Exhibit 23.1 (UHY MANN FRANKFORT STEIN & LIPP LOGO) Certified Public Accountants A Limited Liability Partnership 12 Greenway Plaza, Suite 1202 Houston, Texas 77046 Phone 713-561-6500 Fax 713-968-7128 Web www.uhy-us.com Consent of UHY Mann Frankfort Stein & Lipp CPAs, LLP We hereby consent to the incorporation by reference in this Registration Statement (Form S-3) of Blue Dolphin Energy Company and in the related Prospectus of our report dated March 24, 2006, with respect to the consolidated balance sheet as of December 31, 2005, and the related consolidated statements of operations, stockholders' equity and cash flows for each of the years in the two-year period ended December 31, 2005. UHY Mann Frankfort Stein & Lipp CPAs, LLP Houston, Texas MAY 15, 2006