Exhibit 21.1

List of subsidiaries of Blue Dolphin Energy Company (“Blue Dolphin”):

●   Lazarus Energy, LLC, a Delaware limited liability company;

●   Lazarus Refining & Marketing, LLC, a Delaware limited liability company

●   Blue Dolphin Pipe Line Company, a Delaware corporation;

●   Blue Dolphin Petroleum Company, a Delaware corporation;

●   Blue Dolphin Services Co., a Texas corporation;

●   Blue Dolphin Exploration Company, a Delaware corporation; and

●   Petroport, Inc., a Delaware corporation.