tax matters. 3 SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. BURLINGTON RESOURCES INC. Date: August 22, 2001 By: /s/ Daniel D. Hawk --------------------------------------- Name: Daniel D. Hawk Title: Vice President and Treasurer 4 EXHIBIT INDEX EXHIBIT NO. DESCRIPTION ----------- ----------- 4.1 Form of Senior Debt Security Due 2011 of Burlington Resources Finance Company with Form of Guarantee of Burlington Resources Inc. 4.2 Form of Senior Debt Security Due 2031 of Burlington Resources Finance Company with Form of Guarantee of Burlington Resources Inc. 5.1 Opinion of Cahill Gordon & Reindel. 5.2 Opinion of Stewart McKelvey Stirling Scales. 8.1 Opinion of White & Case LLP as to certain United States federal income tax matters. 8.2 Opinion of Bennett Jones LLP as to certain Canadian federal income tax matters.