EXHIBIT 15.1 May 11, 2001 Stone Energy Corporation Post Office Box 52807 Lafayette, LA 70505 Gentlemen: We are aware that Stone Energy Corporation has incorporated by reference in its registration statements on Forms S-8 (Registration Nos. 33-67332 and 333-51968) and S-3 (Registration No. 333-79733) its Form 10-Q for the quarter ended March 31, 2001, which includes our report dated April 28, 2001, covering the unaudited interim financial information contained therein. Pursuant to Regulation C of the Securities Act of 1933 (the Act), this report is not considered a "part" of the registration statements prepared or certified by our firm or a "report" prepared or certified by our firm within the meaning of Sections 7 and 11 of the Act. Very truly yours, /s/ Arthur Andersen LLP - ----------------------------------- ARTHUR ANDERSEN LLP