FORM 6-K SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 REPORT OF A FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES ACT OF 1934 For the month of May 2003 Canadian Superior Energy Inc. ----------------------------------------------- (Translation of registrant's name into English) Suite 3300, 400 Third Avenue SW, Calgary, Alberta, Canada T2P 4H2 ----------------------------------------------------------------- (Translation of principal executive offices) [Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F] Form 20-F Form 40-F /X/ ---------- ---------- [Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934. Yes No /X/ ---------- ---------- [If "Yes" is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82-______________] SIGNATURES 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. Canadian Superior Energy Inc. By: /s/ Robert Pilling ----------------------------- Date: September 3, 2003 Name: Robert Pilling Title: Vice-President Exhibit Index The following is a list of Exhibits included as part of this Report on Form 6-K. Description of Exhibit Page ---------------------- ---- 2003 First Quarter Report Three Months Ended March 31, 2003 4