Exhibit 23.3 CONSENT OF INDEPENDENT PETROLEUM ENGINEERS We do hereby consent to the use of our name in "Item 2. Properties" of the Annual Report on Form 10-K of Stone Energy Corporation (the "Company") for the year ended December 31, 1999 (the "Form 10-K"), the incorporation by reference of the Form 10-K into the Company's Registration Statement on Form S-8 (Registration No. 33-67332), and the incorporation by reference of the Form 10-K into the Company's Registration Statement on Form S-3 (Registration No. 33-72236). Cawley, Gillespie & Associates, Inc. By: /s/ Aaron Cawley ------------------------- Aaron Cawley, P.E. Executive Vice President Fort Worth, Texas March 15, 2000