1 EXHIBIT 23.3 CONSENT OF INDEPENDENT PETROLEUM ENGINEERS As independent petroleum engineers, we hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos. 333-14145, 333-39309 and 333-88475) of Toreador Royalty Corporation or our estimates of reserves, included in this Annual Report on Form 10-K, and to all references to our firm included in this Annual Report. /s/ LaRoche Petroleum Consultants, Ltd. - --------------------------------------- LaRoche Petroleum Consultants, Ltd. Dallas, Texas March 17, 2000