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

· Nixon Product Storage, 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.