EXHIBIT 23.3 [McDANIELS & ASSOCIATES LETTERHEAD] INDEPENDENT PETROLEUM ENGINEER'S CONSENT We hereby consent to the incorporation by reference in the Annual Report on Form 10-K of Southern Mineral Corporation, a Nevada corporation (the "Company"), of the references to this firm and to its reports listed below for the Company's estimated Canadian proved reserves contained in the Annual Report on Form 10-K for the year ended December 31, 1998. 1. Report of Canadian estimates as of December 31, 1995 2. Report of Canadian estimates as of December 31, 1996 3. Report of Canadian estimates as of December 31, 1997 McDANIELS & ASSOCIATES CONSULTANTS LTD. /s/B.H. EMSLIE B.H. Emslie, P. Eng. Vice President Calgary, Alberta Dated: March 26, 1999