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                                  UNITED STATES
                       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) MARCH 1, 2004


                        COMMISSION FILE NUMBER: 000-33439

                       ENDEAVOUR INTERNATIONAL CORPORATION
             (Exact name of registrant as specified in its charter)



                    Nevada                               88-044839
                    ------                               ---------
       (State or other jurisdiction of                (I.R.S. Employer
        incorporation or organization)               Identification No.)



                  1001 FANNIN, SUITE 1700, HOUSTON, TEXAS 77002
               (Address of principal executive offices) (Zip code)


                                 (713) 307-8700
              (Registrant's telephone number, including area code)



                      Continental Southern Resources, Inc.
         (Former name, former address and former fiscal year, if changed
                               since last report)

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                       ENDEAVOUR INTERNATIONAL CORPORATION

ITEM 5.  OTHER EVENTS AND REGULATION FD DISCLOSURE.

         Effective February 27, 2004, Continental Southern Resources, Inc. has
changed its name to Endeavour International Corporation ("Endeavour" or the
"Company"). Endeavour is a Nevada corporation with principal executive offices
located at 1001 Fannin, Suite 1700, Houston, Texas 77002. In connection with the
name change, Endeavour also changed its trading symbol form "CSOR" to "EVOR" and
will begin trading under the new symbol on the OTC Bulletin Board effective
today.

         The corporate name change was effected through a short form merger
involving a newly created Nevada subsidiary of the Company.

ITEM 7.  FINANCIAL STATEMENTS AND EXHIBITS.

Attached hereto as Exhibit 99, which is incorporated herein by reference, is a
copy of the Company's press release dated March 1, 2004.

       Exhibit No.     Description of Exhibit
       -----------     ----------------------

         10.1          Plan and Agreement of Merger dated February 27, 2004,
                       between Continental Southern Resources, Inc.
                       (n/k/a Endeavour International Corporation) and its
                       wholly-owned subsidiary Endeavour International
                       Corporation.

         99            Press Release dated March 1, 2004.


                                   SIGNATURES

Pursuant to the requirements of the Securities and Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.

ENDEAVOUR INTERNATIONAL CORPORATION

By:

/s/ William L. Transier
William L. Transier
Co-Chief Executive Officer

Date:  March 1, 2004