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): April 21, 2004

                            BURLINGTON RESOURCES INC.
             (Exact name of registrant as specified in its charter)

         Delaware                     1-9971                   911413284
----------------------------       --------------       ------------------------
(State or other Jurisdiction        (Commission             (I.R.S. Employer
     of incorporation)              File Number)           Identification No.)

  717 Texas Avenue, Suite 2100, Houston, Texas                        77002
-------------------------------------------------                ---------------
    (Address of principal executive offices)                        (Zip Code)

               Registrant's telephone number, including area code

Item 9. Regulation FD Disclosure and Item. 12 Results of Operations and
Financial Condition.

On April 21, 2004, Burlington Resources Inc. issued a press release announcing
its earnings for the first quarter of fiscal year 2004. The information set
forth in the release under the heading "Outlook" shall be deemed furnished
pursuant to Item 9. Information set forth in the release other than that deemed
furnished pursuant to Item 9, as described above, shall be deemed furnished
pursuant to Item 12. A copy of the news release is furnished herewith as Exhibit

The information furnished under Item 9 and 12 of this Current Report on Form
8-K, including Exhibit 99.1, shall not be deemed to be "filed" for the purpose
of Section 18 of the Securities Exchange Act of 1934, as amended, and will not
be incorporated by reference into any registration statement filed under the
Securities Act of 1933, as amended, unless specifically identified therein as
being incorporated therein by reference.


                  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 hereunto duly authorized.

                                       BURLINGTON RESOURCES INC.

Date: April 22, 2004                   By:    /s/ Frederick J. Plaeger
                                          Name:   Frederick J. Plaeger
                                          Title:  Vice President and
                                                  General Counsel

                                  EXHIBIT INDEX

        EXHIBIT NO.           DESCRIPTION
        -----------           -----------

           99.1               Press Release of Burlington Resources Inc. dated
                              April 21, 2004