EXHIBIT 23.2 CONSENT We hereby consent to the incorporation by reference into Syntroleum Corporation's previously filed Registration Statements on Form S-8 (File Nos. 333-33345 and 333-64231) and on Form S-3 (Registration No. 333-32968) of the reference to us and to the resource study dated September 17, 1997 prepared by us included in Syntroleum Corporation's Annual Report on Form 10-K for the fiscal year ended December 31, 1999. Petroconsultants, Inc. By: /s/ Mark Rose --------------------- V.P.--IHS Energy reference S-43, 44 April 24, 2000